HEADER    TRANSFERASE/INHIBITOR                   23-JAN-23   8FX3              
TITLE     CRYSTAL STRUCTURE OF THE TRYPANOSOMA CRUZI HYPOXANTHINE-GUANINE-      
TITLE    2 XANTHINE PHOSPHORIBOSYLTRANSFERASE (HGXPRT), ISOFORM D, BOUND TO     
TITLE    3 IMMUCILLIN-GP, SHOWING THE STRUCTURE OF THE COMPLETE ACTIVE SITE IN  
TITLE    4 ITS OPEN CONFORMATION                                                
COMPND    MOL_ID: 1;                                                            
COMPND   2 MOLECULE: HYPOXANTHINE-GUANINE PHOSPHORIBOSYLTRANSFERASE;            
COMPND   3 CHAIN: A, B;                                                         
COMPND   4 EC: 2.4.2.8;                                                         
COMPND   5 ENGINEERED: YES                                                      
SOURCE    MOL_ID: 1;                                                            
SOURCE   2 ORGANISM_SCIENTIFIC: TRYPANOSOMA CRUZI (STRAIN CL BRENER);           
SOURCE   3 ORGANISM_TAXID: 353153;                                              
SOURCE   4 GENE: ECC02_007666;                                                  
SOURCE   5 EXPRESSION_SYSTEM: ESCHERICHIA COLI;                                 
SOURCE   6 EXPRESSION_SYSTEM_TAXID: 562                                         
KEYWDS    HYPOXANTHINE-GUANINE-XANTHINE PHOSPHORIBOSYLTRANSFERASE, INHIBITOR,   
KEYWDS   2 HGXPRT, TRANSFERASE-INHIBITOR COMPLEX                                
EXPDTA    X-RAY DIFFRACTION                                                     
AUTHOR    R.HUGHES,K.M.MENEELY,K.GLOCKZIN,K.SUTHAGAR,P.C.TYLER,A.L.LAMB,        
AUTHOR   2 T.D.MEEK,A.KATZFUSS                                                  
REVDAT   4   22-NOV-23 8FX3    1       SOURCE                                   
REVDAT   3   25-OCT-23 8FX3    1       REMARK                                   
REVDAT   2   26-JUL-23 8FX3    1       JRNL                                     
REVDAT   1   19-JUL-23 8FX3    0                                                
JRNL        AUTH   K.GLOCKZIN,K.M.MENEELY,R.HUGHES,S.W.MAATOUK,G.E.PINA,        
JRNL        AUTH 2 K.SUTHAGAR,K.CLINCH,J.N.BUCKLER,A.L.LAMB,P.C.TYLER,T.D.MEEK, 
JRNL        AUTH 3 A.KATZFUSS                                                   
JRNL        TITL   KINETIC AND STRUCTURAL CHARACTERIZATION OF TRYPANOSOMA CRUZI 
JRNL        TITL 2 HYPOXANTHINE-GUANINE-XANTHINE PHOSPHORIBOSYLTRANSFERASES AND 
JRNL        TITL 3 REPURPOSING OF TRANSITION-STATE ANALOGUE INHIBITORS.         
JRNL        REF    BIOCHEMISTRY                  V.  62  2182 2023              
JRNL        REFN                   ISSN 0006-2960                               
JRNL        PMID   37418678                                                     
JRNL        DOI    10.1021/ACS.BIOCHEM.3C00116                                  
REMARK   2                                                                      
REMARK   2 RESOLUTION.    1.31 ANGSTROMS.                                       
REMARK   3                                                                      
REMARK   3 REFINEMENT.                                                          
REMARK   3   PROGRAM     : PHENIX 1.18.2_3874                                   
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) : 1.31                           
REMARK   3   RESOLUTION RANGE LOW  (ANGSTROMS) : 49.88                          
REMARK   3   MIN(FOBS/SIGMA_FOBS)              : 1.340                          
REMARK   3   COMPLETENESS FOR RANGE        (%) : 93.0                           
REMARK   3   NUMBER OF REFLECTIONS             : 97668                          
REMARK   3                                                                      
REMARK   3  FIT TO DATA USED IN REFINEMENT.                                     
