PDB Short entry for 5A91
HEADER    HYDROLASE                               17-JUL-15   5A91              
TITLE     15K X-RAY LIGAND FREE: EXPLORING THE MECHANISM OF BETA-LACTAM RING    
TITLE    2 PROTONATION IN THE CLASS A BETA-LACTAMASE ACYLATION MECHANISM USING  
TITLE    3 NEUTRON AND X-RAY CRYSTALLOGRAPHY                                    
COMPND    MOL_ID: 1;                                                            
COMPND   2 MOLECULE:;                                                           
COMPND   3 CHAIN: A;                                                            
COMPND   4 SYNONYM: TOHO1 BETA LACTMAMASE;                                      
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: 562;                                                 
SOURCE   4 EXPRESSION_SYSTEM: ESCHERICHIA COLI;                                 
SOURCE   5 EXPRESSION_SYSTEM_TAXID: 562                                         
KEYWDS    HYDROLASE, BETA LACTAMASE, NEUTRON CRYSTALLOGRAPHY                    
EXPDTA    X-RAY DIFFRACTION                                                     
AUTHOR    V.G.VANDAVASI,K.L.WEISS,J.B.COOPER,P.T.ERSKINE,S.J.TOMANICEK,         
AUTHOR   2 A.OSTERMANN,T.E.SCHRADER,S.L.GINELL,L.COATES                         
REVDAT   3   09-OCT-19 5A91    1       REMARK ATOM                              
REVDAT   2   27-JAN-16 5A91    1       JRNL                                     
REVDAT   1   16-DEC-15 5A91    0                                                
JRNL        AUTH   V.G.VANDAVASI,K.L.WEISS,J.B.COOPER,P.T.ERSKINE,              
JRNL        AUTH 2 S.J.TOMANICEK,A.OSTERMANN,T.E.SCHRADER,S.L.GINELL,L.COATES   
JRNL        TITL   EXPLORING THE MECHANISM OF BETA-LACTAM RING PROTONATION IN   
JRNL        TITL 2 THE CLASS A BETA-LACTAMASE ACYLATION MECHANISM USING NEUTRON 
JRNL        TITL 3 AND X-RAY CRYSTALLOGRAPHY.                                   
JRNL        REF    J.MED.CHEM.                   V.  59   474 2016              
JRNL        REFN                   ISSN 0022-2623                               
JRNL        PMID   26630115                                                     
JRNL        DOI    10.1021/ACS.JMEDCHEM.5B01215                                 
REMARK   2                                                                      
REMARK   2 RESOLUTION.    1.20 ANGSTROMS.                                       
REMARK   3                                                                      
REMARK   3 REFINEMENT.                                                          
REMARK   3   PROGRAM     : PHENIX (PHENIX.REFINE)                               
REMARK   3   AUTHORS     : PAUL ADAMS,PAVEL AFONINE,VINCENT CHEN,IAN            
REMARK   3               : DAVIS,KRESHNA GOPAL,RALF GROSSE-KUNSTLEVE,           
REMARK   3               : LI-WEI HUNG,ROBERT IMMORMINO,TOM IOERGER,            
REMARK   3               : AIRLIE MCCOY,ERIK MCKEE,NIGEL MORIARTY,              
REMARK   3               : REETAL PAI,RANDY READ,JANE RICHARDSON,               
REMARK   3               : DAVID RICHARDSON,TOD ROMO,JIM SACCHETTINI,           
REMARK   3               : NICHOLAS SAUTER,JACOB SMITH,LAURENT                  
REMARK   3               : STORONI,TOM TERWILLIGER,PETER ZWART                  
REMARK   3                                                                      
REMARK   3    REFINEMENT TARGET : ML                                            
REMARK   3                                                                      
REMARK   3  DATA USED IN REFINEMENT.                                            
REMARK   3   RESOLUTION RANGE HIGH (ANGSTROMS) : 1.20                           
REMARK   3   RESOLUTION RANGE LOW  (ANGSTROMS) : 36.20                          
REMARK   3   MIN(FOBS/SIGMA_FOBS)              : 1.340                          
REMARK   3   COMPLETENESS FOR RANGE        (%) : 94.0                           
REMARK   3   NUMBER OF REFLECTIONS             : 86837                          
REMARK   3                                                                      
REMARK   3  FIT TO DATA USED IN REFINEMENT.                                     
