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Database: PDB
Entry: 3IXH
LinkDB: 3IXH
Original site: 3IXH 
HEADER    HYDROLASE                               04-SEP-09   3IXH              
TITLE     X-RAY CRYSTAL STRUCTURE OF THE EXTENDED-SPECTRUM AMPC Y221G MUTANT    
TITLE    2 BETA-LACTAMASE IN COMPLEX WITH CEFOTAXIME AT 2.3 ANGSTROM RESOLUTION 
COMPND    MOL_ID: 1;                                                            
COMPND   2 MOLECULE: BETA-LACTAMASE;                                            
COMPND   3 CHAIN: B, A;                                                         
COMPND   4 SYNONYM: CEPHALOSPORINASE;                                           
COMPND   5 EC: 3.5.2.6;                                                         
COMPND   6 ENGINEERED: YES;                                                     
COMPND   7 MUTATION: YES                                                        
SOURCE    MOL_ID: 1;                                                            
SOURCE   2 ORGANISM_SCIENTIFIC: ESCHERICHIA COLI;                               
SOURCE   3 ORGANISM_TAXID: 83333;                                               
SOURCE   4 STRAIN: K12;                                                         
SOURCE   5 GENE: AMPA, AMPC, B4150, JW4111;                                     
SOURCE   6 EXPRESSION_SYSTEM: ESCHERICHIA COLI;                                 
SOURCE   7 EXPRESSION_SYSTEM_TAXID: 562;                                        
SOURCE   8 EXPRESSION_SYSTEM_STRAIN: JM109;                                     
SOURCE   9 EXPRESSION_SYSTEM_VECTOR_TYPE: PLASMID;                              
SOURCE  10 EXPRESSION_SYSTEM_PLASMID: POGO295                                   
KEYWDS    SERINE HYDROLASE, BETA-LACTAMASE, CEPHALOSPORINASE, EXTENDED-SPECTRUM 
KEYWDS   2 ANTIBIOTIC RESISTANCE, ANTIBIOTIC RESISTANCE, HYDROLASE              
EXPDTA    X-RAY DIFFRACTION                                                     
AUTHOR    B.K.SHOICHET,V.L.THOMAS                                               
REVDAT   5   21-FEB-24 3IXH    1       REMARK                                   
REVDAT   4   13-OCT-21 3IXH    1       SEQADV                                   
REVDAT   3   19-SEP-18 3IXH    1       COMPND REMARK HET    HETNAM              
REVDAT   3 2                   1       HETSYN FORMUL ATOM                       
REVDAT   2   24-AUG-11 3IXH    1       FORMUL HETNAM REMARK VERSN               
REVDAT   1   16-FEB-10 3IXH    0                                                
JRNL        AUTH   V.L.THOMAS,A.C.MCREYNOLDS,B.K.SHOICHET                       
JRNL        TITL   STRUCTURAL BASES FOR STABILITY-FUNCTION TRADEOFFS IN         
JRNL        TITL 2 ANTIBIOTIC RESISTANCE.                                       
JRNL        REF    J.MOL.BIOL.                   V. 396    47 2010              
JRNL        REFN                   ISSN 0022-2836                               
JRNL        PMID   19913034                                                     
JRNL        DOI    10.1016/J.JMB.2009.11.005                                    
REMARK   2                                                                      
REMARK   2 RESOLUTION.    2.30 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) : 2.30                           
REMARK   3   RESOLUTION RANGE LOW  (ANGSTROMS) : 30.00                          
REMARK   3   DATA CUTOFF            (SIGMA(F)) : 0.000                          
REMARK   3   COMPLETENESS FOR RANGE        (%) : 96.6                           
REMARK   3   NUMBER OF REFLECTIONS             : 33697                          
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) : 0.197                           
REMARK   3   R VALUE            (WORKING SET) : 0.194                           
REMARK   3   FREE R VALUE                     : 0.248                           
REMARK   3   FREE R VALUE TEST SET SIZE   (%) : 5.000                           
REMARK   3   FREE R VALUE TEST SET COUNT      : 1693                            
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) : 2.30                         
REMARK   3   BIN RESOLUTION RANGE LOW        (A) : 2.36                         
REMARK   3   REFLECTION IN BIN     (WORKING SET) : 2350                         
REMARK   3   BIN COMPLETENESS (WORKING+TEST) (%) : 95.90                        
REMARK   3   BIN R VALUE           (WORKING SET) : 0.2100                       
REMARK   3   BIN FREE R VALUE SET COUNT          : 107                          
REMARK   3   BIN FREE R VALUE                    : 0.2720                       
REMARK   3                                                                      
REMARK   3  NUMBER OF NON-HYDROGEN ATOMS USED IN REFINEMENT.                    
