PDB Short entry for 2BLZ
HEADER    HYDROLASE                               08-MAR-05   2BLZ              
TITLE     RNASE AFTER A HIGH DOSE X-RAY "BURN"                                  
COMPND    MOL_ID: 1;                                                            
COMPND   2 MOLECULE: RIBONUCLEASE PANCREATIC;                                   
COMPND   3 CHAIN: A;                                                            
COMPND   4 SYNONYM: RNASE 1, RNASE A;                                           
COMPND   5 EC: 3.1.27.5                                                         
SOURCE    MOL_ID: 1;                                                            
SOURCE   2 ORGANISM_SCIENTIFIC: BOS TAURUS;                                     
SOURCE   3 ORGANISM_COMMON: BOVINE;                                             
SOURCE   4 ORGANISM_TAXID: 9913;                                                
SOURCE   5 ORGAN: PANCREAS                                                      
KEYWDS    RADIATION DAMAGE, SYNCHROTRON, PHASING, RIP, HYDROLASE,               
KEYWDS   2 ENDONUCLEASE, GLYCOPROTEIN, NUCLEASE                                 
EXPDTA    X-RAY DIFFRACTION                                                     
AUTHOR    M.H.NANAO,R.B.RAVELLI                                                 
REVDAT   2   24-FEB-09 2BLZ    1       VERSN                                    
REVDAT   1   07-SEP-05 2BLZ    0                                                
JRNL        AUTH   M.H.NANAO,G.M.SHELDRICK,R.B.RAVELLI                          
JRNL        TITL   IMPROVING RADIATION-DAMAGE SUBSTRUCTURES FOR RIP.            
JRNL        REF    ACTA CRYSTALLOGR.,SECT.D      V.  61  1227 2005              
JRNL        REFN                   ISSN 0907-4449                               
JRNL        PMID   16131756                                                     
JRNL        DOI    10.1107/S0907444905019360                                    
REMARK   2                                                                      
REMARK   2 RESOLUTION.    1.4  ANGSTROMS.                                       
REMARK   3                                                                      
REMARK   3 REFINEMENT.                                                          
REMARK   3   PROGRAM     : REFMAC 5.2.0005                                      
REMARK   3   AUTHORS     : MURSHUDOV,VAGIN,DODSON                               
REMARK   3                                                                      
REMARK   3    REFINEMENT TARGET : MAXIMUM LIKELIHOOD                            
REMARK   3                                                                      
REMARK   3  DATA USED IN REFINEMENT.                                            
REMARK   3   RESOLUTION RANGE HIGH (ANGSTROMS) : 1.40                           
REMARK   3   RESOLUTION RANGE LOW  (ANGSTROMS) : 45.00                          
REMARK   3   DATA CUTOFF            (SIGMA(F)) : NULL                           
REMARK   3   COMPLETENESS FOR RANGE        (%) : 99.2                           
REMARK   3   NUMBER OF REFLECTIONS             : 28376                          
REMARK   3                                                                      
REMARK   3  FIT TO DATA USED IN REFINEMENT.                                     
REMARK   3   CROSS-VALIDATION METHOD          : THROUGHOUT                      
REMARK   3   FREE R VALUE TEST SET SELECTION  : RANDOM                          
REMARK   3   R VALUE     (WORKING + TEST SET) : 0.151                           
REMARK   3   R VALUE            (WORKING SET) : 0.149                           
REMARK   3   FREE R VALUE                     : 0.181                           
REMARK   3   FREE R VALUE TEST SET SIZE   (%) : 5.100                           
REMARK   3   FREE R VALUE TEST SET COUNT      : 1511                            
REMARK   3                                                                      
REMARK   3  FIT IN THE HIGHEST RESOLUTION BIN.                                  
REMARK   3   TOTAL NUMBER OF BINS USED           : 10                           
REMARK   3   BIN RESOLUTION RANGE HIGH       (A) : 1.40                         
REMARK   3   BIN RESOLUTION RANGE LOW        (A) : 1.48                         
REMARK   3   REFLECTION IN BIN     (WORKING SET) : 4030                         
REMARK   3   BIN COMPLETENESS (WORKING+TEST) (%) : NULL                         
REMARK   3   BIN R VALUE           (WORKING SET) : 0.2120                       
REMARK   3   BIN FREE R VALUE SET COUNT          : 211                          
REMARK   3   BIN FREE R VALUE                    : 0.2670                       
REMARK   3                                                                      
REMARK   3  NUMBER OF NON-HYDROGEN ATOMS USED IN REFINEMENT.                    
REMARK   3   PROTEIN ATOMS            : 954                                     
REMARK   3   NUCLEIC ACID ATOMS       : 0                                       
REMARK   3   HETEROGEN ATOMS          : 1                                       
REMARK   3   SOLVENT ATOMS            : 143                                     
REMARK   3                                                                      
REMARK   3  B VALUES.                                                           
REMARK   3   FROM WILSON PLOT           (A**2) : NULL                           
REMARK   3   MEAN B VALUE      (OVERALL, A**2) : 10.71                          
REMARK   3   OVERALL ANISOTROPIC B VALUE.                                       
REMARK   3    B11 (A**2) : -0.11000                                             
REMARK   3    B22 (A**2) : -0.11000                                             
REMARK   3    B33 (A**2) : 0.17000                                              
REMARK   3    B12 (A**2) : -0.06000                                             
REMARK   3    B13 (A**2) : 0.00000                                              
REMARK   3    B23 (A**2) : 0.00000                                              
REMARK   3                                                                      
REMARK   3  ESTIMATED OVERALL COORDINATE ERROR.                                 
