HEADER    LYASE/INHIBITOR                         12-MAY-21   7MT4              
TITLE     CRYSTAL STRUCTURE OF TRYPTOPHAN SYNTHASE IN COMPLEX WITH F9, NH4+,    
TITLE    2 PH7.8 - ALPHA AMINOACRYLATE FORM - E(A-A)                            
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                                                      
SOURCE    MOL_ID: 1;                                                            
SOURCE   2 ORGANISM_SCIENTIFIC: SALMONELLA ENTERICA SUBSP. ENTERICA SEROVAR     
SOURCE   3 TYPHIMURIUM;                                                         
SOURCE   4 ORGANISM_TAXID: 90371;                                               
SOURCE   5 GENE: TRPA, DD95_04145;                                              
SOURCE   6 EXPRESSION_SYSTEM: ESCHERICHIA COLI;                                 
SOURCE   7 EXPRESSION_SYSTEM_TAXID: 562;                                        
SOURCE   8 MOL_ID: 2;                                                           
SOURCE   9 ORGANISM_SCIENTIFIC: SALMONELLA ENTERICA SUBSP. ENTERICA SEROVAR     
SOURCE  10 TYPHIMURIUM;                                                         
SOURCE  11 ORGANISM_TAXID: 90371;                                               
SOURCE  12 GENE: TRPB, STM1726;                                                 
SOURCE  13 EXPRESSION_SYSTEM: ESCHERICHIA COLI;                                 
SOURCE  14 EXPRESSION_SYSTEM_TAXID: 562                                         
KEYWDS    PLP-DEPENDENT ENZYME TRYPTOPHAN SYNTHASE, LYASE, LYASE-INHIBITOR      
KEYWDS   2 COMPLEX                                                              
EXPDTA    X-RAY DIFFRACTION                                                     
AUTHOR    V.DRAGO,E.HILARIO,M.F.DUNN,T.C.MUESER,L.J.MUELLER                     
REVDAT   3   18-OCT-23 7MT4    1       REMARK                                   
REVDAT   2   19-JAN-22 7MT4    1       JRNL                                     
REVDAT   1   29-DEC-21 7MT4    0                                                
JRNL        AUTH   J.B.HOLMES,V.LIU,B.G.CAULKINS,E.HILARIO,R.K.GHOSH,V.N.DRAGO, 
JRNL        AUTH 2 R.P.YOUNG,J.A.ROMERO,A.D.GILL,P.M.BOGIE,J.PAULINO,X.WANG,    
JRNL        AUTH 3 G.RIVIERE,Y.K.BOSKEN,J.STRUPPE,A.HASSAN,J.GUIDOULIANOV,      
JRNL        AUTH 4 B.PERRONE,F.MENTINK-VIGIER,C.A.CHANG,J.R.LONG,R.J.HOOLEY,    
JRNL        AUTH 5 T.C.MUESER,M.F.DUNN,L.J.MUELLER                              
JRNL        TITL   IMAGING ACTIVE SITE CHEMISTRY AND PROTONATION STATES: NMR    
JRNL        TITL 2 CRYSTALLOGRAPHY OF THE TRYPTOPHAN SYNTHASE                   
JRNL        TITL 3 ALPHA-AMINOACRYLATE INTERMEDIATE.                            
JRNL        REF    PROC.NATL.ACAD.SCI.USA        V. 119       2022              
JRNL        REFN                   ESSN 1091-6490                               
JRNL        PMID   34996869                                                     
JRNL        DOI    10.1073/PNAS.2109235119                                      
REMARK   2                                                                      
REMARK   2 RESOLUTION.    1.40 ANGSTROMS.                                       
REMARK   3                                                                      
REMARK   3 REFINEMENT.                                                          
REMARK   3   PROGRAM     : PHENIX 1.9_1692                                      
REMARK   3   AUTHORS     : PAUL ADAMS,PAVEL AFONINE,VINCENT CHEN,IAN            
REMARK   3               : DAVIS,KRESHNA GOPAL,RALF GROSSE-KUNSTLEVE,           
REMARK   3               : LI-WEI HUNG,ROBERT IMMORMINO,TOM IOERGER,            
REMARK   3               : AIRLIE MCCOY,ERIK MCKEE,NIGEL MORIARTY,              
REMARK   3               : REETAL PAI,RANDY READ,JANE RICHARDSON,               
REMARK   3               : DAVID RICHARDSON,TOD ROMO,JIM SACCHETTINI,           
REMARK   3               : NICHOLAS SAUTER,JACOB SMITH,LAURENT                  
REMARK   3               : STORONI,TOM TERWILLIGER,PETER ZWART                  
REMARK   3                                                                      
REMARK   3    REFINEMENT TARGET : NULL                                          
REMARK   3                                                                      
REMARK   3  DATA USED IN REFINEMENT.                                            
REMARK   3   RESOLUTION RANGE HIGH (ANGSTROMS) : 1.40                           
REMARK   3   RESOLUTION RANGE LOW  (ANGSTROMS) : 36.31                          
REMARK   3   MIN(FOBS/SIGMA_FOBS)              : NULL                           
REMARK   3   COMPLETENESS FOR RANGE        (%) : 96.3                           
REMARK   3   NUMBER OF REFLECTIONS             : 134427                         
REMARK   3                                                                      
REMARK   3  FIT TO DATA USED IN REFINEMENT.                                     
