PDB Short entry for 4IBR
HEADER    HYDROLASE                               09-DEC-12   4IBR              
TITLE     CRYSTAL STRUCTURE OF STABILIZED TEM-1 BETA-LACTAMASE VARIANT V.13     
TITLE    2 CARRYING G238S/E104K MUTATIONS                                       
COMPND    MOL_ID: 1;                                                            
COMPND   2 MOLECULE: TEM-94 ES-BETA-LACTAMASE;                                  
COMPND   3 CHAIN: A;                                                            
COMPND   4 EC: 3.5.2.6;                                                         
COMPND   5 ENGINEERED: YES;                                                     
COMPND   6 MUTATION: YES                                                        
SOURCE    MOL_ID: 1;                                                            
SOURCE   2 ORGANISM_SCIENTIFIC: ESCHERICHIA COLI;                               
SOURCE   3 ORGANISM_TAXID: 562;                                                 
SOURCE   4 GENE: BLA-TEM-94;                                                    
SOURCE   5 EXPRESSION_SYSTEM: ESCHERICHIA COLI;                                 
SOURCE   6 EXPRESSION_SYSTEM_TAXID: 562                                         
KEYWDS    BETA-LACTAMASE, HYDROLASE                                             
EXPDTA    X-RAY DIFFRACTION                                                     
AUTHOR    E.DELLUS-GUR,A.TOTH-PETROCZY,M.ELIAS,D.S.TAWFIK                       
REVDAT   5   20-SEP-23 4IBR    1       REMARK SEQADV LINK                       
REVDAT   4   15-NOV-17 4IBR    1       REMARK                                   
REVDAT   3   17-JUL-13 4IBR    1       JRNL                                     
REVDAT   2   17-APR-13 4IBR    1       JRNL                                     
REVDAT   1   03-APR-13 4IBR    0                                                
JRNL        AUTH   E.DELLUS-GUR,A.TOTH-PETROCZY,M.ELIAS,D.S.TAWFIK              
JRNL        TITL   WHAT MAKES A PROTEIN FOLD AMENABLE TO FUNCTIONAL INNOVATION? 
JRNL        TITL 2 FOLD POLARITY AND STABILITY TRADE-OFFS.                      
JRNL        REF    J.MOL.BIOL.                   V. 425  2609 2013              
JRNL        REFN                   ISSN 0022-2836                               
JRNL        PMID   23542341                                                     
JRNL        DOI    10.1016/J.JMB.2013.03.033                                    
REMARK   2                                                                      
REMARK   2 RESOLUTION.    2.20 ANGSTROMS.                                       
REMARK   3                                                                      
REMARK   3 REFINEMENT.                                                          
REMARK   3   PROGRAM     : REFMAC 5.5.0109                                      
REMARK   3   AUTHORS     : MURSHUDOV,SKUBAK,LEBEDEV,PANNU,STEINER,              
REMARK   3               : NICHOLLS,WINN,LONG,VAGIN                             
REMARK   3                                                                      
REMARK   3    REFINEMENT TARGET : MAXIMUM LIKELIHOOD                            
REMARK   3                                                                      
REMARK   3  DATA USED IN REFINEMENT.                                            
REMARK   3   RESOLUTION RANGE HIGH (ANGSTROMS) : 2.20                           
REMARK   3   RESOLUTION RANGE LOW  (ANGSTROMS) : 67.96                          
REMARK   3   DATA CUTOFF            (SIGMA(F)) : NULL                           
REMARK   3   COMPLETENESS FOR RANGE        (%) : 100.0                          
REMARK   3   NUMBER OF REFLECTIONS             : 11565                          
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) : 0.198                           
REMARK   3   R VALUE            (WORKING SET) : 0.195                           
REMARK   3   FREE R VALUE                     : 0.247                           
REMARK   3   FREE R VALUE TEST SET SIZE   (%) : 5.000                           
REMARK   3   FREE R VALUE TEST SET COUNT      : 609                             
REMARK   3                                                                      
REMARK   3  FIT IN THE HIGHEST RESOLUTION BIN.                                  