REMARK   3   ESU BASED ON R VALUE                            (A): 0.052         
REMARK   3   ESU BASED ON FREE R VALUE                       (A): 0.051         
REMARK   3   ESU BASED ON MAXIMUM LIKELIHOOD                 (A): 0.030         
REMARK   3   ESU FOR B VALUES BASED ON MAXIMUM LIKELIHOOD (A**2): 1.671         
REMARK   3                                                                      
REMARK   3 CORRELATION COEFFICIENTS.                                            
REMARK   3   CORRELATION COEFFICIENT FO-FC      : 0.966                         
REMARK   3   CORRELATION COEFFICIENT FO-FC FREE : 0.955                         
REMARK   3                                                                      
REMARK   3  RMS DEVIATIONS FROM IDEAL VALUES        COUNT    RMS    WEIGHT      
REMARK   3   BOND LENGTHS REFINED ATOMS        (A):   975 ; 0.019 ; 0.021       
REMARK   3   BOND LENGTHS OTHERS               (A):   809 ; 0.007 ; 0.020       
REMARK   3   BOND ANGLES REFINED ATOMS   (DEGREES):  1321 ; 1.681 ; 1.925       
REMARK   3   BOND ANGLES OTHERS          (DEGREES):  1913 ; 1.015 ; 3.000       
REMARK   3   TORSION ANGLES, PERIOD 1    (DEGREES):   125 ; 6.324 ; 5.000       
REMARK   3   TORSION ANGLES, PERIOD 2    (DEGREES):    44 ;36.435 ;25.227       
REMARK   3   TORSION ANGLES, PERIOD 3    (DEGREES):   169 ;11.032 ;15.000       
REMARK   3   TORSION ANGLES, PERIOD 4    (DEGREES):     4 ;22.543 ;15.000       
REMARK   3   CHIRAL-CENTER RESTRAINTS       (A**3):   146 ; 0.121 ; 0.200       
REMARK   3   GENERAL PLANES REFINED ATOMS      (A):  1097 ; 0.009 ; 0.020       
REMARK   3   GENERAL PLANES OTHERS             (A):   183 ; 0.001 ; 0.020       
REMARK   3   NON-BONDED CONTACTS REFINED ATOMS (A):   171 ; 0.321 ; 0.200       
REMARK   3   NON-BONDED CONTACTS OTHERS        (A):   783 ; 0.232 ; 0.200       
REMARK   3   NON-BONDED TORSION REFINED ATOMS  (A):   480 ; 0.186 ; 0.200       
REMARK   3   NON-BONDED TORSION OTHERS         (A):   574 ; 0.089 ; 0.200       
REMARK   3   H-BOND (X...Y) REFINED ATOMS      (A):    80 ; 0.246 ; 0.200       
REMARK   3   H-BOND (X...Y) OTHERS             (A):  NULL ;  NULL ;  NULL       
REMARK   3   POTENTIAL METAL-ION REFINED ATOMS (A):  NULL ;  NULL ;  NULL       
REMARK   3   POTENTIAL METAL-ION OTHERS        (A):  NULL ;  NULL ;  NULL       
REMARK   3   SYMMETRY VDW REFINED ATOMS        (A):     5 ; 0.255 ; 0.200       
REMARK   3   SYMMETRY VDW OTHERS               (A):    46 ; 0.280 ; 0.200       
REMARK   3   SYMMETRY H-BOND REFINED ATOMS     (A):    22 ; 0.519 ; 0.200       
REMARK   3   SYMMETRY H-BOND OTHERS            (A):  NULL ;  NULL ;  NULL       
REMARK   3   SYMMETRY METAL-ION REFINED ATOMS  (A):  NULL ;  NULL ;  NULL       
REMARK   3   SYMMETRY METAL-ION OTHERS         (A):  NULL ;  NULL ;  NULL       
REMARK   3                                                                      
REMARK   3  ISOTROPIC THERMAL FACTOR RESTRAINTS.     COUNT   RMS    WEIGHT      
REMARK   3   MAIN-CHAIN BOND REFINED ATOMS  (A**2):   789 ; 2.434 ; 1.500       
REMARK   3   MAIN-CHAIN BOND OTHER ATOMS    (A**2):  NULL ;  NULL ;  NULL       
REMARK   3   MAIN-CHAIN ANGLE REFINED ATOMS (A**2):  1010 ; 3.040 ; 2.000       
REMARK   3   SIDE-CHAIN BOND REFINED ATOMS  (A**2):   407 ; 4.086 ; 3.000       
REMARK   3   SIDE-CHAIN ANGLE REFINED ATOMS (A**2):   310 ; 5.240 ; 4.500       
REMARK   3                                                                      
REMARK   3 ANISOTROPIC THERMAL FACTOR RESTRAINTS.    COUNT   RMS   WEIGHT       
REMARK   3   RIGID-BOND RESTRAINTS          (A**2):  NULL ;  NULL ;  NULL       
REMARK   3   SPHERICITY; FREE ATOMS         (A**2):  NULL ;  NULL ;  NULL       
REMARK   3   SPHERICITY; BONDED ATOMS       (A**2):  NULL ;  NULL ;  NULL       
REMARK   3                                                                      
REMARK   3  NCS RESTRAINTS STATISTICS                                           
REMARK   3   NUMBER OF DIFFERENT NCS GROUPS : NULL                              
REMARK   3                                                                      
REMARK   3  TLS DETAILS                                                         
REMARK   3   NUMBER OF TLS GROUPS  : NULL                                       
REMARK   3                                                                      
REMARK   3  BULK SOLVENT MODELLING.                                             
REMARK   3   METHOD USED : BABINET MODEL WITH MASK                              
REMARK   3   PARAMETERS FOR MASK CALCULATION                                    
REMARK   3   VDW PROBE RADIUS   : 1.20                                          
REMARK   3   ION PROBE RADIUS   : 0.80                                          
REMARK   3   SHRINKAGE RADIUS   : 0.80                                          
REMARK   3                                                                      
REMARK   3  OTHER REFINEMENT REMARKS: HYDROGENS HAVE BEEN ADDED IN THE          
REMARK   3  RIDING POSITIONS. SIDECHAIN OCCUPANCIES HAVE BEEN REDUCED           
REMARK   3  BECAUSE OF STRONG NEGATIVE PEAKS IN DIFFERENCE FOURIER MAPS IN      
REMARK   3  RESIDUES LYS 1, LYS 31, LYS 37, ASP 38, ARG 39, LYS 91, LYS 104     
REMARK   4                                                                      
REMARK   4 2BLZ COMPLIES WITH FORMAT V. 3.15, 01-DEC-08                         
REMARK 100                                                                      
REMARK 100 THIS ENTRY HAS BEEN PROCESSED BY PDBE ON  09-MAR-05.                 
REMARK 100 THE PDBE ID CODE IS EBI-23247.                                       
REMARK 200                                                                      
REMARK 200 EXPERIMENTAL DETAILS                                                 
REMARK 200  EXPERIMENT TYPE                : X-RAY DIFFRACTION                  
REMARK 200  DATE OF DATA COLLECTION        : 18-DEC-04                          
REMARK 200  TEMPERATURE           (KELVIN) : 100.0                              
REMARK 200  PH                             : NULL                               
REMARK 200  NUMBER OF CRYSTALS USED        : 1                                  
REMARK 200                                                                      
REMARK 200  SYNCHROTRON              (Y/N) : Y                                  
REMARK 200  RADIATION SOURCE               : ESRF                               
REMARK 200  BEAMLINE                       : ID14-4                             
REMARK 200  X-RAY GENERATOR MODEL          : NULL                               
REMARK 200  MONOCHROMATIC OR LAUE    (M/L) : M                                  
REMARK 200  WAVELENGTH OR RANGE        (A) : 0.9392                             
REMARK 200  MONOCHROMATOR                  : SI(111)                            
REMARK 200  OPTICS                         : BENT MIRROR                        
REMARK 200                                                                      
REMARK 200  DETECTOR TYPE                  : CCD                                
REMARK 200  DETECTOR MANUFACTURER          : ADSC                               
REMARK 200  INTENSITY-INTEGRATION SOFTWARE : XDS                                
REMARK 200  DATA SCALING SOFTWARE          : XSCALE                             
REMARK 200                                                                      
REMARK 200  NUMBER OF UNIQUE REFLECTIONS   : 24403                              
REMARK 200  RESOLUTION RANGE HIGH      (A) : 1.500                              
REMARK 200  RESOLUTION RANGE LOW       (A) : 50.000                             
REMARK 200  REJECTION CRITERIA  (SIGMA(I)) : -3.000                             
REMARK 200                                                                      
REMARK 200 OVERALL.                                                             
REMARK 200  COMPLETENESS FOR RANGE     (%) : 99.3                               
REMARK 200  DATA REDUNDANCY                : 3.600                              
REMARK 200  R MERGE                    (I) : 0.05000                            
REMARK 200  R SYM                      (I) : NULL                               
REMARK 200  <I/SIGMA(I)> FOR THE DATA SET  : 16.1500                            
REMARK 200                                                                      
REMARK 200 IN THE HIGHEST RESOLUTION SHELL.                                     