REMARK   3   R VALUE     (WORKING + TEST SET) : NULL                            
REMARK   3   R VALUE            (WORKING SET) : 0.177                           
REMARK   3   FREE R VALUE                     : 0.203                           
REMARK   3   FREE R VALUE TEST SET SIZE   (%) : NULL                            
REMARK   3   FREE R VALUE TEST SET COUNT      : NULL                            
REMARK   3                                                                      
REMARK   3  FIT TO DATA USED IN REFINEMENT (IN BINS).                           
REMARK   3   BIN  RESOLUTION RANGE  COMPL.    NWORK NFREE   RWORK  RFREE        
REMARK   3                                                                      
REMARK   3  BULK SOLVENT MODELLING.                                             
REMARK   3   METHOD USED        : FLAT BULK SOLVENT MODEL                       
REMARK   3   SOLVENT RADIUS     : NULL                                          
REMARK   3   SHRINKAGE RADIUS   : NULL                                          
REMARK   3   K_SOL              : NULL                                          
REMARK   3   B_SOL              : NULL                                          
REMARK   3                                                                      
REMARK   3  ERROR ESTIMATES.                                                    
REMARK   3   COORDINATE ERROR (MAXIMUM-LIKELIHOOD BASED)     : NULL             
REMARK   3   PHASE ERROR (DEGREES, MAXIMUM-LIKELIHOOD BASED) : NULL             
REMARK   3                                                                      
REMARK   3  B VALUES.                                                           
REMARK   3   FROM WILSON PLOT           (A**2) : 13.37                          
REMARK   3   MEAN B VALUE      (OVERALL, A**2) : 18.95                          
REMARK   3   OVERALL ANISOTROPIC B VALUE.                                       
REMARK   3    B11 (A**2) : NULL                                                 
REMARK   3    B22 (A**2) : NULL                                                 
REMARK   3    B33 (A**2) : NULL                                                 
REMARK   3    B12 (A**2) : NULL                                                 
REMARK   3    B13 (A**2) : NULL                                                 
REMARK   3    B23 (A**2) : NULL                                                 
REMARK   3                                                                      
REMARK   3  TWINNING INFORMATION.                                               
REMARK   3   FRACTION: NULL                                                     
REMARK   3   OPERATOR: NULL                                                     
REMARK   3                                                                      
REMARK   3  DEVIATIONS FROM IDEAL VALUES.                                       
REMARK   3                 RMSD          COUNT                                  
REMARK   3   BOND      :  0.007           5190                                  
REMARK   3   ANGLE     :  1.150           7037                                  
REMARK   3   CHIRALITY :  0.044            776                                  
REMARK   3   PLANARITY :  0.006            930                                  
REMARK   3   DIHEDRAL  : 13.457           1933                                  
REMARK   3                                                                      
REMARK   3  TLS DETAILS                                                         
REMARK   3   NUMBER OF TLS GROUPS  : NULL                                       
REMARK   3                                                                      
REMARK   3  NCS DETAILS                                                         
REMARK   3   NUMBER OF NCS GROUPS : NULL                                        
REMARK   3                                                                      
REMARK   3  OTHER REFINEMENT REMARKS: NULL                                      
REMARK   4                                                                      
REMARK   4 7MT4 COMPLIES WITH FORMAT V. 3.30, 13-JUL-11                         
REMARK 100                                                                      
REMARK 100 THIS ENTRY HAS BEEN PROCESSED BY RCSB ON 21-MAY-21.                  
