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Database: PDB
Entry: 1NXE
LinkDB: 1NXE
Original site: 1NXE 
HEADER    TRANSFERASE                             10-FEB-03   1NXE              
TITLE     A NOVEL NADH ALLOSTERIC REGULATOR SITE IS FOUND ON THE SURFACE OF THE 
TITLE    2 HEXAMERIC TYPE II PHE383ALA VARIANT OF CITRATE SYNTHASE              
COMPND    MOL_ID: 1;                                                            
COMPND   2 MOLECULE: CITRATE SYNTHASE;                                          
COMPND   3 CHAIN: A, B;                                                         
COMPND   4 EC: 2.3.3.1;                                                         
COMPND   5 ENGINEERED: YES;                                                     
COMPND   6 MUTATION: YES                                                        
SOURCE    MOL_ID: 1;                                                            
SOURCE   2 ORGANISM_SCIENTIFIC: ESCHERICHIA COLI;                               
SOURCE   3 ORGANISM_TAXID: 562;                                                 
SOURCE   4 GENE: GLTA OR GLUT OR ICDB OR B0720;                                 
SOURCE   5 EXPRESSION_SYSTEM: ESCHERICHIA COLI;                                 
SOURCE   6 EXPRESSION_SYSTEM_TAXID: 562                                         
KEYWDS    CITRATE SYNTHASE, NADH, ALLOSTERIC, TRANSFERASE                       
EXPDTA    X-RAY DIFFRACTION                                                     
AUTHOR    R.MAURUS,N.T.NGUYEN,D.J.STOKELL,A.AYED,P.G.HULTIN,H.W.DUCKWORTH,      
AUTHOR   2 G.D.BRAYER                                                           
REVDAT   6   16-AUG-23 1NXE    1       REMARK                                   
REVDAT   5   27-OCT-21 1NXE    1       REMARK SEQADV                            
REVDAT   4   26-MAY-10 1NXE    1       COMPND HEADER KEYWDS                     
REVDAT   3   24-FEB-09 1NXE    1       VERSN                                    
REVDAT   2   04-NOV-03 1NXE    1       JRNL                                     
REVDAT   1   08-APR-03 1NXE    0                                                
JRNL        AUTH   R.MAURUS,N.T.NGUYEN,D.J.STOKELL,A.AYED,P.G.HULTIN,           
JRNL        AUTH 2 H.W.DUCKWORTH,G.D.BRAYER                                     
JRNL        TITL   INSIGHTS INTO THE EVOLUTION OF ALLOSTERIC PROPERTIES. THE    
JRNL        TITL 2 NADH BINDING SITE OF HEXAMERIC TYPE II CITRATE SYNTHASES.    
JRNL        REF    BIOCHEMISTRY                  V.  42  5555 2003              
JRNL        REFN                   ISSN 0006-2960                               
JRNL        PMID   12741811                                                     
JRNL        DOI    10.1021/BI020622S                                            
REMARK   2                                                                      
REMARK   2 RESOLUTION.    2.30 ANGSTROMS.                                       
REMARK   3                                                                      
REMARK   3 REFINEMENT.                                                          
REMARK   3   PROGRAM     : CNS                                                  
REMARK   3   AUTHORS     : BRUNGER,ADAMS,CLORE,DELANO,GROS,GROSSE-              
REMARK   3               : KUNSTLEVE,JIANG,KUSZEWSKI,NILGES,PANNU,              
REMARK   3               : READ,RICE,SIMONSON,WARREN                            
REMARK   3                                                                      
REMARK   3  REFINEMENT TARGET : ENGH & HUBER                                    
REMARK   3                                                                      
REMARK   3  DATA USED IN REFINEMENT.                                            
REMARK   3   RESOLUTION RANGE HIGH (ANGSTROMS) : 2.30                           
REMARK   3   RESOLUTION RANGE LOW  (ANGSTROMS) : 10.00                          
REMARK   3   DATA CUTOFF            (SIGMA(F)) : 0.000                          
REMARK   3   DATA CUTOFF HIGH         (ABS(F)) : NULL                           
REMARK   3   DATA CUTOFF LOW          (ABS(F)) : NULL                           
REMARK   3   COMPLETENESS (WORKING+TEST)   (%) : 77.0                           
REMARK   3   NUMBER OF REFLECTIONS             : 53934                          
REMARK   3                                                                      
REMARK   3  FIT TO DATA USED IN REFINEMENT.                                     
REMARK   3   CROSS-VALIDATION METHOD          : NULL                            
REMARK   3   FREE R VALUE TEST SET SELECTION  : NULL                            
REMARK   3   R VALUE            (WORKING SET) : 0.170                           
REMARK   3   FREE R VALUE                     : NULL                            
REMARK   3   FREE R VALUE TEST SET SIZE   (%) : NULL                            
REMARK   3   FREE R VALUE TEST SET COUNT      : NULL                            
REMARK   3   ESTIMATED ERROR OF FREE R VALUE  : NULL                            
REMARK   3                                                                      
REMARK   3  FIT IN THE HIGHEST RESOLUTION BIN.                                  
