PDB Short entry for 2HDQ
HEADER    HYDROLASE                               20-JUN-06   2HDQ              
TITLE     AMPC BETA-LACTAMASE IN COMPLEX WITH 2-CARBOXYTHIOPHENE                
COMPND    MOL_ID: 1;                                                            
COMPND   2 MOLECULE: BETA-LACTAMASE;                                            
COMPND   3 CHAIN: A, B;                                                         
COMPND   4 SYNONYM: CEPHALOSPORINASE;                                           
COMPND   5 EC: 3.5.2.6;                                                         
COMPND   6 ENGINEERED: YES                                                      
SOURCE    MOL_ID: 1;                                                            
SOURCE   2 ORGANISM_SCIENTIFIC: ESCHERICHIA COLI K12;                           
SOURCE   3 ORGANISM_TAXID: 83333;                                               
SOURCE   4 STRAIN: K-12;                                                        
SOURCE   5 GENE: AMPC;                                                          
SOURCE   6 EXPRESSION_SYSTEM: ESCHERICHIA COLI;                                 
SOURCE   7 EXPRESSION_SYSTEM_TAXID: 562;                                        
SOURCE   8 EXPRESSION_SYSTEM_STRAIN: JM109                                      
KEYWDS    FRAGMENT-BASED BETA-LACTAMASE AMPC DRUG DESIGN, HYDROLASE             
EXPDTA    X-RAY DIFFRACTION                                                     
AUTHOR    K.BABAOGLU,B.K.SHOICHET                                               
REVDAT   4   30-AUG-23 2HDQ    1       REMARK                                   
REVDAT   3   24-FEB-09 2HDQ    1       VERSN                                    
REVDAT   2   05-DEC-06 2HDQ    1       JRNL                                     
REVDAT   1   07-NOV-06 2HDQ    0                                                
JRNL        AUTH   K.BABAOGLU,B.K.SHOICHET                                      
JRNL        TITL   DECONSTRUCTING FRAGMENT-BASED INHIBITOR DISCOVERY            
JRNL        REF    NAT.CHEM.BIOL.                V.   2   720 2006              
JRNL        REFN                   ISSN 1552-4450                               
JRNL        PMID   17072304                                                     
JRNL        DOI    10.1038/NCHEMBIO831                                          
REMARK   2                                                                      
REMARK   2 RESOLUTION.    2.10 ANGSTROMS.                                       
REMARK   3                                                                      
REMARK   3 REFINEMENT.                                                          
REMARK   3   PROGRAM     : REFMAC                                               
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) : 2.10                           
REMARK   3   RESOLUTION RANGE LOW  (ANGSTROMS) : 30.00                          
REMARK   3   DATA CUTOFF            (SIGMA(F)) : 0.000                          
REMARK   3   COMPLETENESS FOR RANGE        (%) : 90.7                           
REMARK   3   NUMBER OF REFLECTIONS             : 41236                          
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) : 0.183                           
REMARK   3   R VALUE            (WORKING SET) : 0.183                           
REMARK   3   FREE R VALUE                     : 0.227                           
REMARK   3   FREE R VALUE TEST SET SIZE   (%) : 5.100                           
REMARK   3   FREE R VALUE TEST SET COUNT      : 2085                            
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) : 2.10                         
REMARK   3   BIN RESOLUTION RANGE LOW        (A) : 2.16                         
REMARK   3   REFLECTION IN BIN     (WORKING SET) : 2341                         
REMARK   3   BIN COMPLETENESS (WORKING+TEST) (%) : 74.28                        
REMARK   3   BIN R VALUE           (WORKING SET) : 0.2280                       
REMARK   3   BIN FREE R VALUE SET COUNT          : 137                          
REMARK   3   BIN FREE R VALUE                    : 0.2930                       
REMARK   3                                                                      
REMARK   3  NUMBER OF NON-HYDROGEN ATOMS USED IN REFINEMENT.                    
