HEADER    LYASE                                   08-JAN-97   2TYS              
TITLE     CRYSTAL STRUCTURES OF MUTANT (BETAK87T) TRYPTOPHAN SYNTHASE ALPHA2    
TITLE    2 BETA2 COMPLEX WITH LIGANDS BOUND TO THE ACTIVE SITES OF THE ALPHA AND
TITLE    3 BETA SUBUNITS REVEAL LIGAND-INDUCED CONFORMATIONAL CHANGES           
COMPND    MOL_ID: 1;                                                            
COMPND   2 MOLECULE: TRYPTOPHAN SYNTHASE;                                       
COMPND   3 CHAIN: A;                                                            
COMPND   4 EC: 4.2.1.20;                                                        
COMPND   5 ENGINEERED: YES;                                                     
COMPND   6 MUTATION: YES;                                                       
COMPND   7 OTHER_DETAILS: L-TRYPTOPHAN BOUND TO THE BETA SUBUNIT IN A FORM OF   
COMPND   8 SCHIFF BASE WITH COENZYME PYRIDOXAL 5'-PHOSPHATE;                    
COMPND   9 MOL_ID: 2;                                                           
COMPND  10 MOLECULE: TRYPTOPHAN SYNTHASE;                                       
COMPND  11 CHAIN: B;                                                            
COMPND  12 EC: 4.2.1.20;                                                        
COMPND  13 ENGINEERED: YES;                                                     
COMPND  14 MUTATION: YES;                                                       
COMPND  15 OTHER_DETAILS: L-TRYPTOPHAN BOUND TO THE BETA SUBUNIT IN A FORM OF   
COMPND  16 SCHIFF BASE WITH COENZYME PYRIDOXAL 5'-PHOSPHATE                     
SOURCE    MOL_ID: 1;                                                            
SOURCE   2 ORGANISM_SCIENTIFIC: SALMONELLA TYPHIMURIUM;                         
SOURCE   3 ORGANISM_TAXID: 602;                                                 
SOURCE   4 CELL_LINE: CB149;                                                    
SOURCE   5 GENE: TRPA/TRPB;                                                     
SOURCE   6 EXPRESSION_SYSTEM: ESCHERICHIA COLI;                                 
SOURCE   7 EXPRESSION_SYSTEM_TAXID: 562;                                        
SOURCE   8 EXPRESSION_SYSTEM_CELL_LINE: CB149;                                  
SOURCE   9 EXPRESSION_SYSTEM_PLASMID: PSTB7;                                    
SOURCE  10 EXPRESSION_SYSTEM_GENE: TRPA/TRPB;                                   
SOURCE  11 MOL_ID: 2;                                                           
SOURCE  12 ORGANISM_SCIENTIFIC: SALMONELLA TYPHIMURIUM;                         
SOURCE  13 ORGANISM_TAXID: 602;                                                 
SOURCE  14 CELL_LINE: CB149;                                                    
SOURCE  15 GENE: TRPA/TRPB;                                                     
SOURCE  16 EXPRESSION_SYSTEM: ESCHERICHIA COLI;                                 
SOURCE  17 EXPRESSION_SYSTEM_TAXID: 562;                                        
SOURCE  18 EXPRESSION_SYSTEM_CELL_LINE: CB149;                                  
SOURCE  19 EXPRESSION_SYSTEM_PLASMID: PSTB7;                                    
SOURCE  20 EXPRESSION_SYSTEM_GENE: TRPA/TRPB                                    
KEYWDS    LYASE, CARBON-OXYGEN LYASE, TRYPTOPHAN BIOSYNTHESIS, PYRIDOXAL        
KEYWDS   2 PHOSPHATE                                                            
EXPDTA    X-RAY DIFFRACTION                                                     
AUTHOR    S.RHEE,K.D.PARRIS,C.C.HYDE,S.A.AHMED,E.W.MILES,D.R.DAVIES             
REVDAT   4   21-FEB-24 2TYS    1       REMARK                                   
REVDAT   3   03-NOV-21 2TYS    1       REMARK SEQADV LINK                       
REVDAT   2   24-FEB-09 2TYS    1       VERSN                                    
REVDAT   1   01-APR-97 2TYS    0                                                
JRNL        AUTH   S.RHEE,K.D.PARRIS,C.C.HYDE,S.A.AHMED,E.W.MILES,D.R.DAVIES    
JRNL        TITL   CRYSTAL STRUCTURES OF A MUTANT (BETAK87T) TRYPTOPHAN         
JRNL        TITL 2 SYNTHASE ALPHA2BETA2 COMPLEX WITH LIGANDS BOUND TO THE       
JRNL        TITL 3 ACTIVE SITES OF THE ALPHA- AND BETA-SUBUNITS REVEAL          
JRNL        TITL 4 LIGAND-INDUCED CONFORMATIONAL CHANGES.                       
