HEADER    ISOMERASE                               23-JAN-16   5HRC              
TITLE     CRYSTAL STRUCTURE OF AN ASPARTATE/GLUTAMATE RACEMASE IN COMPLEX WITH  
TITLE    2 L-ASPARTATE                                                          
COMPND    MOL_ID: 1;                                                            
COMPND   2 MOLECULE: ASPARTATE/GLUTAMATE RACEMASE;                              
COMPND   3 CHAIN: A, B;                                                         
COMPND   4 ENGINEERED: YES                                                      
SOURCE    MOL_ID: 1;                                                            
SOURCE   2 ORGANISM_SCIENTIFIC: ESCHERICHIA COLI O157:H7 STR. SS52;             
SOURCE   3 ORGANISM_TAXID: 1330457;                                             
SOURCE   4 STRAIN: SS52;                                                        
SOURCE   5 GENE: YGEA, SS52_3985;                                               
SOURCE   6 EXPRESSION_SYSTEM: ESCHERICHIA COLI BL21(DE3);                       
SOURCE   7 EXPRESSION_SYSTEM_TAXID: 469008;                                     
SOURCE   8 EXPRESSION_SYSTEM_STRAIN: BL21 (DE3);                                
SOURCE   9 EXPRESSION_SYSTEM_VECTOR_TYPE: PLASMID;                              
SOURCE  10 EXPRESSION_SYSTEM_PLASMID: PET-21B                                   
KEYWDS    ASPARTATE/GLUTAMATE RACEMASE, PLP-INDEPENDENT RACEMASE, RACEMIZATION  
KEYWDS   2 MECHANISM, ISOMERASE                                                 
EXPDTA    X-RAY DIFFRACTION                                                     
AUTHOR    X.LIU,F.GAO,Y.MA,S.LIU,Y.CUI,Z.YUAN,X.KANG                            
REVDAT   3   08-NOV-23 5HRC    1       JRNL   REMARK                            
REVDAT   2   18-MAY-16 5HRC    1       JRNL                                     
REVDAT   1   20-APR-16 5HRC    0                                                
JRNL        AUTH   X.LIU,F.GAO,Y.MA,S.LIU,Y.CUI,Z.YUAN,X.KANG                   
JRNL        TITL   CRYSTAL STRUCTURE AND MOLECULAR MECHANISM OF AN              
JRNL        TITL 2 ASPARTATE/GLUTAMATE RACEMASE FROM ESCHERICHIA COLI O157      
JRNL        REF    FEBS LETT.                    V. 590  1262 2016              
JRNL        REFN                   ISSN 0014-5793                               
JRNL        PMID   27001440                                                     
JRNL        DOI    10.1002/1873-3468.12148                                      
REMARK   2                                                                      
REMARK   2 RESOLUTION.    1.77 ANGSTROMS.                                       
REMARK   3                                                                      
REMARK   3 REFINEMENT.                                                          
REMARK   3   PROGRAM     : PHENIX (DEV_2257: ???)                               
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) : 1.77                           
REMARK   3   RESOLUTION RANGE LOW  (ANGSTROMS) : 32.73                          
REMARK   3   MIN(FOBS/SIGMA_FOBS)              : 0.000                          
REMARK   3   COMPLETENESS FOR RANGE        (%) : 91.2                           
REMARK   3   NUMBER OF REFLECTIONS             : 46028                          
REMARK   3                                                                      
REMARK   3  FIT TO DATA USED IN REFINEMENT.                                     