REMARK   3   PROTEIN ATOMS            : 5600                                    
REMARK   3   NUCLEIC ACID ATOMS       : 0                                       
REMARK   3   HETEROGEN ATOMS          : 96                                      
REMARK   3   SOLVENT ATOMS            : 486                                     
REMARK   3                                                                      
REMARK   3  B VALUES.                                                           
REMARK   3   FROM WILSON PLOT           (A**2) : NULL                           
REMARK   3   MEAN B VALUE      (OVERALL, A**2) : 18.11                          
REMARK   3   OVERALL ANISOTROPIC B VALUE.                                       
REMARK   3    B11 (A**2) : -0.54000                                             
REMARK   3    B22 (A**2) : -0.03000                                             
REMARK   3    B33 (A**2) : 0.99000                                              
REMARK   3    B12 (A**2) : 0.00000                                              
REMARK   3    B13 (A**2) : 0.48000                                              
REMARK   3    B23 (A**2) : 0.00000                                              
REMARK   3                                                                      
REMARK   3  ESTIMATED OVERALL COORDINATE ERROR.                                 
REMARK   3   ESU BASED ON R VALUE                            (A): 0.263         
REMARK   3   ESU BASED ON FREE R VALUE                       (A): 0.199         
REMARK   3   ESU BASED ON MAXIMUM LIKELIHOOD                 (A): 0.133         
REMARK   3   ESU FOR B VALUES BASED ON MAXIMUM LIKELIHOOD (A**2): 4.963         
REMARK   3                                                                      
REMARK   3 CORRELATION COEFFICIENTS.                                            
REMARK   3   CORRELATION COEFFICIENT FO-FC      : 0.950                         
REMARK   3   CORRELATION COEFFICIENT FO-FC FREE : 0.928                         
REMARK   3                                                                      
REMARK   3  RMS DEVIATIONS FROM IDEAL VALUES        COUNT    RMS    WEIGHT      
REMARK   3   BOND LENGTHS REFINED ATOMS        (A):  5837 ; 0.011 ; 0.022       
REMARK   3   BOND LENGTHS OTHERS               (A):  3862 ; 0.001 ; 0.020       
REMARK   3   BOND ANGLES REFINED ATOMS   (DEGREES):  7970 ; 1.526 ; 1.962       
REMARK   3   BOND ANGLES OTHERS          (DEGREES):  9429 ; 0.991 ; 3.000       
REMARK   3   TORSION ANGLES, PERIOD 1    (DEGREES):   714 ; 6.506 ; 5.000       
REMARK   3   TORSION ANGLES, PERIOD 2    (DEGREES):   245 ;36.029 ;24.776       
REMARK   3   TORSION ANGLES, PERIOD 3    (DEGREES):   895 ;13.615 ;15.000       
REMARK   3   TORSION ANGLES, PERIOD 4    (DEGREES):    22 ;14.137 ;15.000       
REMARK   3   CHIRAL-CENTER RESTRAINTS       (A**3):   854 ; 0.072 ; 0.200       
REMARK   3   GENERAL PLANES REFINED ATOMS      (A):  6530 ; 0.004 ; 0.020       
REMARK   3   GENERAL PLANES OTHERS             (A):  1146 ; 0.001 ; 0.020       
REMARK   3   NON-BONDED CONTACTS REFINED ATOMS (A):  1163 ; 0.193 ; 0.200       
REMARK   3   NON-BONDED CONTACTS OTHERS        (A):  3850 ; 0.188 ; 0.200       
REMARK   3   NON-BONDED TORSION REFINED ATOMS  (A):  2768 ; 0.176 ; 0.200       
REMARK   3   NON-BONDED TORSION OTHERS         (A):  2820 ; 0.085 ; 0.200       
REMARK   3   H-BOND (X...Y) REFINED ATOMS      (A):   392 ; 0.147 ; 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):    21 ; 0.165 ; 0.200       
REMARK   3   SYMMETRY VDW OTHERS               (A):    53 ; 0.259 ; 0.200       
REMARK   3   SYMMETRY H-BOND REFINED ATOMS     (A):    20 ; 0.110 ; 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):  4576 ; 0.860 ; 1.500       
REMARK   3   MAIN-CHAIN BOND OTHER ATOMS    (A**2):  1436 ; 0.133 ; 1.500       
REMARK   3   MAIN-CHAIN ANGLE REFINED ATOMS (A**2):  5766 ; 0.965 ; 2.000       
REMARK   3   MAIN-CHAIN ANGLE OTHER ATOMS   (A**2):  NULL ;  NULL ;  NULL       
REMARK   3   SIDE-CHAIN BOND REFINED ATOMS  (A**2):  2838 ; 1.620 ; 3.000       
REMARK   3   SIDE-CHAIN BOND OTHER ATOMS    (A**2):  NULL ;  NULL ;  NULL       
REMARK   3   SIDE-CHAIN ANGLE REFINED ATOMS (A**2):  2204 ; 2.319 ; 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 2HDQ COMPLIES WITH FORMAT V. 3.30, 13-JUL-11                         
REMARK 100                                                                      
REMARK 100 THIS ENTRY HAS BEEN PROCESSED BY RCSB ON 21-JUN-06.                  