JRNL        REF    BIOCHEMISTRY                  V.  36  7664 1997              
JRNL        REFN                   ISSN 0006-2960                               
JRNL        PMID   9201907                                                      
JRNL        DOI    10.1021/BI9700429                                            
REMARK   1                                                                      
REMARK   1 REFERENCE 1                                                          
REMARK   1  AUTH   Z.LU,S.NAGATA,P.MCPHIE,E.W.MILES                             
REMARK   1  TITL   LYSINE 87 IN THE BETA SUBUNIT OF TRYPTOPHAN SYNTHASE THAT    
REMARK   1  TITL 2 FORMS AN INTERNAL ALDIMINE WITH PYRIDOXAL PHOSPHATE SERVES   
REMARK   1  TITL 3 CRITICAL ROLES IN TRANSIMINATION, CATALYSIS, AND PRODUCT     
REMARK   1  TITL 4 RELEASE                                                      
REMARK   1  REF    J.BIOL.CHEM.                  V. 268  8727 1993              
REMARK   1  REFN                   ISSN 0021-9258                               
REMARK   2                                                                      
REMARK   2 RESOLUTION.    1.90 ANGSTROMS.                                       
REMARK   3                                                                      
REMARK   3 REFINEMENT.                                                          
REMARK   3   PROGRAM     : PROLSQ                                               
REMARK   3   AUTHORS     : KONNERT,HENDRICKSON                                  
REMARK   3                                                                      
REMARK   3  DATA USED IN REFINEMENT.                                            
REMARK   3   RESOLUTION RANGE HIGH (ANGSTROMS) : 1.90                           
REMARK   3   RESOLUTION RANGE LOW  (ANGSTROMS) : 8.00                           
REMARK   3   DATA CUTOFF            (SIGMA(F)) : 2.000                          
REMARK   3   COMPLETENESS FOR RANGE        (%) : 82.4                           
REMARK   3   NUMBER OF REFLECTIONS             : 49684                          
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 + TEST SET) : NULL                            
REMARK   3   R VALUE            (WORKING SET) : 0.171                           
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                                                                      
REMARK   3  FIT/AGREEMENT OF MODEL WITH ALL DATA.                               
REMARK   3   R VALUE   (WORKING + TEST SET, NO CUTOFF) : NULL                   
REMARK   3   R VALUE          (WORKING SET, NO CUTOFF) : NULL                   
REMARK   3   FREE R VALUE                  (NO CUTOFF) : NULL                   
REMARK   3   FREE R VALUE TEST SET SIZE (%, NO CUTOFF) : NULL                   
REMARK   3   FREE R VALUE TEST SET COUNT   (NO CUTOFF) : NULL                   
REMARK   3   TOTAL NUMBER OF REFLECTIONS   (NO CUTOFF) : NULL                   
REMARK   3                                                                      
REMARK   3  NUMBER OF NON-HYDROGEN ATOMS USED IN REFINEMENT.                    
REMARK   3   PROTEIN ATOMS            : 4925                                    
REMARK   3   NUCLEIC ACID ATOMS       : 0                                       
REMARK   3   HETEROGEN ATOMS          : 31                                      
REMARK   3   SOLVENT ATOMS            : 358                                     
REMARK   3                                                                      
REMARK   3  B VALUES.                                                           
REMARK   3   FROM WILSON PLOT           (A**2) : 22.50                          
REMARK   3   MEAN B VALUE      (OVERALL, A**2) : 29.50                          
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) : 0.25                            
REMARK   3   ESD FROM SIGMAA              (A) : NULL                            
REMARK   3   LOW RESOLUTION CUTOFF        (A) : 8.00                            
REMARK   3                                                                      
REMARK   3  RMS DEVIATIONS FROM IDEAL VALUES.                                   
REMARK   3   DISTANCE RESTRAINTS.                    RMS    SIGMA               
REMARK   3    BOND LENGTH                     (A) : 0.009 ; 0.009               
REMARK   3    ANGLE DISTANCE                  (A) : 0.018 ; 0.012               
REMARK   3    INTRAPLANAR 1-4 DISTANCE        (A) : 0.019 ; 0.015               
REMARK   3    H-BOND OR METAL COORDINATION    (A) : NULL  ; NULL                
REMARK   3                                                                      
REMARK   3   PLANE RESTRAINT                  (A) : 0.012 ; 0.010               
REMARK   3   CHIRAL-CENTER RESTRAINT       (A**3) : 0.088 ; 0.050               
REMARK   3                                                                      
REMARK   3   NON-BONDED CONTACT RESTRAINTS.                                     