REMARK 200  HIGHEST RESOLUTION SHELL, RANGE HIGH (A) : 1.50                     
REMARK 200  HIGHEST RESOLUTION SHELL, RANGE LOW  (A) : 1.59                     
REMARK 200  COMPLETENESS FOR SHELL     (%) : 98.0                               
REMARK 200  DATA REDUNDANCY IN SHELL       : 3.60                               
REMARK 200  R MERGE FOR SHELL          (I) : 0.30000                            
REMARK 200  R SYM FOR SHELL            (I) : NULL                               
REMARK 200  <I/SIGMA(I)> FOR SHELL         : 3.670                              
REMARK 200                                                                      
REMARK 200 DIFFRACTION PROTOCOL: SINGLE WAVELENGTH                              
REMARK 200 METHOD USED TO DETERMINE THE STRUCTURE: OTHER                        
REMARK 200 SOFTWARE USED: SHELXD, SHELXE                                        
REMARK 200 STARTING MODEL: NULL                                                 
REMARK 200                                                                      
REMARK 200 REMARK: NULL                                                         
REMARK 280                                                                      
REMARK 280 CRYSTAL                                                              
REMARK 280 SOLVENT CONTENT, VS   (%): 49.56                                     
REMARK 280 MATTHEWS COEFFICIENT, VM (ANGSTROMS**3/DA): 2.46                     
REMARK 280                                                                      
REMARK 280 CRYSTALLIZATION CONDITIONS: 30 % PEG 5000 MME, 1 M SODIUM            
REMARK 280  CHLORIDE,50 MM PH 4.5 SODIUM ACETATE                                
REMARK 290                                                                      
REMARK 290 CRYSTALLOGRAPHIC SYMMETRY                                            
REMARK 290 SYMMETRY OPERATORS FOR SPACE GROUP: P 32 2 1                         
REMARK 290                                                                      
REMARK 290      SYMOP   SYMMETRY                                                
REMARK 290     NNNMMM   OPERATOR                                                
REMARK 290       1555   X,Y,Z                                                   
REMARK 290       2555   -Y,X-Y,Z+2/3                                            
REMARK 290       3555   -X+Y,-X,Z+1/3                                           
REMARK 290       4555   Y,X,-Z                                                  
REMARK 290       5555   X-Y,-Y,-Z+1/3                                           
REMARK 290       6555   -X,-X+Y,-Z+2/3                                          
REMARK 290                                                                      
REMARK 290     WHERE NNN -> OPERATOR NUMBER                                     
REMARK 290           MMM -> TRANSLATION VECTOR                                  
REMARK 290                                                                      
REMARK 290 CRYSTALLOGRAPHIC SYMMETRY TRANSFORMATIONS                            
REMARK 290 THE FOLLOWING TRANSFORMATIONS OPERATE ON THE ATOM/HETATM             
REMARK 290 RECORDS IN THIS ENTRY TO PRODUCE CRYSTALLOGRAPHICALLY                
REMARK 290 RELATED MOLECULES.                                                   
REMARK 290   SMTRY1   1  1.000000  0.000000  0.000000        0.00000            
REMARK 290   SMTRY2   1  0.000000  1.000000  0.000000        0.00000            
REMARK 290   SMTRY3   1  0.000000  0.000000  1.000000        0.00000            
REMARK 290   SMTRY1   2 -0.500000 -0.866025  0.000000        0.00000            
REMARK 290   SMTRY2   2  0.866025 -0.500000  0.000000        0.00000            
REMARK 290   SMTRY3   2  0.000000  0.000000  1.000000       42.42867            
REMARK 290   SMTRY1   3 -0.500000  0.866025  0.000000        0.00000            
REMARK 290   SMTRY2   3 -0.866025 -0.500000  0.000000        0.00000            
REMARK 290   SMTRY3   3  0.000000  0.000000  1.000000       21.21433            
REMARK 290   SMTRY1   4 -0.500000  0.866025  0.000000        0.00000            
REMARK 290   SMTRY2   4  0.866025  0.500000  0.000000        0.00000            
REMARK 290   SMTRY3   4  0.000000  0.000000 -1.000000        0.00000            
REMARK 290   SMTRY1   5  1.000000  0.000000  0.000000        0.00000            
REMARK 290   SMTRY2   5  0.000000 -1.000000  0.000000        0.00000            
REMARK 290   SMTRY3   5  0.000000  0.000000 -1.000000       21.21433            
REMARK 290   SMTRY1   6 -0.500000 -0.866025  0.000000        0.00000            
REMARK 290   SMTRY2   6 -0.866025  0.500000  0.000000        0.00000            
REMARK 290   SMTRY3   6  0.000000  0.000000 -1.000000       42.42867            
REMARK 290                                                                      
REMARK 290 REMARK: NULL                                                         
REMARK 300                                                                      
REMARK 300 BIOMOLECULE: 1                                                       
REMARK 300 SEE REMARK 350 FOR THE AUTHOR PROVIDED AND/OR PROGRAM                
REMARK 300 GENERATED ASSEMBLY INFORMATION FOR THE STRUCTURE IN                  
REMARK 300 THIS ENTRY.  THE REMARK MAY ALSO PROVIDE INFORMATION ON              
REMARK 300 BURIED SURFACE AREA.                                                 
REMARK 350                                                                      
REMARK 350 GENERATING THE BIOMOLECULE                                           
REMARK 350 COORDINATES FOR A COMPLETE MULTIMER REPRESENTING THE KNOWN           
REMARK 350 BIOLOGICALLY SIGNIFICANT OLIGOMERIZATION STATE OF THE                
REMARK 350 MOLECULE CAN BE GENERATED BY APPLYING BIOMT TRANSFORMATIONS          
REMARK 350 GIVEN BELOW.  BOTH NON-CRYSTALLOGRAPHIC AND                          
REMARK 350 CRYSTALLOGRAPHIC OPERATIONS ARE GIVEN.                               
REMARK 350                                                                      
REMARK 350 BIOMOLECULE:  1                                                      
REMARK 350 AUTHOR DETERMINED BIOLOGICAL UNIT: MONOMERIC                         
REMARK 350 SOFTWARE DETERMINED QUATERNARY STRUCTURE: MONOMERIC                  
REMARK 350 SOFTWARE USED: PQS                                                   
REMARK 350 APPLY THE FOLLOWING TO CHAINS: A                                     
REMARK 350   BIOMT1   1  1.000000  0.000000  0.000000        0.00000            
REMARK 350   BIOMT2   1  0.000000  1.000000  0.000000        0.00000            
REMARK 350   BIOMT3   1  0.000000  0.000000  1.000000        0.00000            
REMARK 375                                                                      
REMARK 375 SPECIAL POSITION                                                     
REMARK 375      HOH A2143  LIES ON A SPECIAL POSITION.                          
REMARK 400                                                                      
REMARK 400 COMPOUND                                                             
REMARK 400  FUNCTION: CATALYZES THE CLEAVAGE OF RNA ON THE 3' SIDE OF           
REMARK 400  PYRIMIDINE NUCLEOTIDES. ACTS ON SINGLE STRANDED AND                 
REMARK 400  DOUBLE STRANDED RNA                                                 
REMARK 500                                                                      
REMARK 500 GEOMETRY AND STEREOCHEMISTRY                                         
REMARK 500 SUBTOPIC: CLOSE CONTACTS IN SAME ASYMMETRIC UNIT                     
REMARK 500                                                                      
REMARK 500 THE FOLLOWING ATOMS ARE IN CLOSE CONTACT.                            
REMARK 500                                                                      
REMARK 500  ATM1  RES C  SSEQI   ATM2  RES C  SSEQI           DISTANCE          
REMARK 500   OD1  ASN A   103  -  O    HOH A  2116              2.19            
REMARK 500   O    HOH A  2005  -  O    HOH A  2010              1.26            
REMARK 500   O    HOH A  2062  -  O    HOH A  2102              2.03            
REMARK 500                                                                      
REMARK 500 REMARK: NULL                                                         
REMARK 500                                                                      
REMARK 500 GEOMETRY AND STEREOCHEMISTRY                                         
REMARK 500 SUBTOPIC: TORSION ANGLES                                             
REMARK 500                                                                      
REMARK 500 TORSION ANGLES OUTSIDE THE EXPECTED RAMACHANDRAN REGIONS:            
REMARK 500 (M=MODEL NUMBER; RES=RESIDUE NAME; C=CHAIN IDENTIFIER;               
REMARK 500 SSEQ=SEQUENCE NUMBER; I=INSERTION CODE).                             