REMARK 100 THE DEPOSITION ID IS D_1000038233.                                   
REMARK 200                                                                      
REMARK 200 EXPERIMENTAL DETAILS                                                 
REMARK 200  EXPERIMENT TYPE                : X-RAY DIFFRACTION                  
REMARK 200  DATE OF DATA COLLECTION        : 08-APR-05                          
REMARK 200  TEMPERATURE           (KELVIN) : 100                                
REMARK 200  PH                             : 8.7                                
REMARK 200  NUMBER OF CRYSTALS USED        : 1                                  
REMARK 200                                                                      
REMARK 200  SYNCHROTRON              (Y/N) : Y                                  
REMARK 200  RADIATION SOURCE               : ALS                                
REMARK 200  BEAMLINE                       : 8.3.1                              
REMARK 200  X-RAY GENERATOR MODEL          : NULL                               
REMARK 200  MONOCHROMATIC OR LAUE    (M/L) : M                                  
REMARK 200  WAVELENGTH OR RANGE        (A) : 1.1                                
REMARK 200  MONOCHROMATOR                  : NULL                               
REMARK 200  OPTICS                         : NULL                               
REMARK 200                                                                      
REMARK 200  DETECTOR TYPE                  : CCD                                
REMARK 200  DETECTOR MANUFACTURER          : ADSC QUANTUM 210                   
REMARK 200  INTENSITY-INTEGRATION SOFTWARE : NULL                               
REMARK 200  DATA SCALING SOFTWARE          : NULL                               
REMARK 200                                                                      
REMARK 200  NUMBER OF UNIQUE REFLECTIONS   : 69905                              
REMARK 200  RESOLUTION RANGE HIGH      (A) : 2.100                              
REMARK 200  RESOLUTION RANGE LOW       (A) : 50.000                             
REMARK 200  REJECTION CRITERIA  (SIGMA(I)) : 0.000                              
REMARK 200                                                                      
REMARK 200 OVERALL.                                                             
REMARK 200  COMPLETENESS FOR RANGE     (%) : 91.0                               
REMARK 200  DATA REDUNDANCY                : 2.500                              
REMARK 200  R MERGE                    (I) : 0.08900                            
REMARK 200  R SYM                      (I) : NULL                               
REMARK 200  <I/SIGMA(I)> FOR THE DATA SET  : 12.8000                            
REMARK 200                                                                      
REMARK 200 IN THE HIGHEST RESOLUTION SHELL.                                     
REMARK 200  HIGHEST RESOLUTION SHELL, RANGE HIGH (A) : 2.10                     
REMARK 200  HIGHEST RESOLUTION SHELL, RANGE LOW  (A) : 2.18                     
REMARK 200  COMPLETENESS FOR SHELL     (%) : 78.5                               
REMARK 200  DATA REDUNDANCY IN SHELL       : 2.20                               
REMARK 200  R MERGE FOR SHELL          (I) : 0.39300                            
REMARK 200  R SYM FOR SHELL            (I) : NULL                               
REMARK 200  <I/SIGMA(I)> FOR SHELL         : 2.200                              
REMARK 200                                                                      
REMARK 200 DIFFRACTION PROTOCOL: SINGLE WAVELENGTH                              
REMARK 200 METHOD USED TO DETERMINE THE STRUCTURE: MOLECULAR REPLACEMENT        
REMARK 200 SOFTWARE USED: NULL                                                  
REMARK 200 STARTING MODEL: PDB ENTRY 1KE4                                       
REMARK 200                                                                      
REMARK 200 REMARK: NULL                                                         
REMARK 280                                                                      
REMARK 280 CRYSTAL                                                              