REMARK   3   R VALUE     (WORKING + TEST SET) : 0.191                           
REMARK   3   R VALUE            (WORKING SET) : 0.190                           
REMARK   3   FREE R VALUE                     : 0.203                           
REMARK   3   FREE R VALUE TEST SET SIZE   (%) : 5.070                           
REMARK   3   FREE R VALUE TEST SET COUNT      : 4948                            
REMARK   3                                                                      
REMARK   3  FIT TO DATA USED IN REFINEMENT (IN BINS).                           
REMARK   3   BIN  RESOLUTION RANGE  COMPL.    NWORK NFREE   RWORK  RFREE        
REMARK   3     1 49.8800 -  4.0700    1.00     3580   181  0.1777 0.1812        
REMARK   3     2  4.0700 -  3.2300    0.99     3380   167  0.1730 0.1873        
REMARK   3     3  3.2300 -  2.8200    0.99     3375   169  0.1919 0.1914        
REMARK   3     4  2.8200 -  2.5600    0.99     3343   186  0.1875 0.2003        
REMARK   3     5  2.5600 -  2.3800    1.00     3330   198  0.1829 0.2213        
REMARK   3     6  2.3800 -  2.2400    1.00     3298   186  0.1750 0.1848        
REMARK   3     7  2.2400 -  2.1300    1.00     3361   172  0.1745 0.1954        
REMARK   3     8  2.1300 -  2.0300    1.00     3317   186  0.1806 0.1960        
REMARK   3     9  2.0300 -  1.9600    1.00     3327   152  0.1827 0.2183        
REMARK   3    10  1.9600 -  1.8900    1.00     3346   166  0.1898 0.1815        
REMARK   3    11  1.8900 -  1.8300    1.00     3270   189  0.1896 0.1919        
REMARK   3    12  1.8300 -  1.7800    1.00     3311   190  0.1966 0.2053        
REMARK   3    13  1.7800 -  1.7300    1.00     3317   172  0.1996 0.2134        
REMARK   3    14  1.7300 -  1.6900    1.00     3329   164  0.1959 0.2005        
REMARK   3    15  1.6900 -  1.6500    1.00     3307   177  0.2067 0.2143        
REMARK   3    16  1.6500 -  1.6100    1.00     3297   165  0.2112 0.2332        
REMARK   3    17  1.6100 -  1.5800    1.00     3284   202  0.2149 0.2270        
REMARK   3    18  1.5800 -  1.5500    1.00     3287   200  0.2253 0.2271        
REMARK   3    19  1.5500 -  1.5200    1.00     3271   183  0.2218 0.2614        
REMARK   3    20  1.5200 -  1.5000    1.00     3295   179  0.2373 0.2541        
REMARK   3    21  1.5000 -  1.4700    1.00     3316   171  0.2417 0.2773        
REMARK   3    22  1.4700 -  1.4500    1.00     3285   171  0.2549 0.2575        
REMARK   3    23  1.4500 -  1.4300    1.00     3271   178  0.2717 0.2714        
REMARK   3    24  1.4300 -  1.4100    0.97     3216   173  0.2792 0.3182        
REMARK   3    25  1.4100 -  1.3900    0.91     2956   184  0.3110 0.3022        
REMARK   3    26  1.3900 -  1.3700    0.83     2733   143  0.3280 0.3285        
REMARK   3    27  1.3700 -  1.3600    0.72     2413   109  0.3256 0.3974        
REMARK   3    28  1.3600 -  1.3400    0.60     1951    97  0.3568 0.3729        
REMARK   3    29  1.3400 -  1.3200    0.51     1688    80  0.3577 0.4263        
REMARK   3    30  1.3200 -  1.3100    0.38     1266    58  0.3758 0.3453        
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)     : 0.165            
REMARK   3   PHASE ERROR (DEGREES, MAXIMUM-LIKELIHOOD BASED) : 22.719           
REMARK   3                                                                      
REMARK   3  B VALUES.                                                           
REMARK   3   FROM WILSON PLOT           (A**2) : 21.04                          
REMARK   3   MEAN B VALUE      (OVERALL, A**2) : 25.57                          
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      :  0.016           3602                                  
REMARK   3   ANGLE     :  1.726           4884                                  
REMARK   3   CHIRALITY :  0.095            551                                  
REMARK   3   PLANARITY :  0.007            620                                  
REMARK   3   DIHEDRAL  : 23.068           1330                                  
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 8FX3 COMPLIES WITH FORMAT V. 3.30, 13-JUL-11                         
REMARK 100                                                                      
REMARK 100 THIS ENTRY HAS BEEN PROCESSED BY RCSB ON 24-JAN-23.                  
