HEADER    BIOSYNTHETIC PROTEIN                    26-AUG-20   7JX1              
TITLE     E. COLI TSASE COMPLEX WITH A BI-SUBSTRATE REACTION INTERMEDIATE ANALOG
COMPND    MOL_ID: 1;                                                            
COMPND   2 MOLECULE: THYMIDYLATE SYNTHASE;                                      
COMPND   3 CHAIN: A, B;                                                         
COMPND   4 SYNONYM: TSASE;                                                      
COMPND   5 EC: 2.1.1.45;                                                        
COMPND   6 ENGINEERED: YES                                                      
SOURCE    MOL_ID: 1;                                                            
SOURCE   2 ORGANISM_SCIENTIFIC: ESCHERICHIA COLI;                               
SOURCE   3 ORGANISM_TAXID: 562;                                                 
SOURCE   4 GENE: THYA;                                                          
SOURCE   5 EXPRESSION_SYSTEM: ESCHERICHIA COLI;                                 
SOURCE   6 EXPRESSION_SYSTEM_TAXID: 562                                         
KEYWDS    NON COVALENT INTERMEDIATE, HALF-SITES ACTIVITY, TMP SYNTHESIS,        
KEYWDS   2 INHIBITOR, BIOSYNTHETIC PROTEIN                                      
EXPDTA    X-RAY DIFFRACTION                                                     
AUTHOR    J.FINER-MOORE,S.A.KHOLODAR,R.M.STROUD,A.KOHEN                         
REVDAT   4   25-DEC-24 7JX1    1       LINK                                     
REVDAT   3   18-OCT-23 7JX1    1       REMARK                                   
REVDAT   2   05-MAY-21 7JX1    1       JRNL                                     
REVDAT   1   21-APR-21 7JX1    0                                                
JRNL        AUTH   S.A.KHOLODAR,J.S.FINER-MOORE,K.SWIDEREK,K.ARAFET,V.MOLINER,  
JRNL        AUTH 2 R.M.STROUD,A.KOHEN                                           
JRNL        TITL   CAUGHT IN ACTION: X-RAY STRUCTURE OF THYMIDYLATE SYNTHASE    
JRNL        TITL 2 WITH NONCOVALENT INTERMEDIATE ANALOG.                        
JRNL        REF    BIOCHEMISTRY                  V.  60  1243 2021              
JRNL        REFN                   ISSN 0006-2960                               
JRNL        PMID   33829766                                                     
JRNL        DOI    10.1021/ACS.BIOCHEM.1C00063                                  
REMARK   1                                                                      
REMARK   1 REFERENCE 1                                                          
REMARK   1  AUTH   S.A.KHOLODAR,A.K.GHOSH,K.SWIDEREK,V.MOLINER,A.KOHEN          
REMARK   1  TITL   PARALLEL REACTION PATHWAYS AND NONCOVALENT INTERMEDIATES IN  
REMARK   1  TITL 2 THYMIDYLATE SYNTHASE REVEALED BY EXPERIMENTAL AND            
REMARK   1  TITL 3 COMPUTATIONAL TOOLS.                                         
REMARK   1  REF    PROC. NATL. ACAD. SCI.        V. 115 10311 2018              
REMARK   1  REF  2 U.S.A.                                                       
REMARK   1  REFN                   ESSN 1091-6490                               
REMARK   1  PMID   30249644                                                     
REMARK   1  DOI    10.1073/PNAS.1811059115                                      
REMARK   2                                                                      
REMARK   2 RESOLUTION.    1.82 ANGSTROMS.                                       
REMARK   3                                                                      
REMARK   3 REFINEMENT.                                                          
REMARK   3   PROGRAM     : PHENIX 1.17.1_3660                                   
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 : GEOSTD + MONOMER LIBRARY + CDL V1.2           
REMARK   3                                                                      
REMARK   3  DATA USED IN REFINEMENT.                                            
REMARK   3   RESOLUTION RANGE HIGH (ANGSTROMS) : 1.82                           
REMARK   3   RESOLUTION RANGE LOW  (ANGSTROMS) : 109.10                         
REMARK   3   MIN(FOBS/SIGMA_FOBS)              : 1.330                          
REMARK   3   COMPLETENESS FOR RANGE        (%) : 97.4                           
REMARK   3   NUMBER OF REFLECTIONS             : 53310                          
REMARK   3                                                                      
REMARK   3  FIT TO DATA USED IN REFINEMENT.                                     
