HEADER    LYASE                                   27-APR-06   2CLK              
TITLE     TRYPTOPHAN SYNTHASE IN COMPLEX WITH D-GLYCERALDEHYDE 3-               
TITLE    2 PHOSPHATE (G3P)                                                      
COMPND    MOL_ID: 1;                                                            
COMPND   2 MOLECULE: TRYPTOPHAN SYNTHASE ALPHA CHAIN;                           
COMPND   3 CHAIN: A;                                                            
COMPND   4 EC: 4.2.1.20;                                                        
COMPND   5 ENGINEERED: YES;                                                     
COMPND   6 MOL_ID: 2;                                                           
COMPND   7 MOLECULE: TRYPTOPHAN SYNTHASE BETA CHAIN;                            
COMPND   8 CHAIN: B;                                                            
COMPND   9 EC: 4.2.1.20;                                                        
COMPND  10 ENGINEERED: YES;                                                     
COMPND  11 OTHER_DETAILS: INTERNAL ALDIMINE FORMED BETWEEN B-K87 AND            
COMPND  12  C4 OF PYRIDOXAL-5'-PHOSPHATE                                        
SOURCE    MOL_ID: 1;                                                            
SOURCE   2 ORGANISM_SCIENTIFIC: SALMONELLA TYPHIMURIUM;                         
SOURCE   3 ORGANISM_TAXID: 602;                                                 
SOURCE   4 EXPRESSION_SYSTEM: ESCHERICHIA COLI;                                 
SOURCE   5 EXPRESSION_SYSTEM_TAXID: 562;                                        
SOURCE   6 EXPRESSION_SYSTEM_STRAIN: CB149;                                     
SOURCE   7 EXPRESSION_SYSTEM_PLASMID: PSTB7;                                    
SOURCE   8 MOL_ID: 2;                                                           
SOURCE   9 ORGANISM_SCIENTIFIC: SALMONELLA TYPHIMURIUM;                         
SOURCE  10 ORGANISM_TAXID: 602;                                                 
SOURCE  11 EXPRESSION_SYSTEM: ESCHERICHIA COLI;                                 
SOURCE  12 EXPRESSION_SYSTEM_TAXID: 562;                                        
SOURCE  13 EXPRESSION_SYSTEM_STRAIN: CB149;                                     
SOURCE  14 EXPRESSION_SYSTEM_PLASMID: PSTB7                                     
KEYWDS    AROMATIC AMINO ACID BIOSYNTHESIS, TRYPTOPHAN BIOSYNTHESIS,            
KEYWDS   2 CRBON- OXYGEN LYASE, AMINO-ACID BIOSYNTHESIS, LYASE,                 
KEYWDS   3 ALLOSTERIC ENZYME, PYRIDOXAL PHOSPHATE                               
EXPDTA    X-RAY DIFFRACTION                                                     
AUTHOR    H.NGO,R.HARRIS,N.KIMMICH,P.CASINO,D.NIKS,L.BLUMENSTEIN,               
AUTHOR   2 T.R.BARENDS,V.KULIK,M.WEYAND,I.SCHLICHTING,M.F.DUNN                  
REVDAT   4   24-FEB-09 2CLK    1       VERSN                                    
REVDAT   3   03-JUL-07 2CLK    1       JRNL                                     
REVDAT   2   26-JUN-07 2CLK    1       REMARK                                   
REVDAT   1   12-JUN-07 2CLK    0                                                
JRNL        AUTH   H.NGO,R.HARRIS,N.KIMMICH,P.CASINO,D.NIKS,                    
JRNL        AUTH 2 L.BLUMENSTEIN,T.R.BARENDS,V.KULIK,M.WEYAND,                  
JRNL        AUTH 3 I.SCHLICHTING,M.F.DUNN                                       
JRNL        TITL   SYNTHESIS AND CHARACTERIZATION OF ALLOSTERIC                 
JRNL        TITL 2 PROBES OF SUBSTRATE CHANNELING IN THE TRYPTOPHAN             
JRNL        TITL 3 SYNTHASE BIENZYME COMPLEX.                                   
JRNL        REF    BIOCHEMISTRY                  V.  46  7713 2007              
JRNL        REFN                   ISSN 0006-2960                               
JRNL        PMID   17559195                                                     
JRNL        DOI    10.1021/BI700385F                                            
REMARK   2                                                                      
REMARK   2 RESOLUTION.    1.5  ANGSTROMS.                                       
REMARK   3                                                                      
REMARK   3 REFINEMENT.                                                          
REMARK   3   PROGRAM     : REFMAC 5.0                                           
REMARK   3   AUTHORS     : MURSHUDOV,VAGIN,DODSON                               
REMARK   3                                                                      
REMARK   3    REFINEMENT TARGET : MAXIMUM LIKELIHOOD                            
REMARK   3                                                                      
REMARK   3  DATA USED IN REFINEMENT.                                            
REMARK   3   RESOLUTION RANGE HIGH (ANGSTROMS) : 1.50                           
REMARK   3   RESOLUTION RANGE LOW  (ANGSTROMS) : 20.00                          
REMARK   3   DATA CUTOFF            (SIGMA(F)) : NULL                           
REMARK   3   COMPLETENESS FOR RANGE        (%) : 93.8                           
REMARK   3   NUMBER OF REFLECTIONS             : 102542                         
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 + TEST SET) : 0.180                           
REMARK   3   R VALUE            (WORKING SET) : 0.179                           
REMARK   3   FREE R VALUE                     : 0.202                           
REMARK   3   FREE R VALUE TEST SET SIZE   (%) : 5.000                           
REMARK   3   FREE R VALUE TEST SET COUNT      : 5391                            
REMARK   3                                                                      
REMARK   3  FIT IN THE HIGHEST RESOLUTION BIN.                                  
REMARK   3   TOTAL NUMBER OF BINS USED           : 20                           
REMARK   3   BIN RESOLUTION RANGE HIGH       (A) : 1.50                         
REMARK   3   BIN RESOLUTION RANGE LOW        (A) : 1.54                         
REMARK   3   REFLECTION IN BIN     (WORKING SET) : 6612                         
REMARK   3   BIN COMPLETENESS (WORKING+TEST) (%) : NULL                         
REMARK   3   BIN R VALUE           (WORKING SET) : 0.2590                       
REMARK   3   BIN FREE R VALUE SET COUNT          : 322                          
REMARK   3   BIN FREE R VALUE                    : 0.2750                       
REMARK   3                                                                      
REMARK   3  NUMBER OF NON-HYDROGEN ATOMS USED IN REFINEMENT.                    
