HEADER    HYDROLASE (ACTING IN CYCLIC AMIDES)     17-DEC-93   1BLS              
TITLE     CRYSTALLOGRAPHIC STRUCTURE OF A PHOSPHONATE DERIVATIVE OF THE         
TITLE    2 ENTEROBACTER CLOACAE P99 CEPHALOSPORINASE: MECHANISTIC INTERPRETATION
TITLE    3 OF A BETA-LACTAMASE TRANSITION STATE ANALOG                          
COMPND    MOL_ID: 1;                                                            
COMPND   2 MOLECULE: BETA-LACTAMASE;                                            
COMPND   3 CHAIN: A, B;                                                         
COMPND   4 EC: 3.5.2.6;                                                         
COMPND   5 ENGINEERED: YES                                                      
SOURCE    MOL_ID: 1;                                                            
SOURCE   2 ORGANISM_SCIENTIFIC: ENTEROBACTER CLOACAE;                           
SOURCE   3 ORGANISM_TAXID: 550                                                  
KEYWDS    HYDROLASE (ACTING IN CYCLIC AMIDES)                                   
EXPDTA    X-RAY DIFFRACTION                                                     
AUTHOR    J.R.KNOX,P.C.MOEWS,E.LOBKOVSKY                                        
REVDAT   4   30-OCT-24 1BLS    1       REMARK                                   
REVDAT   3   05-JUN-24 1BLS    1       REMARK LINK                              
REVDAT   2   24-FEB-09 1BLS    1       VERSN                                    
REVDAT   1   08-MAY-95 1BLS    0                                                
JRNL        AUTH   E.LOBKOVSKY,E.M.BILLINGS,P.C.MOEWS,J.RAHIL,R.F.PRATT,        
JRNL        AUTH 2 J.R.KNOX                                                     
JRNL        TITL   CRYSTALLOGRAPHIC STRUCTURE OF A PHOSPHONATE DERIVATIVE OF    
JRNL        TITL 2 THE ENTEROBACTER CLOACAE P99 CEPHALOSPORINASE: MECHANISTIC   
JRNL        TITL 3 INTERPRETATION OF A BETA-LACTAMASE TRANSITION-STATE ANALOG.  
JRNL        REF    BIOCHEMISTRY                  V.  33  6762 1994              
JRNL        REFN                   ISSN 0006-2960                               
JRNL        PMID   8204611                                                      
JRNL        DOI    10.1021/BI00188A004                                          
REMARK   1                                                                      
REMARK   1 REFERENCE 1                                                          
REMARK   1  AUTH   E.LOBKOVSKY,P.C.MOEWS,H.LIU,H.ZHAO,J.M.FRERE,J.R.KNOX        
REMARK   1  TITL   EVOLUTION OF AN ENZYME ACTIVITY: CRYSTALLOGRAPHIC STRUCTURE  
REMARK   1  TITL 2 AT 2 ANGSTROMS RESOLUTION OF THE CEPHALOSPORINASE FROM THE   
REMARK   1  TITL 3 AMPC GENE OF ENTEROBACTER CLOACAE P99 AND COMPARISON WITH A  
REMARK   1  TITL 4 CLASS A PENICILLINASE                                        
REMARK   1  REF    PROC.NATL.ACAD.SCI.USA        V.  90 11257 1993              
REMARK   1  REFN                   ISSN 0027-8424                               
REMARK   2                                                                      
REMARK   2 RESOLUTION.    2.30 ANGSTROMS.                                       
REMARK   3                                                                      
REMARK   3 REFINEMENT.                                                          
REMARK   3   PROGRAM     : PROLSQ                                               
REMARK   3   AUTHORS     : KONNERT,HENDRICKSON                                  
REMARK   3                                                                      
REMARK   3  DATA USED IN REFINEMENT.                                            
REMARK   3   RESOLUTION RANGE HIGH (ANGSTROMS) : 2.30                           
REMARK   3   RESOLUTION RANGE LOW  (ANGSTROMS) : 8.00                           
REMARK   3   DATA CUTOFF            (SIGMA(F)) : NULL                           
REMARK   3   COMPLETENESS FOR RANGE        (%) : NULL                           
REMARK   3   NUMBER OF REFLECTIONS             : 27532                          
REMARK   3                                                                      
REMARK   3  FIT TO DATA USED IN REFINEMENT.                                     