REMARK   3   R VALUE     (WORKING + TEST SET) : 0.152                           
REMARK   3   R VALUE            (WORKING SET) : 0.151                           
REMARK   3   FREE R VALUE                     : 0.190                           
REMARK   3   FREE R VALUE TEST SET SIZE   (%) : 3.720                           
REMARK   3   FREE R VALUE TEST SET COUNT      : 1984                            
REMARK   3                                                                      
REMARK   3  FIT TO DATA USED IN REFINEMENT (IN BINS).                           
REMARK   3   BIN  RESOLUTION RANGE  COMPL.    NWORK NFREE   RWORK  RFREE        
REMARK   3     1109.1000 -  4.3900    1.00     3878   154  0.1424 0.1774        
REMARK   3     2  4.3800 -  3.4800    1.00     3780   142  0.1150 0.1423        
REMARK   3     3  3.4800 -  3.0400    1.00     3784   148  0.1448 0.1609        
REMARK   3     4  3.0400 -  2.7600    1.00     3765   145  0.1581 0.2147        
REMARK   3     5  2.7600 -  2.5600    1.00     3755   149  0.1517 0.2104        
REMARK   3     6  2.5600 -  2.4100    1.00     3778   147  0.1467 0.1978        
REMARK   3     7  2.4100 -  2.2900    1.00     3767   142  0.1449 0.2033        
REMARK   3     8  2.2900 -  2.1900    1.00     3730   146  0.1502 0.2186        
REMARK   3     9  2.1900 -  2.1100    1.00     3776   146  0.1602 0.1965        
REMARK   3    10  2.1100 -  2.0400    1.00     3721   147  0.1734 0.2325        
REMARK   3    11  2.0400 -  1.9700    1.00     3750   142  0.2038 0.2778        
REMARK   3    12  1.9700 -  1.9200    1.00     3738   142  0.2591 0.2965        
REMARK   3    13  1.9200 -  1.8600    0.97     3620   141  0.3334 0.3643        
REMARK   3    14  1.8600 -  1.8200    0.66     2484    93  0.3866 0.4259        
REMARK   3                                                                      
REMARK   3  BULK SOLVENT MODELLING.                                             
REMARK   3   METHOD USED        : FLAT BULK SOLVENT MODEL                       
REMARK   3   SOLVENT RADIUS     : 1.11                                          
REMARK   3   SHRINKAGE RADIUS   : 0.90                                          
REMARK   3   K_SOL              : NULL                                          
REMARK   3   B_SOL              : NULL                                          
REMARK   3                                                                      
REMARK   3  ERROR ESTIMATES.                                                    
REMARK   3   COORDINATE ERROR (MAXIMUM-LIKELIHOOD BASED)     : 0.256            
REMARK   3   PHASE ERROR (DEGREES, MAXIMUM-LIKELIHOOD BASED) : 21.457           
REMARK   3                                                                      
REMARK   3  B VALUES.                                                           
REMARK   3   FROM WILSON PLOT           (A**2) : 35.33                          
REMARK   3   MEAN B VALUE      (OVERALL, A**2) : 43.84                          
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      :  0.012           4916                                  
REMARK   3   ANGLE     :  1.200           6736                                  
REMARK   3   CHIRALITY :  0.061            694                                  
REMARK   3   PLANARITY :  0.007            882                                  
REMARK   3   DIHEDRAL  : 19.274            706                                  
REMARK   3                                                                      
REMARK   3  TLS DETAILS                                                         
REMARK   3   NUMBER OF TLS GROUPS  : 1                                          
REMARK   3   TLS GROUP : 1                                                      
REMARK   3    SELECTION: ALL                                                    
REMARK   3    ORIGIN FOR THE GROUP (A): -30.2852  27.1076 -11.3719              
REMARK   3    T TENSOR                                                          
REMARK   3      T11:   0.2363 T22:   0.2312                                     
REMARK   3      T33:   0.2425 T12:  -0.0028                                     
REMARK   3      T13:  -0.0049 T23:  -0.0275                                     
REMARK   3    L TENSOR                                                          
REMARK   3      L11:   0.7648 L22:   0.7531                                     
REMARK   3      L33:   0.6933 L12:   0.0747                                     
REMARK   3      L13:  -0.2553 L23:   0.0782                                     
REMARK   3    S TENSOR                                                          
REMARK   3      S11:   0.0114 S12:  -0.0415 S13:   0.1627                       
REMARK   3      S21:   0.0237 S22:   0.0115 S23:   0.0653                       
REMARK   3      S31:  -0.0384 S32:   0.0026 S33:  -0.0258                       
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 7JX1 COMPLIES WITH FORMAT V. 3.30, 13-JUL-11                         
REMARK 100                                                                      
REMARK 100 THIS ENTRY HAS BEEN PROCESSED BY RCSB ON 27-AUG-20.                  