REMARK   3   PROTEIN ATOMS            : 5010                                    
REMARK   3   NUCLEIC ACID ATOMS       : 0                                       
REMARK   3   HETEROGEN ATOMS          : 26                                      
REMARK   3   SOLVENT ATOMS            : 533                                     
REMARK   3                                                                      
REMARK   3  B VALUES.                                                           
REMARK   3   FROM WILSON PLOT           (A**2) : NULL                           
REMARK   3   MEAN B VALUE      (OVERALL, A**2) : 16.21                          
REMARK   3   OVERALL ANISOTROPIC B VALUE.                                       
REMARK   3    B11 (A**2) : -0.88000                                             
REMARK   3    B22 (A**2) : 1.20000                                              
REMARK   3    B33 (A**2) : -0.36000                                             
REMARK   3    B12 (A**2) : 0.00000                                              
REMARK   3    B13 (A**2) : -0.28000                                             
REMARK   3    B23 (A**2) : 0.00000                                              
REMARK   3                                                                      
REMARK   3  ESTIMATED OVERALL COORDINATE ERROR.                                 
REMARK   3   ESU BASED ON R VALUE                            (A): 0.073         
REMARK   3   ESU BASED ON FREE R VALUE                       (A): 0.073         
REMARK   3   ESU BASED ON MAXIMUM LIKELIHOOD                 (A): 0.054         
REMARK   3   ESU FOR B VALUES BASED ON MAXIMUM LIKELIHOOD (A**2): 1.476         
REMARK   3                                                                      
REMARK   3 CORRELATION COEFFICIENTS.                                            
REMARK   3   CORRELATION COEFFICIENT FO-FC      : 0.958                         
REMARK   3   CORRELATION COEFFICIENT FO-FC FREE : 0.947                         
REMARK   3                                                                      
REMARK   3  RMS DEVIATIONS FROM IDEAL VALUES        COUNT    RMS    WEIGHT      
REMARK   3   BOND LENGTHS REFINED ATOMS        (A):  5134 ; 0.023 ; 0.021       
REMARK   3   BOND LENGTHS OTHERS               (A):  NULL ;  NULL ;  NULL       
REMARK   3   BOND ANGLES REFINED ATOMS   (DEGREES):  6953 ; 2.101 ; 1.969       
REMARK   3   BOND ANGLES OTHERS          (DEGREES):  NULL ;  NULL ;  NULL       
REMARK   3   TORSION ANGLES, PERIOD 1    (DEGREES):   655 ; 4.957 ; 3.000       
REMARK   3   TORSION ANGLES, PERIOD 2    (DEGREES):  NULL ;  NULL ;  NULL       
REMARK   3   TORSION ANGLES, PERIOD 3    (DEGREES):   918 ;17.463 ;15.000       
REMARK   3   TORSION ANGLES, PERIOD 4    (DEGREES):  NULL ;  NULL ;  NULL       
REMARK   3   CHIRAL-CENTER RESTRAINTS       (A**3):   776 ; 0.148 ; 0.200       
REMARK   3   GENERAL PLANES REFINED ATOMS      (A):  3889 ; 0.007 ; 0.020       
REMARK   3   GENERAL PLANES OTHERS             (A):  NULL ;  NULL ;  NULL       
REMARK   3   NON-BONDED CONTACTS REFINED ATOMS (A):  2533 ; 0.227 ; 0.300       
REMARK   3   NON-BONDED CONTACTS OTHERS        (A):  NULL ;  NULL ;  NULL       
REMARK   3   NON-BONDED TORSION REFINED ATOMS  (A):  NULL ;  NULL ;  NULL       
REMARK   3   NON-BONDED TORSION OTHERS         (A):  NULL ;  NULL ;  NULL       
REMARK   3   H-BOND (X...Y) REFINED ATOMS      (A):   559 ; 0.131 ; 0.500       
REMARK   3   H-BOND (X...Y) OTHERS             (A):  NULL ;  NULL ;  NULL       
REMARK   3   POTENTIAL METAL-ION REFINED ATOMS (A):  NULL ;  NULL ;  NULL       
REMARK   3   POTENTIAL METAL-ION OTHERS        (A):  NULL ;  NULL ;  NULL       
REMARK   3   SYMMETRY VDW REFINED ATOMS        (A):    53 ; 0.167 ; 0.300       
REMARK   3   SYMMETRY VDW OTHERS               (A):  NULL ;  NULL ;  NULL       
REMARK   3   SYMMETRY H-BOND REFINED ATOMS     (A):    21 ; 0.231 ; 0.500       
REMARK   3   SYMMETRY H-BOND OTHERS            (A):  NULL ;  NULL ;  NULL       
REMARK   3   SYMMETRY METAL-ION REFINED ATOMS  (A):  NULL ;  NULL ;  NULL       
REMARK   3   SYMMETRY METAL-ION OTHERS         (A):  NULL ;  NULL ;  NULL       
REMARK   3                                                                      
REMARK   3  ISOTROPIC THERMAL FACTOR RESTRAINTS.     COUNT   RMS    WEIGHT      
REMARK   3   MAIN-CHAIN BOND REFINED ATOMS  (A**2):  3265 ; 1.222 ; 1.500       
REMARK   3   MAIN-CHAIN BOND OTHER ATOMS    (A**2):  NULL ;  NULL ;  NULL       
REMARK   3   MAIN-CHAIN ANGLE REFINED ATOMS (A**2):  5223 ; 1.926 ; 2.000       
REMARK   3   SIDE-CHAIN BOND REFINED ATOMS  (A**2):  1869 ; 2.891 ; 3.000       
REMARK   3   SIDE-CHAIN ANGLE REFINED ATOMS (A**2):  1730 ; 4.601 ; 4.500       
REMARK   3                                                                      
REMARK   3 ANISOTROPIC THERMAL FACTOR RESTRAINTS.    COUNT   RMS   WEIGHT       
REMARK   3   RIGID-BOND RESTRAINTS          (A**2):  NULL ;  NULL ;  NULL       
REMARK   3   SPHERICITY; FREE ATOMS         (A**2):  NULL ;  NULL ;  NULL       
REMARK   3   SPHERICITY; BONDED ATOMS       (A**2):  NULL ;  NULL ;  NULL       
REMARK   3                                                                      
REMARK   3  NCS RESTRAINTS STATISTICS                                           
REMARK   3   NUMBER OF DIFFERENT NCS GROUPS : NULL                              
REMARK   3                                                                      
REMARK   3  TLS DETAILS                                                         
REMARK   3   NUMBER OF TLS GROUPS  : NULL                                       
REMARK   3                                                                      
REMARK   3  BULK SOLVENT MODELLING.                                             
REMARK   3   METHOD USED : BABINET MODEL WITH MASK                              
REMARK   3   PARAMETERS FOR MASK CALCULATION                                    
REMARK   3   VDW PROBE RADIUS   : 1.40                                          
REMARK   3   ION PROBE RADIUS   : 0.80                                          
REMARK   3   SHRINKAGE RADIUS   : 0.80                                          
REMARK   3                                                                      
REMARK   3  OTHER REFINEMENT REMARKS: HYDROGENS HAVE BEEN ADDED IN THE          
REMARK   3  RIDING POSITIONS.                                                   
REMARK   4                                                                      
REMARK   4 2CLK COMPLIES WITH FORMAT V. 3.15, 01-DEC-08                         
REMARK 100                                                                      
REMARK 100 THIS ENTRY HAS BEEN PROCESSED BY PDBE ON  02-MAY-06.                 