REMARK 100 THE DEPOSITION ID IS D_1000271646.                                   
REMARK 200                                                                      
REMARK 200 EXPERIMENTAL DETAILS                                                 
REMARK 200  EXPERIMENT TYPE                : X-RAY DIFFRACTION                  
REMARK 200  DATE OF DATA COLLECTION        : 16-APR-18                          
REMARK 200  TEMPERATURE           (KELVIN) : 120                                
REMARK 200  PH                             : 8.0                                
REMARK 200  NUMBER OF CRYSTALS USED        : 1                                  
REMARK 200                                                                      
REMARK 200  SYNCHROTRON              (Y/N) : Y                                  
REMARK 200  RADIATION SOURCE               : APS                                
REMARK 200  BEAMLINE                       : 23-ID-D                            
REMARK 200  X-RAY GENERATOR MODEL          : NULL                               
REMARK 200  MONOCHROMATIC OR LAUE    (M/L) : M                                  
REMARK 200  WAVELENGTH OR RANGE        (A) : 0.97937                            
REMARK 200  MONOCHROMATOR                  : NULL                               
REMARK 200  OPTICS                         : NULL                               
REMARK 200                                                                      
REMARK 200  DETECTOR TYPE                  : PIXEL                              
REMARK 200  DETECTOR MANUFACTURER          : DECTRIS PILATUS3 6M                
REMARK 200  INTENSITY-INTEGRATION SOFTWARE : XDS                                
REMARK 200  DATA SCALING SOFTWARE          : XSCALE                             
REMARK 200                                                                      
REMARK 200  NUMBER OF UNIQUE REFLECTIONS   : 97932                              
REMARK 200  RESOLUTION RANGE HIGH      (A) : 1.310                              
REMARK 200  RESOLUTION RANGE LOW       (A) : 49.880                             
REMARK 200  REJECTION CRITERIA  (SIGMA(I)) : NULL                               
REMARK 200                                                                      
REMARK 200 OVERALL.                                                             
REMARK 200  COMPLETENESS FOR RANGE     (%) : 93.1                               
REMARK 200  DATA REDUNDANCY                : 5.800                              
REMARK 200  R MERGE                    (I) : NULL                               
REMARK 200  R SYM                      (I) : NULL                               
REMARK 200  <I/SIGMA(I)> FOR THE DATA SET  : 19.9000                            
REMARK 200                                                                      
REMARK 200 IN THE HIGHEST RESOLUTION SHELL.                                     