REMARK   3   TOTAL NUMBER OF BINS USED           : NULL                         
REMARK   3   BIN RESOLUTION RANGE HIGH       (A) : NULL                         
REMARK   3   BIN RESOLUTION RANGE LOW        (A) : NULL                         
REMARK   3   BIN COMPLETENESS (WORKING+TEST) (%) : NULL                         
REMARK   3   REFLECTIONS IN BIN    (WORKING SET) : NULL                         
REMARK   3   BIN R VALUE           (WORKING SET) : NULL                         
REMARK   3   BIN FREE R VALUE                    : NULL                         
REMARK   3   BIN FREE R VALUE TEST SET SIZE  (%) : NULL                         
REMARK   3   BIN FREE R VALUE TEST SET COUNT     : NULL                         
REMARK   3   ESTIMATED ERROR OF BIN FREE R VALUE : NULL                         
REMARK   3                                                                      
REMARK   3  NUMBER OF NON-HYDROGEN ATOMS USED IN REFINEMENT.                    
REMARK   3   PROTEIN ATOMS            : 6719                                    
REMARK   3   NUCLEIC ACID ATOMS       : 0                                       
REMARK   3   HETEROGEN ATOMS          : 30                                      
REMARK   3   SOLVENT ATOMS            : 726                                     
REMARK   3                                                                      
REMARK   3  B VALUES.                                                           
REMARK   3   FROM WILSON PLOT           (A**2) : NULL                           
REMARK   3   MEAN B VALUE      (OVERALL, A**2) : NULL                           
REMARK   3   OVERALL ANISOTROPIC B VALUE.                                       
REMARK   3    B11 (A**2) : NULL                                                 
REMARK   3    B22 (A**2) : NULL                                                 
REMARK   3    B33 (A**2) : NULL                                                 
REMARK   3    B12 (A**2) : NULL                                                 
REMARK   3    B13 (A**2) : NULL                                                 
REMARK   3    B23 (A**2) : NULL                                                 
REMARK   3                                                                      
REMARK   3  ESTIMATED COORDINATE ERROR.                                         
REMARK   3   ESD FROM LUZZATI PLOT        (A) : NULL                            
REMARK   3   ESD FROM SIGMAA              (A) : NULL                            
REMARK   3   LOW RESOLUTION CUTOFF        (A) : NULL                            
REMARK   3                                                                      
REMARK   3  CROSS-VALIDATED ESTIMATED COORDINATE ERROR.                         
REMARK   3   ESD FROM C-V LUZZATI PLOT    (A) : NULL                            
REMARK   3   ESD FROM C-V SIGMAA          (A) : NULL                            
REMARK   3                                                                      
REMARK   3  RMS DEVIATIONS FROM IDEAL VALUES.                                   
REMARK   3   BOND LENGTHS                 (A) : NULL                            
REMARK   3   BOND ANGLES            (DEGREES) : NULL                            
REMARK   3   DIHEDRAL ANGLES        (DEGREES) : NULL                            
REMARK   3   IMPROPER ANGLES        (DEGREES) : NULL                            
REMARK   3                                                                      
REMARK   3  ISOTROPIC THERMAL MODEL : NULL                                      
REMARK   3                                                                      
REMARK   3  ISOTROPIC THERMAL FACTOR RESTRAINTS.    RMS    SIGMA                
REMARK   3   MAIN-CHAIN BOND              (A**2) : NULL  ; NULL                 
REMARK   3   MAIN-CHAIN ANGLE             (A**2) : NULL  ; NULL                 
REMARK   3   SIDE-CHAIN BOND              (A**2) : NULL  ; NULL                 
REMARK   3   SIDE-CHAIN ANGLE             (A**2) : NULL  ; NULL                 
REMARK   3                                                                      
REMARK   3  BULK SOLVENT MODELING.                                              
REMARK   3   METHOD USED : NULL                                                 
REMARK   3   KSOL        : NULL                                                 
REMARK   3   BSOL        : NULL                                                 
REMARK   3                                                                      
REMARK   3  NCS MODEL : NULL                                                    
REMARK   3                                                                      
REMARK   3  NCS RESTRAINTS.                         RMS   SIGMA/WEIGHT          
REMARK   3   GROUP  1  POSITIONAL            (A) : NULL  ; NULL                 
REMARK   3   GROUP  1  B-FACTOR           (A**2) : NULL  ; NULL                 
REMARK   3                                                                      
REMARK   3  PARAMETER FILE  1  : NULL                                           
REMARK   3  TOPOLOGY FILE  1   : NULL                                           
REMARK   3                                                                      
REMARK   3  OTHER REFINEMENT REMARKS: NULL                                      
REMARK   4                                                                      
REMARK   4 1NXE COMPLIES WITH FORMAT V. 3.30, 13-JUL-11                         
REMARK 100                                                                      
REMARK 100 THIS ENTRY HAS BEEN PROCESSED BY RCSB ON 25-FEB-03.                  