REMARK   3   CROSS-VALIDATION METHOD          : NULL                            
REMARK   3   FREE R VALUE TEST SET SELECTION  : NULL                            
REMARK   3   R VALUE     (WORKING + TEST SET) : 0.192                           
REMARK   3   R VALUE            (WORKING SET) : NULL                            
REMARK   3   FREE R VALUE                     : NULL                            
REMARK   3   FREE R VALUE TEST SET SIZE   (%) : NULL                            
REMARK   3   FREE R VALUE TEST SET COUNT      : NULL                            
REMARK   3                                                                      
REMARK   3  FIT/AGREEMENT OF MODEL WITH ALL DATA.                               
REMARK   3   R VALUE   (WORKING + TEST SET, NO CUTOFF) : NULL                   
REMARK   3   R VALUE          (WORKING SET, NO CUTOFF) : NULL                   
REMARK   3   FREE R VALUE                  (NO CUTOFF) : NULL                   
REMARK   3   FREE R VALUE TEST SET SIZE (%, NO CUTOFF) : NULL                   
REMARK   3   FREE R VALUE TEST SET COUNT   (NO CUTOFF) : NULL                   
REMARK   3   TOTAL NUMBER OF REFLECTIONS   (NO CUTOFF) : NULL                   
REMARK   3                                                                      
REMARK   3  NUMBER OF NON-HYDROGEN ATOMS USED IN REFINEMENT.                    
REMARK   3   PROTEIN ATOMS            : 5502                                    
REMARK   3   NUCLEIC ACID ATOMS       : 0                                       
REMARK   3   HETEROGEN ATOMS          : 30                                      
REMARK   3   SOLVENT ATOMS            : 789                                     
REMARK   3                                                                      
REMARK   3  B VALUES.                                                           
REMARK   3   FROM WILSON PLOT           (A**2) : NULL                           
REMARK   3   MEAN B VALUE      (OVERALL, A**2) : NULL                           
REMARK   3   OVERALL ANISOTROPIC B VALUE.                                       
REMARK   3    B11 (A**2) : NULL                                                 
REMARK   3    B22 (A**2) : NULL                                                 
REMARK   3    B33 (A**2) : NULL                                                 
REMARK   3    B12 (A**2) : NULL                                                 
REMARK   3    B13 (A**2) : NULL                                                 
REMARK   3    B23 (A**2) : NULL                                                 
REMARK   3                                                                      
REMARK   3  ESTIMATED COORDINATE ERROR.                                         
REMARK   3   ESD FROM LUZZATI PLOT        (A) : NULL                            
REMARK   3   ESD FROM SIGMAA              (A) : NULL                            
REMARK   3   LOW RESOLUTION CUTOFF        (A) : NULL                            
REMARK   3                                                                      
REMARK   3  RMS DEVIATIONS FROM IDEAL VALUES.                                   
REMARK   3   DISTANCE RESTRAINTS.                    RMS    SIGMA               
REMARK   3    BOND LENGTH                     (A) : 0.010 ; NULL                
REMARK   3    ANGLE DISTANCE                  (A) : 1.100 ; NULL                
REMARK   3    INTRAPLANAR 1-4 DISTANCE        (A) : NULL  ; NULL                
REMARK   3    H-BOND OR METAL COORDINATION    (A) : NULL  ; NULL                
REMARK   3                                                                      
REMARK   3   PLANE RESTRAINT                  (A) : NULL  ; NULL                
REMARK   3   CHIRAL-CENTER RESTRAINT       (A**3) : NULL  ; NULL                
REMARK   3                                                                      
REMARK   3   NON-BONDED CONTACT RESTRAINTS.                                     
REMARK   3    SINGLE TORSION                  (A) : NULL  ; NULL                
REMARK   3    MULTIPLE TORSION                (A) : NULL  ; NULL                
REMARK   3    H-BOND (X...Y)                  (A) : NULL  ; NULL                
REMARK   3    H-BOND (X-H...Y)                (A) : NULL  ; NULL                
REMARK   3                                                                      
REMARK   3   CONFORMATIONAL TORSION ANGLE RESTRAINTS.                           