REMARK   3   R VALUE     (WORKING + TEST SET) : 0.220                           
REMARK   3   R VALUE            (WORKING SET) : 0.218                           
REMARK   3   FREE R VALUE                     : 0.258                           
REMARK   3   FREE R VALUE TEST SET SIZE   (%) : 5.090                           
REMARK   3   FREE R VALUE TEST SET COUNT      : 2345                            
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 32.7355 -  4.5351    0.91     2653   150  0.2200 0.2452        
REMARK   3     2  4.5351 -  3.6011    0.77     2185   116  0.1911 0.2112        
REMARK   3     3  3.6011 -  3.1463    0.90     2545   137  0.2050 0.2561        
REMARK   3     4  3.1463 -  2.8588    0.96     2718   150  0.2166 0.2303        
REMARK   3     5  2.8588 -  2.6540    0.97     2735   149  0.2261 0.2721        
REMARK   3     6  2.6540 -  2.4976    0.95     2681   123  0.2103 0.2342        
REMARK   3     7  2.4976 -  2.3726    0.94     2696   128  0.2181 0.2850        
REMARK   3     8  2.3726 -  2.2693    0.95     2632   140  0.2136 0.2476        
REMARK   3     9  2.2693 -  2.1820    0.94     2649   138  0.2172 0.2563        
REMARK   3    10  2.1820 -  2.1067    0.93     2586   145  0.2125 0.2342        
REMARK   3    11  2.1067 -  2.0408    0.94     2624   143  0.2229 0.2692        
REMARK   3    12  2.0408 -  1.9825    0.93     2608   157  0.2287 0.2977        
REMARK   3    13  1.9825 -  1.9303    0.92     2571   137  0.2293 0.2979        
REMARK   3    14  1.9303 -  1.8832    0.91     2528   131  0.2335 0.2736        
REMARK   3    15  1.8832 -  1.8404    0.90     2512   153  0.2424 0.3350        
REMARK   3    16  1.8404 -  1.8013    0.88     2438   141  0.2629 0.3207        
REMARK   3    17  1.8013 -  1.7652    0.82     2322   107  0.2925 0.3423        
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)     : 0.220            
REMARK   3   PHASE ERROR (DEGREES, MAXIMUM-LIKELIHOOD BASED) : 27.260           
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      :  0.007           3660                                  
REMARK   3   ANGLE     :  0.874           4945                                  
REMARK   3   CHIRALITY :  0.047            564                                  
REMARK   3   PLANARITY :  0.004            642                                  
REMARK   3   DIHEDRAL  : 15.997           2184                                  
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 5HRC COMPLIES WITH FORMAT V. 3.30, 13-JUL-11                         
REMARK 100                                                                      
REMARK 100 THIS ENTRY HAS BEEN PROCESSED BY PDBJ ON 27-JAN-16.                  
REMARK 100 THE DEPOSITION ID IS D_1000217432.                                   
REMARK 200                                                                      
REMARK 200 EXPERIMENTAL DETAILS                                                 
REMARK 200  EXPERIMENT TYPE                : X-RAY DIFFRACTION                  
REMARK 200  DATE OF DATA COLLECTION        : 12-OCT-15                          
REMARK 200  TEMPERATURE           (KELVIN) : 100                                
REMARK 200  PH                             : 9.5                                
REMARK 200  NUMBER OF CRYSTALS USED        : 1                                  
REMARK 200                                                                      
REMARK 200  SYNCHROTRON              (Y/N) : Y                                  
REMARK 200  RADIATION SOURCE               : SSRF                               
REMARK 200  BEAMLINE                       : BL17U                              
REMARK 200  X-RAY GENERATOR MODEL          : NULL                               
REMARK 200  MONOCHROMATIC OR LAUE    (M/L) : M                                  
REMARK 200  WAVELENGTH OR RANGE        (A) : 0.989                              
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 : HKL-2000                           
REMARK 200  DATA SCALING SOFTWARE          : HKL-2000                           
REMARK 200                                                                      
REMARK 200  NUMBER OF UNIQUE REFLECTIONS   : 48432                              
REMARK 200  RESOLUTION RANGE HIGH      (A) : 1.765                              
REMARK 200  RESOLUTION RANGE LOW       (A) : 32.730                             
REMARK 200  REJECTION CRITERIA  (SIGMA(I)) : NULL                               
REMARK 200                                                                      
REMARK 200 OVERALL.                                                             
REMARK 200  COMPLETENESS FOR RANGE     (%) : 91.0                               
REMARK 200  DATA REDUNDANCY                : 3.400                              
REMARK 200  R MERGE                    (I) : NULL                               
REMARK 200  R SYM                      (I) : NULL                               
REMARK 200  <I/SIGMA(I)> FOR THE DATA SET  : 20.0600                            
REMARK 200                                                                      
REMARK 200 IN THE HIGHEST RESOLUTION SHELL.                                     