REMARK   3   TOTAL NUMBER OF BINS USED           : 20                           
REMARK   3   BIN RESOLUTION RANGE HIGH       (A) : 2.20                         
REMARK   3   BIN RESOLUTION RANGE LOW        (A) : 2.26                         
REMARK   3   REFLECTION IN BIN     (WORKING SET) : 836                          
REMARK   3   BIN COMPLETENESS (WORKING+TEST) (%) : 100.0                        
REMARK   3   BIN R VALUE           (WORKING SET) : 0.2310                       
REMARK   3   BIN FREE R VALUE SET COUNT          : 44                           
REMARK   3   BIN FREE R VALUE                    : 0.3060                       
REMARK   3                                                                      
REMARK   3  NUMBER OF NON-HYDROGEN ATOMS USED IN REFINEMENT.                    
REMARK   3   PROTEIN ATOMS            : 2017                                    
REMARK   3   NUCLEIC ACID ATOMS       : 0                                       
REMARK   3   HETEROGEN ATOMS          : 13                                      
REMARK   3   SOLVENT ATOMS            : 59                                      
REMARK   3                                                                      
REMARK   3  B VALUES.                                                           
REMARK   3   FROM WILSON PLOT           (A**2) : NULL                           
REMARK   3   MEAN B VALUE      (OVERALL, A**2) : 21.16                          
REMARK   3   OVERALL ANISOTROPIC B VALUE.                                       
REMARK   3    B11 (A**2) : -0.29000                                             
REMARK   3    B22 (A**2) : 0.35000                                              
REMARK   3    B33 (A**2) : -0.11000                                             
REMARK   3    B12 (A**2) : 0.00000                                              
REMARK   3    B13 (A**2) : -0.35000                                             
REMARK   3    B23 (A**2) : 0.00000                                              
REMARK   3                                                                      
REMARK   3  ESTIMATED OVERALL COORDINATE ERROR.                                 
REMARK   3   ESU BASED ON R VALUE                            (A): 0.355         
REMARK   3   ESU BASED ON FREE R VALUE                       (A): 0.236         
REMARK   3   ESU BASED ON MAXIMUM LIKELIHOOD                 (A): 0.169         
REMARK   3   ESU FOR B VALUES BASED ON MAXIMUM LIKELIHOOD (A**2): 6.550         
REMARK   3                                                                      
REMARK   3 CORRELATION COEFFICIENTS.                                            
REMARK   3   CORRELATION COEFFICIENT FO-FC      : 0.933                         
REMARK   3   CORRELATION COEFFICIENT FO-FC FREE : 0.894                         
REMARK   3                                                                      
REMARK   3  RMS DEVIATIONS FROM IDEAL VALUES        COUNT    RMS    WEIGHT      
REMARK   3   BOND LENGTHS REFINED ATOMS        (A):  2077 ; 0.005 ; 0.022       
REMARK   3   BOND LENGTHS OTHERS               (A):  NULL ;  NULL ;  NULL       
REMARK   3   BOND ANGLES REFINED ATOMS   (DEGREES):  2817 ; 0.899 ; 1.982       
REMARK   3   BOND ANGLES OTHERS          (DEGREES):  NULL ;  NULL ;  NULL       
REMARK   3   TORSION ANGLES, PERIOD 1    (DEGREES):   266 ; 4.601 ; 5.000       
REMARK   3   TORSION ANGLES, PERIOD 2    (DEGREES):    88 ;34.161 ;23.977       
REMARK   3   TORSION ANGLES, PERIOD 3    (DEGREES):   367 ;12.479 ;15.000       
REMARK   3   TORSION ANGLES, PERIOD 4    (DEGREES):    17 ;19.005 ;15.000       
REMARK   3   CHIRAL-CENTER RESTRAINTS       (A**3):   323 ; 0.061 ; 0.200       
REMARK   3   GENERAL PLANES REFINED ATOMS      (A):  1548 ; 0.003 ; 0.021       
REMARK   3   GENERAL PLANES OTHERS             (A):  NULL ;  NULL ;  NULL       
REMARK   3   NON-BONDED CONTACTS REFINED ATOMS (A):  NULL ;  NULL ;  NULL       
REMARK   3   NON-BONDED CONTACTS OTHERS        (A):  NULL ;  NULL ;  NULL       
REMARK   3   NON-BONDED TORSION REFINED ATOMS  (A):  NULL ;  NULL ;  NULL       
REMARK   3   NON-BONDED TORSION OTHERS         (A):  NULL ;  NULL ;  NULL       
REMARK   3   H-BOND (X...Y) REFINED ATOMS      (A):  NULL ;  NULL ;  NULL       
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):  NULL ;  NULL ;  NULL       
REMARK   3   SYMMETRY VDW OTHERS               (A):  NULL ;  NULL ;  NULL       
REMARK   3   SYMMETRY H-BOND REFINED ATOMS     (A):  NULL ;  NULL ;  NULL       
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):  1311 ; 1.213 ; 1.500       
