HEADER    TRANSFERASE                             28-FEB-01   1I5N              
TITLE     CRYSTAL STRUCTURE OF THE P1 DOMAIN OF CHEA FROM SALMONELLA TYPHIMURIUM
COMPND    MOL_ID: 1;                                                            
COMPND   2 MOLECULE: CHEMOTAXIS PROTEIN CHEA;                                   
COMPND   3 CHAIN: A, B, C, D;                                                   
COMPND   4 FRAGMENT: RESIDUES 1-138;                                            
COMPND   5 EC: 2.7.3.-;                                                         
COMPND   6 ENGINEERED: YES                                                      
SOURCE    MOL_ID: 1;                                                            
SOURCE   2 ORGANISM_SCIENTIFIC: SALMONELLA TYPHIMURIUM;                         
SOURCE   3 ORGANISM_TAXID: 602;                                                 
SOURCE   4 GENE: CHEA;                                                          
SOURCE   5 EXPRESSION_SYSTEM: ESCHERICHIA COLI;                                 
SOURCE   6 EXPRESSION_SYSTEM_TAXID: 562                                         
KEYWDS    FOUR-HELIX BUNDLE, TRANSFERASE                                        
EXPDTA    X-RAY DIFFRACTION                                                     
AUTHOR    L.MOUREY,S.DA RE,J.-D.PEDELACQ,T.TOLSTYK,C.FAURIE,V.GUILLET,          
AUTHOR   2 J.B.STOCK,J.-P.SAMAMA                                                
REVDAT   4   30-OCT-24 1I5N    1       REMARK SEQADV LINK                       
REVDAT   3   24-FEB-09 1I5N    1       VERSN                                    
REVDAT   2   17-MAY-05 1I5N    1       JRNL                                     
REVDAT   1   11-JUL-01 1I5N    0                                                
JRNL        AUTH   L.MOUREY,S.DA RE,J.-D.PEDELACQ,T.TOLSTYKH,C.FAURIE,          
JRNL        AUTH 2 V.GUILLET,J.B.STOCK,J.-P.SAMAMA                              
JRNL        TITL   CRYSTAL STRUCTURE OF THE CHEA HISTIDINE PHOSPHOTRANSFER      
JRNL        TITL 2 DOMAIN THAT MEDIATES RESPONSE REGULATOR PHOSPHORYLATION IN   
JRNL        TITL 3 BACTERIAL CHEMOTAXIS                                         
JRNL        REF    J.BIOL.CHEM.                  V. 276 31074 2001              
JRNL        REFN                   ISSN 0021-9258                               
JRNL        PMID   11387324                                                     
JRNL        DOI    10.1074/JBC.M101943200                                       
REMARK   1                                                                      
REMARK   1 REFERENCE 1                                                          
REMARK   1  AUTH   M.FOUSSARD,S.CABANTOUS,J.-D.PEDELACQ,V.GUILLET,S.TRANIER,    
REMARK   1  AUTH 2 L.MOUREY,C.BIRCK,J.SAMAMA                                    
REMARK   1  TITL   THE MOLECULAR PUZZLE OF TWO-COMPONENT SIGNALING CASCADES     
REMARK   1  REF    MICROBES INFECT.              V.   3   417 2001              
REMARK   1  REFN                   ISSN 1286-4579                               
REMARK   1  DOI    10.1016/S1286-4579(01)01390-9                                
REMARK   2                                                                      
REMARK   2 RESOLUTION.    2.14 ANGSTROMS.                                       
REMARK   3                                                                      
REMARK   3 REFINEMENT.                                                          
REMARK   3   PROGRAM     : CNS 0.9                                              
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) : 2.14                           
REMARK   3   RESOLUTION RANGE LOW  (ANGSTROMS) : 35.30                          
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)   (%) : 98.3                           
REMARK   3   NUMBER OF REFLECTIONS             : 31179                          
REMARK   3                                                                      
REMARK   3  FIT TO DATA USED IN REFINEMENT.                                     
REMARK   3   CROSS-VALIDATION METHOD          : THROUGHOUT                      
REMARK   3   FREE R VALUE TEST SET SELECTION  : RANDOM                          
REMARK   3   R VALUE            (WORKING SET) : 0.210                           
REMARK   3   FREE R VALUE                     : 0.248                           
REMARK   3   FREE R VALUE TEST SET SIZE   (%) : 5.000                           
REMARK   3   FREE R VALUE TEST SET COUNT      : 1548                            
REMARK   3   ESTIMATED ERROR OF FREE R VALUE  : 0.006                           
REMARK   3                                                                      
REMARK   3  FIT IN THE HIGHEST RESOLUTION BIN.                                  
REMARK   3   TOTAL NUMBER OF BINS USED           : 6                            
REMARK   3   BIN RESOLUTION RANGE HIGH       (A) : 2.14                         
REMARK   3   BIN RESOLUTION RANGE LOW        (A) : 2.28                         
REMARK   3   BIN COMPLETENESS (WORKING+TEST) (%) : 88.80                        
REMARK   3   REFLECTIONS IN BIN    (WORKING SET) : 4410                         
REMARK   3   BIN R VALUE           (WORKING SET) : 0.2570                       
REMARK   3   BIN FREE R VALUE                    : 0.2990                       
REMARK   3   BIN FREE R VALUE TEST SET SIZE  (%) : 5.30                         
REMARK   3   BIN FREE R VALUE TEST SET COUNT     : 245                          
REMARK   3   ESTIMATED ERROR OF BIN FREE R VALUE : 0.019                        
REMARK   3                                                                      
REMARK   3  NUMBER OF NON-HYDROGEN ATOMS USED IN REFINEMENT.                    