REMARK   3    SPECIFIED                 (DEGREES) : NULL  ; NULL                
REMARK   3    PLANAR                    (DEGREES) : NULL  ; NULL                
REMARK   3    STAGGERED                 (DEGREES) : NULL  ; NULL                
REMARK   3    TRANSVERSE                (DEGREES) : NULL  ; NULL                
REMARK   3                                                                      
REMARK   3  ISOTROPIC THERMAL FACTOR RESTRAINTS.    RMS    SIGMA                
REMARK   3   MAIN-CHAIN BOND               (A**2) : NULL  ; NULL                
REMARK   3   MAIN-CHAIN ANGLE              (A**2) : NULL  ; NULL                
REMARK   3   SIDE-CHAIN BOND               (A**2) : NULL  ; NULL                
REMARK   3   SIDE-CHAIN ANGLE              (A**2) : NULL  ; NULL                
REMARK   3                                                                      
REMARK   3  OTHER REFINEMENT REMARKS: NULL                                      
REMARK   4                                                                      
REMARK   4 1BLS COMPLIES WITH FORMAT V. 3.30, 13-JUL-11                         
REMARK 100                                                                      
REMARK 100 THIS ENTRY HAS BEEN PROCESSED BY BNL.                                
REMARK 100 THE DEPOSITION ID IS D_1000171897.                                   
REMARK 200                                                                      
REMARK 200 EXPERIMENTAL DETAILS                                                 
REMARK 200  EXPERIMENT TYPE                : X-RAY DIFFRACTION                  
REMARK 200  DATE OF DATA COLLECTION        : NULL                               
REMARK 200  TEMPERATURE           (KELVIN) : NULL                               
REMARK 200  PH                             : NULL                               
REMARK 200  NUMBER OF CRYSTALS USED        : NULL                               
REMARK 200                                                                      
REMARK 200  SYNCHROTRON              (Y/N) : NULL                               
REMARK 200  RADIATION SOURCE               : NULL                               
REMARK 200  BEAMLINE                       : NULL                               
REMARK 200  X-RAY GENERATOR MODEL          : NULL                               
REMARK 200  MONOCHROMATIC OR LAUE    (M/L) : NULL                               
REMARK 200  WAVELENGTH OR RANGE        (A) : NULL                               
REMARK 200  MONOCHROMATOR                  : NULL                               
REMARK 200  OPTICS                         : NULL                               
REMARK 200                                                                      
REMARK 200  DETECTOR TYPE                  : NULL                               
REMARK 200  DETECTOR MANUFACTURER          : NULL                               
REMARK 200  INTENSITY-INTEGRATION SOFTWARE : NULL                               
REMARK 200  DATA SCALING SOFTWARE          : NULL                               
REMARK 200                                                                      
REMARK 200  NUMBER OF UNIQUE REFLECTIONS   : NULL                               
REMARK 200  RESOLUTION RANGE HIGH      (A) : NULL                               
REMARK 200  RESOLUTION RANGE LOW       (A) : NULL                               
REMARK 200  REJECTION CRITERIA  (SIGMA(I)) : NULL                               
REMARK 200                                                                      
REMARK 200 OVERALL.                                                             
REMARK 200  COMPLETENESS FOR RANGE     (%) : NULL                               
REMARK 200  DATA REDUNDANCY                : NULL                               
REMARK 200  R MERGE                    (I) : NULL                               
REMARK 200  R SYM                      (I) : NULL                               
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: NULL                                           
REMARK 200 METHOD USED TO DETERMINE THE STRUCTURE: NULL                         
REMARK 200 SOFTWARE USED: NULL                                                  
REMARK 200 STARTING MODEL: NULL                                                 
REMARK 200                                                                      
REMARK 200 REMARK: NULL                                                         
REMARK 280                                                                      
REMARK 280 CRYSTAL                                                              
REMARK 280 SOLVENT CONTENT, VS   (%): 47.82                                     
REMARK 280 MATTHEWS COEFFICIENT, VM (ANGSTROMS**3/DA): 2.36                     
REMARK 280                                                                      
REMARK 280 CRYSTALLIZATION CONDITIONS: NULL                                     
REMARK 290                                                                      
REMARK 290 CRYSTALLOGRAPHIC SYMMETRY                                            
REMARK 290 SYMMETRY OPERATORS FOR SPACE GROUP: P 1 21 1                         
REMARK 290                                                                      
REMARK 290      SYMOP   SYMMETRY                                                
REMARK 290     NNNMMM   OPERATOR                                                
REMARK 290       1555   X,Y,Z                                                   
REMARK 290       2555   -X,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       41.73500            
REMARK 290   SMTRY3   2  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 *MTRIX* RECORDS BELOW MAY BE USED TO GENERATE            
REMARK 300 APPROXIMATE COORDINATES OF MOLECULE B WHEN APPLIED TO                
REMARK 300 MOLECULE A.                                                          
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 400                                                                      
REMARK 400 COMPOUND                                                             
REMARK 400 TURN INFORMATION IS EASILY OBTAINED USING THE DSSP                   
REMARK 400 ANALYSIS PROGRAM BY KABSCH AND SANDER, BIOPOLYMERS 22,               
REMARK 400 2577 (1983).                                                         
REMARK 465                                                                      
REMARK 465 MISSING RESIDUES                                                     
REMARK 465 THE FOLLOWING RESIDUES WERE NOT LOCATED IN THE                       
REMARK 465 EXPERIMENT. (M=MODEL NUMBER; RES=RESIDUE NAME; C=CHAIN               
REMARK 465 IDENTIFIER; SSSEQ=SEQUENCE NUMBER; I=INSERTION CODE.)                