REMARK   3   MAIN-CHAIN BOND OTHER ATOMS    (A**2):  NULL ;  NULL ;  NULL       
REMARK   3   MAIN-CHAIN ANGLE REFINED ATOMS (A**2):  2109 ; 1.987 ; 2.000       
REMARK   3   MAIN-CHAIN ANGLE OTHER ATOMS   (A**2):  NULL ;  NULL ;  NULL       
REMARK   3   SIDE-CHAIN BOND REFINED ATOMS  (A**2):   766 ; 3.222 ; 3.000       
REMARK   3   SIDE-CHAIN BOND OTHER ATOMS    (A**2):  NULL ;  NULL ;  NULL       
REMARK   3   SIDE-CHAIN ANGLE REFINED ATOMS (A**2):   706 ; 4.815 ; 4.500       
REMARK   3   SIDE-CHAIN ANGLE OTHER ATOMS   (A**2):  NULL ;  NULL ;  NULL       
REMARK   3   LONG RANGE B REFINED ATOMS     (A**2):  NULL ;  NULL ;  NULL       
REMARK   3   LONG RANGE B OTHER ATOMS       (A**2):  NULL ;  NULL ;  NULL       
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 : MASK                                                 
REMARK   3   PARAMETERS FOR MASK CALCULATION                                    
REMARK   3   VDW PROBE RADIUS   : 1.40                                          
REMARK   3   ION PROBE RADIUS   : 0.80                                          
REMARK   3   SHRINKAGE RADIUS   : 0.80                                          
REMARK   3                                                                      
REMARK   3  OTHER REFINEMENT REMARKS: NULL                                      
REMARK   4                                                                      
REMARK   4 4IBR COMPLIES WITH FORMAT V. 3.30, 13-JUL-11                         
REMARK 100                                                                      
REMARK 100 THIS ENTRY HAS BEEN PROCESSED BY RCSB ON 11-DEC-12.                  
REMARK 100 THE DEPOSITION ID IS D_1000076554.                                   
REMARK 200                                                                      
REMARK 200 EXPERIMENTAL DETAILS                                                 
REMARK 200  EXPERIMENT TYPE                : X-RAY DIFFRACTION                  
REMARK 200  DATE OF DATA COLLECTION        : 13-SEP-11                          
REMARK 200  TEMPERATURE           (KELVIN) : 100                                
REMARK 200  PH                             : 6.7                                
REMARK 200  NUMBER OF CRYSTALS USED        : 1                                  
REMARK 200                                                                      
REMARK 200  SYNCHROTRON              (Y/N) : N                                  
REMARK 200  RADIATION SOURCE               : ROTATING ANODE                     
REMARK 200  BEAMLINE                       : NULL                               
REMARK 200  X-RAY GENERATOR MODEL          : RIGAKU                             
REMARK 200  MONOCHROMATIC OR LAUE    (M/L) : M                                  
REMARK 200  WAVELENGTH OR RANGE        (A) : 1.54178                            
REMARK 200  MONOCHROMATOR                  : NULL                               
REMARK 200  OPTICS                         : NULL                               
REMARK 200                                                                      
REMARK 200  DETECTOR TYPE                  : IMAGE PLATE                        
REMARK 200  DETECTOR MANUFACTURER          : RIGAKU RAXIS IV++                  
REMARK 200  INTENSITY-INTEGRATION SOFTWARE : XDS                                
REMARK 200  DATA SCALING SOFTWARE          : XSCALE                             
REMARK 200                                                                      
REMARK 200  NUMBER OF UNIQUE REFLECTIONS   : 12175                              
REMARK 200  RESOLUTION RANGE HIGH      (A) : 2.200                              
REMARK 200  RESOLUTION RANGE LOW       (A) : 80.000                             
REMARK 200  REJECTION CRITERIA  (SIGMA(I)) : 3.000                              
REMARK 200                                                                      
REMARK 200 OVERALL.                                                             
REMARK 200  COMPLETENESS FOR RANGE     (%) : 96.7                               
REMARK 200  DATA REDUNDANCY                : NULL                               
REMARK 200  R MERGE                    (I) : NULL                               
REMARK 200  R SYM                      (I) : 0.11300                            
REMARK 200  <I/SIGMA(I)> FOR THE DATA SET  : NULL                               
REMARK 200                                                                      
REMARK 200 IN THE HIGHEST RESOLUTION SHELL.                                     