REMARK   3   PROTEIN ATOMS            : 4014                                    
REMARK   3   NUCLEIC ACID ATOMS       : 0                                       
REMARK   3   HETEROGEN ATOMS          : 5                                       
REMARK   3   SOLVENT ATOMS            : 215                                     
REMARK   3                                                                      
REMARK   3  B VALUES.                                                           
REMARK   3   FROM WILSON PLOT           (A**2) : 21.20                          
REMARK   3   MEAN B VALUE      (OVERALL, A**2) : 23.60                          
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) : 0.24                            
REMARK   3   ESD FROM SIGMAA              (A) : 0.16                            
REMARK   3   LOW RESOLUTION CUTOFF        (A) : 5.00                            
REMARK   3                                                                      
REMARK   3  CROSS-VALIDATED ESTIMATED COORDINATE ERROR.                         
REMARK   3   ESD FROM C-V LUZZATI PLOT    (A) : 0.30                            
REMARK   3   ESD FROM C-V SIGMAA          (A) : 0.21                            
REMARK   3                                                                      
REMARK   3  RMS DEVIATIONS FROM IDEAL VALUES.                                   
REMARK   3   BOND LENGTHS                 (A) : 0.007                           
REMARK   3   BOND ANGLES            (DEGREES) : 1.100                           
REMARK   3   DIHEDRAL ANGLES        (DEGREES) : 17.60                           
REMARK   3   IMPROPER ANGLES        (DEGREES) : 0.790                           
REMARK   3                                                                      
REMARK   3  ISOTROPIC THERMAL MODEL : RESTRAINED                                
REMARK   3                                                                      
REMARK   3  ISOTROPIC THERMAL FACTOR RESTRAINTS.    RMS    SIGMA                
REMARK   3   MAIN-CHAIN BOND              (A**2) : 1.900 ; 1.500                
REMARK   3   MAIN-CHAIN ANGLE             (A**2) : 2.600 ; 2.000                
REMARK   3   SIDE-CHAIN BOND              (A**2) : 3.440 ; 2.000                
REMARK   3   SIDE-CHAIN ANGLE             (A**2) : 4.500 ; 2.500                
REMARK   3                                                                      
REMARK   3  BULK SOLVENT MODELING.                                              
REMARK   3   METHOD USED : FLAT MODEL                                           
REMARK   3   KSOL        : 0.37                                                 
REMARK   3   BSOL        : 46.90                                                
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  : PROTEIN_REP.PARAM                              
REMARK   3  PARAMETER FILE  2  : WATER.PARAM                                    
REMARK   3  PARAMETER FILE  3  : ION.PARAM                                      
REMARK   3  PARAMETER FILE  4  : NULL                                           
REMARK   3  TOPOLOGY FILE  1   : PROTEIN.TOP                                    
REMARK   3  TOPOLOGY FILE  2   : NULL                                           
REMARK   3  TOPOLOGY FILE  3   : NULL                                           
REMARK   3  TOPOLOGY FILE  4   : NULL                                           
REMARK   3                                                                      
REMARK   3  OTHER REFINEMENT REMARKS: NULL                                      
REMARK   4                                                                      
REMARK   4 1I5N COMPLIES WITH FORMAT V. 3.30, 13-JUL-11                         
REMARK 100                                                                      
REMARK 100 THIS ENTRY HAS BEEN PROCESSED BY RCSB ON 06-MAR-01.                  
REMARK 100 THE DEPOSITION ID IS D_1000012934.                                   
REMARK 200                                                                      
REMARK 200 EXPERIMENTAL DETAILS                                                 
REMARK 200  EXPERIMENT TYPE                : X-RAY DIFFRACTION                  
REMARK 200  DATE OF DATA COLLECTION        : 18-SEP-99                          
REMARK 200  TEMPERATURE           (KELVIN) : 100                                
REMARK 200  PH                             : 5.0                                
REMARK 200  NUMBER OF CRYSTALS USED        : 1                                  
REMARK 200                                                                      
REMARK 200  SYNCHROTRON              (Y/N) : Y                                  
REMARK 200  RADIATION SOURCE               : EMBL/DESY, HAMBURG                 
REMARK 200  BEAMLINE                       : BW7A                               
REMARK 200  X-RAY GENERATOR MODEL          : NULL                               
REMARK 200  MONOCHROMATIC OR LAUE    (M/L) : M                                  
REMARK 200  WAVELENGTH OR RANGE        (A) : 0.9802, 0.9300, 0.9805             
REMARK 200  MONOCHROMATOR                  : DOUBLE CRYSTAL FOCUSSING           
REMARK 200                                   MONOCHROMATOR                      
REMARK 200  OPTICS                         : NULL                               
REMARK 200                                                                      
REMARK 200  DETECTOR TYPE                  : IMAGE PLATE                        
REMARK 200  DETECTOR MANUFACTURER          : MARRESEARCH                        
REMARK 200  INTENSITY-INTEGRATION SOFTWARE : MOSFLM                             
REMARK 200  DATA SCALING SOFTWARE          : SCALA, CCP4 (SCALA)                
REMARK 200                                                                      
REMARK 200  NUMBER OF UNIQUE REFLECTIONS   : 31247                              
REMARK 200  RESOLUTION RANGE HIGH      (A) : 2.140                              
REMARK 200  RESOLUTION RANGE LOW       (A) : 35.300                             
REMARK 200  REJECTION CRITERIA  (SIGMA(I)) : 0.000                              
REMARK 200                                                                      
REMARK 200 OVERALL.                                                             
REMARK 200  COMPLETENESS FOR RANGE     (%) : 98.3                               
REMARK 200  DATA REDUNDANCY                : 6.600                              
REMARK 200  R MERGE                    (I) : 0.04800                            
REMARK 200  R SYM                      (I) : NULL                               
REMARK 200  <I/SIGMA(I)> FOR THE DATA SET  : 6.8000                             
REMARK 200                                                                      
REMARK 200 IN THE HIGHEST RESOLUTION SHELL.                                     