REMARK 100 THE PDBE ID CODE IS EBI-28598.                                       
REMARK 200                                                                      
REMARK 200 EXPERIMENTAL DETAILS                                                 
REMARK 200  EXPERIMENT TYPE                : X-RAY DIFFRACTION                  
REMARK 200  DATE OF DATA COLLECTION        : NULL                               
REMARK 200  TEMPERATURE           (KELVIN) : 100.0                              
REMARK 200  PH                             : 7.80                               
REMARK 200  NUMBER OF CRYSTALS USED        : 1                                  
REMARK 200                                                                      
REMARK 200  SYNCHROTRON              (Y/N) : Y                                  
REMARK 200  RADIATION SOURCE               : ESRF                               
REMARK 200  BEAMLINE                       : ID14-1                             
REMARK 200  X-RAY GENERATOR MODEL          : NULL                               
REMARK 200  MONOCHROMATIC OR LAUE    (M/L) : M                                  
REMARK 200  WAVELENGTH OR RANGE        (A) : 0.934                              
REMARK 200  MONOCHROMATOR                  : DIAMOND 111, GE 220                
REMARK 200  OPTICS                         : SAGITALLY FOCUSING GE 220 AND      
REMARK 200                                   A MULTILAYER                       
REMARK 200                                                                      
REMARK 200  DETECTOR TYPE                  : CCD                                
REMARK 200  DETECTOR MANUFACTURER          : ADSC                               
REMARK 200  INTENSITY-INTEGRATION SOFTWARE : XDS                                
REMARK 200  DATA SCALING SOFTWARE          : XSCALE                             
REMARK 200                                                                      
REMARK 200  NUMBER OF UNIQUE REFLECTIONS   : 107933                             
REMARK 200  RESOLUTION RANGE HIGH      (A) : 1.500                              
REMARK 200  RESOLUTION RANGE LOW       (A) : 20.000                             
REMARK 200  REJECTION CRITERIA  (SIGMA(I)) : 0.000                              
REMARK 200                                                                      
REMARK 200 OVERALL.                                                             
REMARK 200  COMPLETENESS FOR RANGE     (%) : 97.3                               
REMARK 200  DATA REDUNDANCY                : 2.000                              
REMARK 200  R MERGE                    (I) : 0.06000                            
REMARK 200  R SYM                      (I) : NULL                               
REMARK 200  <I/SIGMA(I)> FOR THE DATA SET  : 8.3000                             
REMARK 200                                                                      
REMARK 200 IN THE HIGHEST RESOLUTION SHELL.                                     
REMARK 200  HIGHEST RESOLUTION SHELL, RANGE HIGH (A) : 1.50                     
REMARK 200  HIGHEST RESOLUTION SHELL, RANGE LOW  (A) : 1.60                     
REMARK 200  COMPLETENESS FOR SHELL     (%) : 83.1                               
REMARK 200  DATA REDUNDANCY IN SHELL       : NULL                               
REMARK 200  R MERGE FOR SHELL          (I) : 0.23000                            
REMARK 200  R SYM FOR SHELL            (I) : NULL                               
REMARK 200  <I/SIGMA(I)> FOR SHELL         : 1.900                              
REMARK 200                                                                      
REMARK 200 DIFFRACTION PROTOCOL: SINGLE WAVELENGTH                              
REMARK 200 METHOD USED TO DETERMINE THE STRUCTURE: MOLECULAR REPLACEMENT        
REMARK 200 SOFTWARE USED: NULL                                                  
REMARK 200 STARTING MODEL: NULL                                                 
REMARK 200                                                                      
REMARK 200 REMARK: NULL                                                         
REMARK 280                                                                      
REMARK 280 CRYSTAL                                                              
REMARK 280 SOLVENT CONTENT, VS   (%): NULL                                      
REMARK 280 MATTHEWS COEFFICIENT, VM (ANGSTROMS**3/DA):NULL                      
REMARK 280                                                                      
REMARK 280 CRYSTALLIZATION CONDITIONS: NULL                                     
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       91.02250            
REMARK 290   SMTRY2   3  0.000000  1.000000  0.000000       29.77900            
REMARK 290   SMTRY3   3  0.000000  0.000000  1.000000        0.00000            
REMARK 290   SMTRY1   4 -1.000000  0.000000  0.000000       91.02250            
REMARK 290   SMTRY2   4  0.000000  1.000000  0.000000       29.77900            
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 GENERATING THE BIOMOLECULE                                           
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 SOFTWARE DETERMINED QUATERNARY STRUCTURE: TETRAMERIC                 
REMARK 350 SOFTWARE USED: PQS                                                   
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      182.04500            
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     ALA A   268                                                      
REMARK 465     LYS B   392                                                      
REMARK 465     ALA B   393                                                      
REMARK 465     ARG B   394                                                      
REMARK 465     GLY B   395                                                      
REMARK 465     GLU B   396                                                      
REMARK 465     ILE B   397                                                      
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     ASN A 109    CG   OD1  ND2                                       
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   NH2  ARG B   222  -  O    HOH B  2217              2.10            
REMARK 500                                                                      
REMARK 500 REMARK: NULL                                                         
REMARK 500                                                                      
REMARK 500 GEOMETRY AND STEREOCHEMISTRY                                         
REMARK 500 SUBTOPIC: CLOSE CONTACTS                                             
REMARK 500                                                                      
REMARK 500 THE FOLLOWING ATOMS THAT ARE RELATED BY CRYSTALLOGRAPHIC             
REMARK 500 SYMMETRY ARE IN CLOSE CONTACT.  AN ATOM LOCATED WITHIN 0.15          
REMARK 500 ANGSTROMS OF A SYMMETRY RELATED ATOM IS ASSUMED TO BE ON A           
REMARK 500 SPECIAL POSITION AND IS, THEREFORE, LISTED IN REMARK 375             
REMARK 500 INSTEAD OF REMARK 500.  ATOMS WITH NON-BLANK ALTERNATE               
REMARK 500 LOCATION INDICATORS ARE NOT INCLUDED IN THE CALCULATIONS.            