REMARK 100 THE DEPOSITION ID IS D_1000018314.                                   
REMARK 200                                                                      
REMARK 200 EXPERIMENTAL DETAILS                                                 
REMARK 200  EXPERIMENT TYPE                : X-RAY DIFFRACTION                  
REMARK 200  DATE OF DATA COLLECTION        : 07-FEB-02                          
REMARK 200  TEMPERATURE           (KELVIN) : 100                                
REMARK 200  PH                             : 6.0                                
REMARK 200  NUMBER OF CRYSTALS USED        : 1                                  
REMARK 200                                                                      
REMARK 200  SYNCHROTRON              (Y/N) : N                                  
REMARK 200  RADIATION SOURCE               : ROTATING ANODE                     
REMARK 200  BEAMLINE                       : NULL                               
REMARK 200  X-RAY GENERATOR MODEL          : RIGAKU RU300                       
REMARK 200  MONOCHROMATIC OR LAUE    (M/L) : M                                  
REMARK 200  WAVELENGTH OR RANGE        (A) : 1.5418                             
REMARK 200  MONOCHROMATOR                  : MIRRORS                            
REMARK 200  OPTICS                         : NULL                               
REMARK 200                                                                      
REMARK 200  DETECTOR TYPE                  : NULL                               
REMARK 200  DETECTOR MANUFACTURER          : NULL                               
REMARK 200  INTENSITY-INTEGRATION SOFTWARE : DENZO                              
REMARK 200  DATA SCALING SOFTWARE          : SCALEPACK                          
REMARK 200                                                                      
REMARK 200  NUMBER OF UNIQUE REFLECTIONS   : 54292                              
REMARK 200  RESOLUTION RANGE HIGH      (A) : 2.300                              
REMARK 200  RESOLUTION RANGE LOW       (A) : 50.000                             
REMARK 200  REJECTION CRITERIA  (SIGMA(I)) : 0.000                              
REMARK 200                                                                      
REMARK 200 OVERALL.                                                             
REMARK 200  COMPLETENESS FOR RANGE     (%) : NULL                               
REMARK 200  DATA REDUNDANCY                : NULL                               
REMARK 200  R MERGE                    (I) : NULL                               
REMARK 200  R SYM                      (I) : NULL                               
REMARK 200  <I/SIGMA(I)> FOR THE DATA SET  : NULL                               
REMARK 200                                                                      
REMARK 200 IN THE HIGHEST RESOLUTION SHELL.                                     
REMARK 200  HIGHEST RESOLUTION SHELL, RANGE HIGH (A) : NULL                     
REMARK 200  HIGHEST RESOLUTION SHELL, RANGE LOW  (A) : NULL                     
REMARK 200  COMPLETENESS FOR SHELL     (%) : NULL                               
REMARK 200  DATA REDUNDANCY IN SHELL       : NULL                               
REMARK 200  R MERGE FOR SHELL          (I) : NULL                               
REMARK 200  R SYM FOR SHELL            (I) : NULL                               
REMARK 200  <I/SIGMA(I)> FOR SHELL         : NULL                               
REMARK 200                                                                      
REMARK 200 DIFFRACTION PROTOCOL: SINGLE WAVELENGTH                              
REMARK 200 METHOD USED TO DETERMINE THE STRUCTURE: MOLECULAR REPLACEMENT        
REMARK 200 SOFTWARE USED: CNS                                                   
REMARK 200 STARTING MODEL: 1K3P                                                 
REMARK 200                                                                      
REMARK 200 REMARK: NULL                                                         
REMARK 280                                                                      
REMARK 280 CRYSTAL                                                              
REMARK 280 SOLVENT CONTENT, VS   (%): 71.44                                     
REMARK 280 MATTHEWS COEFFICIENT, VM (ANGSTROMS**3/DA): 4.31                     
REMARK 280                                                                      
REMARK 280 CRYSTALLIZATION CONDITIONS: PH 6.0                                   
REMARK 290                                                                      