REMARK 100 THE DEPOSITION ID IS D_1000251127.                                   
REMARK 200                                                                      
REMARK 200 EXPERIMENTAL DETAILS                                                 
REMARK 200  EXPERIMENT TYPE                : X-RAY DIFFRACTION                  
REMARK 200  DATE OF DATA COLLECTION        : 19-MAR-19                          
REMARK 200  TEMPERATURE           (KELVIN) : 173                                
REMARK 200  PH                             : 7.1-7.6                            
REMARK 200  NUMBER OF CRYSTALS USED        : 1                                  
REMARK 200                                                                      
REMARK 200  SYNCHROTRON              (Y/N) : Y                                  
REMARK 200  RADIATION SOURCE               : ALS                                
REMARK 200  BEAMLINE                       : 8.3.1                              
REMARK 200  X-RAY GENERATOR MODEL          : NULL                               
REMARK 200  MONOCHROMATIC OR LAUE    (M/L) : M                                  
REMARK 200  WAVELENGTH OR RANGE        (A) : 1.116                              
REMARK 200  MONOCHROMATOR                  : DOUBLE CRYSTAL SI(111)             
REMARK 200  OPTICS                         : NULL                               
REMARK 200                                                                      
REMARK 200  DETECTOR TYPE                  : PIXEL                              
REMARK 200  DETECTOR MANUFACTURER          : DECTRIS PILATUS3 S 6M              
REMARK 200  INTENSITY-INTEGRATION SOFTWARE : XDS                                
REMARK 200  DATA SCALING SOFTWARE          : XSCALE                             
REMARK 200                                                                      
REMARK 200  NUMBER OF UNIQUE REFLECTIONS   : 53762                              
REMARK 200  RESOLUTION RANGE HIGH      (A) : 1.820                              
REMARK 200  RESOLUTION RANGE LOW       (A) : 109.100                            
REMARK 200  REJECTION CRITERIA  (SIGMA(I)) : NULL                               
REMARK 200                                                                      
REMARK 200 OVERALL.                                                             
REMARK 200  COMPLETENESS FOR RANGE     (%) : 98.1                               
REMARK 200  DATA REDUNDANCY                : 17.73                              
REMARK 200  R MERGE                    (I) : 0.10300                            
REMARK 200  R SYM                      (I) : NULL                               
REMARK 200  <I/SIGMA(I)> FOR THE DATA SET  : 17.3400                            
REMARK 200                                                                      
REMARK 200 IN THE HIGHEST RESOLUTION SHELL.                                     
REMARK 200  HIGHEST RESOLUTION SHELL, RANGE HIGH (A) : 1.82                     
REMARK 200  HIGHEST RESOLUTION SHELL, RANGE LOW  (A) : 1.87                     
REMARK 200  COMPLETENESS FOR SHELL     (%) : 76.8                               
REMARK 200  DATA REDUNDANCY IN SHELL       : 7.34                               
REMARK 200  R MERGE FOR SHELL          (I) : 3.46900                            
REMARK 200  R SYM FOR SHELL            (I) : NULL                               
REMARK 200  <I/SIGMA(I)> FOR SHELL         : 0.540                              
REMARK 200                                                                      
REMARK 200 DIFFRACTION PROTOCOL: SINGLE WAVELENGTH                              
REMARK 200 METHOD USED TO DETERMINE THE STRUCTURE: MOLECULAR REPLACEMENT        
REMARK 200 SOFTWARE USED: PHENIX 1.17.1_3660                                    
REMARK 200 STARTING MODEL: 6NNR                                                 
REMARK 200                                                                      
REMARK 200 REMARK: HEXAGONAL RODS                                               
REMARK 280                                                                      
REMARK 280 CRYSTAL                                                              
REMARK 280 SOLVENT CONTENT, VS   (%): 51.27                                     
REMARK 280 MATTHEWS COEFFICIENT, VM (ANGSTROMS**3/DA): 2.52                     
REMARK 280                                                                      
REMARK 280 CRYSTALLIZATION CONDITIONS: 5.5 MG/ML PROTEIN, 3.3 MM INHIBITOR      
REMARK 280  AND 5 MM DTT AGAINST 1.3M NACITRATE, 0.1M HEPES PH7.5, VAPOR        
REMARK 280  DIFFUSION, HANGING DROP, TEMPERATURE 295K                           
REMARK 290                                                                      
REMARK 290 CRYSTALLOGRAPHIC SYMMETRY                                            
REMARK 290 SYMMETRY OPERATORS FOR SPACE GROUP: P 63                             
REMARK 290                                                                      
REMARK 290      SYMOP   SYMMETRY                                                
REMARK 290     NNNMMM   OPERATOR                                                
REMARK 290       1555   X,Y,Z                                                   