REMARK   3   PROTEIN ATOMS            : 5584                                    
REMARK   3   NUCLEIC ACID ATOMS       : 0                                       
REMARK   3   HETEROGEN ATOMS          : 26                                      
REMARK   3   SOLVENT ATOMS            : 182                                     
REMARK   3                                                                      
REMARK   3  B VALUES.                                                           
REMARK   3   FROM WILSON PLOT           (A**2) : NULL                           
REMARK   3   MEAN B VALUE      (OVERALL, A**2) : 29.19                          
REMARK   3   OVERALL ANISOTROPIC B VALUE.                                       
REMARK   3    B11 (A**2) : 0.50000                                              
REMARK   3    B22 (A**2) : -0.92000                                             
REMARK   3    B33 (A**2) : 1.07000                                              
REMARK   3    B12 (A**2) : 0.00000                                              
REMARK   3    B13 (A**2) : 0.68000                                              
REMARK   3    B23 (A**2) : 0.00000                                              
REMARK   3                                                                      
REMARK   3  ESTIMATED OVERALL COORDINATE ERROR.                                 
REMARK   3   ESU BASED ON R VALUE                            (A): 0.372         
REMARK   3   ESU BASED ON FREE R VALUE                       (A): 0.250         
REMARK   3   ESU BASED ON MAXIMUM LIKELIHOOD                 (A): 0.171         
REMARK   3   ESU FOR B VALUES BASED ON MAXIMUM LIKELIHOOD (A**2): 6.829         
REMARK   3                                                                      
REMARK   3 CORRELATION COEFFICIENTS.                                            
REMARK   3   CORRELATION COEFFICIENT FO-FC      : 0.940                         
REMARK   3   CORRELATION COEFFICIENT FO-FC FREE : 0.891                         
REMARK   3                                                                      
REMARK   3  RMS DEVIATIONS FROM IDEAL VALUES        COUNT    RMS    WEIGHT      
REMARK   3   BOND LENGTHS REFINED ATOMS        (A):  5770 ; 0.012 ; 0.022       
REMARK   3   BOND LENGTHS OTHERS               (A):  NULL ;  NULL ;  NULL       
REMARK   3   BOND ANGLES REFINED ATOMS   (DEGREES):  7884 ; 1.370 ; 1.953       
REMARK   3   BOND ANGLES OTHERS          (DEGREES):  NULL ;  NULL ;  NULL       
REMARK   3   TORSION ANGLES, PERIOD 1    (DEGREES):   714 ; 6.445 ; 5.000       
REMARK   3   TORSION ANGLES, PERIOD 2    (DEGREES):   244 ;38.775 ;24.836       
REMARK   3   TORSION ANGLES, PERIOD 3    (DEGREES):   909 ;16.717 ;15.000       
REMARK   3   TORSION ANGLES, PERIOD 4    (DEGREES):    22 ;16.913 ;15.000       
REMARK   3   CHIRAL-CENTER RESTRAINTS       (A**3):   854 ; 0.091 ; 0.200       
REMARK   3   GENERAL PLANES REFINED ATOMS      (A):  4443 ; 0.006 ; 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):  3572 ; 0.711 ; 1.500       
REMARK   3   MAIN-CHAIN BOND OTHER ATOMS    (A**2):  NULL ;  NULL ;  NULL       
REMARK   3   MAIN-CHAIN ANGLE REFINED ATOMS (A**2):  5762 ; 1.354 ; 2.000       
REMARK   3   MAIN-CHAIN ANGLE OTHER ATOMS   (A**2):  NULL ;  NULL ;  NULL       
REMARK   3   SIDE-CHAIN BOND REFINED ATOMS  (A**2):  2198 ; 1.953 ; 3.000       
REMARK   3   SIDE-CHAIN BOND OTHER ATOMS    (A**2):  NULL ;  NULL ;  NULL       
REMARK   3   SIDE-CHAIN ANGLE REFINED ATOMS (A**2):  2122 ; 3.304 ; 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: HYDROGENS HAVE BEEN ADDED IN THE RIDING   
REMARK   3  POSITIONS U VALUES : REFINED INDIVIDUALLY                           
REMARK   4                                                                      
REMARK   4 3IXH COMPLIES WITH FORMAT V. 3.30, 13-JUL-11                         
REMARK 100                                                                      
REMARK 100 THIS ENTRY HAS BEEN PROCESSED BY RCSB ON 15-SEP-09.                  