REMARK 465                                                                      
REMARK 465   M RES C SSSEQI                                                     
REMARK 465     THR A     1                                                      
REMARK 465     GLN A   361                                                      
REMARK 465     THR B     1                                                      
REMARK 465     GLN B   361                                                      
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   O    HOH A   436     O    HOH A   597              1.65            
REMARK 500   O    HOH B   417     O    HOH B   541              1.72            
REMARK 500   O    HOH A   432     O    HOH A   487              1.90            
REMARK 500   O    HOH B   425     O    HOH B   443              1.92            
REMARK 500   O    HOH A   480     O    HOH A   537              1.96            
REMARK 500   O    HOH A   531     O    HOH A   617              2.01            
REMARK 500   O    HOH A   556     O    HOH A   639              2.01            
REMARK 500   CG   LYS A   143     O    HOH A   410              2.03            
REMARK 500   O    HOH B   499     O    HOH B   678              2.05            
REMARK 500   O    HOH B   465     O    HOH B   473              2.06            
REMARK 500   O    HOH B   558     O    HOH B   745              2.06            
REMARK 500   NH1  ARG B   133     O    HOH B   646              2.09            
REMARK 500   O    HOH A   530     O    HOH A   607              2.11            
REMARK 500   O    HOH A   435     O    HOH A   544              2.11            
REMARK 500   O    GLU A    61     O    HOH A   589              2.14            
REMARK 500   O    HOH B   391     O    HOH B   442              2.15            
REMARK 500   O    HOH A   545     O    HOH A   552              2.15            
REMARK 500   OG   SER A   324     O    HOH A   589              2.16            
REMARK 500   OG1  THR B   126     O    HOH B   732              2.16            
REMARK 500   O    HOH B   482     O    HOH B   642              2.16            
REMARK 500   OE1  GLU B    82     O    HOH B   379              2.17            
REMARK 500   OG1  THR B    97     O    HOH B   459              2.17            
REMARK 500   OD1  ASN A    14     O    HOH A   623              2.17            
REMARK 500   OE2  GLU B   241     O    HOH B   644              2.17            
REMARK 500   OH   TYR A    40     O    HOH A   471              2.17            
REMARK 500   O    HOH B   406     O    HOH B   473              2.17            
REMARK 500   O    HOH A   497     O    HOH A   591              2.17            
REMARK 500   O    HOH A   433     O    HOH A   536              2.18            
REMARK 500   OE2  GLU B   171     O    HOH B   410              2.18            
REMARK 500   O    HOH B   480     O    HOH B   539              2.19            
REMARK 500   O    HOH A   418     O    HOH A   603              2.19            
REMARK 500   OE1  GLU B   358     O    HOH B   733              2.19            
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    HOH B   542     O    HOH B   577     1455     1.73            
REMARK 500   O    HOH A   507     O    HOH B   436     2655     1.89            
REMARK 500   CG   PRO A   277     O    HOH A   678     1655     1.90            
REMARK 500   NZ   LYS A   164     CG   PRO B   303     2555     1.96            
REMARK 500   CD   PRO A   277     O    HOH A   678     1655     2.03            