REMARK 290       2555   -Y,X-Y,Z                                                
REMARK 290       3555   -X+Y,-X,Z                                               
REMARK 290       4555   -X,-Y,Z+1/2                                             
REMARK 290       5555   Y,-X+Y,Z+1/2                                            
REMARK 290       6555   X-Y,X,Z+1/2                                             
REMARK 290                                                                      
REMARK 290     WHERE NNN -> OPERATOR NUMBER                                     
REMARK 290           MMM -> TRANSLATION VECTOR                                  
REMARK 290                                                                      
REMARK 290 CRYSTALLOGRAPHIC SYMMETRY TRANSFORMATIONS                            
REMARK 290 THE FOLLOWING TRANSFORMATIONS OPERATE ON THE ATOM/HETATM             
REMARK 290 RECORDS IN THIS ENTRY TO PRODUCE CRYSTALLOGRAPHICALLY                
REMARK 290 RELATED MOLECULES.                                                   
REMARK 290   SMTRY1   1  1.000000  0.000000  0.000000        0.00000            
REMARK 290   SMTRY2   1  0.000000  1.000000  0.000000        0.00000            
REMARK 290   SMTRY3   1  0.000000  0.000000  1.000000        0.00000            
REMARK 290   SMTRY1   2 -0.500000 -0.866025  0.000000        0.00000            
REMARK 290   SMTRY2   2  0.866025 -0.500000  0.000000        0.00000            
REMARK 290   SMTRY3   2  0.000000  0.000000  1.000000        0.00000            
REMARK 290   SMTRY1   3 -0.500000  0.866025  0.000000        0.00000            
REMARK 290   SMTRY2   3 -0.866025 -0.500000  0.000000        0.00000            
REMARK 290   SMTRY3   3  0.000000  0.000000  1.000000        0.00000            
REMARK 290   SMTRY1   4 -1.000000  0.000000  0.000000        0.00000            
REMARK 290   SMTRY2   4  0.000000 -1.000000  0.000000        0.00000            
REMARK 290   SMTRY3   4  0.000000  0.000000  1.000000       33.67000            
REMARK 290   SMTRY1   5  0.500000  0.866025  0.000000        0.00000            
REMARK 290   SMTRY2   5 -0.866025  0.500000  0.000000        0.00000            
REMARK 290   SMTRY3   5  0.000000  0.000000  1.000000       33.67000            
REMARK 290   SMTRY1   6  0.500000 -0.866025  0.000000        0.00000            
REMARK 290   SMTRY2   6  0.866025  0.500000  0.000000        0.00000            
REMARK 290   SMTRY3   6  0.000000  0.000000  1.000000       33.67000            
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: DIMERIC                           
REMARK 350 SOFTWARE DETERMINED QUATERNARY STRUCTURE: DIMERIC                    
REMARK 350 SOFTWARE USED: PISA                                                  
REMARK 350 TOTAL BURIED SURFACE AREA: 5460 ANGSTROM**2                          
REMARK 350 SURFACE AREA OF THE COMPLEX: 19350 ANGSTROM**2                       
REMARK 350 CHANGE IN SOLVENT FREE ENERGY: -28.0 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 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     LYS A 233    NZ                                                  
REMARK 470     GLU A 237    CD   OE1  OE2                                       
REMARK 470     GLU B 237    CD   OE1  OE2                                       
REMARK 470     GLU B 248    CD   OE1  OE2                                       
REMARK 470     LYS B 259    CD   CE   NZ                                        
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  HH22  ARG A    21     O    HOH A   406              1.56            
REMARK 500   HZ2  LYS B    96     O    HOH B   405              1.57            
REMARK 500   OD2  ASP B   139     O    HOH B   401              1.98            
REMARK 500   O    HOH B   485     O    HOH B   489              2.03            
REMARK 500   OE2  GLU A     6     O    HOH A   401              2.06            
REMARK 500   O    HOH A   463     O    HOH A   481              2.10            
REMARK 500   NH2  ARG B    53     O    ASN B    76              2.14            
REMARK 500   OE2  GLU A   223     O    HOH A   402              2.15            
REMARK 500   O    HOH A   526     O    HOH B   414              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    LYS A 229   CD    LYS A 229   CE      0.165                       
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    LYS A 229   CD  -  CE  -  NZ  ANGL. DEV. =  18.3 DEGREES          
REMARK 500                                                                      
REMARK 500 REMARK: NULL                                                         
REMARK 500                                                                      
REMARK 500 GEOMETRY AND STEREOCHEMISTRY                                         
REMARK 500 SUBTOPIC: TORSION ANGLES                                             
REMARK 500                                                                      
REMARK 500 TORSION ANGLES OUTSIDE THE EXPECTED RAMACHANDRAN REGIONS:            
REMARK 500 (M=MODEL NUMBER; RES=RESIDUE NAME; C=CHAIN IDENTIFIER;               
REMARK 500 SSEQ=SEQUENCE NUMBER; I=INSERTION CODE).                             