REMARK   3    SINGLE TORSION                  (A) : 0.165 ; 0.200               
REMARK   3    MULTIPLE TORSION                (A) : 0.158 ; 0.200               
REMARK   3    H-BOND (X...Y)                  (A) : 0.167 ; 0.200               
REMARK   3    H-BOND (X-H...Y)                (A) : NULL  ; NULL                
REMARK   3                                                                      
REMARK   3   CONFORMATIONAL TORSION ANGLE RESTRAINTS.                           
REMARK   3    SPECIFIED                 (DEGREES) : 0.000 ; 15.000              
REMARK   3    PLANAR                    (DEGREES) : 2.400 ; 2.000               
REMARK   3    STAGGERED                 (DEGREES) : 18.300; 15.000              
REMARK   3    TRANSVERSE                (DEGREES) : 28.900; 20.000              
REMARK   3                                                                      
REMARK   3  ISOTROPIC THERMAL FACTOR RESTRAINTS.    RMS    SIGMA                
REMARK   3   MAIN-CHAIN BOND               (A**2) : 2.490 ; 2.000               
REMARK   3   MAIN-CHAIN ANGLE              (A**2) : 3.230 ; 3.000               
REMARK   3   SIDE-CHAIN BOND               (A**2) : 4.350 ; 3.000               
REMARK   3   SIDE-CHAIN ANGLE              (A**2) : 6.090 ; 5.000               
REMARK   3                                                                      
REMARK   3  OTHER REFINEMENT REMARKS: NULL                                      
REMARK   4                                                                      
REMARK   4 2TYS COMPLIES WITH FORMAT V. 3.30, 13-JUL-11                         
REMARK 100                                                                      
REMARK 100 THIS ENTRY HAS BEEN PROCESSED BY BNL.                                
REMARK 100 THE DEPOSITION ID IS D_1000178714.                                   
REMARK 200                                                                      
REMARK 200 EXPERIMENTAL DETAILS                                                 
REMARK 200  EXPERIMENT TYPE                : X-RAY DIFFRACTION                  
REMARK 200  DATE OF DATA COLLECTION        : DEC-92                             
REMARK 200  TEMPERATURE           (KELVIN) : 298                                
REMARK 200  PH                             : 7.8                                
REMARK 200  NUMBER OF CRYSTALS USED        : 2                                  
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 RUH2R                       
REMARK 200  MONOCHROMATIC OR LAUE    (M/L) : M                                  
REMARK 200  WAVELENGTH OR RANGE        (A) : 1.5418                             
REMARK 200  MONOCHROMATOR                  : NI FILTER                          
REMARK 200  OPTICS                         : NULL                               
REMARK 200                                                                      
REMARK 200  DETECTOR TYPE                  : IMAGE PLATE                        
REMARK 200  DETECTOR MANUFACTURER          : RIGAKU RAXIS IIC                   
REMARK 200  INTENSITY-INTEGRATION SOFTWARE : RIGAKU                             
REMARK 200  DATA SCALING SOFTWARE          : RIGAKU                             
REMARK 200                                                                      
REMARK 200  NUMBER OF UNIQUE REFLECTIONS   : 50490                              
REMARK 200  RESOLUTION RANGE HIGH      (A) : 1.900                              
REMARK 200  RESOLUTION RANGE LOW       (A) : NULL                               
REMARK 200  REJECTION CRITERIA  (SIGMA(I)) : 0.000                              
REMARK 200                                                                      
REMARK 200 OVERALL.                                                             
REMARK 200  COMPLETENESS FOR RANGE     (%) : 84.6                               
REMARK 200  DATA REDUNDANCY                : 2.200                              
REMARK 200  R MERGE                    (I) : 0.04400                            
REMARK 200  R SYM                      (I) : NULL                               
REMARK 200  <I/SIGMA(I)> FOR THE DATA SET  : 18.3000                            
REMARK 200                                                                      
REMARK 200 IN THE HIGHEST RESOLUTION SHELL.                                     