REMARK 200  HIGHEST RESOLUTION SHELL, RANGE HIGH (A) : 1.31                     
REMARK 200  HIGHEST RESOLUTION SHELL, RANGE LOW  (A) : 1.33                     
REMARK 200  COMPLETENESS FOR SHELL     (%) : NULL                               
REMARK 200  DATA REDUNDANCY IN SHELL       : NULL                               
REMARK 200  R MERGE FOR SHELL          (I) : NULL                               
REMARK 200  R SYM FOR SHELL            (I) : NULL                               
REMARK 200  <I/SIGMA(I)> FOR SHELL         : NULL                               
REMARK 200                                                                      
REMARK 200 DIFFRACTION PROTOCOL: SINGLE WAVELENGTH                              
REMARK 200 METHOD USED TO DETERMINE THE STRUCTURE: MOLECULAR REPLACEMENT        
REMARK 200 SOFTWARE USED: PHENIX                                                
REMARK 200 STARTING MODEL: PDB ENTRY 1TC2                                       
REMARK 200                                                                      
REMARK 200 REMARK: NULL                                                         
REMARK 280                                                                      
REMARK 280 CRYSTAL                                                              
REMARK 280 SOLVENT CONTENT, VS   (%): 41.22                                     
REMARK 280 MATTHEWS COEFFICIENT, VM (ANGSTROMS**3/DA): 2.09                     
REMARK 280                                                                      
REMARK 280 CRYSTALLIZATION CONDITIONS: 0.2 M LITHIUM SULFATE, 24% PEG3350,      
REMARK 280  0.1 M HEPES, PH 8.0, VAPOR DIFFUSION, HANGING DROP, TEMPERATURE     
REMARK 280  291K                                                                
REMARK 290                                                                      
REMARK 290 CRYSTALLOGRAPHIC SYMMETRY                                            
REMARK 290 SYMMETRY OPERATORS FOR SPACE GROUP: P 21 21 21                       
REMARK 290                                                                      
REMARK 290      SYMOP   SYMMETRY                                                
REMARK 290     NNNMMM   OPERATOR                                                
REMARK 290       1555   X,Y,Z                                                   
REMARK 290       2555   -X+1/2,-Y,Z+1/2                                         
REMARK 290       3555   -X,Y+1/2,-Z+1/2                                         
REMARK 290       4555   X+1/2,-Y+1/2,-Z                                         
REMARK 290                                                                      
REMARK 290     WHERE NNN -> OPERATOR NUMBER                                     
REMARK 290           MMM -> TRANSLATION VECTOR                                  
REMARK 290                                                                      
REMARK 290 CRYSTALLOGRAPHIC SYMMETRY TRANSFORMATIONS                            
REMARK 290 THE FOLLOWING TRANSFORMATIONS OPERATE ON THE ATOM/HETATM             
REMARK 290 RECORDS IN THIS ENTRY TO PRODUCE CRYSTALLOGRAPHICALLY                
REMARK 290 RELATED MOLECULES.                                                   
REMARK 290   SMTRY1   1  1.000000  0.000000  0.000000        0.00000            
REMARK 290   SMTRY2   1  0.000000  1.000000  0.000000        0.00000            
REMARK 290   SMTRY3   1  0.000000  0.000000  1.000000        0.00000            
REMARK 290   SMTRY1   2 -1.000000  0.000000  0.000000       29.95650            
REMARK 290   SMTRY2   2  0.000000 -1.000000  0.000000        0.00000            
REMARK 290   SMTRY3   2  0.000000  0.000000  1.000000       45.00800            