REMARK 200  HIGHEST RESOLUTION SHELL, RANGE HIGH (A) : 2.14                     
REMARK 200  HIGHEST RESOLUTION SHELL, RANGE LOW  (A) : 2.26                     
REMARK 200  COMPLETENESS FOR SHELL     (%) : 91.3                               
REMARK 200  DATA REDUNDANCY IN SHELL       : 5.90                               
REMARK 200  R MERGE FOR SHELL          (I) : 0.16700                            
REMARK 200  R SYM FOR SHELL            (I) : NULL                               
REMARK 200  <I/SIGMA(I)> FOR SHELL         : NULL                               
REMARK 200                                                                      
REMARK 200 DIFFRACTION PROTOCOL: MAD                                            
REMARK 200 METHOD USED TO DETERMINE THE STRUCTURE: MAD                          
REMARK 200 SOFTWARE USED: SOLVE, SHARP, AMORE                                   
REMARK 200 STARTING MODEL: NULL                                                 
REMARK 200                                                                      
REMARK 200 REMARK: NULL                                                         
REMARK 280                                                                      
REMARK 280 CRYSTAL                                                              
REMARK 280 SOLVENT CONTENT, VS   (%): 39.90                                     
REMARK 280 MATTHEWS COEFFICIENT, VM (ANGSTROMS**3/DA): 2.06                     
REMARK 280                                                                      
REMARK 280 CRYSTALLIZATION CONDITIONS: POLYETHYLENE GLYCOL 2000 MONOMETHYL      
REMARK 280  ETHER, AMMONIUM SULFATE, SODIUM ACETATE, PH 5.0, VAPOR DIFFUSION,   
REMARK 280  HANGING DROP, TEMPERATURE 285K                                      
REMARK 290                                                                      
REMARK 290 CRYSTALLOGRAPHIC SYMMETRY                                            
REMARK 290 SYMMETRY OPERATORS FOR SPACE GROUP: P 21 21 21                       
REMARK 290                                                                      
REMARK 290      SYMOP   SYMMETRY                                                
REMARK 290     NNNMMM   OPERATOR                                                
REMARK 290       1555   X,Y,Z                                                   
REMARK 290       2555   -X+1/2,-Y,Z+1/2                                         
REMARK 290       3555   -X,Y+1/2,-Z+1/2                                         
REMARK 290       4555   X+1/2,-Y+1/2,-Z                                         
REMARK 290                                                                      
REMARK 290     WHERE NNN -> OPERATOR NUMBER                                     
REMARK 290           MMM -> TRANSLATION VECTOR                                  
REMARK 290                                                                      
REMARK 290 CRYSTALLOGRAPHIC SYMMETRY TRANSFORMATIONS                            
REMARK 290 THE FOLLOWING TRANSFORMATIONS OPERATE ON THE ATOM/HETATM             
REMARK 290 RECORDS IN THIS ENTRY TO PRODUCE CRYSTALLOGRAPHICALLY                
REMARK 290 RELATED MOLECULES.                                                   
REMARK 290   SMTRY1   1  1.000000  0.000000  0.000000        0.00000            
REMARK 290   SMTRY2   1  0.000000  1.000000  0.000000        0.00000            
REMARK 290   SMTRY3   1  0.000000  0.000000  1.000000        0.00000            
REMARK 290   SMTRY1   2 -1.000000  0.000000  0.000000       27.47500            
REMARK 290   SMTRY2   2  0.000000 -1.000000  0.000000        0.00000            
REMARK 290   SMTRY3   2  0.000000  0.000000  1.000000       57.91000            
REMARK 290   SMTRY1   3 -1.000000  0.000000  0.000000        0.00000            
REMARK 290   SMTRY2   3  0.000000  1.000000  0.000000       44.36000            
REMARK 290   SMTRY3   3  0.000000  0.000000 -1.000000       57.91000            
REMARK 290   SMTRY1   4  1.000000  0.000000  0.000000       27.47500            
REMARK 290   SMTRY2   4  0.000000 -1.000000  0.000000       44.36000            
REMARK 290   SMTRY3   4  0.000000  0.000000 -1.000000        0.00000            
REMARK 290                                                                      
REMARK 290 REMARK: NULL                                                         
REMARK 300                                                                      
REMARK 300 BIOMOLECULE: 1, 2, 3, 4                                              
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 300 REMARK: THE BIOLOGICAL ASSEMBLY IS A MONOMER. THERE ARE FOUR SUCH    
REMARK 300 MONOMERS IN THE ASYMMETRIC UNIT.                                     