REMARK 280 SOLVENT CONTENT, VS   (%): 50.53                                     
REMARK 280 MATTHEWS COEFFICIENT, VM (ANGSTROMS**3/DA): 2.49                     
REMARK 280                                                                      
REMARK 280 CRYSTALLIZATION CONDITIONS: 1.7M POTASSIUM PHOSPHATE, PH 8.7,        
REMARK 280  VAPOR DIFFUSION, HANGING DROP, TEMPERATURE 294K                     
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       59.71700            
REMARK 290   SMTRY2   3  0.000000  1.000000  0.000000       37.39050            
REMARK 290   SMTRY3   3  0.000000  0.000000  1.000000        0.00000            
REMARK 290   SMTRY1   4 -1.000000  0.000000  0.000000       59.71700            
REMARK 290   SMTRY2   4  0.000000  1.000000  0.000000       37.39050            
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 300 REMARK: THE BIOLOGICAL UNIT IS A MONOMER                             
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 AUTHOR DETERMINED BIOLOGICAL UNIT: MONOMERIC                         
REMARK 350 APPLY THE FOLLOWING TO CHAINS: B                                     
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 480                                                                      
REMARK 480 ZERO OCCUPANCY ATOM                                                  
REMARK 480 THE FOLLOWING RESIDUES HAVE ATOMS MODELED WITH ZERO                  
REMARK 480 OCCUPANCY. THE LOCATION AND PROPERTIES OF THESE ATOMS                
REMARK 480 MAY NOT BE RELIABLE. (M=MODEL NUMBER; RES=RESIDUE NAME;              
REMARK 480 C=CHAIN IDENTIFIER; SSEQ=SEQUENCE NUMBER; I=INSERTION CODE):         
REMARK 480   M RES C SSEQI ATOMS                                                
REMARK 480     GLN A   22   CD   OE1  NE2                                       
REMARK 480     LYS A   99   CD   CE   NZ                                        
REMARK 480     LYS A  246   CD   CE   NZ                                        
REMARK 480     LYS B   24   CE   NZ                                             
REMARK 480     LYS B  126   CG   CD   CE   NZ                                   
REMARK 480     LYS B  246   CG   CD   CE   NZ                                   
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   198     O    HOH A   599              2.16            
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    LYS B  24   CD    LYS B  24   CE     -0.196                       
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    LYS A 126      -45.62   -131.81                                   
REMARK 500    VAL A 178      -55.11   -123.19                                   
REMARK 500    TYR A 221       17.63   -149.49                                   
REMARK 500    ALA A 307      121.48    -36.05                                   
REMARK 500    ASN A 341       41.97    -97.62                                   
REMARK 500    LYS B 126      -57.59   -128.83                                   
REMARK 500    VAL B 178      -64.80   -123.46                                   
REMARK 500    TYR B 221       25.59   -153.76                                   
REMARK 500    ASN B 341       43.38   -102.82                                   
REMARK 500                                                                      
REMARK 500 REMARK: NULL                                                         
REMARK 800                                                                      
REMARK 800 SITE                                                                 
REMARK 800 SITE_IDENTIFIER: AC1                                                 
REMARK 800 EVIDENCE_CODE: SOFTWARE                                              
REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE C21 A 501                 
REMARK 800                                                                      
REMARK 800 SITE_IDENTIFIER: AC2                                                 
REMARK 800 EVIDENCE_CODE: SOFTWARE                                              
REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE C21 A 502                 
REMARK 800                                                                      
REMARK 800 SITE_IDENTIFIER: AC3                                                 