REMARK 200  HIGHEST RESOLUTION SHELL, RANGE HIGH (A) : 1.77                     
REMARK 200  HIGHEST RESOLUTION SHELL, RANGE LOW  (A) : 1.83                     
REMARK 200  COMPLETENESS FOR SHELL     (%) : NULL                               
REMARK 200  DATA REDUNDANCY IN SHELL       : NULL                               
REMARK 200  R MERGE FOR SHELL          (I) : NULL                               
REMARK 200  R SYM FOR SHELL            (I) : NULL                               
REMARK 200  <I/SIGMA(I)> FOR SHELL         : NULL                               
REMARK 200                                                                      
REMARK 200 DIFFRACTION PROTOCOL: SINGLE WAVELENGTH                              
REMARK 200 METHOD USED TO DETERMINE THE STRUCTURE: MOLECULAR REPLACEMENT        
REMARK 200 SOFTWARE USED: PHASER                                                
REMARK 200 STARTING MODEL: 5HQT                                                 
REMARK 200                                                                      
REMARK 200 REMARK: NULL                                                         
REMARK 280                                                                      
REMARK 280 CRYSTAL                                                              
REMARK 280 SOLVENT CONTENT, VS   (%): 50.95                                     
REMARK 280 MATTHEWS COEFFICIENT, VM (ANGSTROMS**3/DA): 2.51                     
REMARK 280                                                                      
REMARK 280 CRYSTALLIZATION CONDITIONS: 1.0 M SODIUM CITRATE, 0.1 M CHES, 3.0%   
REMARK 280  D (+)-SUCROSE, PH 9.5, VAPOR DIFFUSION, TEMPERATURE 293K            
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       24.11700            
REMARK 290   SMTRY3   2  0.000000  0.000000 -1.000000        0.00000            
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: DIMERIC                           
REMARK 350 SOFTWARE DETERMINED QUATERNARY STRUCTURE: DIMERIC                    
REMARK 350 SOFTWARE USED: PISA                                                  
REMARK 350 TOTAL BURIED SURFACE AREA: 3420 ANGSTROM**2                          
REMARK 350 SURFACE AREA OF THE COMPLEX: 17030 ANGSTROM**2                       
REMARK 350 CHANGE IN SOLVENT FREE ENERGY: -8.0 KCAL/MOL                         
REMARK 350 APPLY THE FOLLOWING TO CHAINS: A, 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 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     HIS A   233                                                      
REMARK 465     HIS A   234                                                      
REMARK 465     HIS A   235                                                      
REMARK 465     GLU B   232                                                      
REMARK 465     HIS B   233                                                      
REMARK 465     HIS B   234                                                      
REMARK 465     HIS B   235                                                      
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 B   434     O    HOH B   555              1.86            
REMARK 500   OD1  ASN B    23     O    HOH B   401              1.86            
REMARK 500   OG   SER B    11     O    HOH B   402              1.90            
REMARK 500   NH1  ARG B   154     O    HOH B   403              1.93            
REMARK 500   O    HOH A   626     O    HOH A   628              1.97            
REMARK 500   O    HOH A   518     O    HOH A   622              1.97            
REMARK 500   O    HOH B   632     O    HOH B   642              1.97            
REMARK 500   O    HOH A   620     O    HOH A   629              1.99            
REMARK 500   O    HOH A   580     O    HOH A   653              2.01            
REMARK 500   O    HOH B   495     O    HOH B   504              2.02            
REMARK 500   OD1  ASP A    62     O    HOH A   401              2.03            