REMARK 350                                                                      
REMARK 350 COORDINATES FOR A COMPLETE MULTIMER REPRESENTING THE KNOWN           
REMARK 350 BIOLOGICALLY SIGNIFICANT OLIGOMERIZATION STATE OF THE                
REMARK 350 MOLECULE CAN BE GENERATED BY APPLYING BIOMT TRANSFORMATIONS          
REMARK 350 GIVEN BELOW.  BOTH NON-CRYSTALLOGRAPHIC AND                          
REMARK 350 CRYSTALLOGRAPHIC OPERATIONS ARE GIVEN.                               
REMARK 350                                                                      
REMARK 350 BIOMOLECULE: 1                                                       
REMARK 350 AUTHOR DETERMINED BIOLOGICAL UNIT: MONOMERIC                         
REMARK 350 APPLY THE FOLLOWING TO CHAINS: A                                     
REMARK 350   BIOMT1   1  1.000000  0.000000  0.000000        0.00000            
REMARK 350   BIOMT2   1  0.000000  1.000000  0.000000        0.00000            
REMARK 350   BIOMT3   1  0.000000  0.000000  1.000000        0.00000            
REMARK 350                                                                      
REMARK 350 BIOMOLECULE: 2                                                       
REMARK 350 AUTHOR DETERMINED BIOLOGICAL UNIT: MONOMERIC                         
REMARK 350 APPLY THE FOLLOWING TO CHAINS: B                                     
REMARK 350   BIOMT1   1  1.000000  0.000000  0.000000        0.00000            
REMARK 350   BIOMT2   1  0.000000  1.000000  0.000000        0.00000            
REMARK 350   BIOMT3   1  0.000000  0.000000  1.000000        0.00000            
REMARK 350                                                                      
REMARK 350 BIOMOLECULE: 3                                                       
REMARK 350 AUTHOR DETERMINED BIOLOGICAL UNIT: MONOMERIC                         
REMARK 350 APPLY THE FOLLOWING TO CHAINS: C                                     
REMARK 350   BIOMT1   1  1.000000  0.000000  0.000000        0.00000            
REMARK 350   BIOMT2   1  0.000000  1.000000  0.000000        0.00000            
REMARK 350   BIOMT3   1  0.000000  0.000000  1.000000        0.00000            
REMARK 350                                                                      
REMARK 350 BIOMOLECULE: 4                                                       
REMARK 350 AUTHOR DETERMINED BIOLOGICAL UNIT: MONOMERIC                         
REMARK 350 APPLY THE FOLLOWING TO CHAINS: D                                     
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     MSE A     1                                                      
REMARK 465     SER A     2                                                      
REMARK 465     MSE A     3                                                      
REMARK 465     GLY A   132                                                      
REMARK 465     GLU A   133                                                      
REMARK 465     THR A   134                                                      
REMARK 465     THR A   135                                                      
REMARK 465     PRO A   136                                                      
REMARK 465     ALA A   137                                                      
REMARK 465     VAL A   138                                                      
REMARK 465     ARG A   139                                                      
REMARK 465     SER A   140                                                      
REMARK 465     HIS A   141                                                      
REMARK 465     HIS A   142                                                      
REMARK 465     HIS A   143                                                      
REMARK 465     HIS A   144                                                      
REMARK 465     HIS A   145                                                      
REMARK 465     HIS A   146                                                      
REMARK 465     MSE B     1                                                      
REMARK 465     SER B     2                                                      
REMARK 465     GLU B    33                                                      
REMARK 465     SER B    34                                                      
REMARK 465     PRO B    35                                                      
REMARK 465     ASP B    36                                                      
REMARK 465     GLY B   132                                                      
REMARK 465     GLU B   133                                                      
REMARK 465     THR B   134                                                      
REMARK 465     THR B   135                                                      
REMARK 465     PRO B   136                                                      
REMARK 465     ALA B   137                                                      
REMARK 465     VAL B   138                                                      
REMARK 465     ARG B   139                                                      
REMARK 465     SER B   140                                                      
REMARK 465     HIS B   141                                                      
REMARK 465     HIS B   142                                                      
REMARK 465     HIS B   143                                                      