REMARK 800 EVIDENCE_CODE: SOFTWARE                                              
REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE C21 A 503                 
REMARK 800                                                                      
REMARK 800 SITE_IDENTIFIER: AC4                                                 
REMARK 800 EVIDENCE_CODE: SOFTWARE                                              
REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE C21 B 504                 
REMARK 800                                                                      
REMARK 800 SITE_IDENTIFIER: AC5                                                 
REMARK 800 EVIDENCE_CODE: SOFTWARE                                              
REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE C21 B 505                 
REMARK 800                                                                      
REMARK 800 SITE_IDENTIFIER: AC6                                                 
REMARK 800 EVIDENCE_CODE: SOFTWARE                                              
REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE C21 A 506                 
REMARK 800                                                                      
REMARK 800 SITE_IDENTIFIER: AC7                                                 
REMARK 800 EVIDENCE_CODE: SOFTWARE                                              
REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE C21 B 507                 
REMARK 800                                                                      
REMARK 800 SITE_IDENTIFIER: AC8                                                 
REMARK 800 EVIDENCE_CODE: SOFTWARE                                              
REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE C21 A 508                 
REMARK 800                                                                      
REMARK 800 SITE_IDENTIFIER: AC9                                                 
REMARK 800 EVIDENCE_CODE: SOFTWARE                                              
REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE C21 A 509                 
REMARK 800                                                                      
REMARK 800 SITE_IDENTIFIER: BC1                                                 
REMARK 800 EVIDENCE_CODE: SOFTWARE                                              
REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE C21 B 510                 
REMARK 800                                                                      
REMARK 800 SITE_IDENTIFIER: BC2                                                 
REMARK 800 EVIDENCE_CODE: SOFTWARE                                              
REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE C21 B 511                 
REMARK 800                                                                      
REMARK 800 SITE_IDENTIFIER: BC3                                                 
REMARK 800 EVIDENCE_CODE: SOFTWARE                                              
REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE C21 B 512                 
REMARK 900                                                                      
REMARK 900 RELATED ENTRIES                                                      
REMARK 900 RELATED ID: 2HDR   RELATED DB: PDB                                   
REMARK 900 RELATED ID: 2HDS   RELATED DB: PDB                                   
REMARK 900 RELATED ID: 2HDU   RELATED DB: PDB                                   
DBREF  2HDQ A    4   361  UNP    P00811   AMPC_ECOLI      20    377             
DBREF  2HDQ B    4   361  UNP    P00811   AMPC_ECOLI      20    377             
SEQRES   1 A  358  ALA PRO GLN GLN ILE ASN ASP ILE VAL HIS ARG THR ILE          
SEQRES   2 A  358  THR PRO LEU ILE GLU GLN GLN LYS ILE PRO GLY MET ALA          
SEQRES   3 A  358  VAL ALA VAL ILE TYR GLN GLY LYS PRO TYR TYR PHE THR          
SEQRES   4 A  358  TRP GLY TYR ALA ASP ILE ALA LYS LYS GLN PRO VAL THR          
SEQRES   5 A  358  GLN GLN THR LEU PHE GLU LEU GLY SER VAL SER LYS THR          
SEQRES   6 A  358  PHE THR GLY VAL LEU GLY GLY ASP ALA ILE ALA ARG GLY          
SEQRES   7 A  358  GLU ILE LYS LEU SER ASP PRO THR THR LYS TYR TRP PRO          