REMARK 500                                                                      
REMARK 500 DISTANCE CUTOFF:                                                     
REMARK 500 2.2 ANGSTROMS FOR CONTACTS NOT INVOLVING HYDROGEN ATOMS              
REMARK 500 1.6 ANGSTROMS FOR CONTACTS INVOLVING HYDROGEN ATOMS                  
REMARK 500                                                                      
REMARK 500  ATM1  RES C  SSEQI   ATM2  RES C  SSEQI  SSYMOP   DISTANCE          
REMARK 500                                                                      
REMARK 500   O    HOH B  2076     O    HOH B  2081     2655      2.16           
REMARK 500                                                                      
REMARK 500 REMARK: NULL                                                         
REMARK 500                                                                      
REMARK 500 GEOMETRY AND STEREOCHEMISTRY                                         
REMARK 500 SUBTOPIC: COVALENT BOND LENGTHS                                      
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,2(A3,1X,A1,I4,A1,1X,A4,3X),1X,F6.3)               
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   RES CSSEQI ATM2   DEVIATION                     
REMARK 500    PHE B  41   CD1   PHE B  41   CE1     0.124                       
REMARK 500    GLU B 263   CD    GLU B 263   OE1     0.073                       
REMARK 500    ASP B 291   CB    ASP B 291   CG     -0.129                       
REMARK 500    TYR B 298   CE1   TYR B 298   CZ      0.080                       
REMARK 500                                                                      
REMARK 500 REMARK: NULL                                                         
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    ASP A  13   CB  -  CG  -  OD2 ANGL. DEV. =   6.1 DEGREES          
REMARK 500    ARG A 225   NE  -  CZ  -  NH1 ANGL. DEV. =   3.8 DEGREES          
REMARK 500    ARG A 225   NE  -  CZ  -  NH2 ANGL. DEV. =  -4.7 DEGREES          
REMARK 500    ARG B  77   NE  -  CZ  -  NH2 ANGL. DEV. =  -4.5 DEGREES          
REMARK 500    ARG B 131   NE  -  CZ  -  NH1 ANGL. DEV. =   3.5 DEGREES          
REMARK 500    ASP B 168   CB  -  CG  -  OD2 ANGL. DEV. =   6.3 DEGREES          
REMARK 500    ARG B 206   NE  -  CZ  -  NH1 ANGL. DEV. =  -3.9 DEGREES          
REMARK 500    ARG B 206   NE  -  CZ  -  NH2 ANGL. DEV. =   5.1 DEGREES          
REMARK 500    ARG B 222   NE  -  CZ  -  NH1 ANGL. DEV. =   5.6 DEGREES          
REMARK 500    ARG B 222   NE  -  CZ  -  NH2 ANGL. DEV. =  -4.9 DEGREES          
REMARK 500    PHE B 241   CB  -  CG  -  CD2 ANGL. DEV. =  -5.0 DEGREES          
REMARK 500    ARG B 275   NE  -  CZ  -  NH2 ANGL. DEV. =   3.2 DEGREES          
REMARK 500    MET B 286   CA  -  CB  -  CG  ANGL. DEV. =  10.7 DEGREES          
REMARK 500    LYS B 368   CD  -  CE  -  NZ  ANGL. DEV. = -15.2 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 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    GLU A   2       54.57   -145.14                                   
REMARK 500    CYS B  62       69.21   -111.38                                   
REMARK 500    THR B 165     -158.53   -132.99                                   
REMARK 500    LEU B 304       30.53    -99.46                                   
REMARK 500    SER B 308     -150.06   -138.56                                   
REMARK 500                                                                      
REMARK 500 REMARK: NULL                                                         
REMARK 500                                                                      
REMARK 500 GEOMETRY AND STEREOCHEMISTRY                                         
REMARK 500 SUBTOPIC: CHIRAL CENTERS                                             
REMARK 500                                                                      
REMARK 500 UNEXPECTED CONFIGURATION OF THE FOLLOWING CHIRAL                     
REMARK 500 CENTER(S) USING IMPROPER CA--C--CB--N CHIRALITY                      
REMARK 500 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,A1,6X,F5.1,6X,A1,10X,A1,3X,A16)       
REMARK 500                                                                      
REMARK 500  M RES CSSEQI    IMPROPER   EXPECTED   FOUND DETAILS                 
REMARK 500    TYR B 197        24.9      L          L   OUTSIDE RANGE           
REMARK 500                                                                      
REMARK 500 REMARK: NULL                                                         
REMARK 525                                                                      
REMARK 525 SOLVENT                                                              
REMARK 525                                                                      
REMARK 525 THE SOLVENT MOLECULES HAVE CHAIN IDENTIFIERS THAT                    
REMARK 525 INDICATE THE POLYMER CHAIN WITH WHICH THEY ARE MOST                  
REMARK 525 CLOSELY ASSOCIATED. THE REMARK LISTS ALL THE SOLVENT                 
REMARK 525 MOLECULES WHICH ARE MORE THAN 5A AWAY FROM THE                       
REMARK 525 NEAREST POLYMER CHAIN (M = MODEL NUMBER;                             
REMARK 525 RES=RESIDUE NAME; C=CHAIN IDENTIFIER; SSEQ=SEQUENCE                  
REMARK 525 NUMBER; I=INSERTION CODE):                                           
REMARK 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 B1393  NA                            
REMARK 620 N RES CSSEQI ATOM                                                    
REMARK 620 1 GLY B 232   O                                                      
REMARK 620 2 PHE B 306   O   103.0                                              
REMARK 620 3 SER B 308   O    95.2  86.3                                        
REMARK 620 4 HOH B2243   O   112.8  75.1 148.9                                  
REMARK 620 5 HOH B2237   O    87.1 165.6 103.2  91.6                            
REMARK 620 N                    1     2     3     4                             
REMARK 800                                                                      
REMARK 800 SITE                                                                 
REMARK 800 SITE_IDENTIFIER: AC1                                                 
REMARK 800 EVIDENCE_CODE: SOFTWARE                                              
REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE  NA B1393                 
REMARK 800                                                                      
REMARK 800 SITE_IDENTIFIER: AC2                                                 