REMARK 290 CRYSTALLOGRAPHIC SYMMETRY                                            
REMARK 290 SYMMETRY OPERATORS FOR SPACE GROUP: H 3                              
REMARK 290                                                                      
REMARK 290      SYMOP   SYMMETRY                                                
REMARK 290     NNNMMM   OPERATOR                                                
REMARK 290       1555   X,Y,Z                                                   
REMARK 290       2555   -Y,X-Y,Z                                                
REMARK 290       3555   -X+Y,-X,Z                                               
REMARK 290       4555   X+2/3,Y+1/3,Z+1/3                                       
REMARK 290       5555   -Y+2/3,X-Y+1/3,Z+1/3                                    
REMARK 290       6555   -X+Y+2/3,-X+1/3,Z+1/3                                   
REMARK 290       7555   X+1/3,Y+2/3,Z+2/3                                       
REMARK 290       8555   -Y+1/3,X-Y+2/3,Z+2/3                                    
REMARK 290       9555   -X+Y+1/3,-X+2/3,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        0.00000            
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        0.00000            
REMARK 290   SMTRY1   4  1.000000  0.000000  0.000000       82.62150            
REMARK 290   SMTRY2   4  0.000000  1.000000  0.000000       47.70155            
REMARK 290   SMTRY3   4  0.000000  0.000000  1.000000       52.51900            
REMARK 290   SMTRY1   5 -0.500000 -0.866025  0.000000       82.62150            
REMARK 290   SMTRY2   5  0.866025 -0.500000  0.000000       47.70155            
REMARK 290   SMTRY3   5  0.000000  0.000000  1.000000       52.51900            
REMARK 290   SMTRY1   6 -0.500000  0.866025  0.000000       82.62150            
REMARK 290   SMTRY2   6 -0.866025 -0.500000  0.000000       47.70155            
REMARK 290   SMTRY3   6  0.000000  0.000000  1.000000       52.51900            
REMARK 290   SMTRY1   7  1.000000  0.000000  0.000000        0.00000            
REMARK 290   SMTRY2   7  0.000000  1.000000  0.000000       95.40309            
REMARK 290   SMTRY3   7  0.000000  0.000000  1.000000      105.03800            
REMARK 290   SMTRY1   8 -0.500000 -0.866025  0.000000        0.00000            
REMARK 290   SMTRY2   8  0.866025 -0.500000  0.000000       95.40309            
REMARK 290   SMTRY3   8  0.000000  0.000000  1.000000      105.03800            
REMARK 290   SMTRY1   9 -0.500000  0.866025  0.000000        0.00000            
REMARK 290   SMTRY2   9 -0.866025 -0.500000  0.000000       95.40309            
REMARK 290   SMTRY3   9  0.000000  0.000000  1.000000      105.03800            
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: HEXAMERIC                         
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 350   BIOMT1   2 -0.500000 -0.866025  0.000000      165.24300            
REMARK 350   BIOMT2   2  0.866025 -0.500000  0.000000        0.00000            
REMARK 350   BIOMT3   2  0.000000  0.000000  1.000000        0.00000            
REMARK 350   BIOMT1   3 -0.500000  0.866025  0.000000       82.62150            
REMARK 350   BIOMT2   3 -0.866025 -0.500000  0.000000      143.10464            
REMARK 350   BIOMT3   3  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     MET A     0                                                      
REMARK 465     MET B  1000                                                      
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  2007     O    HOH B   251              2.12            
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    LYS A   4       27.63    -67.50                                   
REMARK 500    ASP A  12      -12.49   -146.09                                   
REMARK 500    LYS A  37       30.01    -70.43                                   
REMARK 500    ASP A  60       84.11   -153.96                                   
REMARK 500    TYR A 145       65.45   -104.40                                   
REMARK 500    SER A 148       51.95   -107.36                                   
REMARK 500    HIS A 229       54.88   -148.47                                   
REMARK 500    GLU A 230     -145.41     57.40                                   
REMARK 500    ASN A 232     -174.68    -67.79                                   
REMARK 500    ALA A 246      135.84    -23.00                                   
REMARK 500    ALA A 267      155.99    155.19                                   