REMARK 465     HIS B   144                                                      
REMARK 465     HIS B   145                                                      
REMARK 465     HIS B   146                                                      
REMARK 465     MSE C     1                                                      
REMARK 465     SER C     2                                                      
REMARK 465     MSE C     3                                                      
REMARK 465     ASP C     4                                                      
REMARK 465     ALA C   130                                                      
REMARK 465     LYS C   131                                                      
REMARK 465     GLY C   132                                                      
REMARK 465     GLU C   133                                                      
REMARK 465     THR C   134                                                      
REMARK 465     THR C   135                                                      
REMARK 465     PRO C   136                                                      
REMARK 465     ALA C   137                                                      
REMARK 465     VAL C   138                                                      
REMARK 465     ARG C   139                                                      
REMARK 465     SER C   140                                                      
REMARK 465     HIS C   141                                                      
REMARK 465     HIS C   142                                                      
REMARK 465     HIS C   143                                                      
REMARK 465     HIS C   144                                                      
REMARK 465     HIS C   145                                                      
REMARK 465     HIS C   146                                                      
REMARK 465     MSE D     1                                                      
REMARK 465     SER D     2                                                      
REMARK 465     MSE D     3                                                      
REMARK 465     ASP D     4                                                      
REMARK 465     THR D   134                                                      
REMARK 465     THR D   135                                                      
REMARK 465     PRO D   136                                                      
REMARK 465     ALA D   137                                                      
REMARK 465     VAL D   138                                                      
REMARK 465     ARG D   139                                                      
REMARK 465     SER D   140                                                      
REMARK 465     HIS D   141                                                      
REMARK 465     HIS D   142                                                      
REMARK 465     HIS D   143                                                      
REMARK 465     HIS D   144                                                      
REMARK 465     HIS D   145                                                      
REMARK 465     HIS D   146                                                      
REMARK 470                                                                      
REMARK 470 MISSING ATOM                                                         
REMARK 470 THE FOLLOWING RESIDUES HAVE MISSING ATOMS (M=MODEL NUMBER;           
REMARK 470 RES=RESIDUE NAME; C=CHAIN IDENTIFIER; SSEQ=SEQUENCE NUMBER;          
REMARK 470 I=INSERTION CODE):                                                   
REMARK 470   M RES CSSEQI  ATOMS                                                
REMARK 470     ASP A   4    CG   OD1  OD2                                       
REMARK 470     LYS A 131    CG   CD   CE   NZ                                   
REMARK 470     MSE B   3    CG  SE    CE                                        
REMARK 470     GLU B 129    CG   CD   OE1  OE2                                  
REMARK 470     LYS B 131    CG   CD   CE   NZ                                   
REMARK 470     ILE C   5    CB                                                  
REMARK 470     GLU D  33    CG   CD   OE1  OE2                                  
REMARK 470     GLU D 133    CG   CD   OE1  OE2                                  
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    ALA B 130      -71.39    -57.32                                   
REMARK 500    SER C  34       54.99   -161.69                                   
REMARK 500    SER D  34       76.75   -150.53                                   
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 A 147                 
DBREF  1I5N A    1   138  UNP    P09384   CHEA_SALTY       1    138             
DBREF  1I5N B    1   138  UNP    P09384   CHEA_SALTY       1    138             
DBREF  1I5N C    1   138  UNP    P09384   CHEA_SALTY       1    138             
DBREF  1I5N D    1   138  UNP    P09384   CHEA_SALTY       1    138             
SEQADV 1I5N MSE A    1  UNP  P09384    MET     1 MODIFIED RESIDUE               
SEQADV 1I5N MSE A    3  UNP  P09384    MET     3 MODIFIED RESIDUE               
SEQADV 1I5N MSE A   23  UNP  P09384    MET    23 MODIFIED RESIDUE               
SEQADV 1I5N MSE A   69  UNP  P09384    MET    69 MODIFIED RESIDUE               