REMARK 500   OE1  GLU A   140     O    HOH A   402              2.04            
REMARK 500   O    HIS A   220     O    HOH A   403              2.05            
REMARK 500   O    THR B     3     O    HOH B   404              2.05            
REMARK 500   O    HOH B   629     O    HOH B   640              2.05            
REMARK 500   O    HOH B   547     O    HOH B   571              2.05            
REMARK 500   O    HOH B   402     O    HOH B   405              2.06            
REMARK 500   O    HOH A   583     O    HOH A   628              2.06            
REMARK 500   O    HOH B   607     O    HOH B   621              2.06            
REMARK 500   O    LEU B   165     O    HOH B   405              2.07            
REMARK 500   OE2  GLU B   140     O    HOH B   406              2.08            
REMARK 500   O    HOH A   500     O    HOH A   613              2.08            
REMARK 500   O    HOH A   649     O    HOH A   651              2.09            
REMARK 500   O    HOH A   601     O    HOH A   616              2.10            
REMARK 500   O    HOH B   522     O    HOH B   585              2.11            
REMARK 500   O    HOH B   613     O    HOH B   637              2.11            
REMARK 500   OE1  GLU B    13     O    HOH B   407              2.12            
REMARK 500   OE2  GLU B   153     O    HOH B   408              2.13            
REMARK 500   O    HOH B   564     O    HOH B   574              2.13            
REMARK 500   O    HOH A   576     O    HOH A   589              2.13            
REMARK 500   O    TYR A    19     O    HOH A   404              2.14            
REMARK 500   NE2  GLN A    37     O    HOH A   405              2.15            
REMARK 500   OH   TYR B   177     O    HOH B   409              2.15            
REMARK 500   O    VAL A    80     O    HOH A   406              2.17            
REMARK 500   O    HOH B   569     O    HOH B   579              2.17            
REMARK 500   O    HOH B   555     O    HOH B   559              2.18            
REMARK 500   O    HOH A   650     O    HOH A   657              2.18            
REMARK 500   O    HOH A   452     O    HOH A   458              2.18            
REMARK 500   OE1  GLN B   180     O    HOH B   410              2.19            
REMARK 500   O    HOH A   593     O    HOH A   617              2.19            
REMARK 500   N    SER A   143     O    HOH A   407              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   565     O    HOH A   600     2645     2.04            
REMARK 500   O    HOH A   649     O    HOH A   656     1455     2.05            
REMARK 500   O    HOH B   594     O    HOH B   616     2656     2.16            
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    THR A  83      130.67   -175.08                                   
REMARK 500    GLU A 164      -61.00   -129.69                                   
REMARK 500    GLU B 164      -59.91   -127.70                                   
REMARK 500                                                                      
REMARK 500 REMARK: NULL                                                         
REMARK 525                                                                      
REMARK 525 SOLVENT                                                              
REMARK 525                                                                      
REMARK 525 THE SOLVENT MOLECULES HAVE CHAIN IDENTIFIERS THAT                    
REMARK 525 INDICATE THE POLYMER CHAIN WITH WHICH THEY ARE MOST                  
REMARK 525 CLOSELY ASSOCIATED. THE REMARK LISTS ALL THE SOLVENT                 
REMARK 525 MOLECULES WHICH ARE MORE THAN 5A AWAY FROM THE                       
REMARK 525 NEAREST POLYMER CHAIN (M = MODEL NUMBER;                             
REMARK 525 RES=RESIDUE NAME; C=CHAIN IDENTIFIER; SSEQ=SEQUENCE                  
REMARK 525 NUMBER; I=INSERTION CODE):                                           