REMARK 500 STANDARD TABLE:                                                      
REMARK 500 FORMAT:(10X,I3,1X,A3,1X,A1,I4,A1,4X,F7.2,3X,F7.2)                    
REMARK 500                                                                      
REMARK 500 EXPECTED VALUES: GJ KLEYWEGT AND TA JONES (1996). PHI/PSI-           
REMARK 500 CHOLOGY: RAMACHANDRAN REVISITED. STRUCTURE 4, 1395 - 1400            
REMARK 500                                                                      
REMARK 500  M RES CSSEQI        PSI       PHI                                   
REMARK 500    HIS A  48       62.36   -100.59                                   
REMARK 500    GLN A  60     -138.01    -99.70                                   
REMARK 500    ASN A  94       74.35   -108.89                                   
REMARK 500                                                                      
REMARK 500 REMARK: NULL                                                         
REMARK 525                                                                      
REMARK 525 SOLVENT                                                              
REMARK 525                                                                      
REMARK 525 THE SOLVENT MOLECULES HAVE CHAIN IDENTIFIERS THAT                    
REMARK 525 INDICATE THE POLYMER CHAIN WITH WHICH THEY ARE MOST                  
REMARK 525 CLOSELY ASSOCIATED. THE REMARK LISTS ALL THE SOLVENT                 
REMARK 525 MOLECULES WHICH ARE MORE THAN 5A AWAY FROM THE                       
REMARK 525 NEAREST POLYMER CHAIN (M = MODEL NUMBER;                             
REMARK 525 RES=RESIDUE NAME; C=CHAIN IDENTIFIER; SSEQ=SEQUENCE                  
REMARK 525 NUMBER; I=INSERTION CODE):                                           
REMARK 700                                                                      
REMARK 700 SHEET                                                                
REMARK 700 THE SHEET STRUCTURE OF THIS MOLECULE IS BIFURCATED. IN               
REMARK 700 ORDER TO REPRESENT THIS FEATURE IN THE SHEET RECORDS BELOW,          
REMARK 700 TWO SHEETS ARE DEFINED.                                              
REMARK 800                                                                      
REMARK 800 SITE                                                                 
REMARK 800 SITE_IDENTIFIER: AC1                                                 
REMARK 800 EVIDENCE_CODE: SOFTWARE                                              
REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE  CL A1125                 
REMARK 900                                                                      
REMARK 900 RELATED ENTRIES                                                      
REMARK 900 RELATED ID: 1A2W   RELATED DB: PDB                                   
REMARK 900  CRYSTAL STRUCTURE OF A 3D DOMAIN-SWAPPED                            
REMARK 900  DIMER OF BOVINE PANCREATIC RIBONUCLEASE A                           
REMARK 900 RELATED ID: 1A5P   RELATED DB: PDB                                   
REMARK 900  C[40,95]A VARIANT OF BOVINE PANCREATIC                              
REMARK 900  RIBONUCLEASE A                                                      
REMARK 900 RELATED ID: 1A5Q   RELATED DB: PDB                                   
REMARK 900  P93A VARIANT OF BOVINE PANCREATIC RIBONUCLEASE A                    
REMARK 900 RELATED ID: 1AFK   RELATED DB: PDB                                   
REMARK 900  CRYSTAL STRUCTURE OF RIBONUCLEASE A IN                              
REMARK 900  COMPLEX WITH 5'-DIPHOSPHOADENOSINE-3'-                              
REMARK 900  PHOSPHATE                                                           
REMARK 900 RELATED ID: 1AFL   RELATED DB: PDB                                   
REMARK 900  RIBONUCLEASE A IN COMPLEX WITH 5'-                                  
REMARK 900  DIPHOSPHOADENOSINE 2'-PHOSPHATE AT 1.7                              
REMARK 900  ANGSTROM RESOLUTION                                                 
REMARK 900 RELATED ID: 1AFU   RELATED DB: PDB                                   
REMARK 900  STRUCTURE OF RIBONUCLEASE A AT 2.0                                  
REMARK 900  ANGSTROMS FROM MONOCLINIC CRYSTALS                                  
REMARK 900 RELATED ID: 1AQP   RELATED DB: PDB                                   
REMARK 900  RIBONUCLEASE A COPPER COMPLEX                                       
REMARK 900 RELATED ID: 1B6V   RELATED DB: PDB                                   
REMARK 900  CRYSTAL STRUCTURE OF A HYBRID BETWEEN                               
REMARK 900  RIBONUCLEASE A AND BOVINE SEMINAL RIBONUCLEASE                      
REMARK 900 RELATED ID: 1BEL   RELATED DB: PDB                                   
REMARK 900  HYDROLASE PHOSPHORIC DIESTER, RIBONUCLEIC ACID                      
REMARK 900 RELATED ID: 1BZQ   RELATED DB: PDB                                   
REMARK 900  COMPLEX OF A DROMEDARY SINGLE-DOMAIN VHH                            
REMARK 900  ANTIBODY FRAGMENT WITH RNASE A                                      
REMARK 900 RELATED ID: 1C0B   RELATED DB: PDB                                   
REMARK 900  BOVINE PANCREATIC RIBONUCLEASE A DESICCATED                         
REMARK 900  FOR 2.5 DAYS                                                        
REMARK 900 RELATED ID: 1C0C   RELATED DB: PDB                                   
REMARK 900  BOVINE PANCREATIC RIBONUCLEASE A DESICCATED                         
REMARK 900  FOR 4.0 DAYS                                                        
REMARK 900 RELATED ID: 1C8W   RELATED DB: PDB                                   
REMARK 900  THR45GLY VARIANT OF RIBONUCLEASE A                                  
REMARK 900 RELATED ID: 1C9V   RELATED DB: PDB                                   
REMARK 900  H12A VARIANT OF RIBONUCLEASE A                                      
REMARK 900 RELATED ID: 1C9X   RELATED DB: PDB                                   
REMARK 900  H119A VARIANT OF RIBONUCLEASE A                                     
REMARK 900 RELATED ID: 1CJQ   RELATED DB: PDB                                   
REMARK 900  X-RAY CRYSTALLOGRAPHIC STUDIES OF THE                               
REMARK 900  DENATURATION OF THE DENATURATION OF                                 
REMARK 900  RIBONUCLEASE S.                                                     
REMARK 900 RELATED ID: 1CJR   RELATED DB: PDB                                   
REMARK 900  X-RAY CRYSTALLOGRAPHIC STUDIES OF DENATURATION                      
REMARK 900   IN RIBONUCLEASE S                                                  
REMARK 900 RELATED ID: 1D5D   RELATED DB: PDB                                   
REMARK 900  THE ROLE OF PHENYLALANINE 8 IN THE                                  
REMARK 900  STABILIZATION OF THE SPROTEIN-S PEPTIDE                             
REMARK 900  INTERACTION: PACKING AND CAVITIES                                   
REMARK 900 RELATED ID: 1D5E   RELATED DB: PDB                                   
REMARK 900  THE ROLE OF PHENYLALANINE 8 IN THE                                  
REMARK 900  STABILIZATION OF THE SPROTEIN-S PEPTIDE                             
REMARK 900  INTERACTION: PACKING AND CAVITIES                                   
REMARK 900 RELATED ID: 1D5H   RELATED DB: PDB                                   
REMARK 900  RNASE S(F8A). MUTANT RIBONUCLEASE S.                                