SEQRES   8 A  358  GLU LEU THR ALA LYS GLN TRP ASN GLY ILE THR LEU LEU          
SEQRES   9 A  358  HIS LEU ALA THR TYR THR ALA GLY GLY LEU PRO LEU GLN          
SEQRES  10 A  358  VAL PRO ASP GLU VAL LYS SER SER SER ASP LEU LEU ARG          
SEQRES  11 A  358  PHE TYR GLN ASN TRP GLN PRO ALA TRP ALA PRO GLY THR          
SEQRES  12 A  358  GLN ARG LEU TYR ALA ASN SER SER ILE GLY LEU PHE GLY          
SEQRES  13 A  358  ALA LEU ALA VAL LYS PRO SER GLY LEU SER PHE GLU GLN          
SEQRES  14 A  358  ALA MET GLN THR ARG VAL PHE GLN PRO LEU LYS LEU ASN          
SEQRES  15 A  358  HIS THR TRP ILE ASN VAL PRO PRO ALA GLU GLU LYS ASN          
SEQRES  16 A  358  TYR ALA TRP GLY TYR ARG GLU GLY LYS ALA VAL HIS VAL          
SEQRES  17 A  358  SER PRO GLY ALA LEU ASP ALA GLU ALA TYR GLY VAL LYS          
SEQRES  18 A  358  SER THR ILE GLU ASP MET ALA ARG TRP VAL GLN SER ASN          
SEQRES  19 A  358  LEU LYS PRO LEU ASP ILE ASN GLU LYS THR LEU GLN GLN          
SEQRES  20 A  358  GLY ILE GLN LEU ALA GLN SER ARG TYR TRP GLN THR GLY          
SEQRES  21 A  358  ASP MET TYR GLN GLY LEU GLY TRP GLU MET LEU ASP TRP          
SEQRES  22 A  358  PRO VAL ASN PRO ASP SER ILE ILE ASN GLY SER ASP ASN          
SEQRES  23 A  358  LYS ILE ALA LEU ALA ALA ARG PRO VAL LYS ALA ILE THR          
SEQRES  24 A  358  PRO PRO THR PRO ALA VAL ARG ALA SER TRP VAL HIS LYS          
SEQRES  25 A  358  THR GLY ALA THR GLY GLY PHE GLY SER TYR VAL ALA PHE          
SEQRES  26 A  358  ILE PRO GLU LYS GLU LEU GLY ILE VAL MET LEU ALA ASN          
SEQRES  27 A  358  LYS ASN TYR PRO ASN PRO ALA ARG VAL ASP ALA ALA TRP          
SEQRES  28 A  358  GLN ILE LEU ASN ALA LEU GLN                                  
SEQRES   1 B  358  ALA PRO GLN GLN ILE ASN ASP ILE VAL HIS ARG THR ILE          
SEQRES   2 B  358  THR PRO LEU ILE GLU GLN GLN LYS ILE PRO GLY MET ALA          
SEQRES   3 B  358  VAL ALA VAL ILE TYR GLN GLY LYS PRO TYR TYR PHE THR          
SEQRES   4 B  358  TRP GLY TYR ALA ASP ILE ALA LYS LYS GLN PRO VAL THR          
SEQRES   5 B  358  GLN GLN THR LEU PHE GLU LEU GLY SER VAL SER LYS THR          
SEQRES   6 B  358  PHE THR GLY VAL LEU GLY GLY ASP ALA ILE ALA ARG GLY          
SEQRES   7 B  358  GLU ILE LYS LEU SER ASP PRO THR THR LYS TYR TRP PRO          
SEQRES   8 B  358  GLU LEU THR ALA LYS GLN TRP ASN GLY ILE THR LEU LEU          
SEQRES   9 B  358  HIS LEU ALA THR TYR THR ALA GLY GLY LEU PRO LEU GLN          
SEQRES  10 B  358  VAL PRO ASP GLU VAL LYS SER SER SER ASP LEU LEU ARG          
SEQRES  11 B  358  PHE TYR GLN ASN TRP GLN PRO ALA TRP ALA PRO GLY THR          
SEQRES  12 B  358  GLN ARG LEU TYR ALA ASN SER SER ILE GLY LEU PHE GLY          
SEQRES  13 B  358  ALA LEU ALA VAL LYS PRO SER GLY LEU SER PHE GLU GLN          
SEQRES  14 B  358  ALA MET GLN THR ARG VAL PHE GLN PRO LEU LYS LEU ASN          
SEQRES  15 B  358  HIS THR TRP ILE ASN VAL PRO PRO ALA GLU GLU LYS ASN          
SEQRES  16 B  358  TYR ALA TRP GLY TYR ARG GLU GLY LYS ALA VAL HIS VAL          
SEQRES  17 B  358  SER PRO GLY ALA LEU ASP ALA GLU ALA TYR GLY VAL LYS          
SEQRES  18 B  358  SER THR ILE GLU ASP MET ALA ARG TRP VAL GLN SER ASN          
SEQRES  19 B  358  LEU LYS PRO LEU ASP ILE ASN GLU LYS THR LEU GLN GLN          
SEQRES  20 B  358  GLY ILE GLN LEU ALA GLN SER ARG TYR TRP GLN THR GLY          
SEQRES  21 B  358  ASP MET TYR GLN GLY LEU GLY TRP GLU MET LEU ASP TRP          
SEQRES  22 B  358  PRO VAL ASN PRO ASP SER ILE ILE ASN GLY SER ASP ASN          
SEQRES  23 B  358  LYS ILE ALA LEU ALA ALA ARG PRO VAL LYS ALA ILE THR          
SEQRES  24 B  358  PRO PRO THR PRO ALA VAL ARG ALA SER TRP VAL HIS LYS          
SEQRES  25 B  358  THR GLY ALA THR GLY GLY PHE GLY SER TYR VAL ALA PHE          
SEQRES  26 B  358  ILE PRO GLU LYS GLU LEU GLY ILE VAL MET LEU ALA ASN          
SEQRES  27 B  358  LYS ASN TYR PRO ASN PRO ALA ARG VAL ASP ALA ALA TRP          
SEQRES  28 B  358  GLN ILE LEU ASN ALA LEU GLN                                  
HET    C21  A 501       8                                                       
HET    C21  A 502       8                                                       
HET    C21  A 503       8                                                       
