HEADER    ISOMERASE                               22-JAN-16   5HQT              
TITLE     CRYSTAL STRUCTURE OF AN ASPARTATE/GLUTAMATE RACEMASE FROM ESCHERICHIA 
TITLE    2 COLI O157                                                            
COMPND    MOL_ID: 1;                                                            
COMPND   2 MOLECULE: ASPARTATE/GLUTAMATE RACEMASE;                              
COMPND   3 CHAIN: A;                                                            
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 5HQT    1       JRNL   REMARK                            
REVDAT   2   18-MAY-16 5HQT    1       JRNL                                     
REVDAT   1   20-APR-16 5HQT    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.    1.60 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 : NULL                                          
REMARK   3                                                                      
REMARK   3  DATA USED IN REFINEMENT.                                            
REMARK   3   RESOLUTION RANGE HIGH (ANGSTROMS) : 1.60                           
REMARK   3   RESOLUTION RANGE LOW  (ANGSTROMS) : 19.99                          
REMARK   3   MIN(FOBS/SIGMA_FOBS)              : 0.030                          
REMARK   3   COMPLETENESS FOR RANGE        (%) : 93.4                           
REMARK   3   NUMBER OF REFLECTIONS             : 33261                          
REMARK   3                                                                      
REMARK   3  FIT TO DATA USED IN REFINEMENT.                                     
REMARK   3   R VALUE     (WORKING + TEST SET) : 0.185                           
REMARK   3   R VALUE            (WORKING SET) : 0.183                           
REMARK   3   FREE R VALUE                     : 0.221                           
REMARK   3   FREE R VALUE TEST SET SIZE   (%) : 5.800                           
REMARK   3   FREE R VALUE TEST SET COUNT      : 1928                            
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 19.9923 -  3.8433    0.92     2376   149  0.1778 0.2216        
REMARK   3     2  3.8433 -  3.0541    0.90     2216   133  0.1644 0.1885        
REMARK   3     3  3.0541 -  2.6690    0.93     2246   139  0.1798 0.2033        
REMARK   3     4  2.6690 -  2.4255    0.93     2255   138  0.1830 0.2003        
REMARK   3     5  2.4255 -  2.2519    0.94     2280   133  0.1728 0.2083        
REMARK   3     6  2.2519 -  2.1193    0.96     2278   143  0.1695 0.2256        
REMARK   3     7  2.1193 -  2.0132    0.96     2281   135  0.1791 0.2442        
REMARK   3     8  2.0132 -  1.9257    0.96     2277   142  0.1745 0.2246        
REMARK   3     9  1.9257 -  1.8516    0.96     2259   140  0.1898 0.2366        
REMARK   3    10  1.8516 -  1.7877    0.95     2259   138  0.2073 0.2478        
REMARK   3    11  1.7877 -  1.7319    0.94     2207   141  0.2159 0.2666        
REMARK   3    12  1.7319 -  1.6824    0.93     2221   129  0.2371 0.2839        
REMARK   3    13  1.6824 -  1.6381    0.92     2132   142  0.2336 0.2692        
REMARK   3    14  1.6381 -  1.5982    0.87     2046   126  0.2501 0.2823        
REMARK   3                                                                      
REMARK   3  BULK SOLVENT MODELLING.                                             
REMARK   3   METHOD USED        : NULL                                          
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)     : 0.180            
REMARK   3   PHASE ERROR (DEGREES, MAXIMUM-LIKELIHOOD BASED) : 22.650           
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      :  0.012           1878                                  
REMARK   3   ANGLE     :  1.160           2539                                  
REMARK   3   CHIRALITY :  0.074            286                                  
REMARK   3   PLANARITY :  0.007            329                                  
REMARK   3   DIHEDRAL  : 17.326           1117                                  
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 5HQT 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_1000217431.                                   
REMARK 200                                                                      
REMARK 200 EXPERIMENTAL DETAILS                                                 
REMARK 200  EXPERIMENT TYPE                : X-RAY DIFFRACTION                  
REMARK 200  DATE OF DATA COLLECTION        : 08-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) : 0.979                              
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 : NULL                               
REMARK 200  DATA SCALING SOFTWARE          : HKL-2000                           
REMARK 200                                                                      
REMARK 200  NUMBER OF UNIQUE REFLECTIONS   : 34485                              
REMARK 200  RESOLUTION RANGE HIGH      (A) : 1.598                              
REMARK 200  RESOLUTION RANGE LOW       (A) : 50.000                             
REMARK 200  REJECTION CRITERIA  (SIGMA(I)) : NULL                               
REMARK 200                                                                      
REMARK 200 OVERALL.                                                             
REMARK 200  COMPLETENESS FOR RANGE     (%) : 93.0                               
REMARK 200  DATA REDUNDANCY                : 6.200                              
REMARK 200  R MERGE                    (I) : NULL                               
REMARK 200  R SYM                      (I) : NULL                               
REMARK 200  <I/SIGMA(I)> FOR THE DATA SET  : 22.3600                            
REMARK 200                                                                      
REMARK 200 IN THE HIGHEST RESOLUTION SHELL.                                     