REMARK 200  HIGHEST RESOLUTION SHELL, RANGE HIGH (A) : NULL                     
REMARK 200  HIGHEST RESOLUTION SHELL, RANGE LOW  (A) : NULL                     
REMARK 200  COMPLETENESS FOR SHELL     (%) : NULL                               
REMARK 200  DATA REDUNDANCY IN SHELL       : NULL                               
REMARK 200  R MERGE FOR SHELL          (I) : NULL                               
REMARK 200  R SYM FOR SHELL            (I) : NULL                               
REMARK 200  <I/SIGMA(I)> FOR SHELL         : NULL                               
REMARK 200                                                                      
REMARK 200 DIFFRACTION PROTOCOL: SINGLE WAVELENGTH                              
REMARK 200 METHOD USED TO DETERMINE THE STRUCTURE: MOLECULAR REPLACEMENT        
REMARK 200 SOFTWARE USED: MOLREP                                                
REMARK 200 STARTING MODEL: PDB ENTRY 1ZG4                                       
REMARK 200                                                                      
REMARK 200 REMARK: NULL                                                         
REMARK 280                                                                      
REMARK 280 CRYSTAL                                                              
REMARK 280 SOLVENT CONTENT, VS   (%): 42.64                                     
REMARK 280 MATTHEWS COEFFICIENT, VM (ANGSTROMS**3/DA): 2.14                     
REMARK 280                                                                      
REMARK 280 CRYSTALLIZATION CONDITIONS: 11% (WT/VOL) POLYETHYLENE GLYCOL (PEG)   
REMARK 280  8000, 100 MM MES BUFFER PH 6.7, 200MM CA(OAC)2 AND 10 M ZNCL2,      
REMARK 280  VAPOR DIFFUSION, HANGING DROP, TEMPERATURE 293K                     
REMARK 290                                                                      
REMARK 290 CRYSTALLOGRAPHIC SYMMETRY                                            
REMARK 290 SYMMETRY OPERATORS FOR SPACE GROUP: C 1 2 1                          
REMARK 290                                                                      
REMARK 290      SYMOP   SYMMETRY                                                
REMARK 290     NNNMMM   OPERATOR                                                
REMARK 290       1555   X,Y,Z                                                   
REMARK 290       2555   -X,Y,-Z                                                 
REMARK 290       3555   X+1/2,Y+1/2,Z                                           
REMARK 290       4555   -X+1/2,Y+1/2,-Z                                         
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 -1.000000  0.000000  0.000000        0.00000            
REMARK 290   SMTRY2   2  0.000000  1.000000  0.000000        0.00000            
REMARK 290   SMTRY3   2  0.000000  0.000000 -1.000000        0.00000            
REMARK 290   SMTRY1   3  1.000000  0.000000  0.000000       68.12000            
REMARK 290   SMTRY2   3  0.000000  1.000000  0.000000       23.30000            
REMARK 290   SMTRY3   3  0.000000  0.000000  1.000000        0.00000            
REMARK 290   SMTRY1   4 -1.000000  0.000000  0.000000       68.12000            
REMARK 290   SMTRY2   4  0.000000  1.000000  0.000000       23.30000            
REMARK 290   SMTRY3   4  0.000000  0.000000 -1.000000        0.00000            
REMARK 290                                                                      
REMARK 290 REMARK: NULL                                                         
REMARK 300                                                                      
REMARK 300 BIOMOLECULE: 1, 2                                                    
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 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 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 350                                                                      
REMARK 350 BIOMOLECULE: 2                                                       
REMARK 350 SOFTWARE DETERMINED QUATERNARY STRUCTURE: DIMERIC                    
REMARK 350 SOFTWARE USED: PISA                                                  
REMARK 350 TOTAL BURIED SURFACE AREA: 1700 ANGSTROM**2                          
REMARK 350 SURFACE AREA OF THE COMPLEX: 20560 ANGSTROM**2                       