REMARK 800 EVIDENCE_CODE: SOFTWARE                                              
REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE G3H A1268                 
REMARK 800                                                                      
REMARK 800 SITE_IDENTIFIER: AC3                                                 
REMARK 800 EVIDENCE_CODE: SOFTWARE                                              
REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE PLP B1392                 
REMARK 900                                                                      
REMARK 900 RELATED ENTRIES                                                      
REMARK 900 RELATED ID: 1A50   RELATED DB: PDB                                   
REMARK 900  CRYSTAL STRUCTURE OF WILD-TYPE TRYPTOPHAN                           
REMARK 900  SYNTHASE COMPLEXED WITH 5-FLUOROINDOLE                              
REMARK 900  PROPANOL PHOSPHATE                                                  
REMARK 900 RELATED ID: 1A5A   RELATED DB: PDB                                   
REMARK 900  CRYO-CRYSTALLOGRAPHY OF A TRUE SUBSTRATE,                           
REMARK 900  INDOLE-3-GLYCEROL PHOSPHATE, BOUND TO A                             
REMARK 900  MUTANT (ALPHAD60N) TRYPTOPHAN SYNTHASE                              
REMARK 900  ALPHA2BETA2 COMPLEX REVEALS THE CORRECT                             
REMARK 900  ORIENTATION OF ACTIVE SITE ALPHA GLU 49                             
REMARK 900 RELATED ID: 1A5B   RELATED DB: PDB                                   
REMARK 900  CRYO-CRYSTALLOGRAPHY OF A TRUE SUBSTRATE,                           
REMARK 900  INDOLE-3-GLYCEROL PHOSPHATE, BOUND TO A                             
REMARK 900  MUTANT (ALPHA D60N) TRYPTOPHAN SYNTHASE ALPHA                       
REMARK 900  =2=BETA=2= COMPLEX REVEALS THE CORRECT                              
REMARK 900  ORIENTATION OF ACTIVE SITE ALPHA GLU 49                             
REMARK 900 RELATED ID: 1A5S   RELATED DB: PDB                                   
REMARK 900  CRYSTAL STRUCTURE OF WILD-TYPE TRYPTOPHAN                           
REMARK 900  SYNTHASE COMPLEXED WITH 5-FLUOROINDOLE                              
REMARK 900  PROPANOL PHOSPHATE AND L-SER BOUND AS                               
REMARK 900  AMINO ACRYLATE TO THE BETA SITE                                     
REMARK 900 RELATED ID: 1BKS   RELATED DB: PDB                                   
REMARK 900  TRYPTOPHAN SYNTHASE FROM SALMONELLA TYPHIMURIUM                     
REMARK 900 RELATED ID: 1C29   RELATED DB: PDB                                   
REMARK 900  CRYSTAL STRUCTURE OF THE COMPLEX OF                                 
REMARK 900  BACTERIAL TRYPTOPHAN SYNTHASE WITH THE                              
REMARK 900  TRANSITION STATE ANALOGUE INHIBITOR 4-(2-                           
REMARK 900  HYDROXYPHENYLTHIO)-1-BUTENYLPHOSPHONIC ACID                         
REMARK 900 RELATED ID: 1C8V   RELATED DB: PDB                                   
REMARK 900  CRYSTAL STRUCTURE OF THE COMPLEX OF                                 
REMARK 900  BACTERIAL TRYPTOPHAN SYNTHASE WITH THE                              
REMARK 900  TRANSITION STATE ANALOGUE INHIBITOR 4-(2-                           
REMARK 900  HYDROXYPHENYLTHIO)-BUTYLPHOSPHONIC ACID                             
REMARK 900 RELATED ID: 1C9D   RELATED DB: PDB                                   
REMARK 900  CRYSTAL STRUCTURE OF THE COMPLEX OF                                 
REMARK 900  BACTERIAL TRYPTOPHAN SYNTHASE WITH THE                              
REMARK 900  TRANSITION STATE ANALOGUE INHIBITOR 4-(2-                           
REMARK 900  HYDROXY-4-FLUOROPHENYLTHIO)-BUTYLPHOSPHONIC ACID                    
REMARK 900 RELATED ID: 1CW2   RELATED DB: PDB                                   
REMARK 900  CRYSTAL STRUCTURE OF THE COMPLEX OF                                 
REMARK 900  BACTERIAL TRYPTOPHAN SYNTHASE WITH THE                              
REMARK 900  TRANSITION STATE ANALOGUE INHIBITOR 4-(2-                           
REMARK 900  HYDROXYPHENYLSULFINYL)-BUTYLPHOSPHONIC ACID                         
REMARK 900 RELATED ID: 1CX9   RELATED DB: PDB                                   
REMARK 900  CRYSTAL STRUCTURE OF THE COMPLEX OF                                 
REMARK 900  BACTERIAL TRYPTOPHAN SYNTHASE WITH THE                              
REMARK 900  TRANSITION STATE ANALOGUE INHIBITOR 4-(2-                           
REMARK 900  AMINOPHENYLTHIO)-BUTYLPHOSPHONIC ACID                               
REMARK 900 RELATED ID: 1FUY   RELATED DB: PDB                                   
REMARK 900  CRYSTAL STRUCTURE OF BETAA169L/BETAC170W                            
REMARK 900  DOUBLE MUTANT OFTRYPTOPHAN SYNTHASE COMPLEXED                       
REMARK 900  WITH 5-FLUORO-INDOLE-PROPANOLPHOSPHATE                              
REMARK 900 RELATED ID: 1GEQ   RELATED DB: PDB                                   
REMARK 900  ENTROPIC STABILIZATION OF THE TRYPTOPHAN                            
REMARK 900  SYNTHASE A-SUBUNITFROM A HYPERTHERMOPHILE,                          
REMARK 900  PYROCOCCUS FURIOSUS: X-RAYANALYSIS AND                              
REMARK 900  CALORIMETRY                                                         
REMARK 900 RELATED ID: 1K3U   RELATED DB: PDB                                   
REMARK 900  CRYSTAL STRUCTURE OF WILD-TYPE TRYPTOPHAN                           
REMARK 900  SYNTHASECOMPLEXED WITH N-[1H-INDOL-3-YL-                            
REMARK 900  ACETYL]ASPARTIC ACID                                                
REMARK 900 RELATED ID: 1K7E   RELATED DB: PDB                                   
REMARK 900  CRYSTAL STRUCTURE OF WILD-TYPE TRYPTOPHAN                           
REMARK 900  SYNTHASECOMPLEXED WITH N-[1H-INDOL-3-YL-                            
REMARK 900  ACETYL]GLYCINE ACID                                                 
REMARK 900 RELATED ID: 1K7F   RELATED DB: PDB                                   
REMARK 900  CRYSTAL STRUCTURE OF WILD-TYPE TRYPTOPHAN                           
REMARK 900  SYNTHASECOMPLEXED WITH N-[1H-INDOL-3-YL-                            
REMARK 900  ACETYL]VALINE ACID                                                  
REMARK 900 RELATED ID: 1K7X   RELATED DB: PDB                                   
REMARK 900  CRYSTAL STRUCTURE OF THE BETA-SER178PRO                             
REMARK 900  MUTANT OFTRYPTOPHAN SYNTHASE                                        
REMARK 900 RELATED ID: 1K8Y   RELATED DB: PDB                                   