REMARK 200  HIGHEST RESOLUTION SHELL, RANGE HIGH (A) : 1.90                     
REMARK 200  HIGHEST RESOLUTION SHELL, RANGE LOW  (A) : 2.00                     
REMARK 200  COMPLETENESS FOR SHELL     (%) : 46.8                               
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         : 3.700                              
REMARK 200                                                                      
REMARK 200 DIFFRACTION PROTOCOL: NULL                                           
REMARK 200 METHOD USED TO DETERMINE THE STRUCTURE: ISOMORPHOUS WITH PDB ENTRY   
REMARK 200  1WSY.                                                               
REMARK 200 SOFTWARE USED: X-PLOR                                                
REMARK 200 STARTING MODEL: NULL                                                 
REMARK 200                                                                      
REMARK 200 REMARK: NULL                                                         
REMARK 280                                                                      
REMARK 280 CRYSTAL                                                              
REMARK 280 SOLVENT CONTENT, VS   (%): 48.00                                     
REMARK 280 MATTHEWS COEFFICIENT, VM (ANGSTROMS**3/DA): 2.40                     
REMARK 280                                                                      
REMARK 280 CRYSTALLIZATION CONDITIONS: 50MM NABICINE (PH 7.8), 1MM NA-EDTA,     
REMARK 280  0.8-1.5MM SPERMINE, 12% PEG8000                                     
REMARK 290                                                                      
REMARK 290 CRYSTALLOGRAPHIC SYMMETRY                                            
REMARK 290 SYMMETRY OPERATORS FOR SPACE GROUP: C 1 2 1                          
REMARK 290                                                                      
REMARK 290      SYMOP   SYMMETRY                                                
REMARK 290     NNNMMM   OPERATOR                                                
REMARK 290       1555   X,Y,Z                                                   
REMARK 290       2555   -X,Y,-Z                                                 
REMARK 290       3555   X+1/2,Y+1/2,Z                                           
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        0.00000            
REMARK 290   SMTRY2   2  0.000000  1.000000  0.000000        0.00000            
REMARK 290   SMTRY3   2  0.000000  0.000000 -1.000000        0.00000            
REMARK 290   SMTRY1   3  1.000000  0.000000  0.000000       92.90000            
REMARK 290   SMTRY2   3  0.000000  1.000000  0.000000       31.15000            
REMARK 290   SMTRY3   3  0.000000  0.000000  1.000000        0.00000            
REMARK 290   SMTRY1   4 -1.000000  0.000000  0.000000       92.90000            
REMARK 290   SMTRY2   4  0.000000  1.000000  0.000000       31.15000            
REMARK 290   SMTRY3   4  0.000000  0.000000 -1.000000        0.00000            
REMARK 290                                                                      
REMARK 290 REMARK: NULL                                                         
REMARK 300                                                                      
REMARK 300 BIOMOLECULE: 1                                                       
REMARK 300 SEE REMARK 350 FOR THE AUTHOR PROVIDED AND/OR PROGRAM                
REMARK 300 GENERATED ASSEMBLY INFORMATION FOR THE STRUCTURE IN                  
REMARK 300 THIS ENTRY. THE REMARK MAY ALSO PROVIDE INFORMATION ON               
REMARK 300 BURIED SURFACE AREA.                                                 
REMARK 350                                                                      
REMARK 350 COORDINATES FOR A COMPLETE MULTIMER REPRESENTING THE KNOWN           
REMARK 350 BIOLOGICALLY SIGNIFICANT OLIGOMERIZATION STATE OF THE                
REMARK 350 MOLECULE CAN BE GENERATED BY APPLYING BIOMT TRANSFORMATIONS          
REMARK 350 GIVEN BELOW.  BOTH NON-CRYSTALLOGRAPHIC AND                          
REMARK 350 CRYSTALLOGRAPHIC OPERATIONS ARE GIVEN.                               
REMARK 350                                                                      
REMARK 350 BIOMOLECULE: 1                                                       
REMARK 350 AUTHOR DETERMINED BIOLOGICAL UNIT: TETRAMERIC                        
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 -1.000000  0.000000  0.000000      185.80000            
REMARK 350   BIOMT2   2  0.000000  1.000000  0.000000        0.00000            
REMARK 350   BIOMT3   2  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     ARG A   179                                                      
REMARK 465     SER A   180                                                      
REMARK 465     GLY A   181                                                      
REMARK 465     VAL A   182                                                      
REMARK 465     THR A   183                                                      
REMARK 465     GLY A   184                                                      
REMARK 465     ALA A   185                                                      
REMARK 465     GLU A   186                                                      
REMARK 465     ASN A   187                                                      
REMARK 465     ARG A   188                                                      
REMARK 465     GLY A   189                                                      
REMARK 465     ALA A   190                                                      
REMARK 465     LEU A   191                                                      
REMARK 465     MET B     1                                                      
REMARK 465     THR B     2                                                      
REMARK 500                                                                      
REMARK 500 GEOMETRY AND STEREOCHEMISTRY                                         
REMARK 500 SUBTOPIC: COVALENT BOND ANGLES                                       
REMARK 500                                                                      
REMARK 500 THE STEREOCHEMICAL PARAMETERS OF THE FOLLOWING RESIDUES              
REMARK 500 HAVE VALUES WHICH DEVIATE FROM EXPECTED VALUES BY MORE               
REMARK 500 THAN 6*RMSD (M=MODEL NUMBER; RES=RESIDUE NAME; C=CHAIN               
REMARK 500 IDENTIFIER; SSEQ=SEQUENCE NUMBER; I=INSERTION CODE).                 