REMARK 500   NZ   LYS A   143     CD   LYS B   143     1665     2.06            
REMARK 500   O    HOH A   399     O    HOH B   654     1665     2.08            
REMARK 500   O    HOH A   472     O    HOH B   471     1665     2.14            
REMARK 500   NZ   LYS A   164     CB   PRO B   303     2555     2.17            
REMARK 500                                                                      
REMARK 500 REMARK: NULL                                                         
REMARK 500                                                                      
REMARK 500 GEOMETRY AND STEREOCHEMISTRY                                         
REMARK 500 SUBTOPIC: COVALENT BOND ANGLES                                       
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,A3,1X,A1,I4,A1,3(1X,A4,2X),12X,F5.1)              
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   ATM2   ATM3                                     
REMARK 500    ARG A  91   NE  -  CZ  -  NH1 ANGL. DEV. =   3.1 DEGREES          
REMARK 500    ARG A 133   NE  -  CZ  -  NH1 ANGL. DEV. =   3.4 DEGREES          
REMARK 500    ARG A 177   NE  -  CZ  -  NH1 ANGL. DEV. =   3.8 DEGREES          
REMARK 500    ARG A 177   NE  -  CZ  -  NH2 ANGL. DEV. =  -3.2 DEGREES          
REMARK 500    ARG B  91   NE  -  CZ  -  NH1 ANGL. DEV. =   3.9 DEGREES          
REMARK 500    ARG B 105   NE  -  CZ  -  NH1 ANGL. DEV. =   3.3 DEGREES          
REMARK 500    ARG B 210   CD  -  NE  -  CZ  ANGL. DEV. =  22.6 DEGREES          
REMARK 500    ARG B 210   NE  -  CZ  -  NH1 ANGL. DEV. =   5.5 DEGREES          
REMARK 500    LEU B 274   CA  -  CB  -  CG  ANGL. DEV. =  14.2 DEGREES          
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    VAL A   3      -91.11   -160.90                                   
REMARK 500    SER A   4       15.04     42.52                                   
REMARK 500    SER A  24       66.69     37.92                                   
REMARK 500    LEU A 184       72.77   -103.47                                   
REMARK 500    ARG A 204     -102.99   -110.19                                   
REMARK 500    ASP A 205       51.22    -91.97                                   
REMARK 500    TYR A 221       12.86   -159.34                                   
REMARK 500    ALA A 359       35.81    -81.10                                   
REMARK 500    VAL B   3     -116.16     44.59                                   
REMARK 500    SER B   4       91.95     40.18                                   
REMARK 500    THR B  15      -61.27    -92.40                                   
REMARK 500    ILE B  48      -70.55    -61.02                                   
REMARK 500    VAL B 178      -54.54   -123.07                                   
REMARK 500    ASP B 205      -97.51   -107.14                                   
REMARK 500    TYR B 221        9.11   -156.91                                   
REMARK 500    LYS B 315      129.97   -172.58                                   
REMARK 500    ASN B 341       38.17    -95.60                                   
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 IPP A 362                 
REMARK 800                                                                      
REMARK 800 SITE_IDENTIFIER: AC2                                                 
REMARK 800 EVIDENCE_CODE: SOFTWARE                                              
REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE IPP B 362                 
DBREF  1BLS A    1   361  UNP    P05364   AMPC_ENTCL      21    381             
