HEADER    OXIDOREDUCTASE                          06-MAY-11   2YHU              
TITLE     TRYPANOSOMA BRUCEI PTR1 IN COMPLEX WITH INHIBITOR WHF30               
COMPND    MOL_ID: 1;                                                            
COMPND   2 MOLECULE: PTERIDINE REDUCTASE;                                       
COMPND   3 CHAIN: A, B, C, D;                                                   
COMPND   4 SYNONYM: PTR1;                                                       
COMPND   5 EC: 1.5.1.33;                                                        
COMPND   6 ENGINEERED: YES                                                      
SOURCE    MOL_ID: 1;                                                            
SOURCE   2 ORGANISM_SCIENTIFIC: TRYPANOSOMA BRUCEI;                             
SOURCE   3 ORGANISM_TAXID: 5691;                                                
SOURCE   4 EXPRESSION_SYSTEM: ESCHERICHIA COLI;                                 
SOURCE   5 EXPRESSION_SYSTEM_TAXID: 469008;                                     
SOURCE   6 EXPRESSION_SYSTEM_STRAIN: BL21(DE3);                                 
SOURCE   7 EXPRESSION_SYSTEM_VECTOR_TYPE: PLASMID;                              
SOURCE   8 EXPRESSION_SYSTEM_VECTOR: PET15BTEV;                                 
SOURCE   9 EXPRESSION_SYSTEM_PLASMID: PET15B_TBPTR1                             
KEYWDS    SHORT CHAIN DEHYDROGENASE, OXIDOREDUCTASE                             
EXPDTA    X-RAY DIFFRACTION                                                     
AUTHOR    E.NERINI,A.DAWSON,W.N.HUNTER,M.P.COSTI                                
REVDAT   4   20-DEC-23 2YHU    1       REMARK LINK                              
REVDAT   3   18-OCT-17 2YHU    1       JRNL                                     
REVDAT   2   27-SEP-17 2YHU    1       AUTHOR JRNL                              
REVDAT   1   23-MAY-12 2YHU    0                                                
JRNL        AUTH   P.LINCIANO,A.DAWSON,I.POHNER,D.M.COSTA,M.S.SA,               
JRNL        AUTH 2 A.CORDEIRO-DA-SILVA,R.LUCIANI,S.GUL,G.WITT,B.ELLINGER,       
JRNL        AUTH 3 M.KUZIKOV,P.GRIBBON,J.REINSHAGEN,M.WOLF,B.BEHRENS,           
JRNL        AUTH 4 V.HANNAERT,P.A.M.MICHELS,E.NERINI,C.POZZI,F.DI PISA,G.LANDI, 
JRNL        AUTH 5 N.SANTAREM,S.FERRARI,P.SAXENA,S.LAZZARI,G.CANNAZZA,          
JRNL        AUTH 6 L.H.FREITAS-JUNIOR,C.B.MORAES,B.S.PASCOALINO,L.M.ALCANTARA,  
JRNL        AUTH 7 C.P.BERTOLACINI,V.FONTANA,U.WITTIG,W.MULLER,R.C.WADE,        
JRNL        AUTH 8 W.N.HUNTER,S.MANGANI,L.COSTANTINO,M.P.COSTI                  
JRNL        TITL   EXPLOITING THE 2-AMINO-1,3,4-THIADIAZOLE SCAFFOLD TO INHIBIT 
JRNL        TITL 2 TRYPANOSOMA BRUCEI PTERIDINE REDUCTASE IN SUPPORT OF         
JRNL        TITL 3 EARLY-STAGE DRUG DISCOVERY.                                  
JRNL        REF    ACS OMEGA                     V.   2  5666 2017              
JRNL        REFN                   ESSN 2470-1343                               
JRNL        PMID   28983525                                                     
JRNL        DOI    10.1021/ACSOMEGA.7B00473                                     
REMARK   2                                                                      
REMARK   2 RESOLUTION.    2.01 ANGSTROMS.                                       
REMARK   3                                                                      
REMARK   3 REFINEMENT.                                                          
REMARK   3   PROGRAM     : REFMAC 5.5.0109                                      
REMARK   3   AUTHORS     : MURSHUDOV,SKUBAK,LEBEDEV,PANNU,STEINER,              
REMARK   3               : NICHOLLS,WINN,LONG,VAGIN                             
REMARK   3                                                                      
REMARK   3    REFINEMENT TARGET : MAXIMUM LIKELIHOOD                            
REMARK   3                                                                      
REMARK   3  DATA USED IN REFINEMENT.                                            
REMARK   3   RESOLUTION RANGE HIGH (ANGSTROMS) : 2.01                           
REMARK   3   RESOLUTION RANGE LOW  (ANGSTROMS) : 40.85                          
REMARK   3   DATA CUTOFF            (SIGMA(F)) : NULL                           
REMARK   3   COMPLETENESS FOR RANGE        (%) : 97.1                           
REMARK   3   NUMBER OF REFLECTIONS             : 61005                          
REMARK   3                                                                      
REMARK   3  FIT TO DATA USED IN REFINEMENT.                                     