REMARK 500                                                                      
REMARK 500 STANDARD TABLE:                                                      
REMARK 500 FORMAT: (10X,I3,1X,A3,1X,A1,I4,A1,3(1X,A4,2X),12X,F5.1)              
REMARK 500                                                                      
REMARK 500 EXPECTED VALUES PROTEIN: ENGH AND HUBER, 1999                        
REMARK 500 EXPECTED VALUES NUCLEIC ACID: CLOWNEY ET AL 1996                     
REMARK 500                                                                      
REMARK 500  M RES CSSEQI ATM1   ATM2   ATM3                                     
REMARK 500    ARG A 145   NE  -  CZ  -  NH1 ANGL. DEV. =   4.0 DEGREES          
REMARK 500    ARG A 145   NE  -  CZ  -  NH2 ANGL. DEV. =  -3.8 DEGREES          
REMARK 500    ARG B 148   NE  -  CZ  -  NH1 ANGL. DEV. =   5.0 DEGREES          
REMARK 500    ARG B 148   NE  -  CZ  -  NH2 ANGL. DEV. =  -3.0 DEGREES          
REMARK 500    ARG B 222   NE  -  CZ  -  NH1 ANGL. DEV. =   3.5 DEGREES          
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    LEU A 177       51.60   -119.74                                   
REMARK 500    ILE A 214       92.74    -63.94                                   
REMARK 500    SER A 235      -10.86   -154.91                                   
REMARK 500    ALA B 269       67.43   -119.04                                   
REMARK 500    ALA B 393       -8.54    -59.22                                   
REMARK 500                                                                      
REMARK 500 REMARK: NULL                                                         
REMARK 620                                                                      
REMARK 620 METAL COORDINATION                                                   
REMARK 620 (M=MODEL NUMBER; RES=RESIDUE NAME; C=CHAIN IDENTIFIER;               
REMARK 620 SSEQ=SEQUENCE NUMBER; I=INSERTION CODE):                             
REMARK 620                                                                      
REMARK 620 COORDINATION ANGLES FOR:  M RES CSSEQI METAL                         
REMARK 620                              NA B 400  NA                            
REMARK 620 N RES CSSEQI ATOM                                                    
REMARK 620 1 GLY B 232   O                                                      
REMARK 620 2 PHE B 306   O   117.2                                              
REMARK 620 3 SER B 308   O    86.7  85.4                                        
REMARK 620 4 HOH B 401   O   102.4  86.0 169.6                                  
REMARK 620 5 HOH B 402   O    95.3 147.3 100.6  83.7                            
REMARK 620 N                    1     2     3     4                             
REMARK 800                                                                      
REMARK 800 SITE                                                                 
REMARK 800 SITE_IDENTIFIER: S1                                                  
REMARK 800 EVIDENCE_CODE: UNKNOWN                                               
REMARK 800 SITE_DESCRIPTION: REACTION INTERMEDIATE BOUND TO THE BETA ACTIVE     
REMARK 800  SITE.                                                               
REMARK 800                                                                      
REMARK 800 SITE_IDENTIFIER: AC1                                                 
REMARK 800 EVIDENCE_CODE: SOFTWARE                                              
REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE NA B 400                  
REMARK 800                                                                      
REMARK 800 SITE_IDENTIFIER: AC2                                                 