REMARK   3   R VALUE     (WORKING + TEST SET) : 0.130                           
REMARK   3   R VALUE            (WORKING SET) : 0.129                           
REMARK   3   FREE R VALUE                     : 0.151                           
REMARK   3   FREE R VALUE TEST SET SIZE   (%) : 5.100                           
REMARK   3   FREE R VALUE TEST SET COUNT      : 4412                            
REMARK   3                                                                      
REMARK   3  FIT TO DATA USED IN REFINEMENT (IN BINS).                           
REMARK   3   BIN  RESOLUTION RANGE  COMPL.    NWORK NFREE   RWORK  RFREE        
REMARK   3     1 36.2155 -  3.7274    0.85     2676   144  0.1561 0.1678        
REMARK   3     2  3.7274 -  2.9590    0.89     2676   140  0.1401 0.1550        
REMARK   3     3  2.9590 -  2.5851    0.90     2651   160  0.1396 0.1771        
REMARK   3     4  2.5851 -  2.3487    0.91     2724   143  0.1228 0.1254        
REMARK   3     5  2.3487 -  2.1804    0.91     2687   147  0.1188 0.1264        
REMARK   3     6  2.1804 -  2.0519    0.92     2734   118  0.1165 0.1304        
REMARK   3     7  2.0519 -  1.9491    0.93     2720   140  0.1171 0.1312        
REMARK   3     8  1.9491 -  1.8643    0.93     2703   154  0.1167 0.1271        
REMARK   3     9  1.8643 -  1.7925    0.93     2762   138  0.1164 0.1367        
REMARK   3    10  1.7925 -  1.7307    0.93     2694   156  0.1187 0.1524        
REMARK   3    11  1.7307 -  1.6766    0.94     2732   136  0.1170 0.1446        
REMARK   3    12  1.6766 -  1.6286    0.94     2716   174  0.1120 0.1482        
REMARK   3    13  1.6286 -  1.5858    0.94     2764   135  0.1166 0.1236        
REMARK   3    14  1.5858 -  1.5471    0.95     2743   157  0.1134 0.1452        
REMARK   3    15  1.5471 -  1.5119    0.95     2732   147  0.1152 0.1287        
REMARK   3    16  1.5119 -  1.4797    0.95     2772   139  0.1176 0.1650        
REMARK   3    17  1.4797 -  1.4501    0.95     2768   137  0.1215 0.1557        
REMARK   3    18  1.4501 -  1.4228    0.95     2769   146  0.1255 0.1495        
REMARK   3    19  1.4228 -  1.3973    0.95     2773   157  0.1250 0.1341        
REMARK   3    20  1.3973 -  1.3737    0.96     2779   145  0.1303 0.1560        
REMARK   3    21  1.3737 -  1.3515    0.96     2763   164  0.1328 0.1760        
REMARK   3    22  1.3515 -  1.3307    0.96     2750   152  0.1372 0.1693        
REMARK   3    23  1.3307 -  1.3111    0.96     2788   158  0.1332 0.1627        
REMARK   3    24  1.3111 -  1.2927    0.96     2763   149  0.1359 0.1518        
REMARK   3    25  1.2927 -  1.2752    0.96     2801   152  0.1337 0.1541        
REMARK   3    26  1.2752 -  1.2586    0.96     2817   133  0.1406 0.1859        
REMARK   3    27  1.2586 -  1.2429    0.96     2777   144  0.1439 0.1890        
REMARK   3    28  1.2429 -  1.2279    0.97     2763   131  0.1497 0.1823        
REMARK   3    29  1.2279 -  1.2136    0.97     2818   173  0.1452 0.1679        
REMARK   3    30  1.2136 -  1.2000    0.97     2810   143  0.1515 0.1879        
REMARK   3                                                                      
REMARK   3  BULK SOLVENT MODELLING.                                             
REMARK   3   METHOD USED        : FLAT BULK SOLVENT MODEL                       
REMARK   3   SOLVENT RADIUS     : 1.11                                          
REMARK   3   SHRINKAGE RADIUS   : 0.90                                          
REMARK   3   K_SOL              : NULL                                          
REMARK   3   B_SOL              : NULL                                          
REMARK   3                                                                      
REMARK   3  ERROR ESTIMATES.                                                    
REMARK   3   COORDINATE ERROR (MAXIMUM-LIKELIHOOD BASED)     : 0.070            
REMARK   3   PHASE ERROR (DEGREES, MAXIMUM-LIKELIHOOD BASED) : 12.570           
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  TWINNING INFORMATION.                                               
REMARK   3   FRACTION: NULL                                                     
REMARK   3   OPERATOR: NULL                                                     
REMARK   3                                                                      
REMARK   3  DEVIATIONS FROM IDEAL VALUES.                                       