REMARK 500                                                                      
REMARK 500 STANDARD TABLE:                                                      
REMARK 500 FORMAT:(10X,I3,1X,A3,1X,A1,I4,A1,4X,F7.2,3X,F7.2)                    
REMARK 500                                                                      
REMARK 500 EXPECTED VALUES: GJ KLEYWEGT AND TA JONES (1996). PHI/PSI-           
REMARK 500 CHOLOGY: RAMACHANDRAN REVISITED. STRUCTURE 4, 1395 - 1400            
REMARK 500                                                                      
REMARK 500  M RES CSSEQI        PSI       PHI                                   
REMARK 500    ARG A  21       92.21    -36.62                                   
REMARK 500    THR A  22     -102.86     56.09                                   
REMARK 500    ALA A 100       56.00   -160.57                                   
REMARK 500    ASP A 122       56.80   -144.50                                   
REMARK 500    GLU B  74      -19.02    -48.90                                   
REMARK 500    VAL B  93     -158.34    -88.70                                   
REMARK 500    ALA B 100       58.56   -157.28                                   
REMARK 500                                                                      
REMARK 500 REMARK: NULL                                                         
REMARK 500                                                                      
REMARK 500 GEOMETRY AND STEREOCHEMISTRY                                         
REMARK 500 SUBTOPIC: NON-CIS, NON-TRANS                                         
REMARK 500                                                                      
REMARK 500 THE FOLLOWING PEPTIDE BONDS DEVIATE SIGNIFICANTLY FROM BOTH          
REMARK 500 CIS AND TRANS CONFORMATION.  CIS BONDS, IF ANY, ARE LISTED           
REMARK 500 ON CISPEP RECORDS.  TRANS IS DEFINED AS 180 +/- 30 AND               
REMARK 500 CIS IS DEFINED AS 0 +/- 30 DEGREES.                                  
REMARK 500                                 MODEL     OMEGA                      
REMARK 500 THR A   22     GLY A   23                  142.77                    
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 569        DISTANCE =  6.94 ANGSTROMS                       
DBREF1 7JX1 A    1   264  UNP                  A0A029ILG4_ECOLX                 
DBREF2 7JX1 A     A0A029ILG4                          1         264             
DBREF1 7JX1 B    1   264  UNP                  A0A029ILG4_ECOLX                 
DBREF2 7JX1 B     A0A029ILG4                          1         264             
SEQRES   1 A  264  CXM LYS GLN TYR LEU GLU LEU MET GLN LYS VAL LEU ASP          
SEQRES   2 A  264  GLU GLY THR GLN LYS ASN ASP ARG THR GLY THR GLY THR          
SEQRES   3 A  264  LEU SER ILE PHE GLY HIS GLN MET ARG PHE ASN LEU GLN          
SEQRES   4 A  264  ASP GLY PHE PRO LEU VAL THR THR LYS ARG CYS HIS LEU          
SEQRES   5 A  264  ARG SER ILE ILE HIS GLU LEU LEU TRP PHE LEU GLN GLY          
SEQRES   6 A  264  ASP THR ASN ILE ALA TYR LEU HIS GLU ASN ASN VAL THR          
SEQRES   7 A  264  ILE TRP ASP GLU TRP ALA ASP GLU ASN GLY ASP LEU GLY          
SEQRES   8 A  264  PRO VAL TYR GLY LYS GLN TRP ARG ALA TRP PRO THR PRO          
SEQRES   9 A  264  ASP GLY ARG HIS ILE ASP GLN ILE THR THR VAL LEU ASN          
SEQRES  10 A  264  GLN LEU LYS ASN ASP PRO ASP SER ARG ARG ILE ILE VAL          
SEQRES  11 A  264  SER ALA TRP ASN VAL GLY GLU LEU ASP LYS MET ALA LEU          
SEQRES  12 A  264  ALA PRO CYS HIS ALA PHE PHE GLN PHE TYR VAL ALA ASP          