REMARK 500    ASN A 268       -6.70    -59.23                                   
REMARK 500    GLU A 269       37.19   -153.74                                   
REMARK 500    ALA A 270      -71.08    -57.74                                   
REMARK 500    GLU A 277       30.32    -96.65                                   
REMARK 500    PRO A 285       29.04    -56.71                                   
REMARK 500    GLU A 286      -62.18   -168.02                                   
REMARK 500    PHE A 287        3.98    -67.42                                   
REMARK 500    ARG A 289      -95.75   -106.95                                   
REMARK 500    ARG A 290       46.32    -69.52                                   
REMARK 500    ALA A 291       -3.19   -161.74                                   
REMARK 500    LYS A 292      -10.70   -141.14                                   
REMARK 500    ASP A 293      -73.97    -58.02                                   
REMARK 500    LYS A 294       93.83    -47.50                                   
REMARK 500    SER A 297      155.98    -31.70                                   
REMARK 500    THR A 331       50.05    -66.63                                   
REMARK 500    LYS A 332       -8.01   -150.23                                   
REMARK 500    LEU A 357       45.91    -94.16                                   
REMARK 500    TYR A 415      159.41    -49.57                                   
REMARK 500    SER A 422      121.17    -33.60                                   
REMARK 500    ASP B1002      -95.10   -106.52                                   
REMARK 500    LYS B1004        1.95    -60.43                                   
REMARK 500    ALA B1005      -74.42    -86.89                                   
REMARK 500    ASP B1012       10.41   -163.61                                   
REMARK 500    SER B1036       41.62    -79.72                                   
REMARK 500    LYS B1037        2.05   -159.58                                   
REMARK 500    ASP B1043       73.45   -153.04                                   
REMARK 500    SER B1080     -154.33   -111.26                                   
REMARK 500    PHE B1144      -81.64   -107.50                                   
REMARK 500    TYR B1145       68.24    -62.76                                   
REMARK 500    SER B1148       44.81   -157.68                                   
REMARK 500    HIS B1229       50.21   -158.78                                   
REMARK 500    GLU B1230     -150.11     56.99                                   
REMARK 500    ALA B1267      155.66    154.97                                   
REMARK 500    ASN B1268       -9.39    -47.30                                   
REMARK 500    GLU B1269       35.70   -158.77                                   
REMARK 500    GLU B1277       30.31    -90.01                                   
REMARK 500    PRO B1285       29.62    -55.96                                   
REMARK 500    GLU B1286      -62.31   -166.49                                   
REMARK 500    PHE B1287        3.91    -68.00                                   
REMARK 500                                                                      
REMARK 500 THIS ENTRY HAS      63 RAMACHANDRAN OUTLIERS.                        
REMARK 500                                                                      
REMARK 500 REMARK: NULL                                                         
REMARK 800                                                                      
REMARK 800 SITE                                                                 
REMARK 800 SITE_IDENTIFIER: AC1                                                 
REMARK 800 EVIDENCE_CODE: SOFTWARE                                              
REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE SO4 B 2001                
REMARK 800                                                                      
REMARK 800 SITE_IDENTIFIER: AC2                                                 
REMARK 800 EVIDENCE_CODE: SOFTWARE                                              
REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE SO4 B 2002                
REMARK 800                                                                      
REMARK 800 SITE_IDENTIFIER: AC3                                                 
REMARK 800 EVIDENCE_CODE: SOFTWARE                                              
REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE SO4 B 2003                
REMARK 800                                                                      