REMARK 350 CHANGE IN SOLVENT FREE ENERGY: -32.0 KCAL/MOL                        
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 350   BIOMT1   2 -1.000000  0.000000  0.000000        0.00000            
REMARK 350   BIOMT2   2  0.000000  1.000000  0.000000        0.00000            
REMARK 350   BIOMT3   2  0.000000  0.000000 -1.000000        0.00000            
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   ND1  HIS A   157     O    HOH A   453              1.99            
REMARK 500   O    HOH A   408     O    HOH A   454              2.18            
REMARK 500                                                                      
REMARK 500 REMARK: NULL                                                         
REMARK 500                                                                      
REMARK 500 GEOMETRY AND STEREOCHEMISTRY                                         
REMARK 500 SUBTOPIC: CLOSE CONTACTS                                             
REMARK 500                                                                      
REMARK 500 THE FOLLOWING ATOMS THAT ARE RELATED BY CRYSTALLOGRAPHIC             
REMARK 500 SYMMETRY ARE IN CLOSE CONTACT.  AN ATOM LOCATED WITHIN 0.15          
REMARK 500 ANGSTROMS OF A SYMMETRY RELATED ATOM IS ASSUMED TO BE ON A           
REMARK 500 SPECIAL POSITION AND IS, THEREFORE, LISTED IN REMARK 375             
REMARK 500 INSTEAD OF REMARK 500.  ATOMS WITH NON-BLANK ALTERNATE               
REMARK 500 LOCATION INDICATORS ARE NOT INCLUDED IN THE CALCULATIONS.            
REMARK 500                                                                      
REMARK 500 DISTANCE CUTOFF:                                                     
REMARK 500 2.2 ANGSTROMS FOR CONTACTS NOT INVOLVING HYDROGEN ATOMS              
REMARK 500 1.6 ANGSTROMS FOR CONTACTS INVOLVING HYDROGEN ATOMS                  
REMARK 500                                                                      
REMARK 500  ATM1  RES C  SSEQI   ATM2  RES C  SSEQI  SSYMOP   DISTANCE          
REMARK 500   O    PRO A   173     O    ASN A   174     2555     1.64            
REMARK 500                                                                      
REMARK 500 REMARK: NULL                                                         
REMARK 500                                                                      
REMARK 500 GEOMETRY AND STEREOCHEMISTRY                                         
REMARK 500 SUBTOPIC: COVALENT BOND LENGTHS                                      
REMARK 500                                                                      
REMARK 500 THE STEREOCHEMICAL PARAMETERS OF THE FOLLOWING RESIDUES              
REMARK 500 HAVE VALUES WHICH DEVIATE FROM EXPECTED VALUES BY MORE               
REMARK 500 THAN 6*RMSD (M=MODEL NUMBER; RES=RESIDUE NAME; C=CHAIN               
REMARK 500 IDENTIFIER; SSEQ=SEQUENCE NUMBER; I=INSERTION CODE).                 
REMARK 500                                                                      
REMARK 500 STANDARD TABLE:                                                      
REMARK 500 FORMAT: (10X,I3,1X,2(A3,1X,A1,I4,A1,1X,A4,3X),1X,F6.3)               
REMARK 500                                                                      
REMARK 500 EXPECTED VALUES PROTEIN: ENGH AND HUBER, 1999                        
REMARK 500 EXPECTED VALUES NUCLEIC ACID: CLOWNEY ET AL 1996                     
REMARK 500                                                                      
REMARK 500  M RES CSSEQI ATM1   RES CSSEQI ATM2   DEVIATION                     
REMARK 500    HIS A 157   NE2   HIS A 157   CD2    -0.117                       
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                                                                      
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    GLU A  27      162.28    -41.39                                   
REMARK 500    GLU A  27      163.35    -43.53                                   
REMARK 500    MET A  68     -151.28     61.54                                   
REMARK 500    TYR A 104       85.55     56.35                                   
REMARK 500    SER A 105       56.00   -143.29                                   
REMARK 500    ALA A 171       50.59     32.20                                   