REMARK 100 THE DEPOSITION ID IS D_1000054987.                                   
REMARK 200                                                                      
REMARK 200 EXPERIMENTAL DETAILS                                                 
REMARK 200  EXPERIMENT TYPE                : X-RAY DIFFRACTION                  
REMARK 200  DATE OF DATA COLLECTION        : 26-JAN-09                          
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) : 1.11587                            
REMARK 200  MONOCHROMATOR                  : DOUBLE CRYSTAL                     
REMARK 200  OPTICS                         : MIRRORS                            
REMARK 200                                                                      
REMARK 200  DETECTOR TYPE                  : CCD                                
REMARK 200  DETECTOR MANUFACTURER          : ADSC QUANTUM 4                     
REMARK 200  INTENSITY-INTEGRATION SOFTWARE : MOSFLM                             
REMARK 200  DATA SCALING SOFTWARE          : SCALA 3.2.25                       
REMARK 200                                                                      
REMARK 200  NUMBER OF UNIQUE REFLECTIONS   : 33712                              
REMARK 200  RESOLUTION RANGE HIGH      (A) : 2.300                              
REMARK 200  RESOLUTION RANGE LOW       (A) : 86.822                             
REMARK 200  REJECTION CRITERIA  (SIGMA(I)) : NULL                               
REMARK 200                                                                      
REMARK 200 OVERALL.                                                             
REMARK 200  COMPLETENESS FOR RANGE     (%) : 96.9                               
REMARK 200  DATA REDUNDANCY                : 4.100                              
REMARK 200  R MERGE                    (I) : 0.10600                            
REMARK 200  R SYM                      (I) : 0.10600                            
REMARK 200  <I/SIGMA(I)> FOR THE DATA SET  : 13.3000                            
REMARK 200                                                                      
REMARK 200 IN THE HIGHEST RESOLUTION SHELL.                                     
REMARK 200  HIGHEST RESOLUTION SHELL, RANGE HIGH (A) : 2.30                     
REMARK 200  HIGHEST RESOLUTION SHELL, RANGE LOW  (A) : 2.42                     
REMARK 200  COMPLETENESS FOR SHELL     (%) : 96.2                               
REMARK 200  DATA REDUNDANCY IN SHELL       : 4.30                               
REMARK 200  R MERGE FOR SHELL          (I) : 0.31700                            
REMARK 200  R SYM FOR SHELL            (I) : 0.31700                            
REMARK 200  <I/SIGMA(I)> FOR SHELL         : 2.300                              
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: NULL                                                 
REMARK 200                                                                      
REMARK 200 REMARK: NULL                                                         
REMARK 280                                                                      
REMARK 280 CRYSTAL                                                              
REMARK 280 SOLVENT CONTENT, VS   (%): 51.04                                     
REMARK 280 MATTHEWS COEFFICIENT, VM (ANGSTROMS**3/DA): 2.51                     
REMARK 280                                                                      
REMARK 280 CRYSTALLIZATION CONDITIONS: 1.7M KPI, PH 8.7, VAPOR DIFFUSION,       
REMARK 280  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       58.90150            
REMARK 290   SMTRY2   3  0.000000  1.000000  0.000000       38.79150            
REMARK 290   SMTRY3   3  0.000000  0.000000  1.000000        0.00000            
REMARK 290   SMTRY1   4 -1.000000  0.000000  0.000000       58.90150            
REMARK 290   SMTRY2   4  0.000000  1.000000  0.000000       38.79150            
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 SOFTWARE DETERMINED QUATERNARY STRUCTURE: MONOMERIC                  
REMARK 350 SOFTWARE USED: PISA                                                  
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 SOFTWARE DETERMINED QUATERNARY STRUCTURE: MONOMERIC                  
REMARK 350 SOFTWARE USED: PISA                                                  
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 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   OG   SER B    64     C8   CEF B   362              1.56            