REMARK 100 THE DEPOSITION ID IS D_1000256842.                                   
REMARK 200                                                                      
REMARK 200 EXPERIMENTAL DETAILS                                                 
REMARK 200  EXPERIMENT TYPE                : X-RAY DIFFRACTION                  
REMARK 200  DATE OF DATA COLLECTION        : 14-AUG-18                          
REMARK 200  TEMPERATURE           (KELVIN) : 100                                
REMARK 200  PH                             : NULL                               
REMARK 200  NUMBER OF CRYSTALS USED        : 1                                  
REMARK 200                                                                      
REMARK 200  SYNCHROTRON              (Y/N) : Y                                  
REMARK 200  RADIATION SOURCE               : ALS                                
REMARK 200  BEAMLINE                       : 12.3.1                             
REMARK 200  X-RAY GENERATOR MODEL          : NULL                               
REMARK 200  MONOCHROMATIC OR LAUE    (M/L) : M                                  
REMARK 200  WAVELENGTH OR RANGE        (A) : 1.000014                           
REMARK 200  MONOCHROMATOR                  : NULL                               
REMARK 200  OPTICS                         : NULL                               
REMARK 200                                                                      
REMARK 200  DETECTOR TYPE                  : CCD                                
REMARK 200  DETECTOR MANUFACTURER          : ADSC QUANTUM 315R                  
REMARK 200  INTENSITY-INTEGRATION SOFTWARE : MOSFLM                             
REMARK 200  DATA SCALING SOFTWARE          : SCALA                              
REMARK 200                                                                      
REMARK 200  NUMBER OF UNIQUE REFLECTIONS   : 198056                             
REMARK 200  RESOLUTION RANGE HIGH      (A) : 1.400                              
REMARK 200  RESOLUTION RANGE LOW       (A) : 39.270                             
REMARK 200  REJECTION CRITERIA  (SIGMA(I)) : NULL                               
REMARK 200                                                                      
REMARK 200 OVERALL.                                                             
REMARK 200  COMPLETENESS FOR RANGE     (%) : 98.7                               
REMARK 200  DATA REDUNDANCY                : 12.10                              
REMARK 200  R MERGE                    (I) : NULL                               
REMARK 200  R SYM                      (I) : NULL                               
REMARK 200  <I/SIGMA(I)> FOR THE DATA SET  : 12.1000                            
REMARK 200                                                                      
REMARK 200 IN THE HIGHEST RESOLUTION SHELL.                                     
REMARK 200  HIGHEST RESOLUTION SHELL, RANGE HIGH (A) : 1.40                     
REMARK 200  HIGHEST RESOLUTION SHELL, RANGE LOW  (A) : 1.48                     
REMARK 200  COMPLETENESS FOR SHELL     (%) : 95.0                               
REMARK 200  DATA REDUNDANCY IN SHELL       : NULL                               
REMARK 200  R MERGE FOR SHELL          (I) : NULL                               
REMARK 200  R SYM FOR SHELL            (I) : 0.33100                            
REMARK 200  <I/SIGMA(I)> FOR SHELL         : NULL                               
REMARK 200                                                                      
REMARK 200 DIFFRACTION PROTOCOL: SINGLE WAVELENGTH                              
REMARK 200 METHOD USED TO DETERMINE THE STRUCTURE: MOLECULAR REPLACEMENT        
REMARK 200 SOFTWARE USED: NULL                                                  
REMARK 200 STARTING MODEL: 1TJP                                                 
REMARK 200                                                                      
REMARK 200 REMARK: NULL                                                         
REMARK 280                                                                      
REMARK 280 CRYSTAL                                                              
REMARK 280 SOLVENT CONTENT, VS   (%): 51.71                                     
REMARK 280 MATTHEWS COEFFICIENT, VM (ANGSTROMS**3/DA): 2.55                     
REMARK 280                                                                      