REMARK   3                 RMSD          COUNT                                  
REMARK   3   BOND      :  0.011           2103                                  
REMARK   3   ANGLE     :  1.492           2880                                  
REMARK   3   CHIRALITY :  0.084            338                                  
REMARK   3   PLANARITY :  0.009            374                                  
REMARK   3   DIHEDRAL  : 12.906            794                                  
REMARK   3                                                                      
REMARK   3  TLS DETAILS                                                         
REMARK   3   NUMBER OF TLS GROUPS  : NULL                                       
REMARK   3                                                                      
REMARK   3  NCS DETAILS                                                         
REMARK   3   NUMBER OF NCS GROUPS : NULL                                        
REMARK   3                                                                      
REMARK   3  OTHER REFINEMENT REMARKS: NULL                                      
REMARK   4                                                                      
REMARK   4 5A91 COMPLIES WITH FORMAT V. 3.30, 13-JUL-11                         
REMARK 100                                                                      
REMARK 100 THIS ENTRY HAS BEEN PROCESSED BY PDBE ON 17-JUL-15.                  
REMARK 100 THE DEPOSITION ID IS D_1290064365.                                   
REMARK 200                                                                      
REMARK 200 EXPERIMENTAL DETAILS                                                 
REMARK 200  EXPERIMENT TYPE                : X-RAY DIFFRACTION                  
REMARK 200  DATE OF DATA COLLECTION        : NULL                               
REMARK 200  TEMPERATURE           (KELVIN) : 15                                 
REMARK 200  PH                             : NULL                               
REMARK 200  NUMBER OF CRYSTALS USED        : NULL                               
REMARK 200                                                                      
REMARK 200  SYNCHROTRON              (Y/N) : Y                                  
REMARK 200  RADIATION SOURCE               : APS                                
REMARK 200  BEAMLINE                       : 19-ID                              
REMARK 200  X-RAY GENERATOR MODEL          : NULL                               
REMARK 200  MONOCHROMATIC OR LAUE    (M/L) : M                                  
REMARK 200  WAVELENGTH OR RANGE        (A) : 0.67                               
REMARK 200  MONOCHROMATOR                  : NULL                               
REMARK 200  OPTICS                         : NULL                               
REMARK 200                                                                      
REMARK 200  DETECTOR TYPE                  : CCD                                
REMARK 200  DETECTOR MANUFACTURER          : ADSC QUANTUM 315R                  
REMARK 200  INTENSITY-INTEGRATION SOFTWARE : XDS                                
REMARK 200  DATA SCALING SOFTWARE          : XDS                                
REMARK 200                                                                      
REMARK 200  NUMBER OF UNIQUE REFLECTIONS   : 86849                              
REMARK 200  RESOLUTION RANGE HIGH      (A) : 1.200                              
REMARK 200  RESOLUTION RANGE LOW       (A) : 38.410                             
REMARK 200  REJECTION CRITERIA  (SIGMA(I)) : 0.000                              
REMARK 200                                                                      
REMARK 200 OVERALL.                                                             
REMARK 200  COMPLETENESS FOR RANGE     (%) : 96.9                               
REMARK 200  DATA REDUNDANCY                : 5.800                              
REMARK 200  R MERGE                    (I) : 0.07300                            
REMARK 200  R SYM                      (I) : NULL                               
REMARK 200  <I/SIGMA(I)> FOR THE DATA SET  : 8.4000                             
REMARK 200                                                                      
REMARK 200 IN THE HIGHEST RESOLUTION SHELL.                                     