REMARK 900  CRYSTAL STRUCTURE OF THE TRYPTOPHAN SYNTHASE                        
REMARK 900  BETA-SER178PROMUTANT COMPLEXED WITH D,L-                            
REMARK 900  ALPHA-GLYCEROL-3-PHOSPHATE                                          
REMARK 900 RELATED ID: 1K8Z   RELATED DB: PDB                                   
REMARK 900  CRYSTAL STRUCTURE OF THE TRYPTOPHAN SYNTHASE                        
REMARK 900  BETA-SER178PROMUTANT COMPLEXED WITH N-[1H-                          
REMARK 900  INDOL-3-YL-ACETYL]GLYCINE ACID                                      
REMARK 900 RELATED ID: 1KFJ   RELATED DB: PDB                                   
REMARK 900  CRYSTAL STRUCTURE OF WILD-TYPE TRYPTOPHAN                           
REMARK 900  SYNTHASECOMPLEXED WITH L-SERINE                                     
REMARK 900 RELATED ID: 1KFK   RELATED DB: PDB                                   
REMARK 900  CRYSTAL STRUCTURE OF TRYPTOPHAN SYNTHASE FROM                       
REMARK 900   SALMONELLATYPHIMURIUM                                              
REMARK 900 RELATED ID: 1QOP   RELATED DB: PDB                                   
REMARK 900  CRYSTAL STRUCTURE OF WILD-TYPE TRYPTOPHAN                           
REMARK 900  SYNTHASE COMPLEXED WITH INDOLE PROPANOL                             
REMARK 900  PHOSPHATE                                                           
REMARK 900 RELATED ID: 1QOQ   RELATED DB: PDB                                   
REMARK 900  CRYSTAL STRUCTURE OF WILD-TYPE TRYPTOPHAN                           
REMARK 900  SYNTHASE COMPLEXED WITH INDOLE GLYCEROL                             
REMARK 900  PHOSPHATE                                                           
REMARK 900 RELATED ID: 1RD5   RELATED DB: PDB                                   
REMARK 900  CRYSTAL STRUCTURE OF TRYPTOPHAN SYNTHASE ALPHA                      
REMARK 900   CHAINHOMOLOG BX1: A MEMBER OF THE CHEMICAL                         
REMARK 900   PLANT DEFENSE SYSTEM                                               
REMARK 900 RELATED ID: 1TJP   RELATED DB: PDB                                   
REMARK 900  CRYSTAL STRUCTURE OF WILD-TYPE TRYPTOPHAN                           
REMARK 900  SYNTHASECOMPLEXED WITH 1-[(2-HYDROXYLPHENYL)                        
REMARK 900  AMINO]3-GLYCEROLPHOSPHATE                                           
REMARK 900 RELATED ID: 1TTP   RELATED DB: PDB                                   
REMARK 900  TRYPTOPHAN SYNTHASE IN THE PRESENCE OF                              
REMARK 900  CESIUM, ROOM TEMPERATURE                                            
REMARK 900 RELATED ID: 1TTQ   RELATED DB: PDB                                   
REMARK 900  TRYPTOPHAN SYNTHASE IN THE PRESENCE OF                              
REMARK 900  POTASSIUM AT ROOM TEMPERATURE                                       
REMARK 900 RELATED ID: 1UBS   RELATED DB: PDB                                   
REMARK 900  TRYPTOPHAN SYNTHASE WITH A MUTATION OF LYS                          
REMARK 900  87 ->THR IN THE B SUBUNIT AND IN THE                                
REMARK 900  PRESENCE OF LIGAND L-SERINE                                         
REMARK 900 RELATED ID: 1UJP   RELATED DB: PDB                                   
REMARK 900  CRYSTAL STRUCTURE OF TRYPTOPHAN SYNTHASE A-                         
REMARK 900  SUBUNIT FROMTHERMUS THERMOPHILUS HB8                                
REMARK 900 RELATED ID: 1V7Y   RELATED DB: PDB                                   
REMARK 900  CRYSTAL STRUCTURE OF TRYPTOPHAN SYNTHASE ALPHA                      
REMARK 900  -SUBUNIT FROMESCHERICHIA COLI AT ROOM                               
REMARK 900  TEMPERATURE                                                         
REMARK 900 RELATED ID: 1V8Z   RELATED DB: PDB                                   
REMARK 900  X-RAY CRYSTAL STRUCTURE OF THE TRYPTOPHAN                           
REMARK 900  SYNTHASE B2SUBUNIT FROM HYPERTHERMOPHILE,                           
REMARK 900  PYROCOCCUS FURIOSUS                                                 
REMARK 900 RELATED ID: 1WBJ   RELATED DB: PDB                                   
REMARK 900  WILDTYPE TRYPTOPHAN SYNTHASE COMPLEXED WITH                         
REMARK 900  GLYCEROL PHOSPHATE                                                  
REMARK 900 RELATED ID: 1WQ5   RELATED DB: PDB                                   
REMARK 900  CRYSTAL STRUCTURE OF TRYPTOPHAN SYNTHASE ALPHA                      
REMARK 900  -SUBUNIT FROMESCHERICHIA COLI                                       
REMARK 900 RELATED ID: 1WXJ   RELATED DB: PDB                                   
REMARK 900  CRYSTAL STRUCTURE OF TRYPTOPHAN SYNTHASE A-                         
REMARK 900  SUBUNIT WITHINDOLE-3-PROPANOL PHOSPHATE FROM                        
REMARK 900  THERMUS THERMOPHILUS HB8                                            
REMARK 900 RELATED ID: 1XC4   RELATED DB: PDB                                   
REMARK 900  CRYSTAL STRUCTURE OF WILD-TYPE TRYPTOPHAN                           
REMARK 900  SYNTHASE ALPHA-SUBUNITS FROM ESCHERICHIA COLI                       
REMARK 900 RELATED ID: 1XCF   RELATED DB: PDB                                   
REMARK 900  CRYSTAL STRUCTURE OF P28L/Y173F TRYPTOPHAN                          
REMARK 900  SYNTHASE ALPHA-SUBUNITS FROM ESCHERICHIA COLI                       
REMARK 900 RELATED ID: 2CLE   RELATED DB: PDB                                   
REMARK 900  TRYPTOPHAN SYNTHASE IN COMPLEX WITH N-(4'-                          
REMARK 900  TRIFLUOROMETHOXYBENZOYL)-2-AMINO-1-                                 
REMARK 900  ETHYLPHOSPHATE (F6) - LOWF6 COMPLEX                                 
REMARK 900 RELATED ID: 2CLF   RELATED DB: PDB                                   
REMARK 900  TRYPTOPHAN SYNTHASE IN COMPLEX WITH N-(4'-                          
REMARK 900  TRIFLUOROMETHOXYBENZOYL)-2-AMINO-1-                                 
REMARK 900  ETHYLPHOSPHATE (F6) - HIGHF6 COMPLEX                                
REMARK 900 RELATED ID: 2CLH   RELATED DB: PDB                                   
REMARK 900  TRYPTOPHAN SYNTHASE IN COMPLEX WITH (                               
REMARK 900  NAPHTHALENE-2'-SULFONYL)-2-AMINO-1-                                 
REMARK 900  ETHYLPHOSPHATE (F19)                                                
REMARK 900 RELATED ID: 2CLI   RELATED DB: PDB                                   
REMARK 900  TRYPTOPHAN SYNTHASE IN COMPLEX WITH N-(4'-                          
REMARK 900  TRIFLUOROMETHOXYBENZENESULFONYL)-2-AMINO-1-                         