HET    C21  A 506       8                                                       
HET    C21  A 508       8                                                       
HET    C21  A 509       8                                                       
HET    C21  B 504       8                                                       
HET    C21  B 505       8                                                       
HET    C21  B 507       8                                                       
HET    C21  B 510       8                                                       
HET    C21  B 511       8                                                       
HET    C21  B 512       8                                                       
HETNAM     C21 THIOPHENE-2-CARBOXYLIC ACID                                      
FORMUL   3  C21    12(C5 H4 O2 S)                                               
FORMUL  15  HOH   *486(H2 O)                                                    
HELIX    1   1 PRO A    5  LYS A   24  1                                  20    
HELIX    2   2 VAL A   65  ARG A   80  1                                  16    
HELIX    3   3 PRO A   88  TYR A   92  5                                   5    
HELIX    4   4 ALA A   98  ASN A  102  5                                   5    
HELIX    5   5 THR A  105  THR A  111  1                                   7    
HELIX    6   6 SER A  127  TRP A  138  1                                  12    
HELIX    7   7 ALA A  151  VAL A  163  1                                  13    
HELIX    8   8 SER A  169  VAL A  178  1                                  10    
HELIX    9   9 VAL A  178  LYS A  183  1                                   6    
HELIX   10  10 PRO A  192  GLU A  196  5                                   5    
HELIX   11  11 LEU A  216  TYR A  221  1                                   6    
HELIX   12  12 THR A  226  LYS A  239  1                                  14    
HELIX   13  13 PRO A  240  ILE A  243  5                                   4    
HELIX   14  14 GLU A  245  GLN A  256  1                                  12    
HELIX   15  15 PRO A  280  ASN A  285  1                                   6    
HELIX   16  16 PRO A  330  LYS A  332  5                                   3    
HELIX   17  17 PRO A  345  GLN A  361  1                                  17    
HELIX   18  18 PRO B    5  LYS B   24  1                                  20    
HELIX   19  19 VAL B   65  ARG B   80  1                                  16    
HELIX   20  20 PRO B   88  TYR B   92  5                                   5    
HELIX   21  21 ALA B   98  ASN B  102  5                                   5    
HELIX   22  22 THR B  105  THR B  111  1                                   7    
HELIX   23  23 SER B  127  TRP B  138  1                                  12    
HELIX   24  24 ALA B  151  VAL B  163  1                                  13    
HELIX   25  25 SER B  169  VAL B  178  1                                  10    
HELIX   26  26 PHE B  179  LYS B  183  5                                   5    
HELIX   27  27 PRO B  192  TYR B  199  5                                   8    
HELIX   28  28 LEU B  216  TYR B  221  1                                   6    
HELIX   29  29 THR B  226  LYS B  239  1                                  14    
HELIX   30  30 PRO B  240  ILE B  243  5                                   4    
HELIX   31  31 GLU B  245  GLN B  256  1                                  12    
HELIX   32  32 ASN B  279  SER B  287  1                                   9    
HELIX   33  33 ASP B  288  LEU B  293  1                                   6    
HELIX   34  34 PRO B  345  GLN B  361  1                                  17    
SHEET    1   A10 GLN A  52  PRO A  53  0                                        
SHEET    2   A10 LYS A  37  ASP A  47 -1  N  ALA A  46   O  GLN A  52           
SHEET    3   A10 GLY A  27  TYR A  34 -1  N  TYR A  34   O  LYS A  37           
SHEET    4   A10 LEU A 334  ALA A 340 -1  O  LEU A 339   N  ALA A  29           
SHEET    5   A10 GLY A 323  ILE A 329 -1  N  ILE A 329   O  LEU A 334           
SHEET    6   A10 SER A 311  ALA A 318 -1  N  GLY A 317   O  SER A 324           
SHEET    7   A10 GLU A 272  ASP A 275 -1  N  LEU A 274   O  TRP A 312           