REMARK 200  HIGHEST RESOLUTION SHELL, RANGE HIGH (A) : 1.20                     
REMARK 200  HIGHEST RESOLUTION SHELL, RANGE LOW  (A) : 1.26                     
REMARK 200  COMPLETENESS FOR SHELL     (%) : NULL                               
REMARK 200  DATA REDUNDANCY IN SHELL       : 5.70                               
REMARK 200  R MERGE FOR SHELL          (I) : 0.34000                            
REMARK 200  R SYM FOR SHELL            (I) : NULL                               
REMARK 200  <I/SIGMA(I)> FOR SHELL         : 2.500                              
REMARK 200                                                                      
REMARK 200 DIFFRACTION PROTOCOL: SINGLE WAVELENGTH                              
REMARK 200 METHOD USED TO DETERMINE THE STRUCTURE: OTHER                        
REMARK 200 SOFTWARE USED: NULL                                                  
REMARK 200 STARTING MODEL: NONE                                                 
REMARK 200                                                                      
REMARK 200 REMARK: NONE                                                         
REMARK 280                                                                      
REMARK 280 CRYSTAL                                                              
REMARK 280 SOLVENT CONTENT, VS   (%): 52.97                                     
REMARK 280 MATTHEWS COEFFICIENT, VM (ANGSTROMS**3/DA): 2.62                     
REMARK 280                                                                      
REMARK 280 CRYSTALLIZATION CONDITIONS: 300 UL OF A 10 MG/ML PROTEIN             
REMARK 280  CONCENTRATION IN A SOLUTION CONTAINING 2.0 M AMMONIUM SULFATE       
REMARK 280  AND 0.1 M SODIUM CITRATE (PH 6.1) PREPARED IN D 2 O.,               
REMARK 280  TEMPERATURE 293K                                                    
REMARK 290                                                                      
REMARK 290 CRYSTALLOGRAPHIC SYMMETRY                                            
REMARK 290 SYMMETRY OPERATORS FOR SPACE GROUP: P 32 2 1                         
REMARK 290                                                                      
REMARK 290      SYMOP   SYMMETRY                                                
REMARK 290     NNNMMM   OPERATOR                                                
REMARK 290       1555   X,Y,Z                                                   
REMARK 290       2555   -Y,X-Y,Z+2/3                                            
REMARK 290       3555   -X+Y,-X,Z+1/3                                           
REMARK 290       4555   Y,X,-Z                                                  
REMARK 290       5555   X-Y,-Y,-Z+1/3                                           
REMARK 290       6555   -X,-X+Y,-Z+2/3                                          
REMARK 290                                                                      
REMARK 290     WHERE NNN -> OPERATOR NUMBER                                     
REMARK 290           MMM -> TRANSLATION VECTOR                                  
REMARK 290                                                                      
REMARK 290 CRYSTALLOGRAPHIC SYMMETRY TRANSFORMATIONS                            
REMARK 290 THE FOLLOWING TRANSFORMATIONS OPERATE ON THE ATOM/HETATM             
REMARK 290 RECORDS IN THIS ENTRY TO PRODUCE CRYSTALLOGRAPHICALLY                
REMARK 290 RELATED MOLECULES.                                                   
REMARK 290   SMTRY1   1  1.000000  0.000000  0.000000        0.00000            
REMARK 290   SMTRY2   1  0.000000  1.000000  0.000000        0.00000            
REMARK 290   SMTRY3   1  0.000000  0.000000  1.000000        0.00000            
REMARK 290   SMTRY1   2 -0.500000 -0.866025  0.000000        0.00000            
REMARK 290   SMTRY2   2  0.866025 -0.500000  0.000000        0.00000            
REMARK 290   SMTRY3   2  0.000000  0.000000  1.000000       64.79867            
REMARK 290   SMTRY1   3 -0.500000  0.866025  0.000000        0.00000            