REMARK 900  ETHYLPHOSPHATE (F9)                                                 
REMARK 900 RELATED ID: 2CLL   RELATED DB: PDB                                   
REMARK 900  TRYPTOPHAN SYNTHASE (EXTERNAL ALDIMINE STATE)                       
REMARK 900  IN COMPLEX WITH N-(4'-                                              
REMARK 900  TRIFLUOROMETHOXYBENZENESULFONYL)-2-AMINO-1-                         
REMARK 900  ETHYLPHOSPHATE (F9)                                                 
REMARK 900 RELATED ID: 2CLM   RELATED DB: PDB                                   
REMARK 900  TRYPTOPHAN SYNTHASE (EXTERNAL ALDIMINE STATE)                       
REMARK 900  IN COMPLEX WITH N-(4'-TRIFLUOROMETHOXYBENZOYL                       
REMARK 900  )-2-AMINO-1-ETHYLPHOSPHATE (F6)                                     
REMARK 900 RELATED ID: 2CLO   RELATED DB: PDB                                   
REMARK 900  TRYPTOPHAN SYNTHASE (EXTERNAL ALDIMINE STATE)                       
REMARK 900  IN COMPLEX WITH (NAPHTHALENE-2'-SULFONYL)-2                         
REMARK 900  -AMINO-1-ETHYLPHOSPHATE (F19)                                       
REMARK 900 RELATED ID: 2TRS   RELATED DB: PDB                                   
REMARK 900  CRYSTAL STRUCTURES OF MUTANT (BETAK87T)                             
REMARK 900  TRYPTOPHAN SYNTHASE ALPHA=2 BETA=2= COMPLEX                         
REMARK 900   WITH LIGANDS BOUND TO THE ACTIVE SITES                             
REMARK 900  OF THE ALPHA AND BETA SUBUNITS REVEAL                               
REMARK 900  LIGAND-INDUCED CONFORMATIONAL CHANGES                               
REMARK 900 RELATED ID: 2TSY   RELATED DB: PDB                                   
REMARK 900  CRYSTAL STRUCTURES OF MUTANT (BETAK87T)                             
REMARK 900  TRYPTOPHAN SYNTHASE ALPHA=2 BETA=2= COMPLEX                         
REMARK 900   WITH LIGANDS BOUND TO THE ACTIVE SITES                             
REMARK 900  OF THE ALPHA AND BETA SUBUNITS REVEAL                               
REMARK 900  LIGAND-INDUCED CONFORMATIONAL CHANGES                               
REMARK 900 RELATED ID: 2TYS   RELATED DB: PDB                                   
REMARK 900  CRYSTAL STRUCTURES OF MUTANT (BETAK87T)                             
REMARK 900  TRYPTOPHAN SYNTHASE ALPHA=2 BETA=2= COMPLEX                         
REMARK 900   WITH LIGANDS BOUND TO THE ACTIVE SITES                             
REMARK 900  OF THE ALPHA AND BETA SUBUNITS REVEAL                               
REMARK 900  LIGAND-INDUCED CONFORMATIONAL CHANGES                               
REMARK 900 RELATED ID: 2WSY   RELATED DB: PDB                                   
REMARK 900  CRYSTAL STRUCTURE OF WILD-TYPE TRYPTOPHAN                           
REMARK 900  SYNTHASE                                                            
DBREF  2CLK A    1   268  UNP    P00929   TRPA_SALTY       1    268             
DBREF  2CLK B    2   397  UNP    P0A2K1   TRPB_SALTY       1    396             
SEQADV 2CLK ILE A   88  UNP  P0A2K1    LEU    87 CONFLICT                       
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 ILE 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  396  THR THR LEU LEU ASN PRO TYR PHE GLY GLU PHE GLY GLY          
SEQRES   2 B  396  MET TYR VAL PRO GLN ILE LEU MET PRO ALA LEU ASN GLN          
SEQRES   3 B  396  LEU GLU GLU ALA PHE VAL SER ALA GLN LYS ASP PRO GLU          
SEQRES   4 B  396  PHE GLN ALA GLN PHE ALA ASP LEU LEU LYS ASN TYR ALA          
SEQRES   5 B  396  GLY ARG PRO THR ALA LEU THR LYS CYS GLN ASN ILE THR          
SEQRES   6 B  396  ALA GLY THR ARG THR THR LEU TYR LEU LYS ARG GLU ASP          
SEQRES   7 B  396  LEU LEU HIS GLY GLY ALA HIS LYS THR ASN GLN VAL LEU          
SEQRES   8 B  396  GLY GLN ALA LEU LEU ALA LYS ARG MET GLY LYS SER GLU          
SEQRES   9 B  396  ILE ILE ALA GLU THR GLY ALA GLY GLN HIS GLY VAL ALA          
SEQRES  10 B  396  SER ALA LEU ALA SER ALA LEU LEU GLY LEU LYS CYS ARG          
SEQRES  11 B  396  ILE TYR MET GLY ALA LYS ASP VAL GLU ARG GLN SER PRO          
SEQRES  12 B  396  ASN VAL PHE ARG MET ARG LEU MET GLY ALA GLU VAL ILE          
SEQRES  13 B  396  PRO VAL HIS SER GLY SER ALA THR LEU LYS ASP ALA CYS          
SEQRES  14 B  396  ASN GLU ALA LEU ARG ASP TRP SER GLY SER TYR GLU THR          
SEQRES  15 B  396  ALA HIS TYR MET LEU GLY THR ALA ALA GLY PRO HIS PRO          
SEQRES  16 B  396  TYR PRO THR ILE VAL ARG GLU PHE GLN ARG MET ILE GLY          
SEQRES  17 B  396  GLU GLU THR LYS ALA GLN ILE LEU ASP LYS GLU GLY ARG          
SEQRES  18 B  396  LEU PRO ASP ALA VAL ILE ALA CYS VAL GLY GLY GLY SER          
SEQRES  19 B  396  ASN ALA ILE GLY MET PHE ALA ASP PHE ILE ASN ASP THR          
SEQRES  20 B  396  SER VAL GLY LEU ILE GLY VAL GLU PRO GLY GLY HIS GLY          
SEQRES  21 B  396  ILE GLU THR GLY GLU HIS GLY ALA PRO LEU LYS HIS GLY          
SEQRES  22 B  396  ARG VAL GLY ILE TYR PHE GLY MET LYS ALA PRO MET MET          
SEQRES  23 B  396  GLN THR ALA ASP GLY GLN ILE GLU GLU SER TYR SER ILE          
SEQRES  24 B  396  SER ALA GLY LEU ASP PHE PRO SER VAL GLY PRO GLN HIS          
SEQRES  25 B  396  ALA TYR LEU ASN SER ILE GLY ARG ALA ASP TYR VAL SER          
SEQRES  26 B  396  ILE THR ASP ASP GLU ALA LEU GLU ALA PHE LYS THR LEU          
SEQRES  27 B  396  CYS ARG HIS GLU GLY ILE ILE PRO ALA LEU GLU SER SER          
SEQRES  28 B  396  HIS ALA LEU ALA HIS ALA LEU LYS MET MET ARG GLU GLN          
SEQRES  29 B  396  PRO GLU LYS GLU GLN LEU LEU VAL VAL ASN LEU SER GLY          
SEQRES  30 B  396  ARG GLY ASP LYS ASP ILE PHE THR VAL HIS ASP ILE LEU          
SEQRES  31 B  396  LYS ALA ARG GLY GLU ILE                                      
HET     NA  B1393       1                                                       
HET    G3H  A1268      10                                                       
HET    PLP  B1392      15                                                       
HETNAM      NA SODIUM ION                                                       
HETNAM     G3H GLYCERALDEHYDE-3-PHOSPHATE                                       
HETNAM     PLP PYRIDOXAL-5'-PHOSPHATE                                           
HETSYN     PLP VITAMIN B6 COMPLEX                                               
FORMUL   3   NA    NA 1+                                                        
FORMUL   4  G3H    C3 H7 O6 P                                                   
FORMUL   5  PLP    C8 H10 N O6 P                                                
FORMUL   6  HOH   *533(H2 O1)                                                   