REMARK 500   O    VAL A   308     OG   SER A   311              2.09            
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    GLN B  35       47.24     39.72                                   
REMARK 500    VAL B 178      -58.39   -123.61                                   
REMARK 500    ASN B 341       44.08    -98.82                                   
REMARK 500    PRO A   5      141.25    -39.71                                   
REMARK 500    VAL A 178      -61.87   -127.88                                   
REMARK 500    SER A 287      -33.25   -156.62                                   
REMARK 500    ASP A 288      172.22    -47.36                                   
REMARK 500    ILE A 291      -61.55    -95.12                                   
REMARK 500    ASN A 341       42.46    -97.50                                   
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 PCZ B 362                 
REMARK 900                                                                      
REMARK 900 RELATED ENTRIES                                                      
REMARK 900 RELATED ID: 3IWI   RELATED DB: PDB                                   
REMARK 900 RELATED ID: 3IWO   RELATED DB: PDB                                   
REMARK 900 RELATED ID: 3IWQ   RELATED DB: PDB                                   
REMARK 900 RELATED ID: 3IXB   RELATED DB: PDB                                   
REMARK 900 RELATED ID: 3IXD   RELATED DB: PDB                                   
REMARK 900 RELATED ID: 3IXG   RELATED DB: PDB                                   
DBREF  3IXH B    4   361  UNP    P00811   AMPC_ECOLI      20    377             
DBREF  3IXH A    4   361  UNP    P00811   AMPC_ECOLI      20    377             
SEQADV 3IXH GLY B  221  UNP  P00811    TYR   237 ENGINEERED MUTATION            
SEQADV 3IXH GLY A  221  UNP  P00811    TYR   237 ENGINEERED MUTATION            
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 GLY 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                                  
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 GLY 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                                  
HET    CEF  B 362      26                                                       
HETNAM     CEF CEFOTAXIME, C3' CLEAVED, OPEN, BOUND FORM                        
FORMUL   3  CEF    C14 H15 N5 O5 S2                                             
FORMUL   4  HOH   *182(H2 O)                                                    
HELIX    1   1 PRO B    5  LYS B   24  1                                  20    
HELIX    2   2 VAL B   65  ARG B   80  1                                  16    
HELIX    3   3 PRO B   88  TRP B   93  1                                   6    
HELIX    4   4 ALA B   98  ASN B  102  5                                   5    
HELIX    5   5 THR B  105  THR B  111  1                                   7    
HELIX    6   6 SER B  127  TRP B  138  1                                  12    
HELIX    7   7 ALA B  151  VAL B  163  1                                  13    
HELIX    8   8 SER B  169  VAL B  178  1                                  10    
HELIX    9   9 PRO B  192  TYR B  199  5                                   8    
HELIX   10  10 LEU B  216  GLY B  222  1                                   7    
HELIX   11  11 THR B  226  LYS B  239  1                                  14    
HELIX   12  12 PRO B  240  ILE B  243  5                                   4    
HELIX   13  13 GLU B  245  GLN B  256  1                                  12    
HELIX   14  14 ASN B  279  SER B  287  1                                   9    
HELIX   15  15 ASP B  288  LEU B  293  1                                   6    
HELIX   16  16 PRO B  330  GLU B  333  5                                   4    
HELIX   17  17 PRO B  345  GLN B  361  1                                  17    
HELIX   18  18 PRO A    5  LYS A   24  1                                  20    
HELIX   19  19 VAL A   65  ARG A   80  1                                  16    
HELIX   20  20 PRO A   88  TYR A   92  5                                   5    
HELIX   21  21 ALA A   98  ASN A  102  5                                   5    
HELIX   22  22 THR A  105  THR A  111  1                                   7    
HELIX   23  23 SER A  127  TRP A  138  1                                  12    
HELIX   24  24 ALA A  151  VAL A  163  1                                  13    