SEQRES  13 A  264  GLY LYS LEU SER CYS GLN LEU TYR GLN ARG SER CYS ASP          
SEQRES  14 A  264  VAL PHE LEU GLY LEU PRO PHE ASN ILE ALA SER TYR ALA          
SEQRES  15 A  264  LEU LEU VAL HIS MET MET ALA GLN GLN CYS ASP LEU GLU          
SEQRES  16 A  264  VAL GLY ASP PHE VAL TRP THR GLY GLY ASP THR HIS LEU          
SEQRES  17 A  264  TYR SER ASN HIS MET ASP GLN THR HIS LEU GLN LEU SER          
SEQRES  18 A  264  ARG GLU PRO ARG PRO LEU PRO LYS LEU ILE ILE LYS ARG          
SEQRES  19 A  264  LYS PRO GLU SER ILE PHE ASP TYR ARG PHE GLU ASP PHE          
SEQRES  20 A  264  GLU ILE GLU GLY TYR ASP PRO HIS PRO GLY ILE LYS ALA          
SEQRES  21 A  264  PRO VAL ALA ILE                                              
SEQRES   1 B  264  CXM LYS GLN TYR LEU GLU LEU MET GLN LYS VAL LEU ASP          
SEQRES   2 B  264  GLU GLY THR GLN LYS ASN ASP ARG THR GLY THR GLY THR          
SEQRES   3 B  264  LEU SER ILE PHE GLY HIS GLN MET ARG PHE ASN LEU GLN          
SEQRES   4 B  264  ASP GLY PHE PRO LEU VAL THR THR LYS ARG CYS HIS LEU          
SEQRES   5 B  264  ARG SER ILE ILE HIS GLU LEU LEU TRP PHE LEU GLN GLY          
SEQRES   6 B  264  ASP THR ASN ILE ALA TYR LEU HIS GLU ASN ASN VAL THR          
SEQRES   7 B  264  ILE TRP ASP GLU TRP ALA ASP GLU ASN GLY ASP LEU GLY          
SEQRES   8 B  264  PRO VAL TYR GLY LYS GLN TRP ARG ALA TRP PRO THR PRO          
SEQRES   9 B  264  ASP GLY ARG HIS ILE ASP GLN ILE THR THR VAL LEU ASN          
SEQRES  10 B  264  GLN LEU LYS ASN ASP PRO ASP SER ARG ARG ILE ILE VAL          
SEQRES  11 B  264  SER ALA TRP ASN VAL GLY GLU LEU ASP LYS MET ALA LEU          
SEQRES  12 B  264  ALA PRO CYS HIS ALA PHE PHE GLN PHE TYR VAL ALA ASP          
SEQRES  13 B  264  GLY LYS LEU SER CYS GLN LEU TYR GLN ARG SER CYS ASP          
SEQRES  14 B  264  VAL PHE LEU GLY LEU PRO PHE ASN ILE ALA SER TYR ALA          
SEQRES  15 B  264  LEU LEU VAL HIS MET MET ALA GLN GLN CYS ASP LEU GLU          
SEQRES  16 B  264  VAL GLY ASP PHE VAL TRP THR GLY GLY ASP THR HIS LEU          
SEQRES  17 B  264  TYR SER ASN HIS MET ASP GLN THR HIS LEU GLN LEU SER          
SEQRES  18 B  264  ARG GLU PRO ARG PRO LEU PRO LYS LEU ILE ILE LYS ARG          
SEQRES  19 B  264  LYS PRO GLU SER ILE PHE ASP TYR ARG PHE GLU ASP PHE          
SEQRES  20 B  264  GLU ILE GLU GLY TYR ASP PRO HIS PRO GLY ILE LYS ALA          
SEQRES  21 B  264  PRO VAL ALA ILE                                              
MODRES 7JX1 CXM A    1  MET  MODIFIED RESIDUE                                   
MODRES 7JX1 CXM B    1  MET  MODIFIED RESIDUE                                   
HET    CXM  A   1      20                                                       
HET    CXM  B   1      20                                                       
HET    VLA  A 301      32                                                       
HET    TMP  A 302      34                                                       
HET    VLD  B 301     109                                                       
HET    PO4  B 302       5                                                       
HETNAM     CXM N-CARBOXYMETHIONINE                                              
HETNAM     VLA N-(4-{[(2,4-DIAMINO-7,8-DIHYDROPYRIDO[3,2-D]PYRIMIDIN-           
HETNAM   2 VLA  6-YL)METHYL]AMINO}BENZENE-1-CARBONYL)-L-GLUTAMIC ACID           
HETNAM     TMP THYMIDINE-5'-PHOSPHATE                                           
HETNAM     VLD (2S)-2-({4-[({(6R)-2,4-DIAMINO-5-[(1-{(2R,4S,5R)-4-              
HETNAM   2 VLD  HYDROXY-5-[(PHOSPHONOOXY)METHYL]TETRAHYDROFURAN-2-YL}-          