REMARK 280 CRYSTALLIZATION CONDITIONS: 50 MM BICINE-NAOH PH 7.8, 10% PEG        
REMARK 280  8000, 2 MM SPERMINE, VAPOR DIFFUSION, TEMPERATURE 293K              
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       91.54300            
REMARK 290   SMTRY2   3  0.000000  1.000000  0.000000       29.70165            
REMARK 290   SMTRY3   3  0.000000  0.000000  1.000000        0.00000            
REMARK 290   SMTRY1   4 -1.000000  0.000000  0.000000       91.54300            
REMARK 290   SMTRY2   4  0.000000  1.000000  0.000000       29.70165            
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 SOFTWARE DETERMINED QUATERNARY STRUCTURE: TETRAMERIC                 
REMARK 350 SOFTWARE USED: PISA                                                  
REMARK 350 TOTAL BURIED SURFACE AREA: 10660 ANGSTROM**2                         
REMARK 350 SURFACE AREA OF THE COMPLEX: 42050 ANGSTROM**2                       
REMARK 350 CHANGE IN SOLVENT FREE ENERGY: -37.0 KCAL/MOL                        
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        0.00000            
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 375                                                                      
REMARK 375 SPECIAL POSITION                                                     
REMARK 375 THE FOLLOWING ATOMS ARE FOUND TO BE WITHIN 0.15 ANGSTROMS            
REMARK 375 OF A SYMMETRY RELATED ATOM AND ARE ASSUMED TO BE ON SPECIAL          
REMARK 375 POSITIONS.                                                           
REMARK 375                                                                      
REMARK 375 ATOM RES CSSEQI                                                      
REMARK 375      HOH B 564  LIES ON A SPECIAL POSITION.                          
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   190                                                      
REMARK 465     LEU A   191                                                      
REMARK 465     PRO A   192                                                      
REMARK 465     MET B     1                                                      
REMARK 465     ILE B   397                                                      
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   379     O    HOH B   501              2.12            
REMARK 500   O    HOH A   501     O    HOH B   572              2.15            
REMARK 500   O    HOH B   566     O    HOH B   916              2.16            
REMARK 500   OE2  GLU B   172     O    HOH B   502              2.17            
REMARK 500   O    ASN A   108     O    HOH A   501              2.17            
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   O    HOH B   506     O    HOH B   506     2555     2.11            
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    PHE A 212      119.68     95.93                                   
REMARK 500    THR B 165     -159.61   -133.13                                   
REMARK 500    LEU B 391       24.22    -78.09                                   
REMARK 500                                                                      
REMARK 500 REMARK: NULL                                                         
REMARK 525                                                                      
REMARK 525 SOLVENT                                                              
REMARK 525                                                                      
REMARK 525 THE SOLVENT MOLECULES HAVE CHAIN IDENTIFIERS THAT                    
REMARK 525 INDICATE THE POLYMER CHAIN WITH WHICH THEY ARE MOST                  
REMARK 525 CLOSELY ASSOCIATED. THE REMARK LISTS ALL THE SOLVENT                 
REMARK 525 MOLECULES WHICH ARE MORE THAN 5A AWAY FROM THE                       
REMARK 525 NEAREST POLYMER CHAIN (M = MODEL NUMBER;                             
REMARK 525 RES=RESIDUE NAME; C=CHAIN IDENTIFIER; SSEQ=SEQUENCE                  
REMARK 525 NUMBER; I=INSERTION CODE):                                           
REMARK 525                                                                      
REMARK 525  M RES CSSEQI                                                        
REMARK 525    HOH A 751        DISTANCE =  6.27 ANGSTROMS                       
REMARK 525    HOH B 938        DISTANCE =  6.40 ANGSTROMS                       
REMARK 525    HOH B 939        DISTANCE =  6.52 ANGSTROMS                       