REMARK   3   CROSS-VALIDATION METHOD          : THROUGHOUT                      
REMARK   3   FREE R VALUE TEST SET SELECTION  : RANDOM                          
REMARK   3   R VALUE     (WORKING + TEST SET) : 0.237                           
REMARK   3   R VALUE            (WORKING SET) : 0.235                           
REMARK   3   FREE R VALUE                     : 0.280                           
REMARK   3   FREE R VALUE TEST SET SIZE   (%) : 5.100                           
REMARK   3   FREE R VALUE TEST SET COUNT      : 3277                            
REMARK   3                                                                      
REMARK   3  FIT IN THE HIGHEST RESOLUTION BIN.                                  
REMARK   3   TOTAL NUMBER OF BINS USED           : 20                           
REMARK   3   BIN RESOLUTION RANGE HIGH       (A) : 2.01                         
REMARK   3   BIN RESOLUTION RANGE LOW        (A) : 2.06                         
REMARK   3   REFLECTION IN BIN     (WORKING SET) : 4343                         
REMARK   3   BIN COMPLETENESS (WORKING+TEST) (%) : 93.87                        
REMARK   3   BIN R VALUE           (WORKING SET) : 0.2370                       
REMARK   3   BIN FREE R VALUE SET COUNT          : 238                          
REMARK   3   BIN FREE R VALUE                    : 0.3000                       
REMARK   3                                                                      
REMARK   3  NUMBER OF NON-HYDROGEN ATOMS USED IN REFINEMENT.                    
REMARK   3   PROTEIN ATOMS            : 7473                                    
REMARK   3   NUCLEIC ACID ATOMS       : 0                                       
REMARK   3   HETEROGEN ATOMS          : 260                                     
REMARK   3   SOLVENT ATOMS            : 372                                     
REMARK   3                                                                      
REMARK   3  B VALUES.                                                           
REMARK   3   FROM WILSON PLOT           (A**2) : 23.10                          
REMARK   3   MEAN B VALUE      (OVERALL, A**2) : 20.71                          
REMARK   3   OVERALL ANISOTROPIC B VALUE.                                       
REMARK   3    B11 (A**2) : -0.17000                                             
REMARK   3    B22 (A**2) : 0.23000                                              
REMARK   3    B33 (A**2) : -0.17000                                             
REMARK   3    B12 (A**2) : 0.00000                                              
REMARK   3    B13 (A**2) : -0.13000                                             
REMARK   3    B23 (A**2) : 0.00000                                              
REMARK   3                                                                      
REMARK   3  ESTIMATED OVERALL COORDINATE ERROR.                                 
REMARK   3   ESU BASED ON R VALUE                            (A): 0.260         
REMARK   3   ESU BASED ON FREE R VALUE                       (A): 0.211         
REMARK   3   ESU BASED ON MAXIMUM LIKELIHOOD                 (A): 0.129         
REMARK   3   ESU FOR B VALUES BASED ON MAXIMUM LIKELIHOOD (A**2): 4.607         
REMARK   3                                                                      
REMARK   3 CORRELATION COEFFICIENTS.                                            
REMARK   3   CORRELATION COEFFICIENT FO-FC      : 0.895                         
REMARK   3   CORRELATION COEFFICIENT FO-FC FREE : 0.861                         
REMARK   3                                                                      
REMARK   3  RMS DEVIATIONS FROM IDEAL VALUES        COUNT    RMS    WEIGHT      
REMARK   3   BOND LENGTHS REFINED ATOMS        (A):  7937 ; 0.011 ; 0.022       
REMARK   3   BOND LENGTHS OTHERS               (A):  NULL ;  NULL ;  NULL       
REMARK   3   BOND ANGLES REFINED ATOMS   (DEGREES): 10807 ; 1.326 ; 2.006       
REMARK   3   BOND ANGLES OTHERS          (DEGREES):  NULL ;  NULL ;  NULL       
REMARK   3   TORSION ANGLES, PERIOD 1    (DEGREES):  1012 ; 5.464 ; 5.000       
REMARK   3   TORSION ANGLES, PERIOD 2    (DEGREES):   306 ;35.089 ;24.314       
REMARK   3   TORSION ANGLES, PERIOD 3    (DEGREES):  1270 ;14.518 ;15.000       
REMARK   3   TORSION ANGLES, PERIOD 4    (DEGREES):    49 ;14.947 ;15.000       