REMARK 500    PRO A 173      117.16    -36.25                                   
REMARK 500    LEU A 219     -121.60    -95.56                                   
REMARK 500    SER A 237     -152.35   -143.14                                   
REMARK 500    ARG A 239       93.55     11.92                                   
REMARK 500                                                                      
REMARK 500 REMARK: NULL                                                         
REMARK 620                                                                      
REMARK 620 METAL COORDINATION                                                   
REMARK 620 (M=MODEL NUMBER; RES=RESIDUE NAME; C=CHAIN IDENTIFIER;               
REMARK 620 SSEQ=SEQUENCE NUMBER; I=INSERTION CODE):                             
REMARK 620                                                                      
REMARK 620 COORDINATION ANGLES FOR:  M RES CSSEQI METAL                         
REMARK 620                              CA A 301  CA                            
REMARK 620 N RES CSSEQI ATOM                                                    
REMARK 620 1 GLU A  36   OE2                                                    
REMARK 620 2 HOH A 401   O    90.2                                              
REMARK 620 3 HOH A 404   O    86.5  75.7                                        
REMARK 620 N                    1     2                                         
REMARK 800                                                                      
REMARK 800 SITE                                                                 
REMARK 800 SITE_IDENTIFIER: AC1                                                 
REMARK 800 EVIDENCE_CODE: SOFTWARE                                              
REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE CA A 301                  
REMARK 800                                                                      
REMARK 800 SITE_IDENTIFIER: AC2                                                 
REMARK 800 EVIDENCE_CODE: SOFTWARE                                              
REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE MES A 302                 
REMARK 900                                                                      
REMARK 900 RELATED ENTRIES                                                      
REMARK 900 RELATED ID: 1L7U   RELATED DB: PDB                                   
REMARK 900 WILD TYPE PROTEIN STRUCTURE AT 0.85 A RESOLUTION                     
REMARK 900 RELATED ID: 1ERO   RELATED DB: PDB                                   
REMARK 900 SAME PROTEIN COMPLEX WITH A DESIGNED BORONIC ACID INHIBITOR (1R)-2-  
REMARK 900 PHENYLACETAMIDO-2-(3-CARBOXYPHENYL)ETHYL BORONIC ACID                
REMARK 900 RELATED ID: 4IBX   RELATED DB: PDB                                   
DBREF  4IBR A   25   287  UNP    P62593   BLAT_ECOLX      24    286             
SEQADV 4IBR GLY A   41  UNP  P62593    ALA    40 ENGINEERED MUTATION            
SEQADV 4IBR ALA A   51  UNP  P62593    ASN    50 ENGINEERED MUTATION            
SEQADV 4IBR LYS A  103  UNP  P62593    GLU   102 ENGINEERED MUTATION            
SEQADV 4IBR GLY A  119  UNP  P62593    ARG   118 ENGINEERED MUTATION            
SEQADV 4IBR THR A  181  UNP  P62593    MET   180 ENGINEERED MUTATION            
SEQADV 4IBR VAL A  183  UNP  P62593    ALA   182 CONFLICT                       
SEQADV 4IBR ALA A  200  UNP  P62593    LEU   199 ENGINEERED MUTATION            
SEQADV 4IBR SER A  237  UNP  P62593    GLY   236 ENGINEERED MUTATION            
SEQADV 4IBR MET A  262  UNP  P62593    THR   261 ENGINEERED MUTATION            
SEQRES   1 A  263  HIS PRO GLU THR LEU VAL LYS VAL LYS ASP ALA GLU ASP          
SEQRES   2 A  263  GLN LEU GLY GLY ARG VAL GLY TYR ILE GLU LEU ASP LEU          
SEQRES   3 A  263  ALA SER GLY LYS ILE LEU GLU SER PHE ARG PRO GLU GLU          
SEQRES   4 A  263  ARG PHE PRO MET MET SER THR PHE LYS VAL LEU LEU CYS          
SEQRES   5 A  263  GLY ALA VAL LEU SER ARG VAL ASP ALA GLY GLN GLU GLN          
SEQRES   6 A  263  LEU GLY ARG ARG ILE HIS TYR SER GLN ASN ASP LEU VAL          
SEQRES   7 A  263  LYS TYR SER PRO VAL THR GLU LYS HIS LEU THR ASP GLY          
SEQRES   8 A  263  MET THR VAL GLY GLU LEU CYS SER ALA ALA ILE THR MET          
SEQRES   9 A  263  SER ASP ASN THR ALA ALA ASN LEU LEU LEU THR THR ILE          