HELIX   25  25 SER A  169  VAL A  178  1                                  10    
HELIX   26  26 PHE A  179  LYS A  183  5                                   5    
HELIX   27  27 PRO A  192  TYR A  199  5                                   8    
HELIX   28  28 LEU A  216  GLY A  222  1                                   7    
HELIX   29  29 THR A  226  LYS A  239  1                                  14    
HELIX   30  30 PRO A  240  ILE A  243  5                                   4    
HELIX   31  31 GLU A  245  GLN A  256  1                                  12    
HELIX   32  32 ASN A  279  ASN A  285  1                                   7    
HELIX   33  33 PRO A  330  LYS A  332  5                                   3    
HELIX   34  34 PRO A  345  GLN A  361  1                                  17    
SHEET    1   A10 GLN B  52  PRO B  53  0                                        
SHEET    2   A10 LYS B  37  ASP B  47 -1  N  ALA B  46   O  GLN B  52           
SHEET    3   A10 GLY B  27  TYR B  34 -1  N  TYR B  34   O  LYS B  37           
SHEET    4   A10 LEU B 334  ALA B 340 -1  O  GLY B 335   N  ILE B  33           
SHEET    5   A10 GLY B 323  ILE B 329 -1  N  ILE B 329   O  LEU B 334           
SHEET    6   A10 SER B 311  ALA B 318 -1  N  GLY B 317   O  SER B 324           
SHEET    7   A10 GLU B 272  ASP B 275 -1  N  LEU B 274   O  TRP B 312           
SHEET    8   A10 MET B 265  GLN B 267 -1  N  TYR B 266   O  MET B 273           
SHEET    9   A10 ARG B 258  THR B 262 -1  N  THR B 262   O  MET B 265           
SHEET   10   A10 LYS B 299  THR B 305 -1  O  THR B 305   N  ARG B 258           
SHEET    1   B 2 PHE B  60  GLU B  61  0                                        
SHEET    2   B 2 LYS B 224  SER B 225 -1  O  SER B 225   N  PHE B  60           
SHEET    1   C 2 GLN B 147  ARG B 148  0                                        
SHEET    2   C 2 ARG B 296  PRO B 297 -1  O  ARG B 296   N  ARG B 148           
SHEET    1   D 2 GLY B 202  ARG B 204  0                                        
SHEET    2   D 2 LYS B 207  VAL B 209 -1  O  VAL B 209   N  GLY B 202           
SHEET    1   E10 GLN A  52  PRO A  53  0                                        
SHEET    2   E10 LYS A  37  ASP A  47 -1  N  ALA A  46   O  GLN A  52           
SHEET    3   E10 GLY A  27  TYR A  34 -1  N  TYR A  34   O  LYS A  37           
SHEET    4   E10 LEU A 334  ALA A 340 -1  O  GLY A 335   N  ILE A  33           
SHEET    5   E10 GLY A 323  ILE A 329 -1  N  ALA A 327   O  ILE A 336           
SHEET    6   E10 SER A 311  ALA A 318 -1  N  GLY A 317   O  SER A 324           
SHEET    7   E10 GLU A 272  ASP A 275 -1  N  GLU A 272   O  HIS A 314           
SHEET    8   E10 MET A 265  GLN A 267 -1  N  TYR A 266   O  MET A 273           
SHEET    9   E10 ARG A 258  THR A 262 -1  N  THR A 262   O  MET A 265           
SHEET   10   E10 LYS A 299  THR A 305 -1  O  THR A 305   N  ARG A 258           
SHEET    1   F 2 PHE A  60  GLU A  61  0                                        
SHEET    2   F 2 LYS A 224  SER A 225 -1  O  SER A 225   N  PHE A  60           
SHEET    1   G 2 GLN A 147  ARG A 148  0                                        
SHEET    2   G 2 ARG A 296  PRO A 297 -1  O  ARG A 296   N  ARG A 148           
SHEET    1   H 2 GLY A 202  ARG A 204  0                                        
SHEET    2   H 2 LYS A 207  VAL A 209 -1  O  LYS A 207   N  ARG A 204           
CISPEP   1 TRP B  276    PRO B  277          0        -3.63                     
CISPEP   2 THR B  302    PRO B  303          0         1.12                     
CISPEP   3 TRP A  276    PRO A  277          0         8.96                     
CISPEP   4 THR A  302    PRO A  303          0        -2.45                     
SITE     1 AC1 11 GLY B  63  SER B  64  GLN B 120  ASN B 152                    
SITE     2 AC1 11 GLY B 221  ASN B 289  GLY B 317  ALA B 318                    
SITE     3 AC1 11 GLY B 320  ASN B 343  HOH B 419                               
CRYST1  117.803   77.583   98.887  90.00 118.60  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      0.008489  0.000000  0.004628        0.00000                         
SCALE2      0.000000  0.012889  0.000000        0.00000                         
SCALE3      0.000000  0.000000  0.011518        0.00000                         
(ATOM LINES ARE NOT SHOWN.)
END                                                                             
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