REMARK 900 RELATED ID: 1DFJ   RELATED DB: PDB                                   
REMARK 900  RIBONUCLEASE INHIBITOR COMPLEXED WITH                               
REMARK 900  RIBONUCLEASE A                                                      
REMARK 900 RELATED ID: 1DY5   RELATED DB: PDB                                   
REMARK 900  DEAMIDATED DERIVATIVE OF BOVINE PANCREATIC                          
REMARK 900  RIBONUCLEASE                                                        
REMARK 900 RELATED ID: 1EIC   RELATED DB: PDB                                   
REMARK 900  CRYSTAL STRUCTURE OF F120A MUTANT OF BOVINE                         
REMARK 900   PANCREATICRIBONUCLEASE A                                           
REMARK 900 RELATED ID: 1EID   RELATED DB: PDB                                   
REMARK 900  CRYSTAL STRUCTURE OF F120G MUTANT OF BOVINE                         
REMARK 900   PANCREATICRIBONUCLEASE A                                           
REMARK 900 RELATED ID: 1EIE   RELATED DB: PDB                                   
REMARK 900  CRYSTAL STRUCTURE OF F120W MUTANT OF BOVINE                         
REMARK 900   PANCREATICRIBONUCLEASE A                                           
REMARK 900 RELATED ID: 1EOS   RELATED DB: PDB                                   
REMARK 900  CRYSTAL STRUCTURE OF RIBONUCLEASE A COMPLEXED                       
REMARK 900   WITH URIDYLYL(2', 5')GUANOSINE (PRODUCTIVE                         
REMARK 900  BINDING)                                                            
REMARK 900 RELATED ID: 1EOW   RELATED DB: PDB                                   
REMARK 900  CRYSTAL STRUCTURE OF RIBONUCLEASE A COMPLEXED                       
REMARK 900   WITH URIDYLYL(2', 5')GUANOSINE (NON-                               
REMARK 900  PRODUCTIVE BINDING)                                                 
REMARK 900 RELATED ID: 1F0V   RELATED DB: PDB                                   
REMARK 900  CRYSTAL STRUCTURE OF AN RNASE A DIMER                               
REMARK 900  DISPLAYING A NEW TYPE OF 3D DOMAIN                                  
REMARK 900  SWAPPING                                                            
REMARK 900 RELATED ID: 1FEV   RELATED DB: PDB                                   
REMARK 900  CRYSTAL STRUCTURE OF THE ALA4AIB MUTATION IN                        
REMARK 900   RNASE S                                                            
REMARK 900 RELATED ID: 1FS3   RELATED DB: PDB                                   
REMARK 900  CRYSTAL STRUCTURE OF WILD-TYPE BOVINE                               
REMARK 900  PANCREATICRIBONUCLEASE A                                            
REMARK 900 RELATED ID: 1GV7   RELATED DB: PDB                                   
REMARK 900  GUEST-HOST CROSSTALK IN AN ANGIOGENIN/RNASE                         
REMARK 900   A CHIMERIC PROTEIN                                                 
REMARK 900 RELATED ID: 1IZP   RELATED DB: PDB                                   
REMARK 900  F46L MUTANT OF BOVINE PANCREATIC RIBONUCLEASE A                     
REMARK 900 RELATED ID: 1IZQ   RELATED DB: PDB                                   
REMARK 900  F46V MUTANT OF BOVINE PANCREATIC RIBONUCLEASE A                     
REMARK 900 RELATED ID: 1IZR   RELATED DB: PDB                                   
REMARK 900  F46A MUTANT OF BOVINE PANCREATIC RIBONUCLEASE A                     
REMARK 900 RELATED ID: 1J7Z   RELATED DB: PDB                                   
REMARK 900  OSMOLYTE STABILIZATION OF RIBONUCLEASE                              
REMARK 900 RELATED ID: 1J80   RELATED DB: PDB                                   
REMARK 900  OSMOLYTE STABILIZATION OF RNASE                                     
REMARK 900 RELATED ID: 1J81   RELATED DB: PDB                                   
REMARK 900  OSMOLYTE STABILIZATION OF RNASE                                     
REMARK 900 RELATED ID: 1J82   RELATED DB: PDB                                   
REMARK 900  OSMOLYTE STABILIZATION OF RNASE                                     
REMARK 900 RELATED ID: 1JN4   RELATED DB: PDB                                   
REMARK 900  THE CRYSTAL STRUCTURE OF RIBONUCLEASE A IN                          
REMARK 900  COMPLEX WITH 2'-DEOXYURIDINE 3'-PYROPHOSPHATE                       
REMARK 900   (P'-5') ADENOSINE                                                  
REMARK 900 RELATED ID: 1JS0   RELATED DB: PDB                                   
REMARK 900  CRYSTAL STRUCTURE OF 3D DOMAIN-SWAPPED RNASE                        
REMARK 900   A MINOR TRIMER                                                     
REMARK 900 RELATED ID: 1JVT   RELATED DB: PDB                                   
REMARK 900  CRYSTAL STRUCTURE OF RIBONUCLEASE A (LIGAND-                        
REMARK 900  FREE FORM)                                                          
REMARK 900 RELATED ID: 1JVU   RELATED DB: PDB                                   
REMARK 900  CRYSTAL STRUCTURE OF RIBONUCLEASE A (COMPLEXED                      
REMARK 900   FORM)                                                              
REMARK 900 RELATED ID: 1JVV   RELATED DB: PDB                                   
REMARK 900  CRYSTAL STRUCTURE OF RIBONUCLEASE A (RETRO-                         
REMARK 900  SOAKED FORM)                                                        
REMARK 900 RELATED ID: 1KF2   RELATED DB: PDB                                   
REMARK 900  ATOMIC RESOLUTION STRUCTURE OF RNASE A AT                           
REMARK 900  PH 5.2                                                              
REMARK 900 RELATED ID: 1KF3   RELATED DB: PDB                                   
REMARK 900  ATOMIC RESOLUTION STRUCTURE OF RNASE A AT                           
REMARK 900  PH 5.9                                                              
REMARK 900 RELATED ID: 1KF4   RELATED DB: PDB                                   
REMARK 900  ATOMIC RESOLUTION STRUCTURE OF RNASE A AT                           
REMARK 900  PH 6.3                                                              
REMARK 900 RELATED ID: 1KF5   RELATED DB: PDB                                   
REMARK 900  ATOMIC RESOLUTION STRUCTURE OF RNASE A AT                           
REMARK 900  PH 7.1                                                              
REMARK 900 RELATED ID: 1KF7   RELATED DB: PDB                                   
REMARK 900  ATOMIC RESOLUTION STRUCTURE OF RNASE A AT                           
REMARK 900  PH 8.0                                                              
REMARK 900 RELATED ID: 1KF8   RELATED DB: PDB                                   
REMARK 900  ATOMIC RESOLUTION STRUCTURE OF RNASE A AT                           
REMARK 900  PH 8.8                                                              
REMARK 900 RELATED ID: 1KH8   RELATED DB: PDB                                   
REMARK 900  STRUCTURE OF A CIS-PROLINE (P114) TO                                
REMARK 900  GLYCINE VARIANT OFRIBONUCLEASE A                                    
REMARK 900 RELATED ID: 1LSQ   RELATED DB: PDB                                   
REMARK 900  RIBONUCLEASE A WITH ASN 67 REPLACED BY A                            
REMARK 900  BETA-ASPARTYL RESIDUE                                               