SHEET    8   A10 MET A 265  GLN A 267 -1  N  TYR A 266   O  MET A 273           
SHEET    9   A10 ARG A 258  THR A 262 -1  N  THR A 262   O  MET A 265           
SHEET   10   A10 LYS A 299  THR A 305 -1  O  LYS A 299   N  GLN A 261           
SHEET    1   B 3 PHE A  60  GLU A  61  0                                        
SHEET    2   B 3 LYS A 224  SER A 225 -1  O  SER A 225   N  PHE A  60           
SHEET    3   B 3 THR A 187  TRP A 188 -1  N  TRP A 188   O  LYS A 224           
SHEET    1   C 2 GLN A 147  ARG A 148  0                                        
SHEET    2   C 2 ARG A 296  PRO A 297 -1  O  ARG A 296   N  ARG A 148           
SHEET    1   D 2 GLY A 202  ARG A 204  0                                        
SHEET    2   D 2 LYS A 207  VAL A 209 -1  O  VAL A 209   N  GLY A 202           
SHEET    1   E10 GLN B  52  PRO B  53  0                                        
SHEET    2   E10 LYS B  37  ASP B  47 -1  N  ALA B  46   O  GLN B  52           
SHEET    3   E10 GLY B  27  TYR B  34 -1  N  VAL B  30   O  PHE B  41           
SHEET    4   E10 LEU B 334  ALA B 340 -1  O  LEU B 339   N  ALA B  29           
SHEET    5   E10 GLY B 323  ILE B 329 -1  N  ILE B 329   O  LEU B 334           
SHEET    6   E10 SER B 311  ALA B 318 -1  N  GLY B 317   O  SER B 324           
SHEET    7   E10 GLU B 272  ASP B 275 -1  N  LEU B 274   O  TRP B 312           
SHEET    8   E10 MET B 265  GLN B 267 -1  N  TYR B 266   O  MET B 273           
SHEET    9   E10 ARG B 258  THR B 262 -1  N  THR B 262   O  MET B 265           
SHEET   10   E10 LYS B 299  THR B 305 -1  O  THR B 305   N  ARG B 258           
SHEET    1   F 2 PHE B  60  GLU B  61  0                                        
SHEET    2   F 2 LYS B 224  SER B 225 -1  O  SER B 225   N  PHE B  60           
SHEET    1   G 2 GLN B 147  ARG B 148  0                                        
SHEET    2   G 2 ARG B 296  PRO B 297 -1  O  ARG B 296   N  ARG B 148           
SHEET    1   H 2 GLY B 202  ARG B 204  0                                        
SHEET    2   H 2 LYS B 207  VAL B 209 -1  O  VAL B 209   N  GLY B 202           
CISPEP   1 TRP A  276    PRO A  277          0        -2.76                     
CISPEP   2 THR A  302    PRO A  303          0        -4.64                     
CISPEP   3 TRP B  276    PRO B  277          0         1.45                     
CISPEP   4 THR B  302    PRO B  303          0        -0.21                     
SITE     1 AC1  6 ARG A 148  TYR A 150  LYS A 290  HOH A 532                    
SITE     2 AC1  6 HOH A 537  HOH A 596                                          
SITE     1 AC2  8 ASN A 237  LEU A 238  PRO A 240  GLN A 256                    
SITE     2 AC2  8 ALA A 307  ARG A 309  PRO A 330  HOH A 582                    
SITE     1 AC3  3 ALA A 141  TRP A 142  ALA A 143                               
SITE     1 AC4  8 ASN B 237  LEU B 238  PRO B 240  GLN B 256                    
SITE     2 AC4  8 ALA B 307  ARG B 309  HOH B 624  HOH B 746                    
SITE     1 AC5  4 PRO B 140  TRP B 142  ALA B 143  HOH B 715                    
SITE     1 AC6  7 VAL A 211  SER A 212  TYR A 221  THR A 319                    
SITE     2 AC6  7 GLY A 320  HOH A 623  HOH A 710                               
SITE     1 AC7  5 VAL B 211  SER B 212  THR B 319  GLY B 320                    
SITE     2 AC7  5 HOH B 631                                                     
SITE     1 AC8  2 PRO A 297  LYS A 299                                          
SITE     1 AC9  3 ALA A 231  ARG A 232  GLN A 235                               
SITE     1 BC1  5 LYS B  24  ILE B  48  LYS B 342  C21 B 511                    
SITE     2 BC1  5 HOH B 543                                                     
SITE     1 BC2  2 LYS B  24  C21 B 510                                          
SITE     1 BC3  4 GLY B  36  ALA B 231  ARG B 232  GLN B 235                    
CRYST1  119.434   74.781   98.281  90.00 116.14  90.00 C 1 2 1       8          
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      0.008373  0.000000  0.004109        0.00000                         
SCALE2      0.000000  0.013372  0.000000        0.00000                         
SCALE3      0.000000  0.000000  0.011334        0.00000