REMARK 800 SITE_IDENTIFIER: AC4                                                 
REMARK 800 EVIDENCE_CODE: SOFTWARE                                              
REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE SO4 A 2004                
REMARK 800                                                                      
REMARK 800 SITE_IDENTIFIER: AC5                                                 
REMARK 800 EVIDENCE_CODE: SOFTWARE                                              
REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE SO4 A 2005                
REMARK 800                                                                      
REMARK 800 SITE_IDENTIFIER: AC6                                                 
REMARK 800 EVIDENCE_CODE: SOFTWARE                                              
REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE SO4 A 2006                
REMARK 900                                                                      
REMARK 900 RELATED ENTRIES                                                      
REMARK 900 RELATED ID: 1K3P   RELATED DB: PDB                                   
DBREF  1NXE A    0   426  UNP    P0ABH7   CISY_ECOLI       1    427             
DBREF  1NXE B 1000  1426  UNP    P0ABH7   CISY_ECOLI       1    427             
SEQADV 1NXE ALA A  383  UNP  P0ABH7    PHE   384 ENGINEERED MUTATION            
SEQADV 1NXE ALA B 1383  UNP  P0ABH7    PHE   384 ENGINEERED MUTATION            
SEQRES   1 A  427  MET ALA ASP THR LYS ALA LYS LEU THR LEU ASN GLY ASP          
SEQRES   2 A  427  THR ALA VAL GLU LEU ASP VAL LEU LYS GLY THR LEU GLY          
SEQRES   3 A  427  GLN ASP VAL ILE ASP ILE ARG THR LEU GLY SER LYS GLY          
SEQRES   4 A  427  VAL PHE THR PHE ASP PRO GLY PHE THR SER THR ALA SER          
SEQRES   5 A  427  CYS GLU SER LYS ILE THR PHE ILE ASP GLY ASP GLU GLY          
SEQRES   6 A  427  ILE LEU LEU HIS ARG GLY PHE PRO ILE ASP GLN LEU ALA          
SEQRES   7 A  427  THR ASP SER ASN TYR LEU GLU VAL CYS TYR ILE LEU LEU          
SEQRES   8 A  427  ASN GLY GLU LYS PRO THR GLN GLU GLN TYR ASP GLU PHE          
SEQRES   9 A  427  LYS THR THR VAL THR ARG HIS THR MET ILE HIS GLU GLN          
SEQRES  10 A  427  ILE THR ARG LEU PHE HIS ALA PHE ARG ARG ASP SER HIS          
SEQRES  11 A  427  PRO MET ALA VAL MET CYS GLY ILE THR GLY ALA LEU ALA          
SEQRES  12 A  427  ALA PHE TYR HIS ASP SER LEU ASP VAL ASN ASN PRO ARG          
SEQRES  13 A  427  HIS ARG GLU ILE ALA ALA PHE ARG LEU LEU SER LYS MET          
SEQRES  14 A  427  PRO THR MET ALA ALA MET CYS TYR LYS TYR SER ILE GLY          
SEQRES  15 A  427  GLN PRO PHE VAL TYR PRO ARG ASN ASP LEU SER TYR ALA          
SEQRES  16 A  427  GLY ASN PHE LEU ASN MET MET PHE SER THR PRO CYS GLU          
SEQRES  17 A  427  PRO TYR GLU VAL ASN PRO ILE LEU GLU ARG ALA MET ASP          
SEQRES  18 A  427  ARG ILE LEU ILE LEU HIS ALA ASP HIS GLU GLN ASN ALA          
SEQRES  19 A  427  SER THR SER THR VAL ARG THR ALA GLY SER SER GLY ALA          
SEQRES  20 A  427  ASN PRO PHE ALA CYS ILE ALA ALA GLY ILE ALA SER LEU          
SEQRES  21 A  427  TRP GLY PRO ALA HIS GLY GLY ALA ASN GLU ALA ALA LEU          
SEQRES  22 A  427  LYS MET LEU GLU GLU ILE SER SER VAL LYS HIS ILE PRO          
SEQRES  23 A  427  GLU PHE PHE ARG ARG ALA LYS ASP LYS ASN ASP SER PHE          
SEQRES  24 A  427  ARG LEU MET GLY PHE GLY HIS ARG VAL TYR LYS ASN TYR          
SEQRES  25 A  427  ASP PRO ARG ALA THR VAL MET ARG GLU THR CYS HIS GLU          
SEQRES  26 A  427  VAL LEU LYS GLU LEU GLY THR LYS ASP ASP LEU LEU GLU          
SEQRES  27 A  427  VAL ALA MET GLU LEU GLU ASN ILE ALA LEU ASN ASP PRO          
SEQRES  28 A  427  TYR PHE ILE GLU LYS LYS LEU TYR PRO ASN VAL ASP PHE          
SEQRES  29 A  427  TYR SER GLY ILE ILE LEU LYS ALA MET GLY ILE PRO SER          
SEQRES  30 A  427  SER MET PHE THR VAL ILE ALA ALA MET ALA ARG THR VAL          
SEQRES  31 A  427  GLY TRP ILE ALA HIS TRP SER GLU MET HIS SER ASP GLY          
SEQRES  32 A  427  MET LYS ILE ALA ARG PRO ARG GLN LEU TYR THR GLY TYR          
SEQRES  33 A  427  GLU LYS ARG ASP PHE LYS SER ASP ILE LYS ARG                  
SEQRES   1 B  427  MET ALA ASP THR LYS ALA LYS LEU THR LEU ASN GLY ASP          
SEQRES   2 B  427  THR ALA VAL GLU LEU ASP VAL LEU LYS GLY THR LEU GLY          
SEQRES   3 B  427  GLN ASP VAL ILE ASP ILE ARG THR LEU GLY SER LYS GLY          
SEQRES   4 B  427  VAL PHE THR PHE ASP PRO GLY PHE THR SER THR ALA SER          
SEQRES   5 B  427  CYS GLU SER LYS ILE THR PHE ILE ASP GLY ASP GLU GLY          