REMARK 290   SMTRY2   3 -0.866025 -0.500000  0.000000        0.00000            
REMARK 290   SMTRY3   3  0.000000  0.000000  1.000000       32.39933            
REMARK 290   SMTRY1   4 -0.500000  0.866025  0.000000        0.00000            
REMARK 290   SMTRY2   4  0.866025  0.500000  0.000000        0.00000            
REMARK 290   SMTRY3   4  0.000000  0.000000 -1.000000        0.00000            
REMARK 290   SMTRY1   5  1.000000  0.000000  0.000000        0.00000            
REMARK 290   SMTRY2   5  0.000000 -1.000000  0.000000        0.00000            
REMARK 290   SMTRY3   5  0.000000  0.000000 -1.000000       32.39933            
REMARK 290   SMTRY1   6 -0.500000 -0.866025  0.000000        0.00000            
REMARK 290   SMTRY2   6 -0.866025  0.500000  0.000000        0.00000            
REMARK 290   SMTRY3   6  0.000000  0.000000 -1.000000       64.79867            
REMARK 290                                                                      
REMARK 290 REMARK: NULL                                                         
REMARK 300                                                                      
REMARK 300 BIOMOLECULE: 1                                                       
REMARK 300 SEE REMARK 350 FOR THE AUTHOR PROVIDED AND/OR PROGRAM                
REMARK 300 GENERATED ASSEMBLY INFORMATION FOR THE STRUCTURE IN                  
REMARK 300 THIS ENTRY. THE REMARK MAY ALSO PROVIDE INFORMATION ON               
REMARK 300 BURIED SURFACE AREA.                                                 
REMARK 350                                                                      
REMARK 350 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 375                                                                      
REMARK 375 SPECIAL POSITION                                                     
REMARK 375 THE FOLLOWING ATOMS ARE FOUND TO BE WITHIN 0.15 ANGSTROMS            
REMARK 375 OF A SYMMETRY RELATED ATOM AND ARE ASSUMED TO BE ON SPECIAL          
REMARK 375 POSITIONS.                                                           
REMARK 375                                                                      
REMARK 375 ATOM RES CSSEQI                                                      
REMARK 375      HOH A2034  LIES ON A SPECIAL POSITION.                          
REMARK 375      HOH A2036  LIES ON A SPECIAL POSITION.                          
REMARK 375      HOH A2168  LIES ON A SPECIAL POSITION.                          
REMARK 375      HOH A2413  LIES ON A SPECIAL POSITION.                          
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     ALA A    26                                                      
REMARK 465     ASN A    27                                                      
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  2330     O    HOH A  2331              1.76            
REMARK 500   O2   SO4 A  1295     O    HOH A  2313              1.81            
REMARK 500   O    HOH A  2370     O    HOH A  2371              1.99            
REMARK 500   O    HOH A  2020     O    HOH A  2021              1.99            
REMARK 500   O    HOH A  2275     O    HOH A  2278              2.01            
REMARK 500   O    HOH A  2132     O    HOH A  2133              2.02            
REMARK 500   O    HOH A  2157     O    HOH A  2158              2.02            
REMARK 500   O    HOH A  2046     O    HOH A  2055              2.03            
REMARK 500   O    HOH A  2171     O    HOH A  2174              2.05            
REMARK 500   O    HOH A  2322     O    HOH A  2324              2.07            
REMARK 500   O    HOH A  2038     O    HOH A  2412              2.08            
REMARK 500   O    HOH A  2135     O    HOH A  2291              2.09            
REMARK 500   NH2  ARG A   204     O    HOH A  2322              2.09            
REMARK 500   O    HOH A  2301     O    HOH A  2302              2.10            
REMARK 500   O    HOH A  2390     O    HOH A  2392              2.11            