REMARK 800 EVIDENCE_CODE: SOFTWARE                                              
REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE PLT B 399                 
DBREF  2TYS A    1   268  UNP    P00929   TRPA_SALTY       1    268             
DBREF  2TYS B    2   397  UNP    P0A2K1   TRPB_SALTY       1    396             
SEQADV 2TYS THR B   87  UNP  P0A2K1    LYS    86 ENGINEERED MUTATION            
SEQRES   1 A  268  MET GLU ARG TYR GLU ASN LEU PHE ALA GLN LEU ASN ASP          
SEQRES   2 A  268  ARG ARG GLU GLY ALA PHE VAL PRO PHE VAL THR LEU GLY          
SEQRES   3 A  268  ASP PRO GLY ILE GLU GLN SER LEU LYS ILE ILE ASP THR          
SEQRES   4 A  268  LEU ILE ASP ALA GLY ALA ASP ALA LEU GLU LEU GLY VAL          
SEQRES   5 A  268  PRO PHE SER ASP PRO LEU ALA ASP GLY PRO THR ILE GLN          
SEQRES   6 A  268  ASN ALA ASN LEU ARG ALA PHE ALA ALA GLY VAL THR PRO          
SEQRES   7 A  268  ALA GLN CYS PHE GLU MET LEU ALA LEU ILE ARG GLU LYS          
SEQRES   8 A  268  HIS PRO THR ILE PRO ILE GLY LEU LEU MET TYR ALA ASN          
SEQRES   9 A  268  LEU VAL PHE ASN ASN GLY ILE ASP ALA PHE TYR ALA ARG          
SEQRES  10 A  268  CYS GLU GLN VAL GLY VAL ASP SER VAL LEU VAL ALA ASP          
SEQRES  11 A  268  VAL PRO VAL GLU GLU SER ALA PRO PHE ARG GLN ALA ALA          
SEQRES  12 A  268  LEU ARG HIS ASN ILE ALA PRO ILE PHE ILE CYS PRO PRO          
SEQRES  13 A  268  ASN ALA ASP ASP ASP LEU LEU ARG GLN VAL ALA SER TYR          
SEQRES  14 A  268  GLY ARG GLY TYR THR TYR LEU LEU SER ARG SER GLY VAL          
SEQRES  15 A  268  THR GLY ALA GLU ASN ARG GLY ALA LEU PRO LEU HIS HIS          
SEQRES  16 A  268  LEU ILE GLU LYS LEU LYS GLU TYR HIS ALA ALA PRO ALA          
SEQRES  17 A  268  LEU GLN GLY PHE GLY ILE SER SER PRO GLU GLN VAL SER          
SEQRES  18 A  268  ALA ALA VAL ARG ALA GLY ALA ALA GLY ALA ILE SER GLY          
SEQRES  19 A  268  SER ALA ILE VAL LYS ILE ILE GLU LYS ASN LEU ALA SER          
SEQRES  20 A  268  PRO LYS GLN MET LEU ALA GLU LEU ARG SER PHE VAL SER          
SEQRES  21 A  268  ALA MET LYS ALA ALA SER ARG ALA                              
SEQRES   1 B  397  MET THR THR LEU LEU ASN PRO TYR PHE GLY GLU PHE GLY          
SEQRES   2 B  397  GLY MET TYR VAL PRO GLN ILE LEU MET PRO ALA LEU ASN          
SEQRES   3 B  397  GLN LEU GLU GLU ALA PHE VAL ARG ALA GLN LYS ASP PRO          
SEQRES   4 B  397  GLU PHE GLN ALA GLN PHE ALA ASP LEU LEU LYS ASN TYR          
SEQRES   5 B  397  ALA GLY ARG PRO THR ALA LEU THR LYS CYS GLN ASN ILE          
SEQRES   6 B  397  THR ALA GLY THR ARG THR THR LEU TYR LEU LYS ARG GLU          
SEQRES   7 B  397  ASP LEU LEU HIS GLY GLY ALA HIS THR THR ASN GLN VAL          
SEQRES   8 B  397  LEU GLY GLN ALA LEU LEU ALA LYS ARG MET GLY LYS SER          
SEQRES   9 B  397  GLU ILE ILE ALA GLU THR GLY ALA GLY GLN HIS GLY VAL          
SEQRES  10 B  397  ALA SER ALA LEU ALA SER ALA LEU LEU GLY LEU LYS CYS          
SEQRES  11 B  397  ARG ILE TYR MET GLY ALA LYS ASP VAL GLU ARG GLN SER          
SEQRES  12 B  397  PRO ASN VAL PHE ARG MET ARG LEU MET GLY ALA GLU VAL          
SEQRES  13 B  397  ILE PRO VAL HIS SER GLY SER ALA THR LEU LYS ASP ALA          
SEQRES  14 B  397  CYS ASN GLU ALA LEU ARG ASP TRP SER GLY SER TYR GLU          
SEQRES  15 B  397  THR ALA HIS TYR MET LEU GLY THR ALA ALA GLY PRO HIS          
SEQRES  16 B  397  PRO TYR PRO THR ILE VAL ARG GLU PHE GLN ARG MET ILE          
SEQRES  17 B  397  GLY GLU GLU THR LYS ALA GLN ILE LEU ASP LYS GLU GLY          
SEQRES  18 B  397  ARG LEU PRO ASP ALA VAL ILE ALA CYS VAL GLY GLY GLY          
SEQRES  19 B  397  SER ASN ALA ILE GLY MET PHE ALA ASP PHE ILE ASN ASP          
SEQRES  20 B  397  THR SER VAL GLY LEU ILE GLY VAL GLU PRO GLY GLY HIS          
SEQRES  21 B  397  GLY ILE GLU THR GLY GLU HIS GLY ALA PRO LEU LYS HIS          