SEQRES   6 B  427  ILE LEU LEU HIS ARG GLY PHE PRO ILE ASP GLN LEU ALA          
SEQRES   7 B  427  THR ASP SER ASN TYR LEU GLU VAL CYS TYR ILE LEU LEU          
SEQRES   8 B  427  ASN GLY GLU LYS PRO THR GLN GLU GLN TYR ASP GLU PHE          
SEQRES   9 B  427  LYS THR THR VAL THR ARG HIS THR MET ILE HIS GLU GLN          
SEQRES  10 B  427  ILE THR ARG LEU PHE HIS ALA PHE ARG ARG ASP SER HIS          
SEQRES  11 B  427  PRO MET ALA VAL MET CYS GLY ILE THR GLY ALA LEU ALA          
SEQRES  12 B  427  ALA PHE TYR HIS ASP SER LEU ASP VAL ASN ASN PRO ARG          
SEQRES  13 B  427  HIS ARG GLU ILE ALA ALA PHE ARG LEU LEU SER LYS MET          
SEQRES  14 B  427  PRO THR MET ALA ALA MET CYS TYR LYS TYR SER ILE GLY          
SEQRES  15 B  427  GLN PRO PHE VAL TYR PRO ARG ASN ASP LEU SER TYR ALA          
SEQRES  16 B  427  GLY ASN PHE LEU ASN MET MET PHE SER THR PRO CYS GLU          
SEQRES  17 B  427  PRO TYR GLU VAL ASN PRO ILE LEU GLU ARG ALA MET ASP          
SEQRES  18 B  427  ARG ILE LEU ILE LEU HIS ALA ASP HIS GLU GLN ASN ALA          
SEQRES  19 B  427  SER THR SER THR VAL ARG THR ALA GLY SER SER GLY ALA          
SEQRES  20 B  427  ASN PRO PHE ALA CYS ILE ALA ALA GLY ILE ALA SER LEU          
SEQRES  21 B  427  TRP GLY PRO ALA HIS GLY GLY ALA ASN GLU ALA ALA LEU          
SEQRES  22 B  427  LYS MET LEU GLU GLU ILE SER SER VAL LYS HIS ILE PRO          
SEQRES  23 B  427  GLU PHE PHE ARG ARG ALA LYS ASP LYS ASN ASP SER PHE          
SEQRES  24 B  427  ARG LEU MET GLY PHE GLY HIS ARG VAL TYR LYS ASN TYR          
SEQRES  25 B  427  ASP PRO ARG ALA THR VAL MET ARG GLU THR CYS HIS GLU          
SEQRES  26 B  427  VAL LEU LYS GLU LEU GLY THR LYS ASP ASP LEU LEU GLU          
SEQRES  27 B  427  VAL ALA MET GLU LEU GLU ASN ILE ALA LEU ASN ASP PRO          
SEQRES  28 B  427  TYR PHE ILE GLU LYS LYS LEU TYR PRO ASN VAL ASP PHE          
SEQRES  29 B  427  TYR SER GLY ILE ILE LEU LYS ALA MET GLY ILE PRO SER          
SEQRES  30 B  427  SER MET PHE THR VAL ILE ALA ALA MET ALA ARG THR VAL          
SEQRES  31 B  427  GLY TRP ILE ALA HIS TRP SER GLU MET HIS SER ASP GLY          
SEQRES  32 B  427  MET LYS ILE ALA ARG PRO ARG GLN LEU TYR THR GLY TYR          
SEQRES  33 B  427  GLU LYS ARG ASP PHE LYS SER ASP ILE LYS ARG                  
HET    SO4  A2004       5                                                       
HET    SO4  A2005       5                                                       
HET    SO4  A2006       5                                                       
HET    SO4  B2001       5                                                       
HET    SO4  B2002       5                                                       
HET    SO4  B2003       5                                                       
HETNAM     SO4 SULFATE ION                                                      
FORMUL   3  SO4    6(O4 S 2-)                                                   
FORMUL   9  HOH   *726(H2 O)                                                    
HELIX    1   1 ILE A   73  SER A   80  1                                   8    
HELIX    2   2 ASN A   81  GLY A   92  1                                  12    
HELIX    3   3 THR A   96  ARG A  109  1                                  14    
HELIX    4   4 GLN A  116  PHE A  124  5                                   9    
HELIX    5   5 HIS A  129  GLY A  139  1                                  11    
HELIX    6   6 ALA A  140  TYR A  145  1                                   6    
HELIX    7   7 ASN A  153  GLY A  181  1                                  29    
HELIX    8   8 SER A  192  SER A  203  1                                  12    
HELIX    9   9 ASN A  212  LEU A  225  1                                  14    
HELIX   10  10 ASN A  232  SER A  244  1                                  13    
HELIX   11  11 ASN A  247  TRP A  260  1                                  14    
HELIX   12  12 TRP A  260  GLY A  265  1                                   6    
HELIX   13  13 LEU A  272  GLU A  276  5                                   5    
HELIX   14  14 ARG A  314  LYS A  327  1                                  14    
HELIX   15  15 GLU A  337  ASP A  349  1                                  13    
HELIX   16  16 ASP A  349  LYS A  356  1                                   8    
HELIX   17  17 ASN A  360  MET A  372  1                                  13    
HELIX   18  18 MET A  378  GLY A  402  1                                  25    
HELIX   19  19 THR B 1033  GLY B 1038  5                                   6    
HELIX   20  20 GLY B 1061  GLY B 1064  5                                   4    