REMARK 900 RELATED ID: 1O0F   RELATED DB: PDB                                   
REMARK 900  RNASE A IN COMPLEX WITH 3',5'-ADP                                   
REMARK 900 RELATED ID: 1O0H   RELATED DB: PDB                                   
REMARK 900  RIBONUCLEASE A IN COMPLEX WITH 5'-ADP                               
REMARK 900 RELATED ID: 1O0M   RELATED DB: PDB                                   
REMARK 900  RIBONUCLEASE A IN COMPLEX WITH URIDINE-2'-                          
REMARK 900  PHOSPHATE                                                           
REMARK 900 RELATED ID: 1O0N   RELATED DB: PDB                                   
REMARK 900  RIBONUCLEASE A IN COMPLEX WITH URIDINE-3'-                          
REMARK 900  PHOSPHATE                                                           
REMARK 900 RELATED ID: 1O0O   RELATED DB: PDB                                   
REMARK 900  RIBONUCLEASE A IN COMPLEX WITH ADENOSINE-2',                        
REMARK 900  5'-DIPHOSPHATE                                                      
REMARK 900 RELATED ID: 1QHC   RELATED DB: PDB                                   
REMARK 900  CRYSTAL STRUCTURE OF RIBONUCLEASE A IN                              
REMARK 900  COMPLEX WITH 5'- PHOSPHO-2'-DEOXYURIDINE-3'                         
REMARK 900  -PYROPHOSPHATE ADENOSINE-3'- PHOSPHATE                              
REMARK 900 RELATED ID: 1RAR   RELATED DB: PDB                                   
REMARK 900  RIBONUCLEASE A FLUORESCENT DERIVATIVE [RNASE 1                      
REMARK 900  -124 (AENS-HIS -12)] FROM NACL CRYSTAL                              
REMARK 900 RELATED ID: 1RAS   RELATED DB: PDB                                   
REMARK 900  RIBONUCLEASE A FLUORESCENT DERIVATIVE [RNASE 1                      
REMARK 900  -124 (AENS-HIS-12)] FROM AMMONIUM SULFATE                           
REMARK 900  CRYSTAL                                                             
REMARK 900 RELATED ID: 1RAT   RELATED DB: PDB                                   
REMARK 900  RIBONUCLEASE A AT 98K                                               
REMARK 900 RELATED ID: 1RBB   RELATED DB: PDB                                   
REMARK 900  RIBONUCLEASE B                                                      
REMARK 900 RELATED ID: 1RBC   RELATED DB: PDB                                   
REMARK 900  RIBONUCLEASE S MUTANT WITH MET 13 REPLACED                          
REMARK 900  BY ALA (M13A)                                                       
REMARK 900 RELATED ID: 1RBD   RELATED DB: PDB                                   
REMARK 900  RIBONUCLEASE S MUTANT WITH MET 13 REPLACED                          
REMARK 900  BY ALPHA-AMINO-NORMAL-BUTYRIC ACID (M13ABA)                         
REMARK 900 RELATED ID: 1RBE   RELATED DB: PDB                                   
REMARK 900  RIBONUCLEASE S MUTANT WITH MET 13 REPLACED                          
REMARK 900  BY PHE (M13F)                                                       
REMARK 900 RELATED ID: 1RBF   RELATED DB: PDB                                   
REMARK 900  RIBONUCLEASE S MUTANT WITH MET 13 REPLACED                          
REMARK 900  BY GLY (M13G)                                                       
REMARK 900 RELATED ID: 1RBG   RELATED DB: PDB                                   
REMARK 900  RIBONUCLEASE S MUTANT WITH MET 13 REPLACED                          
REMARK 900  BY ILE (M13I)                                                       
REMARK 900 RELATED ID: 1RBH   RELATED DB: PDB                                   
REMARK 900  RIBONUCLEASE S MUTANT WITH MET 13 REPLACED                          
REMARK 900  BY LEU (M13L)                                                       
REMARK 900 RELATED ID: 1RBI   RELATED DB: PDB                                   
REMARK 900  RIBONUCLEASE S MUTANT WITH MET 13 REPLACED                          
REMARK 900  BY VAL (M13V)                                                       
REMARK 900 RELATED ID: 1RBJ   RELATED DB: PDB                                   
REMARK 900  RIBONUCLEASE B COMPLEX WITH D(TETRA-(DEOXY-                         
REMARK 900  ADENYLATE))                                                         
REMARK 900 RELATED ID: 1RBN   RELATED DB: PDB                                   
REMARK 900  RIBONUCLEASE A DERIVATIVE II COMPLEXED WITH                         
REMARK 900  6-CHLOROPURINE RIBOSIDE 5'-MONOPHOSPHATE                            
REMARK 900 RELATED ID: 1RBW   RELATED DB: PDB                                   
REMARK 900  RIBONUCLEASE A WITH GUANIDINIUM                                     
REMARK 900 RELATED ID: 1RBX   RELATED DB: PDB                                   
REMARK 900  RIBONUCLEASE A CONTROL                                              
REMARK 900 RELATED ID: 1RCA   RELATED DB: PDB                                   
REMARK 900  MOL_ID: 1; MOLECULE: RIBONUCLEASE A; CHAIN:                         
REMARK 900  NULL; SYNONYM: RNASE A; EC: 3.1.27.5;                               
REMARK 900  HETEROGEN: DEOXYCYTIDYLYL-3',5'-GUANOSINE (3',                      
REMARK 900  5'-DCPDG); OTHER_DETAILS: CO-CRYSTALLIZED                           
REMARK 900  COMPLEX                                                             
REMARK 900 RELATED ID: 1RCN   RELATED DB: PDB                                   
REMARK 900  RIBONUCLEASE A COMPLEXED WITH DEOXYRIBONUCLEIC                      
REMARK 900  ACID (5'-D(APTPAPAP)-3')                                            
REMARK 900 RELATED ID: 1RHA   RELATED DB: PDB                                   
REMARK 900  RIBONUCLEASE A (LOW HUMIDITY FORM: RELATIVE                         
REMARK 900  HUMIDITY 79 %)                                                      
REMARK 900 RELATED ID: 1RHB   RELATED DB: PDB                                   
REMARK 900  RIBONUCLEASE A (LOW HUMIDITY FORM: RELATIVE                         
REMARK 900  HUMIDITY 88 %)                                                      
REMARK 900 RELATED ID: 1RNC   RELATED DB: PDB                                   
REMARK 900  RIBONUCLEASE A COMPLEX WITH CYTIDYLYL-2',5'                         
REMARK 900  -GUANOSINE (2',5'-CPG)                                              
REMARK 900 RELATED ID: 1RND   RELATED DB: PDB                                   
REMARK 900  RIBONUCLEASE A COMPLEX WITH DEOXYCYTIDYLYL-3',                      
REMARK 900  5'-GUANOSINE (3',5'-DCPDG)                                          
REMARK 900 RELATED ID: 1RNM   RELATED DB: PDB                                   
REMARK 900  RIBONUCLEASE A COMPLEX WITH CYTIDYLIC ACID                          
REMARK 900  (5'CMP) CRYSTALLIZED FROM 80% AMMONIUM                              
REMARK 900  SULPHATE                                                            
REMARK 900 RELATED ID: 1RNN   RELATED DB: PDB                                   
REMARK 900  RIBONUCLEASE A COMPLEX WITH CYTIDYLIC ACID                          
REMARK 900  (5'CMP) CRYSTALLIZED FROM 8M SODIUM FORMATE                         
REMARK 900 RELATED ID: 1RNO   RELATED DB: PDB                                   
REMARK 900  RIBONUCLEASE A CRYSTALLIZED FROM 80% AMMONIUM                       