HETNAM   3 VLD  2,4-DIOXO-1,2,3,4-TETRAHYDROPYRIMIDIN-5-YL)METHYL]-5,           
HETNAM   4 VLD  6,7,8-TETRAHYDROPYRIDO[3,2-D]PYRIMIDIN-6-YL}METHYL)             
HETNAM   5 VLD  AMINO]BENZOYL}AMINO)PENTANEDIOIC ACID (NON-PREFERRED            
HETNAM   6 VLD  NAME)                                                           
HETNAM     PO4 PHOSPHATE ION                                                    
FORMUL   1  CXM    2(C6 H11 N O4 S)                                             
FORMUL   3  VLA    C20 H23 N7 O5                                                
FORMUL   4  TMP    C10 H15 N2 O8 P                                              
FORMUL   5  VLD    C30 H38 N9 O13 P                                             
FORMUL   6  PO4    O4 P 3-                                                      
FORMUL   7  HOH   *263(H2 O)                                                    
HELIX    1 AA1 CXM A    1  GLY A   15  1                                  15    
HELIX    2 AA2 GLN A   39  GLY A   41  5                                   3    
HELIX    3 AA3 HIS A   51  GLN A   64  1                                  14    
HELIX    4 AA4 ILE A   69  ASN A   75  1                                   7    
HELIX    5 AA5 TRP A   80  ALA A   84  5                                   5    
HELIX    6 AA6 VAL A   93  ALA A  100  1                                   8    
HELIX    7 AA7 ASP A  110  ASP A  122  1                                  13    
HELIX    8 AA8 ASN A  134  MET A  141  5                                   8    
HELIX    9 AA9 GLY A  173  CYS A  192  1                                  20    
HELIX   10 AB1 HIS A  212  SER A  221  1                                  10    
HELIX   11 AB2 ARG A  243  GLU A  245  5                                   3    
HELIX   12 AB3 LYS B    2  GLY B   15  1                                  14    
HELIX   13 AB4 HIS B   51  GLN B   64  1                                  14    
HELIX   14 AB5 ILE B   69  ASN B   75  1                                   7    
HELIX   15 AB6 VAL B   93  ALA B  100  1                                   8    
HELIX   16 AB7 ASP B  110  ASP B  122  1                                  13    
HELIX   17 AB8 ASN B  134  MET B  141  5                                   8    
HELIX   18 AB9 LEU B  172  CYS B  192  1                                  21    
HELIX   19 AC1 HIS B  212  SER B  221  1                                  10    
HELIX   20 AC2 ARG B  243  GLU B  245  5                                   3    
SHEET    1 AA1 6 THR A  16  LYS A  18  0                                        
SHEET    2 AA1 6 THR A  26  ASN A  37 -1  O  THR A  26   N  LYS A  18           
SHEET    3 AA1 6 GLU A 195  TYR A 209 -1  O  TRP A 201   N  MET A  34           
SHEET    4 AA1 6 LYS A 158  ASP A 169  1  N  GLN A 165   O  THR A 202           
SHEET    5 AA1 6 HIS A 147  ALA A 155 -1  N  TYR A 153   O  SER A 160           
SHEET    6 AA1 6 ILE A 129  SER A 131 -1  N  VAL A 130   O  PHE A 150           
SHEET    1 AA2 2 TRP A 101  PRO A 102  0                                        
SHEET    2 AA2 2 HIS A 108  ILE A 109 -1  O  ILE A 109   N  TRP A 101           
SHEET    1 AA3 2 LYS A 229  ILE A 232  0                                        
SHEET    2 AA3 2 PHE A 247  GLU A 250 -1  O  GLU A 250   N  LYS A 229           
SHEET    1 AA4 6 THR B  16  LYS B  18  0                                        
SHEET    2 AA4 6 THR B  26  ASN B  37 -1  O  SER B  28   N  THR B  16           
SHEET    3 AA4 6 GLU B 195  TYR B 209 -1  O  PHE B 199   N  PHE B  36           