SEQRES  22 B  397  GLY ARG VAL GLY ILE TYR PHE GLY MET LYS ALA PRO MET          
SEQRES  23 B  397  MET GLN THR ALA ASP GLY GLN ILE GLU GLU SER TYR SER          
SEQRES  24 B  397  ILE SER ALA GLY LEU ASP PHE PRO SER VAL GLY PRO GLN          
SEQRES  25 B  397  HIS ALA TYR LEU ASN SER ILE GLY ARG ALA ASP TYR VAL          
SEQRES  26 B  397  SER ILE THR ASP ASP GLU ALA LEU GLU ALA PHE LYS THR          
SEQRES  27 B  397  LEU CYS ARG HIS GLU GLY ILE ILE PRO ALA LEU GLU SER          
SEQRES  28 B  397  SER HIS ALA LEU ALA HIS ALA LEU LYS MET MET ARG GLU          
SEQRES  29 B  397  GLN PRO GLU LYS GLU GLN LEU LEU VAL VAL ASN LEU SER          
SEQRES  30 B  397  GLY ARG GLY ASP LYS ASP ILE PHE THR VAL HIS ASP ILE          
SEQRES  31 B  397  LEU LYS ALA ARG GLY GLU ILE                                  
HET     NA  B 400       1                                                       
HET    PLT  B 399      30                                                       
HETNAM      NA SODIUM ION                                                       
HETNAM     PLT [3-HYDROXY-2-METHYL-5-PHOSPHONOOXYMETHYL-PYRIDIN-4-              
HETNAM   2 PLT  YLMETHYL]-L-TRYPTOPHANE                                         
FORMUL   3   NA    NA 1+                                                        
FORMUL   4  PLT    C19 H20 N3 O7 P                                              
FORMUL   5  HOH   *358(H2 O)                                                    
HELIX    1   1 GLU A    2  ARG A   14  1                                  13    
HELIX    2   2 ILE A   30  ALA A   43  1                                  14    
HELIX    3   3 PRO A   62  ALA A   73  1                                  12    
HELIX    4   4 PRO A   78  LYS A   91  1                                  14    
HELIX    5   5 ALA A  103  PHE A  107  1                                   5    
HELIX    6   6 ILE A  111  VAL A  121  1                                  11    
HELIX    7   7 VAL A  133  GLU A  135  5                                   3    
HELIX    8   8 ALA A  137  HIS A  146  1                                  10    
HELIX    9   9 ASP A  160  TYR A  169  1                                  10    
HELIX   10  10 LEU A  193  TYR A  203  1                                  11    
HELIX   11  11 PRO A  217  ALA A  226  1                                  10    
HELIX   12  12 ALA A  236  ASN A  244  1                                   9    
HELIX   13  13 PRO A  248  SER A  266  1                                  19    
HELIX   14  14 GLN B   19  LYS B   37  5                                  19    
HELIX   15  15 PRO B   39  ASN B   51  1                                  13    
HELIX   16  16 GLU B   78  LEU B   80  5                                   3    
HELIX   17  17 HIS B   86  ARG B  100  5                                  15    
HELIX   18  18 GLN B  114  LEU B  126  1                                  13    
HELIX   19  19 ALA B  136  ARG B  141  1                                   6    
HELIX   20  20 SER B  143  LEU B  151  1                                   9    
HELIX   21  21 LEU B  166  SER B  180  1                                  15    
HELIX   22  22 TYR B  197  GLU B  203  1                                   7    
HELIX   23  23 MET B  207  GLU B  220  1                                  14    
HELIX   24  24 SER B  235  PHE B  244  1                                  10    
HELIX   25  25 ILE B  262  THR B  264  5                                   3    
HELIX   26  26 PRO B  270  HIS B  273  1                                   4    
HELIX   27  27 ALA B  302  LEU B  304  5                                   3    
HELIX   28  28 PRO B  311  SER B  318  1                                   8    
HELIX   29  29 ASP B  329  GLU B  343  1                                  15    