REMARK 290   SMTRY1   3 -1.000000  0.000000  0.000000        0.00000            
REMARK 290   SMTRY2   3  0.000000  1.000000  0.000000       40.16800            
REMARK 290   SMTRY3   3  0.000000  0.000000 -1.000000       45.00800            
REMARK 290   SMTRY1   4  1.000000  0.000000  0.000000       29.95650            
REMARK 290   SMTRY2   4  0.000000 -1.000000  0.000000       40.16800            
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: DIMERIC                           
REMARK 350 SOFTWARE DETERMINED QUATERNARY STRUCTURE: DIMERIC                    
REMARK 350 SOFTWARE USED: PISA                                                  
REMARK 350 TOTAL BURIED SURFACE AREA: 5050 ANGSTROM**2                          
REMARK 350 SURFACE AREA OF THE COMPLEX: 18880 ANGSTROM**2                       
REMARK 350 CHANGE IN SOLVENT FREE ENERGY: -16.0 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 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     MET A     1                                                      
REMARK 465     ILE A     2                                                      
REMARK 465     SER A     3                                                      
REMARK 465     SER A     4                                                      
REMARK 465     GLN A     5                                                      
REMARK 465     GLN A     6                                                      
REMARK 465     ALA A     7                                                      
REMARK 465     MET A     8                                                      
REMARK 465     ARG A   116                                                      
REMARK 465     GLY A   117                                                      
REMARK 465     THR A   118                                                      
REMARK 465     SER A   119                                                      
REMARK 465     SER A   120                                                      
REMARK 465     THR A   121                                                      
REMARK 465     MET B     1                                                      
REMARK 465     ILE B     2                                                      
REMARK 465     SER B     3                                                      
REMARK 465     SER B     4                                                      
REMARK 465     GLN B     5                                                      
REMARK 465     GLN B     6                                                      
REMARK 465     ALA B     7                                                      
REMARK 465     MET B     8                                                      
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    ASP A 148      -92.24   -118.67                                   
REMARK 500    MET A 185      100.53   -168.31                                   
REMARK 500    ASP A 208       -3.08     71.85                                   
REMARK 500    PHE A 210       -5.23     84.24                                   
REMARK 500    ASP B 148      -87.03   -121.16                                   
REMARK 500    MET B 185      103.26   -164.90                                   
REMARK 500    ASP B 208       -5.01     75.03                                   
REMARK 500    PHE B 210       -2.87     83.24                                   
REMARK 500                                                                      
REMARK 500 REMARK: NULL                                                         
DBREF1 8FX3 A    1   231  UNP                  A0A7J6XZA2_TRYCR                 