REMARK 800                                                                      
REMARK 800 SITE                                                                 
REMARK 800 SITE_IDENTIFIER: AC1                                                 
REMARK 800 EVIDENCE_CODE: SOFTWARE                                              
REMARK 800 SITE_DESCRIPTION: binding site for residue F9F A 400                 
REMARK 800                                                                      
REMARK 800 SITE_IDENTIFIER: AC2                                                 
REMARK 800 EVIDENCE_CODE: SOFTWARE                                              
REMARK 800 SITE_DESCRIPTION: binding site for residue 0JO B 401                 
REMARK 800                                                                      
REMARK 800 SITE_IDENTIFIER: AC3                                                 
REMARK 800 EVIDENCE_CODE: SOFTWARE                                              
REMARK 800 SITE_DESCRIPTION: binding site for residue NH4 B 402                 
DBREF1 7MT4 A    1   268  UNP                  A0A0D6FWC1_SALTM                 
DBREF2 7MT4 A     A0A0D6FWC1                          1         268             
DBREF  7MT4 B    1   397  UNP    P0A2K1   TRPB_SALTY       1    397             
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 SER 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 LYS 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    F9F  A 400      22                                                       
HET    0JO  B 401      21                                                       
HET    NH4  B 402       1                                                       
HETNAM     F9F 2-({[4-(TRIFLUOROMETHOXY)PHENYL]SULFONYL}AMINO)ETHYL             
HETNAM   2 F9F  DIHYDROGEN PHOSPHATE                                            
HETNAM     0JO 2-{[(E)-{3-HYDROXY-2-METHYL-5-[(PHOSPHONOOXY)                    
HETNAM   2 0JO  METHYL]PYRIDIN-4-YL}METHYLIDENE]AMINO}PROP-2-ENOIC              
HETNAM   3 0JO  ACID                                                            
HETNAM     NH4 AMMONIUM ION                                                     
HETSYN     F9F N-(4'-TRIFLUOROMETHOXYBENZENESULFONYL)-2-AMINO-1-                
HETSYN   2 F9F  ETHYLPHOSPHATE, F9                                              
FORMUL   3  F9F    C9 H11 F3 N O7 P S                                           
FORMUL   4  0JO    C11 H13 N2 O7 P                                              
FORMUL   5  NH4    H4 N 1+                                                      
FORMUL   6  HOH   *690(H2 O)                                                    
HELIX    1 AA1 GLU A    2  ARG A   14  1                                  13    
HELIX    2 AA2 GLY A   29  ALA A   43  1                                  15    
HELIX    3 AA3 GLY A   61  ALA A   74  1                                  14    
HELIX    4 AA4 THR A   77  HIS A   92  1                                  16    
HELIX    5 AA5 TYR A  102  ASN A  108  1                                   7    
HELIX    6 AA6 GLY A  110  GLY A  122  1                                  13    
HELIX    7 AA7 PRO A  132  GLU A  135  5                                   4    
HELIX    8 AA8 SER A  136  HIS A  146  1                                  11    
HELIX    9 AA9 ASP A  159  GLY A  170  1                                  12    
HELIX   10 AB1 HIS A  194  TYR A  203  1                                  10    
HELIX   11 AB2 SER A  216  GLY A  227  1                                  12    
HELIX   12 AB3 GLY A  234  ASN A  244  1                                  11    
HELIX   13 AB4 SER A  247  ARG A  267  1                                  21    
HELIX   14 AB5 PRO B   18  ILE B   20  5                                   3    
HELIX   15 AB6 LEU B   21  LYS B   37  1                                  17    
HELIX   16 AB7 ASP B   38  TYR B   52  1                                  15    
HELIX   17 AB8 ASP B   79  LEU B   81  5                                   3    
HELIX   18 AB9 LYS B   87  MET B  101  1                                  15    
HELIX   19 AC1 GLY B  113  GLY B  127  1                                  15    
HELIX   20 AC2 ALA B  136  GLN B  142  1                                   7    
HELIX   21 AC3 GLN B  142  MET B  152  1                                  11    
HELIX   22 AC4 THR B  165  TYR B  181  1                                  17    