DBREF  1BLS B    1   361  UNP    P05364   AMPC_ENTCL      21    381             
SEQRES   1 A  361  THR PRO VAL SER GLU LYS GLN LEU ALA GLU VAL VAL ALA          
SEQRES   2 A  361  ASN THR ILE THR PRO LEU MET LYS ALA GLN SER VAL PRO          
SEQRES   3 A  361  GLY MET ALA VAL ALA VAL ILE TYR GLN GLY LYS PRO HIS          
SEQRES   4 A  361  TYR TYR THR PHE GLY LYS ALA ASP ILE ALA ALA ASN LYS          
SEQRES   5 A  361  PRO VAL THR PRO GLN THR LEU PHE GLU LEU GLY SER ILE          
SEQRES   6 A  361  SER LYS THR PHE THR GLY VAL LEU GLY GLY ASP ALA ILE          
SEQRES   7 A  361  ALA ARG GLY GLU ILE SER LEU ASP ASP ALA VAL THR ARG          
SEQRES   8 A  361  TYR TRP PRO GLN LEU THR GLY LYS GLN TRP GLN GLY ILE          
SEQRES   9 A  361  ARG MET LEU ASP LEU ALA THR TYR THR ALA GLY GLY LEU          
SEQRES  10 A  361  PRO LEU GLN VAL PRO ASP GLU VAL THR ASP ASN ALA SER          
SEQRES  11 A  361  LEU LEU ARG PHE TYR GLN ASN TRP GLN PRO GLN TRP LYS          
SEQRES  12 A  361  PRO GLY THR THR ARG LEU TYR ALA ASN ALA SER ILE GLY          
SEQRES  13 A  361  LEU PHE GLY ALA LEU ALA VAL LYS PRO SER GLY MET PRO          
SEQRES  14 A  361  TYR GLU GLN ALA MET THR THR ARG VAL LEU LYS PRO LEU          
SEQRES  15 A  361  LYS LEU ASP HIS THR TRP ILE ASN VAL PRO LYS ALA GLU          
SEQRES  16 A  361  GLU ALA HIS TYR ALA TRP GLY TYR ARG ASP GLY LYS ALA          
SEQRES  17 A  361  VAL ARG VAL SER PRO GLY MET LEU ASP ALA GLN ALA TYR          
SEQRES  18 A  361  GLY VAL LYS THR ASN VAL GLN ASP MET ALA ASN TRP VAL          
SEQRES  19 A  361  MET ALA ASN MET ALA PRO GLU ASN VAL ALA ASP ALA SER          
SEQRES  20 A  361  LEU LYS GLN GLY ILE ALA LEU ALA GLN SER ARG TYR TRP          
SEQRES  21 A  361  ARG ILE GLY SER MET TYR GLN GLY LEU GLY TRP GLU MET          
SEQRES  22 A  361  LEU ASN TRP PRO VAL GLU ALA ASN THR VAL VAL GLU GLY          
SEQRES  23 A  361  SER ASP SER LYS VAL ALA LEU ALA PRO LEU PRO VAL ALA          
SEQRES  24 A  361  GLU VAL ASN PRO PRO ALA PRO PRO VAL LYS ALA SER TRP          
SEQRES  25 A  361  VAL HIS LYS THR GLY SER THR GLY GLY PHE GLY SER TYR          
SEQRES  26 A  361  VAL ALA PHE ILE PRO GLU LYS GLN ILE GLY ILE VAL MET          
SEQRES  27 A  361  LEU ALA ASN THR SER TYR PRO ASN PRO ALA ARG VAL GLU          
SEQRES  28 A  361  ALA ALA TYR HIS ILE LEU GLU ALA LEU GLN                      
SEQRES   1 B  361  THR PRO VAL SER GLU LYS GLN LEU ALA GLU VAL VAL ALA          
SEQRES   2 B  361  ASN THR ILE THR PRO LEU MET LYS ALA GLN SER VAL PRO          
SEQRES   3 B  361  GLY MET ALA VAL ALA VAL ILE TYR GLN GLY LYS PRO HIS          
SEQRES   4 B  361  TYR TYR THR PHE GLY LYS ALA ASP ILE ALA ALA ASN LYS          
SEQRES   5 B  361  PRO VAL THR PRO GLN THR LEU PHE GLU LEU GLY SER ILE          
SEQRES   6 B  361  SER LYS THR PHE THR GLY VAL LEU GLY GLY ASP ALA ILE          
SEQRES   7 B  361  ALA ARG GLY GLU ILE SER LEU ASP ASP ALA VAL THR ARG          
SEQRES   8 B  361  TYR TRP PRO GLN LEU THR GLY LYS GLN TRP GLN GLY ILE          
SEQRES   9 B  361  ARG MET LEU ASP LEU ALA THR TYR THR ALA GLY GLY LEU          
SEQRES  10 B  361  PRO LEU GLN VAL PRO ASP GLU VAL THR ASP ASN ALA SER          
SEQRES  11 B  361  LEU LEU ARG PHE TYR GLN ASN TRP GLN PRO GLN TRP LYS          
SEQRES  12 B  361  PRO GLY THR THR ARG LEU TYR ALA ASN ALA SER ILE GLY          
SEQRES  13 B  361  LEU PHE GLY ALA LEU ALA VAL LYS PRO SER GLY MET PRO          
SEQRES  14 B  361  TYR GLU GLN ALA MET THR THR ARG VAL LEU LYS PRO LEU          
SEQRES  15 B  361  LYS LEU ASP HIS THR TRP ILE ASN VAL PRO LYS ALA GLU          
SEQRES  16 B  361  GLU ALA HIS TYR ALA TRP GLY TYR ARG ASP GLY LYS ALA          