REMARK 525                                                                      
REMARK 525  M RES CSSEQI                                                        
REMARK 525    HOH A 661        DISTANCE =  6.08 ANGSTROMS                       
REMARK 525    HOH B 637        DISTANCE =  6.03 ANGSTROMS                       
REMARK 525    HOH B 638        DISTANCE =  6.07 ANGSTROMS                       
REMARK 525    HOH B 639        DISTANCE =  6.10 ANGSTROMS                       
REMARK 525    HOH B 640        DISTANCE =  6.41 ANGSTROMS                       
REMARK 525    HOH B 641        DISTANCE =  6.74 ANGSTROMS                       
REMARK 525    HOH B 642        DISTANCE =  6.95 ANGSTROMS                       
REMARK 525    HOH B 643        DISTANCE =  8.54 ANGSTROMS                       
REMARK 800                                                                      
REMARK 800 SITE                                                                 
REMARK 800 SITE_IDENTIFIER: AC1                                                 
REMARK 800 EVIDENCE_CODE: SOFTWARE                                              
REMARK 800 SITE_DESCRIPTION: binding site for residue ASP A 301                 
REMARK 800                                                                      
REMARK 800 SITE_IDENTIFIER: AC2                                                 
REMARK 800 EVIDENCE_CODE: SOFTWARE                                              
REMARK 800 SITE_DESCRIPTION: binding site for residue NHE A 302                 
REMARK 800                                                                      
REMARK 800 SITE_IDENTIFIER: AC3                                                 
REMARK 800 EVIDENCE_CODE: SOFTWARE                                              
REMARK 800 SITE_DESCRIPTION: binding site for residue ASP B 301                 
REMARK 900                                                                      
REMARK 900 RELATED ENTRIES                                                      
REMARK 900 RELATED ID: 5HQT   RELATED DB: PDB                                   
REMARK 900 RELATED ID: 5HRA   RELATED DB: PDB                                   
DBREF1 5HRC A    1   230  UNP                  A0A0F6FBL7_ECO57                 
DBREF2 5HRC A     A0A0F6FBL7                          1         230             
DBREF1 5HRC B    1   230  UNP                  A0A0F6FBL7_ECO57                 
DBREF2 5HRC B     A0A0F6FBL7                          1         230             
SEQADV 5HRC LEU A  231  UNP  A0A0F6FBL           EXPRESSION TAG                 
SEQADV 5HRC GLU A  232  UNP  A0A0F6FBL           EXPRESSION TAG                 
SEQADV 5HRC HIS A  233  UNP  A0A0F6FBL           EXPRESSION TAG                 
SEQADV 5HRC HIS A  234  UNP  A0A0F6FBL           EXPRESSION TAG                 
SEQADV 5HRC HIS A  235  UNP  A0A0F6FBL           EXPRESSION TAG                 
SEQADV 5HRC LEU B  231  UNP  A0A0F6FBL           EXPRESSION TAG                 
SEQADV 5HRC GLU B  232  UNP  A0A0F6FBL           EXPRESSION TAG                 
SEQADV 5HRC HIS B  233  UNP  A0A0F6FBL           EXPRESSION TAG                 
SEQADV 5HRC HIS B  234  UNP  A0A0F6FBL           EXPRESSION TAG                 
SEQADV 5HRC HIS B  235  UNP  A0A0F6FBL           EXPRESSION TAG                 
SEQRES   1 A  235  MET LYS THR ILE GLY LEU LEU GLY GLY MET SER TRP GLU          
SEQRES   2 A  235  SER THR ILE PRO TYR TYR ARG LEU ILE ASN GLU GLY ILE          
SEQRES   3 A  235  LYS GLN ARG LEU GLY GLY LEU HIS SER ALA GLN VAL LEU          
SEQRES   4 A  235  LEU HIS SER VAL ASP PHE HIS GLU ILE GLU GLU CYS GLN          
SEQRES   5 A  235  ARG ARG GLY GLU TRP ASP LYS THR GLY ASP ILE LEU ALA          
SEQRES   6 A  235  GLU ALA ALA LEU GLY LEU GLN ARG ALA GLY ALA GLU GLY          
SEQRES   7 A  235  ILE VAL LEU CYS THR ASN THR MET HIS LYS VAL ALA ASP          