HELIX   23 AC5 PRO B  196  PHE B  204  1                                   9    
HELIX   24 AC6 ARG B  206  GLY B  221  1                                  16    
HELIX   25 AC7 GLY B  234  ALA B  242  1                                   9    
HELIX   26 AC8 ASP B  243  ILE B  245  5                                   3    
HELIX   27 AC9 GLY B  261  GLY B  265  5                                   5    
HELIX   28 AD1 ALA B  269  GLY B  274  1                                   6    
HELIX   29 AD2 SER B  301  ASP B  305  5                                   5    
HELIX   30 AD3 GLY B  310  ILE B  319  1                                  10    
HELIX   31 AD4 ASP B  329  GLY B  344  1                                  16    
HELIX   32 AD5 ALA B  348  GLN B  365  1                                  18    
HELIX   33 AD6 GLY B  380  LYS B  382  5                                   3    
HELIX   34 AD7 ASP B  383  LEU B  391  1                                   9    
SHEET    1 AA1 9 ALA A 149  ILE A 151  0                                        
SHEET    2 AA1 9 SER A 125  VAL A 128  1  N  VAL A 126   O  ILE A 151           
SHEET    3 AA1 9 ILE A  97  MET A 101  1  N  MET A 101   O  LEU A 127           
SHEET    4 AA1 9 LEU A  48  GLY A  51  1  N  LEU A  50   O  GLY A  98           
SHEET    5 AA1 9 ALA A  18  THR A  24  1  N  VAL A  23   O  GLY A  51           
SHEET    6 AA1 9 GLY A 230  SER A 233  1  O  ALA A 231   N  VAL A  20           
SHEET    7 AA1 9 ALA A 208  GLY A 211  1  N  GLN A 210   O  ILE A 232           
SHEET    8 AA1 9 THR A 174  LEU A 177  1  N  LEU A 176   O  LEU A 209           
SHEET    9 AA1 9 ILE A 153  CYS A 154  1  N  CYS A 154   O  TYR A 175           
SHEET    1 AA2 4 TYR B   8  PHE B   9  0                                        
SHEET    2 AA2 4 PHE B  12  TYR B  16 -1  O  PHE B  12   N  PHE B   9           
SHEET    3 AA2 4 GLY B 281  MET B 286 -1  O  LYS B 283   N  GLY B  13           
SHEET    4 AA2 4 ARG B 275  TYR B 279 -1  N  ARG B 275   O  MET B 286           
SHEET    1 AA3 6 LEU B  59  LYS B  61  0                                        
SHEET    2 AA3 6 THR B  71  ARG B  77 -1  O  LEU B  75   N  THR B  60           
SHEET    3 AA3 6 GLN B 370  LEU B 376  1  O  LEU B 372   N  THR B  72           
SHEET    4 AA3 6 ALA B 226  CYS B 230  1  N  ILE B 228   O  VAL B 373           
SHEET    5 AA3 6 GLY B 251  GLY B 259  1  O  ILE B 253   N  VAL B 227           
SHEET    6 AA3 6 ALA B 322  THR B 328  1  O  ILE B 327   N  GLY B 258           
SHEET    1 AA4 4 GLU B 155  VAL B 159  0                                        
SHEET    2 AA4 4 LYS B 129  GLY B 135  1  N  ILE B 132   O  GLU B 155           
SHEET    3 AA4 4 GLU B 105  THR B 110  1  N  ILE B 106   O  LYS B 129           
SHEET    4 AA4 4 ALA B 184  TYR B 186  1  O  HIS B 185   N  GLU B 105           
CISPEP   1 ASP A   27    PRO A   28          0         6.20                     
CISPEP   2 ARG B   55    PRO B   56          0        -0.26                     
CISPEP   3 HIS B  195    PRO B  196          0        10.56                     
SITE     1 AC1 20 PHE A  22  GLU A  49  ALA A  59  ILE A  64                    
SITE     2 AC1 20 LEU A 100  LEU A 127  ALA A 129  ILE A 153                    
SITE     3 AC1 20 TYR A 175  THR A 183  GLY A 184  PHE A 212                    
SITE     4 AC1 20 GLY A 213  GLY A 234  SER A 235  HOH A 535                    
SITE     5 AC1 20 HOH A 554  HOH A 597  HOH A 713  PRO B  18                    
SITE     1 AC2 22 HIS B  86  LYS B  87  THR B 110  GLY B 111                    
SITE     2 AC2 22 ALA B 112  GLY B 113  GLN B 114  HIS B 115                    
SITE     3 AC2 22 THR B 190  CYS B 230  GLY B 232  GLY B 233                    
SITE     4 AC2 22 GLY B 234  SER B 235  ASN B 236  GLY B 303                    
SITE     5 AC2 22 GLU B 350  SER B 377  GLY B 378  HOH B 644                    
SITE     6 AC2 22 HOH B 693  HOH B 721                                          
SITE     1 AC3  6 VAL B 231  GLY B 232  GLU B 256  GLY B 268                    
SITE     2 AC3  6 SER B 308  HOH B 581                                          
CRYST1  183.086   59.403   67.343  90.00  94.91  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      0.005462  0.000000  0.000469        0.00000                         
SCALE2      0.000000  0.016834  0.000000        0.00000                         
SCALE3      0.000000  0.000000  0.014904        0.00000