SEQRES  17 B  361  VAL ARG VAL SER PRO GLY MET LEU ASP ALA GLN ALA TYR          
SEQRES  18 B  361  GLY VAL LYS THR ASN VAL GLN ASP MET ALA ASN TRP VAL          
SEQRES  19 B  361  MET ALA ASN MET ALA PRO GLU ASN VAL ALA ASP ALA SER          
SEQRES  20 B  361  LEU LYS GLN GLY ILE ALA LEU ALA GLN SER ARG TYR TRP          
SEQRES  21 B  361  ARG ILE GLY SER MET TYR GLN GLY LEU GLY TRP GLU MET          
SEQRES  22 B  361  LEU ASN TRP PRO VAL GLU ALA ASN THR VAL VAL GLU GLY          
SEQRES  23 B  361  SER ASP SER LYS VAL ALA LEU ALA PRO LEU PRO VAL ALA          
SEQRES  24 B  361  GLU VAL ASN PRO PRO ALA PRO PRO VAL LYS ALA SER TRP          
SEQRES  25 B  361  VAL HIS LYS THR GLY SER THR GLY GLY PHE GLY SER TYR          
SEQRES  26 B  361  VAL ALA PHE ILE PRO GLU LYS GLN ILE GLY ILE VAL MET          
SEQRES  27 B  361  LEU ALA ASN THR SER TYR PRO ASN PRO ALA ARG VAL GLU          
SEQRES  28 B  361  ALA ALA TYR HIS ILE LEU GLU ALA LEU GLN                      
HET    IPP  A 362      25                                                       
HET    IPP  B 362      25                                                       
HETNAM     IPP (P-IODOPHENYLACETYLAMINO)METHYLPHOSPHINIC ACID                   
FORMUL   3  IPP    2(C9 H11 I N O3 P)                                           
FORMUL   5  HOH   *789(H2 O)                                                    
HELIX    1  H1 LYS A    6  ALA A   22  1                                  17    
HELIX    2  H2 GLY A   63  ALA A   79  5BEGINS WITH 1 TURN OF 3/10        17    
HELIX    3 H3A VAL A   89  TYR A   92  1                                   4    
HELIX    4 H3B LYS A   99  TRP A  101  1                                   3    
HELIX    5  H4 MET A  106  THR A  111  1                                   6    
HELIX    6 H4A ASN A  128  ASN A  137  1                                  10    
HELIX    7  H5 ASN A  152  ALA A  162  1                                  11    
HELIX    8  H6 TYR A  170  LYS A  180  1                                  11    
HELIX    9  H7 ASP A  217  ALA A  220  1                                   4    
HELIX   10  H8 VAL A  227  MET A  238  1                                  12    
HELIX   11  H9 ALA A  246  ALA A  255  1                                  10    
HELIX   12 H10 ALA A  280  GLY A  286  1                                   7    
HELIX   13 H10 SER A  289  ALA A  292  1                                   4    
HELIX   14 H11 ASN A  346  GLU A  358  1                                  13    
HELIX   15  K1 LYS B    6  ALA B   22  1                                  17    
HELIX   16  K2 GLY B   63  ALA B   79  5BEGINS WITH 1 TURN OF 3/10        17    
HELIX   17 K3A VAL B   89  TYR B   92  1                                   4    
HELIX   18 K3B LYS B   99  TRP B  101  1                                   3    
HELIX   19  K4 MET B  106  THR B  111  1                                   6    
HELIX   20 K4A ASN B  128  ASN B  137  1                                  10    
HELIX   21  K5 ASN B  152  ALA B  162  1                                  11    
HELIX   22  K6 TYR B  170  LYS B  180  1                                  11    
HELIX   23  K7 ASP B  217  ALA B  220  1                                   4    
HELIX   24  K8 VAL B  227  MET B  238  1                                  12    
HELIX   25  K9 ALA B  246  ALA B  255  1                                  10    
HELIX   26 K10 ALA B  280  GLY B  286  1                                   7    
HELIX   27 K10 SER B  289  ALA B  292  1                                   4    