HELIX   30  30 LEU B  349  GLU B  364  1                                  16    
HELIX   31  31 ASP B  381  LYS B  392  5                                  12    
SHEET    1   A 6 GLY A 230  SER A 233  0                                        
SHEET    2   A 6 ALA A  18  THR A  24  1  N  ALA A  18   O  ALA A 231           
SHEET    3   A 6 ALA A  47  GLY A  51  1  N  ALA A  47   O  PRO A  21           
SHEET    4   A 6 PRO A  96  MET A 101  1  N  PRO A  96   O  LEU A  48           
SHEET    5   A 6 SER A 125  VAL A 128  1  N  SER A 125   O  LEU A  99           
SHEET    6   A 6 ALA A 149  ILE A 151  1  N  ALA A 149   O  VAL A 126           
SHEET    1   B 3 PHE A 152  CYS A 154  0                                        
SHEET    2   B 3 THR A 174  LEU A 176  1  N  TYR A 175   O  PHE A 152           
SHEET    3   B 3 ALA A 208  GLN A 210  1  N  LEU A 209   O  THR A 174           
SHEET    1   C 6 LEU B  59  LYS B  61  0                                        
SHEET    2   C 6 THR B  71  ARG B  77 -1  N  LEU B  75   O  THR B  60           
SHEET    3   C 6 GLN B 370  LEU B 376  1  N  GLN B 370   O  THR B  72           
SHEET    4   C 6 ALA B 226  CYS B 230  1  N  ALA B 226   O  VAL B 373           
SHEET    5   C 6 GLY B 251  GLY B 259  1  N  GLY B 251   O  VAL B 227           
SHEET    6   C 6 ASP B 323  THR B 328  1  N  ASP B 323   O  GLY B 254           
SHEET    1   D 4 ALA B 184  TYR B 186  0                                        
SHEET    2   D 4 GLU B 105  THR B 110  1  N  GLU B 105   O  HIS B 185           
SHEET    3   D 4 LYS B 129  GLY B 135  1  N  LYS B 129   O  ILE B 106           
SHEET    4   D 4 GLU B 155  VAL B 159  1  N  GLU B 155   O  ILE B 132           
SHEET    1   E 2 ARG B 275  TYR B 279  0                                        
SHEET    2   E 2 MET B 282  MET B 286 -1  N  MET B 286   O  ARG B 275           
LINK         O   GLY B 232                NA    NA B 400     1555   1555  2.40  
LINK         O   PHE B 306                NA    NA B 400     1555   1555  2.44  
LINK         O   SER B 308                NA    NA B 400     1555   1555  2.32  
LINK        NA    NA B 400                 O   HOH B 401     1555   1555  2.32  
LINK        NA    NA B 400                 O   HOH B 402     1555   1555  2.40  
CISPEP   1 ASP A   27    PRO A   28          0         1.56                     
CISPEP   2 ARG B   55    PRO B   56          0        -0.31                     
CISPEP   3 HIS B  195    PRO B  196          0         6.86                     
SITE     1  S1  1 PLT B 399                                                     
SITE     1 AC1  5 GLY B 232  PHE B 306  SER B 308  HOH B 401                    
SITE     2 AC1  5 HOH B 402                                                     
SITE     1 AC2 24 HIS B  86  GLU B 109  THR B 110  GLY B 111                    
SITE     2 AC2 24 ALA B 112  GLY B 113  GLN B 114  HIS B 115                    
SITE     3 AC2 24 LEU B 166  CYS B 170  GLY B 189  THR B 190                    
SITE     4 AC2 24 CYS B 230  GLY B 232  GLY B 233  GLY B 234                    
SITE     5 AC2 24 SER B 235  ASN B 236  GLY B 303  PHE B 306                    
SITE     6 AC2 24 GLU B 350  SER B 377  HOH B 427  HOH B 561                    
CRYST1  185.800   62.300   67.800  90.00  94.10  90.00 C 1 2 1       4          
ORIGX1      1.000000  0.000000  0.000000        0.00000                         
ORIGX2      0.000000  1.000000  0.000000        0.00000                         
ORIGX3      0.000000  0.000000  1.000000        0.00000                         
SCALE1      0.005382  0.000000  0.000386        0.00000                         
SCALE2      0.000000  0.016051  0.000000        0.00000                         
SCALE3      0.000000  0.000000  0.014787        0.00000