SEQADV 1I5N MSE A   81  UNP  P09384    MET    81 MODIFIED RESIDUE               
SEQADV 1I5N MSE A   98  UNP  P09384    MET    98 MODIFIED RESIDUE               
SEQADV 1I5N ARG A  139  UNP  P09384              EXPRESSION TAG                 
SEQADV 1I5N SER A  140  UNP  P09384              EXPRESSION TAG                 
SEQADV 1I5N HIS A  141  UNP  P09384              EXPRESSION TAG                 
SEQADV 1I5N HIS A  142  UNP  P09384              EXPRESSION TAG                 
SEQADV 1I5N HIS A  143  UNP  P09384              EXPRESSION TAG                 
SEQADV 1I5N HIS A  144  UNP  P09384              EXPRESSION TAG                 
SEQADV 1I5N HIS A  145  UNP  P09384              EXPRESSION TAG                 
SEQADV 1I5N HIS A  146  UNP  P09384              EXPRESSION TAG                 
SEQADV 1I5N MSE B    1  UNP  P09384    MET     1 MODIFIED RESIDUE               
SEQADV 1I5N MSE B    3  UNP  P09384    MET     3 MODIFIED RESIDUE               
SEQADV 1I5N MSE B   23  UNP  P09384    MET    23 MODIFIED RESIDUE               
SEQADV 1I5N MSE B   69  UNP  P09384    MET    69 MODIFIED RESIDUE               
SEQADV 1I5N MSE B   81  UNP  P09384    MET    81 MODIFIED RESIDUE               
SEQADV 1I5N MSE B   98  UNP  P09384    MET    98 MODIFIED RESIDUE               
SEQADV 1I5N ARG B  139  UNP  P09384              EXPRESSION TAG                 
SEQADV 1I5N SER B  140  UNP  P09384              EXPRESSION TAG                 
SEQADV 1I5N HIS B  141  UNP  P09384              EXPRESSION TAG                 
SEQADV 1I5N HIS B  142  UNP  P09384              EXPRESSION TAG                 
SEQADV 1I5N HIS B  143  UNP  P09384              EXPRESSION TAG                 
SEQADV 1I5N HIS B  144  UNP  P09384              EXPRESSION TAG                 
SEQADV 1I5N HIS B  145  UNP  P09384              EXPRESSION TAG                 
SEQADV 1I5N HIS B  146  UNP  P09384              EXPRESSION TAG                 
SEQADV 1I5N MSE C    1  UNP  P09384    MET     1 MODIFIED RESIDUE               
SEQADV 1I5N MSE C    3  UNP  P09384    MET     3 MODIFIED RESIDUE               
SEQADV 1I5N MSE C   23  UNP  P09384    MET    23 MODIFIED RESIDUE               
SEQADV 1I5N MSE C   69  UNP  P09384    MET    69 MODIFIED RESIDUE               
SEQADV 1I5N MSE C   81  UNP  P09384    MET    81 MODIFIED RESIDUE               
SEQADV 1I5N MSE C   98  UNP  P09384    MET    98 MODIFIED RESIDUE               
SEQADV 1I5N ARG C  139  UNP  P09384              EXPRESSION TAG                 
SEQADV 1I5N SER C  140  UNP  P09384              EXPRESSION TAG                 
SEQADV 1I5N HIS C  141  UNP  P09384              EXPRESSION TAG                 
SEQADV 1I5N HIS C  142  UNP  P09384              EXPRESSION TAG                 
SEQADV 1I5N HIS C  143  UNP  P09384              EXPRESSION TAG                 
SEQADV 1I5N HIS C  144  UNP  P09384              EXPRESSION TAG                 
SEQADV 1I5N HIS C  145  UNP  P09384              EXPRESSION TAG                 
SEQADV 1I5N HIS C  146  UNP  P09384              EXPRESSION TAG                 
SEQADV 1I5N MSE D    1  UNP  P09384    MET     1 MODIFIED RESIDUE               
SEQADV 1I5N MSE D    3  UNP  P09384    MET     3 MODIFIED RESIDUE               
SEQADV 1I5N MSE D   23  UNP  P09384    MET    23 MODIFIED RESIDUE               
SEQADV 1I5N MSE D   69  UNP  P09384    MET    69 MODIFIED RESIDUE               
SEQADV 1I5N MSE D   81  UNP  P09384    MET    81 MODIFIED RESIDUE               
SEQADV 1I5N MSE D   98  UNP  P09384    MET    98 MODIFIED RESIDUE               
SEQADV 1I5N ARG D  139  UNP  P09384              EXPRESSION TAG                 
SEQADV 1I5N SER D  140  UNP  P09384              EXPRESSION TAG                 
SEQADV 1I5N HIS D  141  UNP  P09384              EXPRESSION TAG                 
SEQADV 1I5N HIS D  142  UNP  P09384              EXPRESSION TAG                 
SEQADV 1I5N HIS D  143  UNP  P09384              EXPRESSION TAG                 
SEQADV 1I5N HIS D  144  UNP  P09384              EXPRESSION TAG                 
SEQADV 1I5N HIS D  145  UNP  P09384              EXPRESSION TAG                 
SEQADV 1I5N HIS D  146  UNP  P09384              EXPRESSION TAG                 
SEQRES   1 A  146  MSE SER MSE ASP ILE SER ASP PHE TYR GLN THR PHE PHE          
SEQRES   2 A  146  ASP GLU ALA ASP GLU LEU LEU ALA ASP MSE GLU GLN HIS          
SEQRES   3 A  146  LEU LEU ASP LEU VAL PRO GLU SER PRO ASP ALA GLU GLN          
SEQRES   4 A  146  LEU ASN ALA ILE PHE ARG ALA ALA HIS SER ILE LYS GLY          
SEQRES   5 A  146  GLY ALA GLY THR PHE GLY PHE THR ILE LEU GLN GLU THR          
SEQRES   6 A  146  THR HIS LEU MSE GLU ASN LEU LEU ASP GLU ALA ARG ARG          
SEQRES   7 A  146  GLY GLU MSE GLN LEU ASN THR ASP ILE ILE ASN LEU PHE          
SEQRES   8 A  146  LEU GLU THR LYS ASP ILE MSE GLN GLU GLN LEU ASP ALA          
SEQRES   9 A  146  TYR LYS ASN SER GLU GLU PRO ASP ALA ALA SER PHE GLU          
SEQRES  10 A  146  TYR ILE CYS ASN ALA LEU ARG GLN LEU ALA LEU GLU ALA          
SEQRES  11 A  146  LYS GLY GLU THR THR PRO ALA VAL ARG SER HIS HIS HIS          
SEQRES  12 A  146  HIS HIS HIS                                                  
SEQRES   1 B  146  MSE SER MSE ASP ILE SER ASP PHE TYR GLN THR PHE PHE          
SEQRES   2 B  146  ASP GLU ALA ASP GLU LEU LEU ALA ASP MSE GLU GLN HIS          
SEQRES   3 B  146  LEU LEU ASP LEU VAL PRO GLU SER PRO ASP ALA GLU GLN          