DBREF2 8FX3 A     A0A7J6XZA2                        109         339             
DBREF1 8FX3 B    1   231  UNP                  A0A7J6XZA2_TRYCR                 
DBREF2 8FX3 B     A0A7J6XZA2                        109         339             
SEQRES   1 A  231  MET ILE SER SER GLN GLN ALA MET VAL HIS VAL VAL SER          
SEQRES   2 A  231  ARG ASN ALA GLU GLY VAL ILE VAL VAL ASP GLY LYS ALA          
SEQRES   3 A  231  TYR PRO MET ALA GLU GLU LEU VAL ALA THR GLU SER VAL          
SEQRES   4 A  231  ILE GLN ARG SER ILE LYS ALA VAL ALA LYS GLN ILE ALA          
SEQRES   5 A  231  ASP PHE TYR ARG PRO LEU SER HIS ARG ASP THR HIS GLY          
SEQRES   6 A  231  GLY GLY GLY VAL ALA PRO ILE SER ASP GLU ASN PRO LEU          
SEQRES   7 A  231  ILE ILE ILE SER VAL LEU LYS GLY SER TYR ILE PHE THR          
SEQRES   8 A  231  ALA ASP MET VAL ARG TYR LEU GLY ASP TYR GLY LEU PRO          
SEQRES   9 A  231  HIS VAL VAL ASP PHE LEU ARG VAL ALA SER TYR ARG GLY          
SEQRES  10 A  231  THR SER SER THR ASN LYS MET GLN LEU LEU ALA GLU THR          
SEQRES  11 A  231  GLN PHE LYS ALA LEU ARG GLY LYS HIS VAL LEU ILE LEU          
SEQRES  12 A  231  GLU ASP ILE VAL ASP SER GLY LYS THR LEU ARG TYR ILE          
SEQRES  13 A  231  LEU ASP LYS VAL GLN ARG GLU HIS GLN PRO ALA THR LEU          
SEQRES  14 A  231  LYS VAL CYS VAL LEU ALA ASP LYS PRO GLY GLY ARG ARG          
SEQRES  15 A  231  VAL THR MET GLN PRO ASP PHE VAL CYS LEU THR VAL PRO          
SEQRES  16 A  231  ASN LYS TYR VAL ILE GLY TYR GLY PHE GLU VAL ASN ASP          
SEQRES  17 A  231  ARG PHE ARG CYS PHE ARG HIS ILE PHE THR LEU ARG PRO          
SEQRES  18 A  231  GLY GLU ALA ARG ARG TYR PRO ALA HIS LEU                      
SEQRES   1 B  231  MET ILE SER SER GLN GLN ALA MET VAL HIS VAL VAL SER          
SEQRES   2 B  231  ARG ASN ALA GLU GLY VAL ILE VAL VAL ASP GLY LYS ALA          
SEQRES   3 B  231  TYR PRO MET ALA GLU GLU LEU VAL ALA THR GLU SER VAL          
SEQRES   4 B  231  ILE GLN ARG SER ILE LYS ALA VAL ALA LYS GLN ILE ALA          
SEQRES   5 B  231  ASP PHE TYR ARG PRO LEU SER HIS ARG ASP THR HIS GLY          
SEQRES   6 B  231  GLY GLY GLY VAL ALA PRO ILE SER ASP GLU ASN PRO LEU          
SEQRES   7 B  231  ILE ILE ILE SER VAL LEU LYS GLY SER TYR ILE PHE THR          
SEQRES   8 B  231  ALA ASP MET VAL ARG TYR LEU GLY ASP TYR GLY LEU PRO          
SEQRES   9 B  231  HIS VAL VAL ASP PHE LEU ARG VAL ALA SER TYR ARG GLY          
SEQRES  10 B  231  THR SER SER THR ASN LYS MET GLN LEU LEU ALA GLU THR          
SEQRES  11 B  231  GLN PHE LYS ALA LEU ARG GLY LYS HIS VAL LEU ILE LEU          
SEQRES  12 B  231  GLU ASP ILE VAL ASP SER GLY LYS THR LEU ARG TYR ILE          
SEQRES  13 B  231  LEU ASP LYS VAL GLN ARG GLU HIS GLN PRO ALA THR LEU          
SEQRES  14 B  231  LYS VAL CYS VAL LEU ALA ASP LYS PRO GLY GLY ARG ARG          
SEQRES  15 B  231  VAL THR MET GLN PRO ASP PHE VAL CYS LEU THR VAL PRO          
SEQRES  16 B  231  ASN LYS TYR VAL ILE GLY TYR GLY PHE GLU VAL ASN ASP          
SEQRES  17 B  231  ARG PHE ARG CYS PHE ARG HIS ILE PHE THR LEU ARG PRO          
SEQRES  18 B  231  GLY GLU ALA ARG ARG TYR PRO ALA HIS LEU                      
HET    IMU  A 301      38                                                       
HET    IMU  B 301      38                                                       
HETNAM     IMU PHOSPHORIC ACID MONO-[5-(2-AMINO-4-OXO-4,5-DIHYDRO-3H-           
HETNAM   2 IMU  PYRROLO[3,2-D]PYRIMIDIN-7-YL)-3,4-DIHYDROXY-                    
HETNAM   3 IMU  PYRROLIDIN-2-YLMETHYL] ESTER                                    
HETSYN     IMU MODIFIED QUANOSINE-5-PHOSPHATE                                   
FORMUL   3  IMU    2(C11 H16 N5 O7 P)                                           