REMARK 500   NE2  GLN A   203     O    HOH A  2134              2.11            
REMARK 500   O    HOH A  2217     O    HOH A  2223              2.11            
REMARK 500   O    HOH A  2107     O    HOH A  2223              2.12            
REMARK 500   O    HOH A  2142     O    HOH A  2302              2.13            
REMARK 500   O    HOH A  2165     O    HOH A  2236              2.16            
REMARK 500   O    HOH A  2005     O    HOH A  2006              2.17            
REMARK 500   O    HOH A  2155     O    HOH A  2159              2.17            
REMARK 500   OD1  ASN A   192     O    HOH A  2317              2.17            
REMARK 500   O    HOH A  2016     O    HOH A  2017              2.18            
REMARK 500   O    HOH A  2051     O    HOH A  2084              2.18            
REMARK 500   O    HOH A  2134     O    HOH A  2336              2.18            
REMARK 500   O    HOH A  2394     O    HOH A  2395              2.18            
REMARK 500   O    HOH A  2241     O    HOH A  2436              2.19            
REMARK 500   O    HOH A  2156     O    HOH A  2309              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 A  2020     O    HOH A  2326     4655     1.65            
REMARK 500   O    HOH A  2038     O    HOH A  2425     5555     1.93            
REMARK 500   O    HOH A  2140     O    HOH A  2371     2544     2.00            
REMARK 500   O    HOH A  2152     O    HOH A  2171     4645     2.15            
REMARK 500   O    HOH A  2107     O    HOH A  2407     5545     2.17            
REMARK 500   O    HOH A  2057     O    HOH A  2404     4655     2.19            
REMARK 500   O1   SO4 A  1295     O    HOH A  2408     4655     2.19            
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    CYS A  69     -142.40     50.83                                   
REMARK 500    VAL A 103     -137.25   -118.26                                   
REMARK 500    TYR A 105       92.53   -162.20                                   
REMARK 500    ASN A 106       59.88   -142.98                                   
REMARK 500    ASN A 114       -6.07     80.16                                   
REMARK 500    SER A 220     -127.88   -101.40                                   
REMARK 500                                                                      
REMARK 500 REMARK: NULL                                                         
REMARK 615                                                                      
REMARK 615 ZERO OCCUPANCY ATOM                                                  
REMARK 615 THE FOLLOWING RESIDUES HAVE ATOMS MODELED WITH ZERO                  
REMARK 615 OCCUPANCY. THE LOCATION AND PROPERTIES OF THESE ATOMS                
REMARK 615 MAY NOT BE RELIABLE. (M=MODEL NUMBER; RES=RESIDUE NAME;              
REMARK 615 C=CHAIN IDENTIFIER; SSEQ=SEQUENCE NUMBER; I=INSERTION CODE):         
REMARK 615   M RES C  SSEQI                                                     
REMARK 615     HOH A  2327                                                      
REMARK 800                                                                      
REMARK 800 SITE                                                                 
REMARK 800 SITE_IDENTIFIER: AC1                                                 
REMARK 800 EVIDENCE_CODE: SOFTWARE                                              
REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE SO4 A 1291                
REMARK 800                                                                      
REMARK 800 SITE_IDENTIFIER: AC2                                                 
REMARK 800 EVIDENCE_CODE: SOFTWARE                                              
REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE SO4 A 1292                
REMARK 800                                                                      
REMARK 800 SITE_IDENTIFIER: AC3                                                 
REMARK 800 EVIDENCE_CODE: SOFTWARE                                              
REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE SO4 A 1293                
REMARK 800                                                                      
REMARK 800 SITE_IDENTIFIER: AC4                                                 
REMARK 800 EVIDENCE_CODE: SOFTWARE                                              
REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE SO4 A 1294                
REMARK 800                                                                      
REMARK 800 SITE_IDENTIFIER: AC5                                                 
REMARK 800 EVIDENCE_CODE: SOFTWARE                                              
REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE SO4 A 1295                
REMARK 900                                                                      
REMARK 900 RELATED ENTRIES                                                      
REMARK 900 RELATED ID: 5A90   RELATED DB: PDB                                   
REMARK 900 100K NEUTRON LIGAND FREE: EXPLORING THE MECHANISM OF BETA-LACTAM     
REMARK 900 RING PROTONATION IN THE CLASS A BETA- LACTAMASE ACYLATION MECHANISM  
REMARK 900 USING NEUTRON AND X-RAY CRYSTALLOGRAPHY                              
REMARK 900 RELATED ID: 5A92   RELATED DB: PDB                                   
REMARK 900 15K X-RAY STRUCTURE WITH CEFOTAXIME: EXPLORING THE MECHANISM OF      
REMARK 900 BETA-LACTAM RING PROTONATION IN THE CLASS A BETA-LACTAMASE           
REMARK 900 ACYLATION MECHANISM USING NEUTRON AND X-RAY CRYSTALLOGRAPHY          
REMARK 900 RELATED ID: 5A93   RELATED DB: PDB                                   
REMARK 900 293K JOINT X-RAY NEUTRON WITH CEFOTAXIME: EXPLORING THE MECHANISM    
REMARK 900 OF BETA-LACTAM RING PROTONATION IN THE CLASS A BETA-LACTAMASE        
REMARK 900 ACYLATION MECHANISM USING NEUTRON AND X-RAY CRYSTALLOGRAPHY          
DBREF  5A91 A   26   290  UNP    E1ANH6   BLC97_ECOLX     30    291             
SEQADV 5A91 ALA A  166  UNP  E1ANH6    GLU   169 ENGINEERED MUTATION            
SEQADV 5A91 ASN A  274  UNP  E1ANH6    SER   275 CONFLICT                       
SEQADV 5A91 ASN A  276  UNP  E1ANH6    ARG   277 CONFLICT                       
SEQRES   1 A  262  ALA ASN SER VAL GLN GLN GLN LEU GLU ALA LEU GLU LYS          
SEQRES   2 A  262  SER SER GLY GLY ARG LEU GLY VAL ALA LEU ILE ASN THR          
SEQRES   3 A  262  ALA ASP ASN SER GLN ILE LEU TYR ARG ALA ASP GLU ARG          
SEQRES   4 A  262  PHE ALA MET CYS SER THR SER LYS VAL MET ALA ALA ALA          
SEQRES   5 A  262  ALA VAL LEU LYS GLN SER GLU SER ASP LYS HIS LEU LEU          
SEQRES   6 A  262  ASN GLN ARG VAL GLU ILE LYS LYS SER ASP LEU VAL ASN          
SEQRES   7 A  262  TYR ASN PRO ILE ALA GLU LYS HIS VAL ASN GLY THR MET          
SEQRES   8 A  262  THR LEU ALA GLU LEU GLY ALA ALA ALA LEU GLN TYR SER          
SEQRES   9 A  262  ASP ASN THR ALA MET ASN LYS LEU ILE ALA HIS LEU GLY          
SEQRES  10 A  262  GLY PRO ASP LYS VAL THR ALA PHE ALA ARG SER LEU GLY          
SEQRES  11 A  262  ASP GLU THR PHE ARG LEU ASP ARG THR ALA PRO THR LEU          
SEQRES  12 A  262  ASN THR ALA ILE PRO GLY ASP PRO ARG ASP THR THR THR          
SEQRES  13 A  262  PRO LEU ALA MET ALA GLN THR LEU LYS ASN LEU THR LEU          
SEQRES  14 A  262  GLY LYS ALA LEU ALA GLU THR GLN ARG ALA GLN LEU VAL          
SEQRES  15 A  262  THR TRP LEU LYS GLY ASN THR THR GLY SER ALA SER ILE          
SEQRES  16 A  262  ARG ALA GLY LEU PRO LYS SER TRP VAL VAL GLY ASP LYS          
SEQRES  17 A  262  THR GLY SER GLY ASP TYR GLY THR THR ASN ASP ILE ALA          
SEQRES  18 A  262  VAL ILE TRP PRO GLU ASN HIS ALA PRO LEU VAL LEU VAL          
SEQRES  19 A  262  THR TYR PHE THR GLN PRO GLU GLN LYS ALA GLU ASN ARG          
SEQRES  20 A  262  ASN ASP ILE LEU ALA ALA ALA ALA LYS ILE VAL THR HIS          
SEQRES  21 A  262  GLY PHE                                                      
HET    SO4  A1291       5                                                       