HELIX   28 K11 ASN B  346  GLU B  358  1                                  13    
SHEET    1   1 9 LYS A  37  ASP A  47  0                                        
SHEET    2   1 9 GLY A  27  TYR A  34 -1  O  VAL A  30   N  TYR A  41           
SHEET    3   1 9 ILE A 334  ALA A 340  1  O  VAL A 337   N  ALA A  31           
SHEET    4   1 9 GLY A 323  ILE A 329 -1  O  TYR A 325   N  MET A 338           
SHEET    5   1 9 SER A 311  SER A 318  1  O  LYS A 315   N  VAL A 326           
SHEET    6   1 9 GLU A 272  ASN A 275 -1  O  GLU A 272   N  HIS A 314           
SHEET    7   1 9 MET A 265  GLN A 267  1  O  TYR A 266   N  MET A 273           
SHEET    8   1 9 ARG A 258  ILE A 262 -1  O  TRP A 260   N  GLN A 267           
SHEET    9   1 9 LEU A 296  ALA A 305  1  O  ALA A 299   N  ARG A 261           
SHEET    1   2 3 THR A  58  GLU A  61  0                                        
SHEET    2   2 3 LYS A 224  ASN A 226 -1  N  THR A 225   O  PHE A  60           
SHEET    3   2 3 HIS A 186  ILE A 189  1  N  TRP A 188   O  LYS A 224           
SHEET    1   3 9 LYS B  37  ASP B  47  0                                        
SHEET    2   3 9 GLY B  27  TYR B  34 -1  O  VAL B  30   N  TYR B  41           
SHEET    3   3 9 ILE B 334  ALA B 340  1  O  VAL B 337   N  ALA B  31           
SHEET    4   3 9 GLY B 323  ILE B 329 -1  O  TYR B 325   N  MET B 338           
SHEET    5   3 9 SER B 311  SER B 318  1  O  LYS B 315   N  VAL B 326           
SHEET    6   3 9 GLU B 272  ASN B 275 -1  O  GLU B 272   N  HIS B 314           
SHEET    7   3 9 MET B 265  GLN B 267  1  O  TYR B 266   N  MET B 273           
SHEET    8   3 9 ARG B 258  ILE B 262 -1  O  TRP B 260   N  GLN B 267           
SHEET    9   3 9 LEU B 296  ALA B 305  1  O  ALA B 299   N  ARG B 261           
SHEET    1   4 3 THR B  58  GLU B  61  0                                        
SHEET    2   4 3 LYS B 224  ASN B 226 -1  N  THR B 225   O  PHE B  60           
SHEET    3   4 3 HIS B 186  ILE B 189  1  N  TRP B 188   O  LYS B 224           
LINK         OG  SER A  64                 P   IPP A 362     1555   1555  1.64  
LINK         OG  SER B  64                 P   IPP B 362     1555   1555  1.65  
CISPEP   1 TRP A  276    PRO A  277          0         1.86                     
CISPEP   2 ASN A  302    PRO A  303          0        -1.20                     
CISPEP   3 TRP B  276    PRO B  277          0         2.38                     
CISPEP   4 ASN B  302    PRO B  303          0         0.52                     
SITE     1 AC1  9 SER A  64  GLN A 120  TYR A 150  ASN A 152                    
SITE     2 AC1  9 TYR A 221  GLY A 317  SER A 318  GLY A 320                    
SITE     3 AC1  9 HOH A 563                                                     
SITE     1 AC2  9 SER B  64  GLN B 120  TYR B 150  ASN B 152                    
SITE     2 AC2  9 TYR B 221  GLY B 317  SER B 318  HOH B 480                    
SITE     3 AC2  9 HOH B 657                                                     
CRYST1   46.500   83.470   95.460  90.00  90.01  90.00 P 1 21 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      0.021505  0.000000  0.000004        0.00000                         
SCALE2      0.000000  0.011980  0.000000        0.00000                         
SCALE3      0.000000  0.000000  0.010476        0.00000                         
MTRIX1   1 -0.999993 -0.000825 -0.003734       23.35410    1                    
MTRIX2   1  0.000865 -0.999943 -0.010627       56.14040    1                    
MTRIX3   1 -0.003725 -0.010630  0.999937        0.97560    1