FORMUL   5  HOH   *308(H2 O)                                                    
HELIX    1 AA1 THR A   36  ARG A   56  1                                  21    
HELIX    2 AA2 SER A   87  TYR A  101  1                                  15    
HELIX    3 AA3 GLY A  150  GLN A  165  1                                  16    
HELIX    4 AA4 PRO A  178  ARG A  181  5                                   4    
HELIX    5 AA5 PRO A  221  ALA A  224  5                                   4    
HELIX    6 AA6 THR B   36  ARG B   56  1                                  21    
HELIX    7 AA7 SER B   87  TYR B  101  1                                  15    
HELIX    8 AA8 GLY B  150  GLN B  165  1                                  16    
HELIX    9 AA9 PRO B  178  ARG B  181  5                                   4    
HELIX   10 AB1 GLY B  222  ARG B  226  5                                   5    
SHEET    1 AA1 3 VAL A  12  ARG A  14  0                                        
SHEET    2 AA1 3 ILE A  20  VAL A  22 -1  O  VAL A  21   N  SER A  13           
SHEET    3 AA1 3 LYS A  25  TYR A  27 -1  O  TYR A  27   N  ILE A  20           
SHEET    1 AA2 3 ALA A  30  ALA A  35  0                                        
SHEET    2 AA2 3 ILE A 216  LEU A 219 -1  O  ILE A 216   N  VAL A  34           
SHEET    3 AA2 3 VAL A 199  ILE A 200 -1  N  ILE A 200   O  PHE A 217           
SHEET    1 AA3 2 SER A  59  ARG A  61  0                                        
SHEET    2 AA3 2 VAL A  69  PRO A  71 -1  O  ALA A  70   N  HIS A  60           
SHEET    1 AA4 6 MET A 124  ALA A 128  0                                        
SHEET    2 AA4 6 HIS A 105  SER A 114 -1  N  ALA A 113   O  GLN A 125           
SHEET    3 AA4 6 LEU A  78  LEU A  84  1  N  LEU A  84   O  LEU A 110           
SHEET    4 AA4 6 HIS A 139  VAL A 147  1  O  LEU A 141   N  ILE A  79           
SHEET    5 AA4 6 THR A 168  ASP A 176  1  O  CYS A 172   N  ILE A 142           
SHEET    6 AA4 6 PHE A 189  THR A 193  1  O  LEU A 192   N  LEU A 174           
SHEET    1 AA5 3 VAL B  12  ARG B  14  0                                        
SHEET    2 AA5 3 ILE B  20  VAL B  22 -1  O  VAL B  21   N  SER B  13           
SHEET    3 AA5 3 LYS B  25  TYR B  27 -1  O  TYR B  27   N  ILE B  20           
SHEET    1 AA6 3 ALA B  30  ALA B  35  0                                        
SHEET    2 AA6 3 ILE B 216  LEU B 219 -1  O  ILE B 216   N  VAL B  34           
SHEET    3 AA6 3 VAL B 199  ILE B 200 -1  N  ILE B 200   O  PHE B 217           
SHEET    1 AA7 2 SER B  59  ARG B  61  0                                        
SHEET    2 AA7 2 VAL B  69  PRO B  71 -1  O  ALA B  70   N  HIS B  60           
SHEET    1 AA8 6 LYS B 123  ALA B 128  0                                        
SHEET    2 AA8 6 HIS B 105  TYR B 115 -1  N  ARG B 111   O  LEU B 127           
SHEET    3 AA8 6 LEU B  78  LEU B  84  1  N  LEU B  84   O  LEU B 110           
SHEET    4 AA8 6 HIS B 139  VAL B 147  1  O  LEU B 141   N  ILE B  79           
SHEET    5 AA8 6 THR B 168  ASP B 176  1  O  LYS B 170   N  ILE B 142           
SHEET    6 AA8 6 PHE B 189  THR B 193  1  O  PHE B 189   N  VAL B 173           
CISPEP   1 LEU A   84    LYS A   85          0        -4.04                     
CISPEP   2 LEU B   84    LYS B   85          0        -4.15                     
CRYST1   59.913   80.336   90.016  90.00  90.00  90.00 P 21 21 21    8          
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      0.016691  0.000000  0.000000        0.00000                         
SCALE2      0.000000  0.012448  0.000000        0.00000                         
SCALE3      0.000000  0.000000  0.011109        0.00000