REMARK 200  HIGHEST RESOLUTION SHELL, RANGE HIGH (A) : 1.60                     
REMARK 200  HIGHEST RESOLUTION SHELL, RANGE LOW  (A) : 1.66                     
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: 3OJC                                                 
REMARK 200                                                                      
REMARK 200 REMARK: NULL                                                         
REMARK 280                                                                      
REMARK 280 CRYSTAL                                                              
REMARK 280 SOLVENT CONTENT, VS   (%): 51.23                                     
REMARK 280 MATTHEWS COEFFICIENT, VM (ANGSTROMS**3/DA): 2.52                     
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 21 2 21                        
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,-Z+1/2                                         
REMARK 290       4555   -X+1/2,-Y,Z+1/2                                         
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       23.99250            
REMARK 290   SMTRY2   3  0.000000 -1.000000  0.000000        0.00000            
REMARK 290   SMTRY3   3  0.000000  0.000000 -1.000000       58.76650            
REMARK 290   SMTRY1   4 -1.000000  0.000000  0.000000       23.99250            
REMARK 290   SMTRY2   4  0.000000 -1.000000  0.000000        0.00000            
REMARK 290   SMTRY3   4  0.000000  0.000000  1.000000       58.76650            
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: 3590 ANGSTROM**2                          
REMARK 350 SURFACE AREA OF THE COMPLEX: 18020 ANGSTROM**2                       
REMARK 350 CHANGE IN SOLVENT FREE ENERGY: -8.0 KCAL/MOL                         
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   BIOMT1   2 -1.000000  0.000000  0.000000       95.97000            
REMARK 350   BIOMT2   2  0.000000  1.000000  0.000000        0.00000            
REMARK 350   BIOMT3   2  0.000000  0.000000 -1.000000      117.53300            
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   442     O    HOH A   565              1.83            
REMARK 500   O    HOH A   464     O    HOH A   565              1.84            
REMARK 500   O    HOH A   502     O    HOH A   581              2.05            
REMARK 500   O    HOH A   442     O    HOH A   464              2.06            
REMARK 500   O    HOH A   459     O    HOH A   543              2.08            
REMARK 500   O    HOH A   519     O    HOH A   554              2.11            
REMARK 500   O    HOH A   477     O    HOH A   590              2.14            
REMARK 500   O    HOH A   415     O    HOH A   472              2.14            
REMARK 500   O    GLU A    94     O    HOH A   401              2.16            
REMARK 500   OE2  GLU A    66     O    HOH A   402              2.16            
REMARK 500   O    HOH A   478     O    HOH A   562              2.17            
REMARK 500   O    HOH A   534     O    HOH A   560              2.18            
REMARK 500   O    HOH A   552     O    HOH A   564              2.19            
REMARK 500   O    HOH A   574     O    HOH A   582              2.19            
REMARK 500   O    HOH A   401     O    HOH A   517              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    THR A  83      129.08   -177.86                                   
REMARK 500    GLU A 164      -61.19   -120.04                                   
REMARK 500    GLU A 232     -126.99     52.66                                   
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 599        DISTANCE =  5.87 ANGSTROMS                       
REMARK 800                                                                      
REMARK 800 SITE                                                                 
REMARK 800 SITE_IDENTIFIER: AC1                                                 
REMARK 800 EVIDENCE_CODE: SOFTWARE                                              
REMARK 800 SITE_DESCRIPTION: binding site for residue NHE A 301                 
REMARK 900                                                                      
REMARK 900 RELATED ENTRIES                                                      
REMARK 900 RELATED ID: 5HRA   RELATED DB: PDB                                   
REMARK 900 RELATED ID: 5HRC   RELATED DB: PDB                                   
DBREF1 5HQT A    1   230  UNP                  A0A0F6FBL7_ECO57                 
DBREF2 5HQT A     A0A0F6FBL7                          1         230             
SEQADV 5HQT LEU A  231  UNP  A0A0F6FBL           EXPRESSION TAG                 
SEQADV 5HQT GLU A  232  UNP  A0A0F6FBL           EXPRESSION TAG                 
SEQADV 5HQT HIS A  233  UNP  A0A0F6FBL           EXPRESSION TAG                 
SEQADV 5HQT HIS A  234  UNP  A0A0F6FBL           EXPRESSION TAG                 
SEQADV 5HQT HIS A  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                                                          
HET    NHE  A 301      13                                                       
HETNAM     NHE 2-[N-CYCLOHEXYLAMINO]ETHANE SULFONIC ACID                        
HETSYN     NHE N-CYCLOHEXYLTAURINE; CHES                                        
FORMUL   2  NHE    C8 H17 N O3 S                                                
FORMUL   3  HOH   *199(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 ASP A  132  SER A  143  1                                  12    
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  GLN A  188  1                                  18    
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 LEU A  231  HIS A  235  5                                   5    
SHEET    1 AA1 3 VAL A  38  SER A  42  0                                        
SHEET    2 AA1 3 ILE A   4  GLY A   8  1  N  LEU A   6   O  LEU A  39           
SHEET    3 AA1 3 GLY A  78  LEU A  81  1  O  VAL A  80   N  LEU A   7           
SHEET    1 AA2 4 ASN A 145  LEU A 147  0                                        
SHEET    2 AA2 4 ARG A 119  LEU A 123  1  N  LEU A 122   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           
CISPEP   1 MET A   10    SER A   11          0         0.52                     
SITE     1 AC1  7 ARG A  29  GLN A  52  ARG A  53  GLY A  55                    
SITE     2 AC1  7 TRP A  57  GLN A 131  HOH A 512                               
CRYST1   47.985   46.489  117.533  90.00  90.00  90.00 P 21 2 21     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      0.020840  0.000000  0.000000        0.00000                         
SCALE2      0.000000  0.021510  0.000000        0.00000                         
SCALE3      0.000000  0.000000  0.008508        0.00000