HET    SO4  A1292       5                                                       
HET    SO4  A1293       5                                                       
HET    SO4  A1294       5                                                       
HET    SO4  A1295       5                                                       
HETNAM     SO4 SULFATE ION                                                      
FORMUL   2  SO4    5(O4 S 2-)                                                   
FORMUL   7  HOH   *442(H2 O)                                                    
HELIX    1   1 SER A   28  GLY A   41  1                                  14    
HELIX    2   2 CYS A   69  THR A   71  5                                   3    
HELIX    3   3 SER A   72  GLU A   85  1                                  14    
HELIX    4   4 LYS A   98  LEU A  102  5                                   5    
HELIX    5   5 ILE A  108  VAL A  113  5                                   6    
HELIX    6   6 LEU A  119  TYR A  129  1                                  11    
HELIX    7   7 ASP A  131  GLY A  143  1                                  13    
HELIX    8   8 GLY A  144  LEU A  155  1                                  12    
HELIX    9   9 PRO A  167  THR A  171  5                                   5    
HELIX   10  10 THR A  182  GLY A  196  1                                  15    
HELIX   11  11 ALA A  200  GLY A  213  1                                  14    
HELIX   12  12 SER A  220  LEU A  225  5                                   6    
HELIX   13  13 ARG A  275  HIS A  288  1                                  14    
SHEET    1  AA 5 GLN A  56  TYR A  60  0                                        
SHEET    2  AA 5 ARG A  43  ASN A  50 -1  O  VAL A  46   N  TYR A  60           
SHEET    3  AA 5 LEU A 259  THR A 266 -1  O  VAL A 260   N  ILE A  49           
SHEET    4  AA 5 THR A 244  TRP A 251 -1  N  THR A 244   O  PHE A 265           
SHEET    5  AA 5 VAL A 230  SER A 237 -1  O  VAL A 230   N  TRP A 251           
SHEET    1  AB 2 PHE A  66  ALA A  67  0                                        
SHEET    2  AB 2 THR A 180  THR A 181 -1  O  THR A 181   N  PHE A  66           
SHEET    1  AC 2 ARG A  94  GLU A  96  0                                        
SHEET    2  AC 2 THR A 116  THR A 118 -1  O  MET A 117   N  VAL A  95           
CISPEP   1 ALA A  166    PRO A  167          0         3.11                     
SITE     1 AC1  9 SER A  70  SER A 130  LYS A 234  THR A 235                    
SITE     2 AC1  9 GLY A 236  SER A 237  HOH A2118  HOH A2209                    
SITE     3 AC1  9 HOH A2439                                                     
SITE     1 AC2  9 TRP A 229  PRO A 252  GLU A 254  ASN A 255                    
SITE     2 AC2  9 HIS A 256  PHE A 290  HOH A2410  HOH A2438                    
SITE     3 AC2  9 HOH A2440                                                     
SITE     1 AC3 12 LYS A  82  ALA A 198  ASN A 274  ASN A 276                    
SITE     2 AC3 12 ASP A 277  HOH A2127  HOH A2323  HOH A2325                    
SITE     3 AC3 12 HOH A2370  HOH A2422  HOH A2427  HOH A2441                    
SITE     1 AC4  6 LYS A  88  HIS A  89  ASN A  92  HOH A2154                    
SITE     2 AC4  6 HOH A2157  HOH A2442                                          
SITE     1 AC5  7 ALA A  52  ARG A 178  HOH A2054  HOH A2293                    
SITE     2 AC5  7 HOH A2313  HOH A2408  HOH A2409                               
CRYST1   72.398   72.398   97.198  90.00  90.00 120.00 P 32 2 1      6          
ORIGX1      1.000000  0.000000  0.000000        0.00000                         
ORIGX2      0.000000  1.000000  0.000000        0.00000                         
ORIGX3      0.000000  0.000000  1.000000        0.00000                         
SCALE1      0.013813  0.007975  0.000000        0.00000                         
SCALE2      0.000000  0.015949  0.000000        0.00000                         
SCALE3      0.000000  0.000000  0.010288        0.00000