SHEET    4 AA4 6 LYS B 158  ASP B 169  1  N  LEU B 159   O  GLU B 195           
SHEET    5 AA4 6 HIS B 147  ALA B 155 -1  N  TYR B 153   O  SER B 160           
SHEET    6 AA4 6 ILE B 128  SER B 131 -1  N  ILE B 128   O  PHE B 152           
SHEET    1 AA5 2 TRP B 101  PRO B 102  0                                        
SHEET    2 AA5 2 HIS B 108  ILE B 109 -1  O  ILE B 109   N  TRP B 101           
SHEET    1 AA6 2 LYS B 229  ILE B 232  0                                        
SHEET    2 AA6 2 PHE B 247  GLU B 250 -1  O  GLU B 248   N  ILE B 231           
LINK         C   CXM A   1                 N   LYS A   2     1555   1555  1.30  
LINK         C   CXM B   1                 N   LYS B   2     1555   1555  1.33  
CRYST1  125.980  125.980   67.340  90.00  90.00 120.00 P 63         12          
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      0.007938  0.004583  0.000000        0.00000                         
SCALE2      0.000000  0.009166  0.000000        0.00000                         
SCALE3      0.000000  0.000000  0.014850        0.00000                         
HETATM    1  N   CXM A   1     -21.850  20.217 -31.409  1.00 31.44           N  
ANISOU    1  N   CXM A   1     4357   4150   3438   -198     88    -39       N  
HETATM    2  CA  CXM A   1     -23.256  20.502 -31.607  1.00 25.67           C  
ANISOU    2  CA  CXM A   1     3639   3427   2689   -206     31    -14       C  
HETATM    3  CB  CXM A   1     -24.115  20.126 -30.409  1.00 30.61           C  
ANISOU    3  CB  CXM A   1     4235   4036   3360   -190     -6    -33       C  
HETATM    4  CG  CXM A   1     -24.532  18.672 -30.397  1.00 42.59           C  
ANISOU    4  CG  CXM A   1     5771   5559   4852   -194     -9    -77       C  
HETATM    5  SD  CXM A   1     -25.491  18.402 -28.881  1.00 35.87           S  
ANISOU    5  SD  CXM A   1     4883   4686   4060   -177    -44    -91       S  
HETATM    6  CE  CXM A   1     -24.386  18.659 -27.458  1.00 39.87           C  
ANISOU    6  CE  CXM A   1     5350   5167   4633   -146    -15   -100       C  
HETATM    7  C   CXM A   1     -23.265  22.010 -31.796  1.00 34.88           C  
ANISOU    7  C   CXM A   1     4796   4584   3873   -208     23     40       C  
HETATM    8  O   CXM A   1     -22.497  22.699 -31.149  1.00 31.71           O  
ANISOU    8  O   CXM A   1     4365   4161   3524   -200     47     46       O  
HETATM    9  CN  CXM A   1     -21.400  18.906 -31.736  1.00 29.85           C  
ANISOU    9  CN  CXM A   1     4178   3957   3207   -198    121    -83       C  
HETATM   10  ON1 CXM A   1     -22.133  18.123 -32.582  1.00 30.63           O  
ANISOU   10  ON1 CXM A   1     4320   4073   3243   -216    107    -99       O  
HETATM   11  ON2 CXM A   1     -20.073  18.625 -31.533  1.00 32.33           O  
ANISOU   11  ON2 CXM A   1     4474   4265   3545   -185    175   -105       O  
HETATM   12  H   CXM A   1     -21.699  20.321 -30.569  1.00 37.74           H  
HETATM   13  HA  CXM A   1     -23.626  19.995 -32.347  1.00 30.82           H  
HETATM   14  HB2 CXM A   1     -24.914  20.676 -30.417  1.00 36.75           H  
HETATM   15  HB3 CXM A   1     -23.614  20.310 -29.600  1.00 36.75           H  
HETATM   16  HG2 CXM A   1     -23.747  18.101 -30.401  1.00 51.12           H  
HETATM   17  HG3 CXM A   1     -25.077  18.476 -31.175  1.00 51.12           H  
HETATM   18  HE1 CXM A   1     -24.878  18.510 -26.636  1.00 47.86           H  
HETATM   19  HE2 CXM A   1     -24.047  19.568 -27.472  1.00 47.86           H  
HETATM   20  HE3 CXM A   1     -23.644  18.036 -27.508  1.00 47.86           H