REMARK 900   SULPHATE                                                           
REMARK 900 RELATED ID: 1RNQ   RELATED DB: PDB                                   
REMARK 900  RIBONUCLEASE A CRYSTALLIZED FROM 8M SODIUM                          
REMARK 900  FORMATE                                                             
REMARK 900 RELATED ID: 1RNU   RELATED DB: PDB                                   
REMARK 900  RIBONUCLEASE S (PH 5.5)                                             
REMARK 900 RELATED ID: 1RNV   RELATED DB: PDB                                   
REMARK 900  RIBONUCLEASE S (PH 4.75)                                            
REMARK 900 RELATED ID: 1RNW   RELATED DB: PDB                                   
REMARK 900  RECOMBINANT RIBONUCLEASE A CRYSTALLIZED FROM                        
REMARK 900  80% AMMONIUM SULPHATE                                               
REMARK 900 RELATED ID: 1RNX   RELATED DB: PDB                                   
REMARK 900  RIBONUCLEASE A CRYSTALLIZED FROM 3M SODIUM                          
REMARK 900  CHLORIDE, 30% AMMONIUM SULFATE                                      
REMARK 900 RELATED ID: 1RNY   RELATED DB: PDB                                   
REMARK 900  RIBONUCLEASE A CRYSTALLIZED FROM 3M CESIUM                          
REMARK 900  CHLORIDE, 30% AMMONIUM SULFATE                                      
REMARK 900 RELATED ID: 1RNZ   RELATED DB: PDB                                   
REMARK 900  RIBONUCLEASE A CRYSTALLIZED FROM 2.5M SODIUM                        
REMARK 900   CHLORIDE, 3.3M SODIUM FORMATE                                      
REMARK 900 RELATED ID: 1ROB   RELATED DB: PDB                                   
REMARK 900  RIBONUCLEASE A COMPLEXED WITH CYTIDYLIC ACID                        
REMARK 900 RELATED ID: 1RPF   RELATED DB: PDB                                   
REMARK 900  RIBONUCLEASE A COMPLEXED WITH CYTIDINE-3'-                          
REMARK 900  MONOPHOSPHATE (RNASE A/3'-CMP)                                      
REMARK 900 RELATED ID: 1RPG   RELATED DB: PDB                                   
REMARK 900  RIBONUCLEASE A COMPLEXED WITH DEOXYCYTIDYL-3                        
REMARK 900  ',5'-DEOXYADENOSINE (RNASE A/D(CPA)                                 
REMARK 900 RELATED ID: 1RPH   RELATED DB: PDB                                   
REMARK 900  RIBONUCLEASE A                                                      
REMARK 900 RELATED ID: 1RSM   RELATED DB: PDB                                   
REMARK 900  LYS-7-(DINITROPHENYLENE)-LYS-41 CROSS-LINKED                        
REMARK 900   RIBONUCLEASE A                                                     
REMARK 900 RELATED ID: 1RTA   RELATED DB: PDB                                   
REMARK 900  RIBONUCLEASE A COMPLEX WITH THYMIDYLIC ACID                         
REMARK 900  TETRAMER                                                            
REMARK 900 RELATED ID: 1RTB   RELATED DB: PDB                                   
REMARK 900  RIBONUCLEASE A (RNASE A)                                            
REMARK 900 RELATED ID: 1RUV   RELATED DB: PDB                                   
REMARK 900  RIBONUCLEASE A-URIDINE VANADATE COMPLEX: HIGH                       
REMARK 900   RESOLUTION RESOLUTION X-RAY STRUCTURE (1.3                         
REMARK 900   A)                                                                 
REMARK 900 RELATED ID: 1SRN   RELATED DB: PDB                                   
REMARK 900  SEMISYNTHETIC RIBONUCLEASE A (RNASE 1-118                           
REMARK 900  (COLON)111-124)                                                     
REMARK 900 RELATED ID: 1SSA   RELATED DB: PDB                                   
REMARK 900  RIBONUCLEASE A (RESIDUES 1 - 118) COMPLEXED                         
REMARK 900  WITH SYNTHETIC RIBONUCLEASE A (RESIDUES 111                         
REMARK 900   - 124, PHE 120 REPLACED BY LEU (F120L))                            
REMARK 900 RELATED ID: 1SSB   RELATED DB: PDB                                   
REMARK 900  RIBONUCLEASE A (RESIDUES 1 - 118) COMPLEXED                         
REMARK 900  WITH SYNTHETIC RIBONUCLEASE A (RESIDUES 111                         
REMARK 900   - 124, PHE 120 REPLACED BY TYR (F120Y))                            
REMARK 900 RELATED ID: 1SSC   RELATED DB: PDB                                   
REMARK 900  RIBONUCLEASE A (SEMISYNTHETIC) CRYSTALLIZED FROM                    
REMARK 900   AQUEOUS ETHANOL [RNASE 1-118:111-124]                              
REMARK 900 RELATED ID: 1UN5   RELATED DB: PDB                                   
REMARK 900  ARH-II, AN ANGIOGENIN/RNASE A CHIMERA                               
REMARK 900 RELATED ID: 1W4O   RELATED DB: PDB                                   
REMARK 900  BINDING OF NONNATURAL 3'-NUCLEOTIDES TO                             
REMARK 900  RIBONUCLEASE A                                                      
REMARK 900 RELATED ID: 1W4P   RELATED DB: PDB                                   
REMARK 900  BINDING OF NONNATURAL 3'-NUCLEOTIDES TO                             
REMARK 900  RIBONUCLEASE A                                                      
REMARK 900 RELATED ID: 1W4Q   RELATED DB: PDB                                   
REMARK 900  BINDING OF NONNATURAL 3'-NUCLEOTIDES TO                             
REMARK 900  RIBONUCLEASE A                                                      
REMARK 900 RELATED ID: 1WBU   RELATED DB: PDB                                   
REMARK 900  FRAGMENT BASED LEAD DISCOVERY USING                                 
REMARK 900  CRYSTALLOGRAPHY                                                     
REMARK 900 RELATED ID: 1XPS   RELATED DB: PDB                                   
REMARK 900  BOVINE RIBONUCLEASE A (PHOSPHATE-FREE) (93 %                        
REMARK 900  HUMIDITY)                                                           
REMARK 900 RELATED ID: 1XPT   RELATED DB: PDB                                   
REMARK 900  BOVINE RIBONUCLEASE A (PHOSPHATE-FREE)                              
REMARK 900 RELATED ID: 2AAS   RELATED DB: PDB                                   
REMARK 900  RIBONUCLEASE A (NMR, 32 STRUCTURES)                                 
REMARK 900 RELATED ID: 2BLP   RELATED DB: PDB                                   
REMARK 900  RNASE BEFORE UNATTENUATED X-RAY BURN                                
REMARK 900 RELATED ID: 2RAT   RELATED DB: PDB                                   
REMARK 900  RIBONUCLEASE A AT 130K                                              
REMARK 900 RELATED ID: 2RLN   RELATED DB: PDB                                   
REMARK 900  RIBONUCLEASE S MUTANT WITH MET S 13                                 
REMARK 900  REPLACED BY NORLEUCINE (M(S 13)NLE)                                 
REMARK 900 RELATED ID: 2RNS   RELATED DB: PDB                                   
REMARK 900  RIBONUCLEASE S (PH 4.75)                                            
REMARK 900 RELATED ID: 3RAT   RELATED DB: PDB                                   
REMARK 900  RIBONUCLEASE A AT 160K                                              
REMARK 900 RELATED ID: 3RN3   RELATED DB: PDB                                   
REMARK 900  RIBONUCLEASE A                                                      