SEQRES  10 A  263  GLY GLY PRO LYS GLU LEU THR ALA PHE LEU HIS ASN MET          
SEQRES  11 A  263  GLY ASP HIS VAL THR ARG LEU ASP ARG TRP GLU PRO GLU          
SEQRES  12 A  263  LEU ASN GLU ALA ILE PRO ASN ASP GLU ARG ASP THR THR          
SEQRES  13 A  263  THR PRO VAL ALA MET ALA THR THR LEU ARG LYS LEU LEU          
SEQRES  14 A  263  THR GLY GLU LEU LEU THR ALA ALA SER ARG GLN GLN LEU          
SEQRES  15 A  263  ILE ASP TRP MET GLU ALA ASP LYS VAL ALA GLY PRO LEU          
SEQRES  16 A  263  LEU ARG SER ALA LEU PRO ALA GLY TRP PHE ILE ALA ASP          
SEQRES  17 A  263  LYS SER GLY ALA SER GLU ARG GLY SER ARG GLY ILE ILE          
SEQRES  18 A  263  ALA ALA LEU GLY PRO ASP GLY LYS PRO SER ARG ILE VAL          
SEQRES  19 A  263  VAL ILE TYR MET THR GLY SER GLN ALA THR MET ASP GLU          
SEQRES  20 A  263  ARG ASN ARG GLN ILE ALA GLU ILE GLY ALA SER LEU ILE          
SEQRES  21 A  263  LYS HIS TRP                                                  
HET     CA  A 301       1                                                       
HET    MES  A 302      12                                                       
HETNAM      CA CALCIUM ION                                                      
HETNAM     MES 2-(N-MORPHOLINO)-ETHANESULFONIC ACID                             
FORMUL   2   CA    CA 2+                                                        
FORMUL   3  MES    C6 H13 N O4 S                                                
FORMUL   4  HOH   *59(H2 O)                                                     
HELIX    1   1 GLU A   27  GLY A   40  1                                  14    
HELIX    2   2 THR A   70  ALA A   85  1                                  16    
HELIX    3   3 SER A   97  LEU A  101  5                                   5    
HELIX    4   4 VAL A  107  HIS A  111  5                                   5    
HELIX    5   5 VAL A  118  MET A  128  1                                  11    
HELIX    6   6 ASP A  130  GLY A  142  1                                  13    
HELIX    7   7 GLY A  143  MET A  154  1                                  12    
HELIX    8   8 PRO A  166  GLU A  170  5                                   5    
HELIX    9   9 THR A  181  GLY A  195  1                                  15    
HELIX   10  10 THR A  199  ALA A  212  1                                  14    
HELIX   11  11 LEU A  219  LEU A  224  5                                   6    
HELIX   12  12 THR A  268  HIS A  286  1                                  19    
SHEET    1   A 5 ILE A  55  PHE A  59  0                                        
SHEET    2   A 5 ARG A  42  ASP A  49 -1  N  GLU A  47   O  LEU A  56           
SHEET    3   A 5 ARG A 256  THR A 263 -1  O  TYR A 261   N  GLY A  44           
SHEET    4   A 5 ARG A 242  GLY A 249 -1  N  ILE A 244   O  ILE A 260           
SHEET    5   A 5 PHE A 229  ALA A 236 -1  N  PHE A 229   O  GLY A 249           
SHEET    1   B 2 PHE A  65  PRO A  66  0                                        
SHEET    2   B 2 THR A 179  THR A 180 -1  O  THR A 180   N  PHE A  65           
SHEET    1   C 2 ARG A  93  ILE A  94  0                                        
SHEET    2   C 2 MET A 116  THR A 117 -1  O  MET A 116   N  ILE A  94           
SSBOND   1 CYS A   76    CYS A  122                          1555   1555  2.04  
LINK         OE2 GLU A  36                CA    CA A 301     1555   1555  2.44  
LINK        CA    CA A 301                 O   HOH A 401     1555   1555  2.58  
LINK        CA    CA A 301                 O   HOH A 404     1555   1555  2.49  
CISPEP   1 GLU A  165    PRO A  166          0         2.18                     
CISPEP   2 ARG A  239    GLY A  240          0       -16.42                     
SITE     1 AC1  3 GLU A  36  HOH A 401  HOH A 404                               
SITE     1 AC2  7 SER A  69  SER A 129  LYS A 233  SER A 234                    
SITE     2 AC2  7 GLY A 235  ALA A 236  ARG A 242                               
CRYST1  136.240   46.600   39.000  90.00  93.87  90.00 C 1 2 1       4          
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      0.007340  0.000000  0.000496        0.00000                         
SCALE2      0.000000  0.021459  0.000000        0.00000                         
SCALE3      0.000000  0.000000  0.025700        0.00000