SEQRES   8 A  235  ALA ILE GLU SER ARG CYS THR LEU PRO PHE LEU HIS ILE          
SEQRES   9 A  235  ALA ASP ALA THR GLY ARG ALA ILE THR GLY ALA GLY MET          
SEQRES  10 A  235  THR ARG VAL ALA LEU LEU GLY THR ARG TYR THR MET GLU          
SEQRES  11 A  235  GLN ASP PHE TYR ARG GLY ARG LEU THR GLU GLN PHE SER          
SEQRES  12 A  235  ILE ASN CYS LEU ILE PRO GLU ALA ASP GLU ARG ALA LYS          
SEQRES  13 A  235  ILE ASN GLN ILE ILE PHE GLU GLU LEU CYS LEU GLY GLN          
SEQRES  14 A  235  PHE THR GLU ALA SER ARG ALA TYR TYR ALA GLN VAL ILE          
SEQRES  15 A  235  ALA ARG LEU ALA GLU GLN GLY ALA GLN GLY VAL ILE PHE          
SEQRES  16 A  235  GLY CYS THR GLU ILE GLY LEU LEU VAL PRO GLU GLU ARG          
SEQRES  17 A  235  SER VAL LEU PRO VAL PHE ASP THR ALA ALA ILE HIS ALA          
SEQRES  18 A  235  GLU ASP ALA VAL ALA PHE MET LEU SER LEU GLU HIS HIS          
SEQRES  19 A  235  HIS                                                          
SEQRES   1 B  235  MET LYS THR ILE GLY LEU LEU GLY GLY MET SER TRP GLU          
SEQRES   2 B  235  SER THR ILE PRO TYR TYR ARG LEU ILE ASN GLU GLY ILE          
SEQRES   3 B  235  LYS GLN ARG LEU GLY GLY LEU HIS SER ALA GLN VAL LEU          
SEQRES   4 B  235  LEU HIS SER VAL ASP PHE HIS GLU ILE GLU GLU CYS GLN          
SEQRES   5 B  235  ARG ARG GLY GLU TRP ASP LYS THR GLY ASP ILE LEU ALA          
SEQRES   6 B  235  GLU ALA ALA LEU GLY LEU GLN ARG ALA GLY ALA GLU GLY          
SEQRES   7 B  235  ILE VAL LEU CYS THR ASN THR MET HIS LYS VAL ALA ASP          
SEQRES   8 B  235  ALA ILE GLU SER ARG CYS THR LEU PRO PHE LEU HIS ILE          
SEQRES   9 B  235  ALA ASP ALA THR GLY ARG ALA ILE THR GLY ALA GLY MET          
SEQRES  10 B  235  THR ARG VAL ALA LEU LEU GLY THR ARG TYR THR MET GLU          
SEQRES  11 B  235  GLN ASP PHE TYR ARG GLY ARG LEU THR GLU GLN PHE SER          
SEQRES  12 B  235  ILE ASN CYS LEU ILE PRO GLU ALA ASP GLU ARG ALA LYS          
SEQRES  13 B  235  ILE ASN GLN ILE ILE PHE GLU GLU LEU CYS LEU GLY GLN          
SEQRES  14 B  235  PHE THR GLU ALA SER ARG ALA TYR TYR ALA GLN VAL ILE          
SEQRES  15 B  235  ALA ARG LEU ALA GLU GLN GLY ALA GLN GLY VAL ILE PHE          
SEQRES  16 B  235  GLY CYS THR GLU ILE GLY LEU LEU VAL PRO GLU GLU ARG          
SEQRES  17 B  235  SER VAL LEU PRO VAL PHE ASP THR ALA ALA ILE HIS ALA          
SEQRES  18 B  235  GLU ASP ALA VAL ALA PHE MET LEU SER LEU GLU HIS HIS          
SEQRES  19 B  235  HIS                                                          
HET    ASP  A 301       9                                                       
HET    NHE  A 302      13                                                       
HET    ASP  B 301       9                                                       
HETNAM     ASP ASPARTIC ACID                                                    
HETNAM     NHE 2-[N-CYCLOHEXYLAMINO]ETHANE SULFONIC ACID                        
HETSYN     NHE N-CYCLOHEXYLTAURINE; CHES                                        
FORMUL   3  ASP    2(C4 H7 N O4)                                                
FORMUL   4  NHE    C8 H17 N O3 S                                                
FORMUL   6  HOH   *504(H2 O)                                                    
HELIX    1 AA1 SER A   11  GLY A   31  1                                  21    
HELIX    2 AA2 ASP A   44  GLY A   55  1                                  12    
HELIX    3 AA3 GLU A   56  GLY A   75  1                                  20    
HELIX    4 AA4 ASN A   84  LYS A   88  5                                   5    
HELIX    5 AA5 VAL A   89  CYS A   97  1                                   9    
HELIX    6 AA6 HIS A  103  ALA A  115  1                                  13    
HELIX    7 AA7 THR A  125  GLN A  131  1                                   7    
HELIX    8 AA8 TYR A  134  SER A  143  1                                  10    
HELIX    9 AA9 GLU A  150  GLU A  164  1                                  15    