HELIX    1   1 GLU A    2  ARG A   14  1                                  13    
HELIX    2   2 GLY A   29  ALA A   43  1                                  15    
HELIX    3   3 GLY A   61  ALA A   74  1                                  14    
HELIX    4   4 THR A   77  HIS A   92  1                                  16    
HELIX    5   5 TYR A  102  ASN A  108  1                                   7    
HELIX    6   6 GLY A  110  GLY A  122  1                                  13    
HELIX    7   7 PRO A  132  GLU A  135  5                                   4    
HELIX    8   8 SER A  136  HIS A  146  1                                  11    
HELIX    9   9 ASP A  159  GLY A  170  1                                  12    
HELIX   10  10 LEU A  193  TYR A  203  1                                  11    
HELIX   11  11 SER A  216  ALA A  226  1                                  11    
HELIX   12  12 GLY A  234  ASN A  244  1                                  11    
HELIX   13  13 SER A  247  ALA A  265  1                                  19    
HELIX   14  14 PRO B   18  ILE B   20  5                                   3    
HELIX   15  15 LEU B   21  LYS B   37  1                                  17    
HELIX   16  16 ASP B   38  TYR B   52  1                                  15    
HELIX   17  17 CYS B   62  ALA B   67  1                                   6    
HELIX   18  18 ASP B   79  LEU B   81  5                                   3    
HELIX   19  19 LYS B   87  MET B  101  1                                  15    
HELIX   20  20 GLY B  113  GLY B  127  1                                  15    
HELIX   21  21 ALA B  136  GLN B  142  1                                   7    
HELIX   22  22 GLN B  142  MET B  152  1                                  11    
HELIX   23  23 THR B  165  TYR B  181  1                                  17    
HELIX   24  24 PRO B  196  PHE B  204  1                                   9    
HELIX   25  25 ARG B  206  GLY B  221  1                                  16    
HELIX   26  26 GLY B  234  ALA B  242  1                                   9    
HELIX   27  27 ASP B  243  ILE B  245  5                                   3    
HELIX   28  28 ILE B  262  GLY B  265  5                                   4    
HELIX   29  29 ALA B  269  GLY B  274  1                                   6    
HELIX   30  30 SER B  301  ASP B  305  5                                   5    
HELIX   31  31 GLY B  310  ILE B  319  1                                  10    
HELIX   32  32 ASP B  329  GLY B  344  1                                  16    
HELIX   33  33 ALA B  348  GLN B  365  1                                  18    
HELIX   34  34 GLY B  380  LYS B  382  5                                   3    
HELIX   35  35 ASP B  383  LEU B  391  1                                   9    
SHEET    1  AA 9 ALA A 149  ILE A 151  0                                        
SHEET    2  AA 9 SER A 125  VAL A 128  1  O  VAL A 126   N  ILE A 151           
SHEET    3  AA 9 ILE A  97  MET A 101  1  O  LEU A  99   N  LEU A 127           
SHEET    4  AA 9 LEU A  48  GLY A  51  1  O  LEU A  48   N  GLY A  98           
SHEET    5  AA 9 ALA A  18  THR A  24  1  O  PRO A  21   N  GLU A  49           
SHEET    6  AA 9 GLY A 230  SER A 233  1  O  ALA A 231   N  VAL A  20           
SHEET    7  AA 9 ALA A 208  GLY A 211  1  O  GLN A 210   N  ILE A 232           
SHEET    8  AA 9 THR A 174  LEU A 177  1  O  THR A 174   N  LEU A 209           
SHEET    9  AA 9 ILE A 153  CYS A 154  1  O  CYS A 154   N  LEU A 177           
SHEET    1  BA 4 TYR B   8  PHE B   9  0                                        
SHEET    2  BA 4 PHE B  12  TYR B  16 -1  O  PHE B  12   N  PHE B   9           
SHEET    3  BA 4 GLY B 281  MET B 286 -1  O  GLY B 281   N  TYR B  16           
SHEET    4  BA 4 ARG B 275  TYR B 279 -1  O  ARG B 275   N  MET B 286           
SHEET    1  BB 6 LEU B  59  LYS B  61  0                                        
SHEET    2  BB 6 THR B  71  ARG B  77 -1  O  LEU B  75   N  THR B  60           
SHEET    3  BB 6 GLN B 370  LEU B 376  1  O  GLN B 370   N  THR B  72           
SHEET    4  BB 6 ALA B 226  CYS B 230  1  O  ALA B 226   N  VAL B 373           
SHEET    5  BB 6 GLY B 251  GLY B 259  1  O  GLY B 251   N  VAL B 227           
SHEET    6  BB 6 ASP B 323  THR B 328  1  O  ASP B 323   N  GLY B 254           
SHEET    1  BC 4 GLU B 155  VAL B 159  0                                        
SHEET    2  BC 4 LYS B 129  GLY B 135  1  O  CYS B 130   N  GLU B 155           
SHEET    3  BC 4 GLU B 105  THR B 110  1  O  ILE B 106   N  ARG B 131           
SHEET    4  BC 4 ALA B 184  TYR B 186  1  O  HIS B 185   N  ILE B 107           
LINK         NZ  LYS B  87                 C4A PLP B1392     1555   1555  1.47  
LINK        NA    NA B1393                 O   PHE B 306     1555   1555  2.43  
LINK        NA    NA B1393                 O   SER B 308     1555   1555  2.36  
LINK        NA    NA B1393                 O   HOH B2243     1555   1555  2.41  
LINK        NA    NA B1393                 O   HOH B2237     1555   1555  2.40  
LINK        NA    NA B1393                 O   GLY B 232     1555   1555  2.26  
CISPEP   1 ASP A   27    PRO A   28          0         1.30                     
CISPEP   2 ARG B   55    PRO B   56          0         1.11                     
CISPEP   3 HIS B  195    PRO B  196          0         8.44                     
SITE     1 AC1  5 GLY B 232  PHE B 306  SER B 308  HOH B2237                    
SITE     2 AC1  5 HOH B2243                                                     
SITE     1 AC2 12 ILE A  64  LEU A 100  TYR A 175  THR A 183                    
SITE     2 AC2 12 GLY A 184  PHE A 212  GLY A 213  ILE A 232                    
SITE     3 AC2 12 GLY A 234  SER A 235  HOH A2191  HOH A2192                    
SITE     1 AC3 18 ALA B  85  HIS B  86  LYS B  87  GLN B 114                    
SITE     2 AC3 18 THR B 190  CYS B 230  GLY B 232  GLY B 233                    
SITE     3 AC3 18 GLY B 234  SER B 235  ASN B 236  GLY B 303                    
SITE     4 AC3 18 GLU B 350  SER B 377  GLY B 378  HOH B2196                    
SITE     5 AC3 18 HOH B2224  HOH B2341                                          
CRYST1  182.045   59.558   67.409  90.00  94.56  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      0.005493  0.000000  0.000438        0.00000                         
SCALE2      0.000000  0.016790  0.000000        0.00000                         
SCALE3      0.000000  0.000000  0.014882        0.00000