REMARK 900 RELATED ID: 3RSD   RELATED DB: PDB                                   
REMARK 900  STRUCTURE OF THE D121N VARIANT OF                                   
REMARK 900  RIBONUCLEASE A                                                      
REMARK 900 RELATED ID: 3RSK   RELATED DB: PDB                                   
REMARK 900  STRUCTURE OF THE K7A/R10A/K66A VARIANT OF                           
REMARK 900   RIBONUCLEASE A                                                     
REMARK 900 RELATED ID: 3RSP   RELATED DB: PDB                                   
REMARK 900  STRUCTURE OF THE P93G VARIANT OF                                    
REMARK 900  RIBONUCLEASE A                                                      
REMARK 900 RELATED ID: 3SRN   RELATED DB: PDB                                   
REMARK 900  SEMISYNTHETIC RIBONUCLEASE A MUTANT WITH ASP                        
REMARK 900  121 REPLACED BY ASN (D121N) (RNASE 1-118:                           
REMARK 900  111-124 (D121N))                                                    
REMARK 900 RELATED ID: 4RAT   RELATED DB: PDB                                   
REMARK 900  RIBONUCLEASE A AT 180K                                              
REMARK 900 RELATED ID: 4RSD   RELATED DB: PDB                                   
REMARK 900  STRUCTURE OF THE D121A VARIANT OF                                   
REMARK 900  RIBONUCLEASE A                                                      
REMARK 900 RELATED ID: 4RSK   RELATED DB: PDB                                   
REMARK 900  STRUCTURE OF THE K7A/R10A/K66A VARIANT OF                           
REMARK 900   RIBONUCLEASE A COMPLEXED WITH 3'-UMP                               
REMARK 900 RELATED ID: 4SRN   RELATED DB: PDB                                   
REMARK 900  SEMISYNTHETIC RIBONUCLEASE A MUTANT WITH ASP                        
REMARK 900  121 REPLACED BY ALA (D121A) (RNASE 1-118:                           
REMARK 900  111-124 (D121A))                                                    
REMARK 900 RELATED ID: 5RAT   RELATED DB: PDB                                   
REMARK 900  RIBONUCLEASE A AT 220K                                              
REMARK 900 RELATED ID: 5RSA   RELATED DB: PDB                                   
REMARK 900  RIBONUCLEASE A (JOINT NEUTRON AND X-RAY)                            
REMARK 900 RELATED ID: 6RAT   RELATED DB: PDB                                   
REMARK 900  RIBONUCLEASE A AT 240K                                              
REMARK 900 RELATED ID: 6RSA   RELATED DB: PDB                                   
REMARK 900  RIBONUCLEASE A COMPLEX WITH URIDINE VANADATE                        
REMARK 900   (JOINT NEUTRON AND X-RAY)                                          
REMARK 900 RELATED ID: 7RAT   RELATED DB: PDB                                   
REMARK 900  RIBONUCLEASE A AT 260K                                              
REMARK 900 RELATED ID: 7RSA   RELATED DB: PDB                                   
REMARK 900  RIBONUCLEASE A (PHOSPHATE-FREE)                                     
REMARK 900 RELATED ID: 8RAT   RELATED DB: PDB                                   
REMARK 900  RIBONUCLEASE A AT 300K                                              
REMARK 900 RELATED ID: 8RSA   RELATED DB: PDB                                   
REMARK 900  RIBONUCLEASE A (PHOSPHATE-FREE) COMPLEX WITH                        
REMARK 900  N==E2.12==-N-ACETYL DEOXYTHYMIDINE                                  
REMARK 900 RELATED ID: 9RAT   RELATED DB: PDB                                   
REMARK 900  RIBONUCLEASE A AT 320K                                              
REMARK 900 RELATED ID: 9RSA   RELATED DB: PDB                                   
REMARK 900  RIBONUCLEASE A (PHOSPHATE-FREE) COMPLEX WITH                        
REMARK 900  N==D1.119==-N-ACETYL DEOXYURIDINE                                   
DBREF  2BLZ A    1   124  UNP    P61823   RNAS1_BOVIN     27    150             
SEQRES   1 A  124  LYS GLU THR ALA ALA ALA LYS PHE GLU ARG GLN HIS MET          
SEQRES   2 A  124  ASP SER SER THR SER ALA ALA SER SER SER ASN TYR CYS          
SEQRES   3 A  124  ASN GLN MET MET LYS SER ARG ASN LEU THR LYS ASP ARG          
SEQRES   4 A  124  CYS LYS PRO VAL ASN THR PHE VAL HIS GLU SER LEU ALA          
SEQRES   5 A  124  ASP VAL GLN ALA VAL CYS SER GLN LYS ASN VAL ALA CYS          
SEQRES   6 A  124  LYS ASN GLY GLN THR ASN CYS TYR GLN SER TYR SER THR          
SEQRES   7 A  124  MET SER ILE THR ASP CYS ARG GLU THR GLY SER SER LYS          
SEQRES   8 A  124  TYR PRO ASN CYS ALA TYR LYS THR THR GLN ALA ASN LYS          
SEQRES   9 A  124  HIS ILE ILE VAL ALA CYS GLU GLY ASN PRO TYR VAL PRO          
SEQRES  10 A  124  VAL HIS PHE ASP ALA SER VAL                                  
HET     CL  A1125       1                                                       
HETNAM      CL CHLORIDE ION                                                     
FORMUL   2   CL    CL 1-                                                        
FORMUL   3  HOH   *143(H2 O1)                                                   
HELIX    1   1 THR A    3  MET A   13  1                                  11    
HELIX    2   2 ASN A   24  ARG A   33  1                                  10    
HELIX    3   3 SER A   50  ALA A   56  1                                   7    
HELIX    4   4 VAL A   57  GLN A   60  5                                   4    
SHEET    1  AA 5 VAL A  43  VAL A  47  0                                        
SHEET    2  AA 5 MET A  79  GLU A  86 -1  O  THR A  82   N  PHE A  46           
SHEET    3  AA 5 TYR A  97  GLU A 111 -1  O  LYS A  98   N  ARG A  85           
SHEET    4  AA 5 CYS A  72  GLN A  74 -1  O  TYR A  73   N  VAL A 108           
SHEET    5  AA 5 LYS A  61  VAL A  63 -1  O  LYS A  61   N  GLN A  74           
SHEET    1  AB 4 VAL A  43  VAL A  47  0                                        
SHEET    2  AB 4 MET A  79  GLU A  86 -1  O  THR A  82   N  PHE A  46           
SHEET    3  AB 4 TYR A  97  GLU A 111 -1  O  LYS A  98   N  ARG A  85           
SHEET    4  AB 4 VAL A 116  VAL A 124 -1  O  VAL A 116   N  GLU A 111           
SSBOND   1 CYS A   26    CYS A   84                          1555   1555  2.04  
SSBOND   2 CYS A   40    CYS A   95                          1555   1555  2.01  
SSBOND   3 CYS A   58    CYS A  110                          1555   1555  2.10  
SSBOND   4 CYS A   65    CYS A   72                          1555   1555  2.09  
CISPEP   1 TYR A   92    PRO A   93          0         4.85                     
CISPEP   2 ASN A  113    PRO A  114          0         4.52                     
SITE     1 AC1  3 HIS A  12  ASN A  44  THR A  45                               
CRYST1   64.132   64.132   63.643  90.00  90.00 120.00 P 32 2 1      6          
ORIGX1      1.000000  0.000000  0.000000        0.00000                         
ORIGX2      0.000000  1.000000  0.000000        0.00000                         
ORIGX3      0.000000  0.000000  1.000000        0.00000                         
SCALE1      0.015593  0.009003  0.000000        0.00000                         
SCALE2      0.000000  0.018005  0.000000        0.00000                         
SCALE3      0.000000  0.000000  0.015713        0.00000