HELIX   21  21 ILE B 1073  SER B 1080  1                                   8    
HELIX   22  22 ASN B 1081  GLY B 1092  1                                  12    
HELIX   23  23 THR B 1096  ARG B 1109  1                                  14    
HELIX   24  24 HIS B 1114  ALA B 1123  1                                  10    
HELIX   25  25 HIS B 1129  ALA B 1140  1                                  12    
HELIX   26  26 LEU B 1141  PHE B 1144  5                                   4    
HELIX   27  27 ASN B 1153  GLY B 1181  1                                  29    
HELIX   28  28 SER B 1192  SER B 1203  1                                  12    
HELIX   29  29 ASN B 1212  LEU B 1225  1                                  14    
HELIX   30  30 ASN B 1232  SER B 1244  1                                  13    
HELIX   31  31 ASN B 1247  TRP B 1260  1                                  14    
HELIX   32  32 TRP B 1260  GLY B 1265  1                                   6    
HELIX   33  33 LEU B 1272  GLU B 1276  5                                   5    
HELIX   34  34 ARG B 1314  GLY B 1330  1                                  17    
HELIX   35  35 GLU B 1337  ASP B 1349  1                                  13    
HELIX   36  36 ASP B 1349  LYS B 1355  1                                   7    
HELIX   37  37 ASN B 1360  GLY B 1373  1                                  14    
HELIX   38  38 PRO B 1375  SER B 1377  5                                   3    
HELIX   39  39 MET B 1378  HIS B 1399  1                                  22    
SHEET    1   A 8 GLU B1016  LEU B1017  0                                        
SHEET    2   A 8 LEU B1007  ASN B1010 -1  N  LEU B1007   O  LEU B1017           
SHEET    3   A 8 LYS A   6  ASN A  10 -1  N  THR A   8   O  ASN B1010           
SHEET    4   A 8 ALA A  14  LEU A  20 -1  O  LEU A  17   N  LEU A   7           
SHEET    5   A 8 VAL A  28  ASP A  30 -1  O  VAL A  28   N  LEU A  20           
SHEET    6   A 8 THR B1041  PHE B1042  1  O  PHE B1042   N  ILE A  29           
SHEET    7   A 8 THR A  49  SER A  54  1  N  ALA A  50   O  THR B1041           
SHEET    8   A 8 ARG B1409  TYR B1412  1  O  LEU B1411   N  SER A  54           
SHEET    1   B 5 ARG A 409  TYR A 412  0                                        
SHEET    2   B 5 THR B1049  SER B1054  1  O  THR B1049   N  ARG A 409           
SHEET    3   B 5 THR A  41  PHE A  42  1  N  THR A  41   O  ALA B1050           
SHEET    4   B 5 VAL B1028  ASP B1030  1  O  ILE B1029   N  PHE A  42           
SHEET    5   B 5 VAL B1019  LEU B1020 -1  N  LEU B1020   O  VAL B1028           
SHEET    1   C 3 THR A  57  ASP A  60  0                                        
SHEET    2   C 3 ILE A  65  HIS A  68 -1  O  ILE A  65   N  ASP A  60           
SHEET    3   C 3 PHE A  71  PRO A  72 -1  O  PHE A  71   N  HIS A  68           
SHEET    1   D 3 THR B1057  ASP B1060  0                                        
SHEET    2   D 3 ILE B1065  HIS B1068 -1  O  LEU B1067   N  PHE B1058           
SHEET    3   D 3 PHE B1071  PRO B1072 -1  O  PHE B1071   N  HIS B1068           
SITE     1 AC1  6 ARG A 407  HOH B  53  ASN B1232  ALA B1233                    
SITE     2 AC1  6 ARG B1299  ARG B1306                                          
SITE     1 AC2  6 HOH B 446  HOH B 648  HIS B1110  TYR B1145                    
SITE     2 AC2  6 ARG B1163  LYS B1167                                          
SITE     1 AC3  8 HOH B  53  HOH B  63  HOH B 194  HIS B1229                    
SITE     2 AC3  8 ASN B1232  HIS B1305  ARG B1314  ARG B1387                    
SITE     1 AC4  7 ASN A 232  ALA A 233  ARG A 299  ARG A 306                    
SITE     2 AC4  7 HOH A2031  HOH A2098  ARG B1407                               
SITE     1 AC5  4 HIS A 110  TYR A 145  ARG A 163  LYS A 167                    
SITE     1 AC6  9 HIS A 229  ASN A 232  ARG A 299  HIS A 305                    
SITE     2 AC6  9 ARG A 314  ARG A 387  HOH A2031  HOH A2321                    
SITE     3 AC6  9 HOH A2355                                                     
CRYST1  165.243  165.243  157.557  90.00  90.00 120.00 H 3          18          
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      0.006052  0.003494  0.000000        0.00000                         
SCALE2      0.000000  0.006988  0.000000        0.00000                         
SCALE3      0.000000  0.000000  0.006347        0.00000                         
(ATOM LINES ARE NOT SHOWN.)
END                                                                             
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