SEQRES   4 B  146  LEU ASN ALA ILE PHE ARG ALA ALA HIS SER ILE LYS GLY          
SEQRES   5 B  146  GLY ALA GLY THR PHE GLY PHE THR ILE LEU GLN GLU THR          
SEQRES   6 B  146  THR HIS LEU MSE GLU ASN LEU LEU ASP GLU ALA ARG ARG          
SEQRES   7 B  146  GLY GLU MSE GLN LEU ASN THR ASP ILE ILE ASN LEU PHE          
SEQRES   8 B  146  LEU GLU THR LYS ASP ILE MSE GLN GLU GLN LEU ASP ALA          
SEQRES   9 B  146  TYR LYS ASN SER GLU GLU PRO ASP ALA ALA SER PHE GLU          
SEQRES  10 B  146  TYR ILE CYS ASN ALA LEU ARG GLN LEU ALA LEU GLU ALA          
SEQRES  11 B  146  LYS GLY GLU THR THR PRO ALA VAL ARG SER HIS HIS HIS          
SEQRES  12 B  146  HIS HIS HIS                                                  
SEQRES   1 C  146  MSE SER MSE ASP ILE SER ASP PHE TYR GLN THR PHE PHE          
SEQRES   2 C  146  ASP GLU ALA ASP GLU LEU LEU ALA ASP MSE GLU GLN HIS          
SEQRES   3 C  146  LEU LEU ASP LEU VAL PRO GLU SER PRO ASP ALA GLU GLN          
SEQRES   4 C  146  LEU ASN ALA ILE PHE ARG ALA ALA HIS SER ILE LYS GLY          
SEQRES   5 C  146  GLY ALA GLY THR PHE GLY PHE THR ILE LEU GLN GLU THR          
SEQRES   6 C  146  THR HIS LEU MSE GLU ASN LEU LEU ASP GLU ALA ARG ARG          
SEQRES   7 C  146  GLY GLU MSE GLN LEU ASN THR ASP ILE ILE ASN LEU PHE          
SEQRES   8 C  146  LEU GLU THR LYS ASP ILE MSE GLN GLU GLN LEU ASP ALA          
SEQRES   9 C  146  TYR LYS ASN SER GLU GLU PRO ASP ALA ALA SER PHE GLU          
SEQRES  10 C  146  TYR ILE CYS ASN ALA LEU ARG GLN LEU ALA LEU GLU ALA          
SEQRES  11 C  146  LYS GLY GLU THR THR PRO ALA VAL ARG SER HIS HIS HIS          
SEQRES  12 C  146  HIS HIS HIS                                                  
SEQRES   1 D  146  MSE SER MSE ASP ILE SER ASP PHE TYR GLN THR PHE PHE          
SEQRES   2 D  146  ASP GLU ALA ASP GLU LEU LEU ALA ASP MSE GLU GLN HIS          
SEQRES   3 D  146  LEU LEU ASP LEU VAL PRO GLU SER PRO ASP ALA GLU GLN          
SEQRES   4 D  146  LEU ASN ALA ILE PHE ARG ALA ALA HIS SER ILE LYS GLY          
SEQRES   5 D  146  GLY ALA GLY THR PHE GLY PHE THR ILE LEU GLN GLU THR          
SEQRES   6 D  146  THR HIS LEU MSE GLU ASN LEU LEU ASP GLU ALA ARG ARG          
SEQRES   7 D  146  GLY GLU MSE GLN LEU ASN THR ASP ILE ILE ASN LEU PHE          
SEQRES   8 D  146  LEU GLU THR LYS ASP ILE MSE GLN GLU GLN LEU ASP ALA          
SEQRES   9 D  146  TYR LYS ASN SER GLU GLU PRO ASP ALA ALA SER PHE GLU          
SEQRES  10 D  146  TYR ILE CYS ASN ALA LEU ARG GLN LEU ALA LEU GLU ALA          
SEQRES  11 D  146  LYS GLY GLU THR THR PRO ALA VAL ARG SER HIS HIS HIS          
SEQRES  12 D  146  HIS HIS HIS                                                  
MODRES 1I5N MSE A   23  MET  SELENOMETHIONINE                                   
MODRES 1I5N MSE A   69  MET  SELENOMETHIONINE                                   
MODRES 1I5N MSE A   81  MET  SELENOMETHIONINE                                   
MODRES 1I5N MSE A   98  MET  SELENOMETHIONINE                                   
MODRES 1I5N MSE B    3  MET  SELENOMETHIONINE                                   
MODRES 1I5N MSE B   23  MET  SELENOMETHIONINE                                   
MODRES 1I5N MSE B   69  MET  SELENOMETHIONINE                                   
MODRES 1I5N MSE B   81  MET  SELENOMETHIONINE                                   
MODRES 1I5N MSE B   98  MET  SELENOMETHIONINE                                   
MODRES 1I5N MSE C   23  MET  SELENOMETHIONINE                                   
MODRES 1I5N MSE C   69  MET  SELENOMETHIONINE                                   
MODRES 1I5N MSE C   81  MET  SELENOMETHIONINE                                   
MODRES 1I5N MSE C   98  MET  SELENOMETHIONINE                                   
MODRES 1I5N MSE D   23  MET  SELENOMETHIONINE                                   
MODRES 1I5N MSE D   69  MET  SELENOMETHIONINE                                   
MODRES 1I5N MSE D   81  MET  SELENOMETHIONINE                                   
MODRES 1I5N MSE D   98  MET  SELENOMETHIONINE                                   
HET    MSE  A  23       8                                                       
HET    MSE  A  69       8                                                       
HET    MSE  A  81       8                                                       
HET    MSE  A  98       8                                                       
HET    MSE  B   3       5                                                       
HET    MSE  B  23       8                                                       
HET    MSE  B  69       8                                                       
HET    MSE  B  81       8                                                       
HET    MSE  B  98       8                                                       
HET    MSE  C  23       8                                                       
HET    MSE  C  69       8                                                       
HET    MSE  C  81       8                                                       
HET    MSE  C  98       8                                                       
HET    MSE  D  23       8                                                       
HET    MSE  D  69       8                                                       
HET    MSE  D  81       8                                                       
HET    MSE  D  98       8                                                       
HET    SO4  A 147       5                                                       