HELIX   10 AB1 LEU A  165  GLY A  168  5                                   4    
HELIX   11 AB2 THR A  171  GLU A  187  1                                  17    
HELIX   12 AB3 GLU A  199  VAL A  204  1                                   6    
HELIX   13 AB4 PRO A  205  SER A  209  5                                   5    
HELIX   14 AB5 THR A  216  LEU A  229  1                                  14    
HELIX   15 AB6 SER B   11  GLY B   31  1                                  21    
HELIX   16 AB7 ASP B   44  GLY B   55  1                                  12    
HELIX   17 AB8 GLU B   56  GLY B   75  1                                  20    
HELIX   18 AB9 ASN B   84  LYS B   88  5                                   5    
HELIX   19 AC1 VAL B   89  CYS B   97  1                                   9    
HELIX   20 AC2 HIS B  103  ALA B  115  1                                  13    
HELIX   21 AC3 THR B  125  GLN B  131  1                                   7    
HELIX   22 AC4 TYR B  134  SER B  143  1                                  10    
HELIX   23 AC5 GLU B  150  GLU B  164  1                                  15    
HELIX   24 AC6 LEU B  165  GLY B  168  5                                   4    
HELIX   25 AC7 THR B  171  GLN B  188  1                                  18    
HELIX   26 AC8 GLU B  199  VAL B  204  1                                   6    
HELIX   27 AC9 PRO B  205  SER B  209  5                                   5    
HELIX   28 AD1 THR B  216  LEU B  229  1                                  14    
SHEET    1 AA1 6 GLY A  78  LEU A  81  0                                        
SHEET    2 AA1 6 ILE A   4  GLY A   8  1  N  LEU A   7   O  VAL A  80           
SHEET    3 AA1 6 VAL A  38  SER A  42  1  O  LEU A  39   N  LEU A   6           
SHEET    4 AA1 6 VAL B  38  SER B  42 -1  O  VAL B  38   N  SER A  42           
SHEET    5 AA1 6 ILE B   4  GLY B   8  1  N  LEU B   6   O  HIS B  41           
SHEET    6 AA1 6 ILE B  79  LEU B  81  1  O  VAL B  80   N  LEU B   7           
SHEET    1 AA2 4 ASN A 145  LEU A 147  0                                        
SHEET    2 AA2 4 ARG A 119  LEU A 123  1  N  VAL A 120   O  LEU A 147           
SHEET    3 AA2 4 VAL A 193  PHE A 195  1  O  ILE A 194   N  ALA A 121           
SHEET    4 AA2 4 VAL A 213  ASP A 215  1  O  PHE A 214   N  PHE A 195           
SHEET    1 AA3 4 ASN B 145  LEU B 147  0                                        
SHEET    2 AA3 4 ARG B 119  LEU B 123  1  N  VAL B 120   O  LEU B 147           
SHEET    3 AA3 4 VAL B 193  PHE B 195  1  O  ILE B 194   N  ALA B 121           
SHEET    4 AA3 4 VAL B 213  ASP B 215  1  O  PHE B 214   N  VAL B 193           
CISPEP   1 MET A   10    SER A   11          0        -5.16                     
CISPEP   2 MET B   10    SER B   11          0         0.00                     
SITE     1 AC1 10 MET A  10  GLN A  52  THR A  83  ASN A  84                    
SITE     2 AC1 10 THR A  85  THR A 125  PHE A 162  CYS A 197                    
SITE     3 AC1 10 THR A 198  GLU A 199                                          
SITE     1 AC2 13 HIS A  41  GLU A  66  ALA A  67  GLY A  70                    
SITE     2 AC2 13 ARG A  73  GLU A 172  HOH A 454  HOH A 525                    
SITE     3 AC2 13 HOH A 553  HOH A 556  HOH A 562  ALA B  74                    
SITE     4 AC2 13 HOH B 489                                                     
SITE     1 AC3  9 MET B  10  GLN B  52  THR B  83  ASN B  84                    
SITE     2 AC3  9 THR B  85  CYS B 197  THR B 198  GLU B 199                    
SITE     3 AC3  9 HOH B 436                                                     
CRYST1   46.779   48.234  114.784  90.00  95.12  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      0.021377  0.000000  0.001914        0.00000                         
SCALE2      0.000000  0.020732  0.000000        0.00000                         
SCALE3      0.000000  0.000000  0.008747        0.00000