HETNAM     MSE SELENOMETHIONINE                                                 
HETNAM     SO4 SULFATE ION                                                      
FORMUL   1  MSE    17(C5 H11 N O2 SE)                                           
FORMUL   5  SO4    O4 S 2-                                                      
FORMUL   6  HOH   *215(H2 O)                                                    
HELIX    1   1 ASP A    4  ASP A    7  5                                   4    
HELIX    2   2 PHE A    8  LEU A   30  1                                  23    
HELIX    3   3 ASP A   36  PHE A   57  1                                  22    
HELIX    4   4 PHE A   59  ARG A   78  1                                  20    
HELIX    5   5 ASN A   84  ASN A  107  1                                  24    
HELIX    6   6 ASP A  112  LYS A  131  1                                  20    
HELIX    7   7 ASP B    4  ASP B    7  5                                   4    
HELIX    8   8 PHE B    8  ASP B   29  1                                  22    
HELIX    9   9 ALA B   37  PHE B   57  1                                  21    
HELIX   10  10 PHE B   59  ARG B   78  1                                  20    
HELIX   11  11 ASN B   84  ASN B  107  1                                  24    
HELIX   12  12 ASP B  112  LYS B  131  1                                  20    
HELIX   13  13 ILE C    5  ASP C    7  5                                   3    
HELIX   14  14 PHE C    8  ASP C   29  1                                  22    
HELIX   15  15 ASP C   36  GLY C   58  1                                  23    
HELIX   16  16 PHE C   59  GLY C   79  1                                  21    
HELIX   17  17 ASN C   84  ASN C  107  1                                  24    
HELIX   18  18 ASP C  112  GLU C  129  1                                  18    
HELIX   19  19 ILE D    5  ASP D    7  5                                   3    
HELIX   20  20 PHE D    8  LEU D   30  1                                  23    
HELIX   21  21 ASP D   36  GLY D   58  1                                  23    
HELIX   22  22 PHE D   59  ARG D   78  1                                  20    
HELIX   23  23 ASN D   84  ASN D  107  1                                  24    
HELIX   24  24 ASP D  112  GLU D  133  1                                  22    
LINK         C   ASP A  22                 N   MSE A  23     1555   1555  1.33  
LINK         C   MSE A  23                 N   GLU A  24     1555   1555  1.33  
LINK         C   LEU A  68                 N   MSE A  69     1555   1555  1.33  
LINK         C   MSE A  69                 N   GLU A  70     1555   1555  1.33  
LINK         C   GLU A  80                 N   MSE A  81     1555   1555  1.33  
LINK         C   MSE A  81                 N   GLN A  82     1555   1555  1.32  
LINK         C   ILE A  97                 N   MSE A  98     1555   1555  1.33  
LINK         C   MSE A  98                 N   GLN A  99     1555   1555  1.33  
LINK         C   MSE B   3                 N   ASP B   4     1555   1555  1.33  
LINK         C   ASP B  22                 N   MSE B  23     1555   1555  1.33  
LINK         C   MSE B  23                 N   GLU B  24     1555   1555  1.33  
LINK         C   LEU B  68                 N   MSE B  69     1555   1555  1.33  
LINK         C   MSE B  69                 N   GLU B  70     1555   1555  1.33  
LINK         C   GLU B  80                 N   MSE B  81     1555   1555  1.33  
LINK         C   MSE B  81                 N   GLN B  82     1555   1555  1.32  
LINK         C   ILE B  97                 N   MSE B  98     1555   1555  1.33  
LINK         C   MSE B  98                 N   GLN B  99     1555   1555  1.33  
LINK         C   ASP C  22                 N   MSE C  23     1555   1555  1.33  
LINK         C   MSE C  23                 N   GLU C  24     1555   1555  1.33  
LINK         C   LEU C  68                 N   MSE C  69     1555   1555  1.33  
LINK         C   MSE C  69                 N   GLU C  70     1555   1555  1.33  
LINK         C   GLU C  80                 N   MSE C  81     1555   1555  1.33  
LINK         C   MSE C  81                 N   GLN C  82     1555   1555  1.33  
LINK         C   ILE C  97                 N   MSE C  98     1555   1555  1.33  
LINK         C   MSE C  98                 N   GLN C  99     1555   1555  1.33  
LINK         C   ASP D  22                 N   MSE D  23     1555   1555  1.33  
LINK         C   MSE D  23                 N   GLU D  24     1555   1555  1.33  
LINK         C   LEU D  68                 N   MSE D  69     1555   1555  1.33  
LINK         C   MSE D  69                 N   GLU D  70     1555   1555  1.33  
LINK         C   GLU D  80                 N   MSE D  81     1555   1555  1.33  
LINK         C   MSE D  81                 N   GLN D  82     1555   1555  1.33  
LINK         C   ILE D  97                 N   MSE D  98     1555   1555  1.33  
LINK         C   MSE D  98                 N   GLN D  99     1555   1555  1.33  
SITE     1 AC1  3 ARG A  45  ARG A  77  HOH A 201                               
CRYST1   54.950   88.720  115.820  90.00  90.00  90.00 P 21 21 21   16          
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      0.018198  0.000000  0.000000        0.00000                         
SCALE2      0.000000  0.011271  0.000000        0.00000                         
SCALE3      0.000000  0.000000  0.008634        0.00000