REMARK   3   CHIRAL-CENTER RESTRAINTS       (A**3):  1287 ; 0.072 ; 0.200       
REMARK   3   GENERAL PLANES REFINED ATOMS      (A):  5869 ; 0.005 ; 0.021       
REMARK   3   GENERAL PLANES OTHERS             (A):  NULL ;  NULL ;  NULL       
REMARK   3   NON-BONDED CONTACTS REFINED ATOMS (A):  NULL ;  NULL ;  NULL       
REMARK   3   NON-BONDED CONTACTS OTHERS        (A):  NULL ;  NULL ;  NULL       
REMARK   3   NON-BONDED TORSION REFINED ATOMS  (A):  NULL ;  NULL ;  NULL       
REMARK   3   NON-BONDED TORSION OTHERS         (A):  NULL ;  NULL ;  NULL       
REMARK   3   H-BOND (X...Y) REFINED ATOMS      (A):  NULL ;  NULL ;  NULL       
REMARK   3   H-BOND (X...Y) OTHERS             (A):  NULL ;  NULL ;  NULL       
REMARK   3   POTENTIAL METAL-ION REFINED ATOMS (A):  NULL ;  NULL ;  NULL       
REMARK   3   POTENTIAL METAL-ION OTHERS        (A):  NULL ;  NULL ;  NULL       
REMARK   3   SYMMETRY VDW REFINED ATOMS        (A):  NULL ;  NULL ;  NULL       
REMARK   3   SYMMETRY VDW OTHERS               (A):  NULL ;  NULL ;  NULL       
REMARK   3   SYMMETRY H-BOND REFINED ATOMS     (A):  NULL ;  NULL ;  NULL       
REMARK   3   SYMMETRY H-BOND OTHERS            (A):  NULL ;  NULL ;  NULL       
REMARK   3   SYMMETRY METAL-ION REFINED ATOMS  (A):  NULL ;  NULL ;  NULL       
REMARK   3   SYMMETRY METAL-ION OTHERS         (A):  NULL ;  NULL ;  NULL       
REMARK   3                                                                      
REMARK   3  ISOTROPIC THERMAL FACTOR RESTRAINTS.     COUNT   RMS    WEIGHT      
REMARK   3   MAIN-CHAIN BOND REFINED ATOMS  (A**2):  5017 ; 0.584 ; 1.500       
REMARK   3   MAIN-CHAIN BOND OTHER ATOMS    (A**2):  NULL ;  NULL ;  NULL       
REMARK   3   MAIN-CHAIN ANGLE REFINED ATOMS (A**2):  8047 ; 1.085 ; 2.000       
REMARK   3   MAIN-CHAIN ANGLE OTHER ATOMS   (A**2):  NULL ;  NULL ;  NULL       
REMARK   3   SIDE-CHAIN BOND REFINED ATOMS  (A**2):  2912 ; 1.551 ; 3.000       
REMARK   3   SIDE-CHAIN BOND OTHER ATOMS    (A**2):  NULL ;  NULL ;  NULL       
REMARK   3   SIDE-CHAIN ANGLE REFINED ATOMS (A**2):  2750 ; 2.520 ; 4.500       
REMARK   3   SIDE-CHAIN ANGLE OTHER ATOMS   (A**2):  NULL ;  NULL ;  NULL       
REMARK   3   LONG RANGE B REFINED ATOMS     (A**2):  NULL ;  NULL ;  NULL       
REMARK   3   LONG RANGE B OTHER ATOMS       (A**2):  NULL ;  NULL ;  NULL       
REMARK   3                                                                      
REMARK   3 ANISOTROPIC THERMAL FACTOR RESTRAINTS.    COUNT   RMS   WEIGHT       
REMARK   3   RIGID-BOND RESTRAINTS          (A**2):  NULL ;  NULL ;  NULL       
REMARK   3   SPHERICITY; FREE ATOMS         (A**2):  NULL ;  NULL ;  NULL       
REMARK   3   SPHERICITY; BONDED ATOMS       (A**2):  NULL ;  NULL ;  NULL       
REMARK   3                                                                      
REMARK   3  NCS RESTRAINTS STATISTICS                                           
REMARK   3   NUMBER OF DIFFERENT NCS GROUPS : NULL                              
REMARK   3                                                                      
REMARK   3  TLS DETAILS                                                         
REMARK   3   NUMBER OF TLS GROUPS  : NULL                                       
REMARK   3                                                                      
REMARK   3  BULK SOLVENT MODELLING.                                             
REMARK   3   METHOD USED : MASK                                                 
REMARK   3   PARAMETERS FOR MASK CALCULATION                                    
REMARK   3   VDW PROBE RADIUS   : 1.40                                          
REMARK   3   ION PROBE RADIUS   : 0.80                                          
REMARK   3   SHRINKAGE RADIUS   : 0.80                                          
REMARK   3                                                                      
REMARK   3  OTHER REFINEMENT REMARKS: HYDROGENS HAVE BEEN ADDED IN THE RIDING   
REMARK   3  POSITIONS. U VALUES REFINED INDIVIDUALLY.                           
REMARK   4                                                                      
REMARK   4 2YHU COMPLIES WITH FORMAT V. 3.30, 13-JUL-11                         
REMARK 100                                                                      
REMARK 100 THIS ENTRY HAS BEEN PROCESSED BY PDBE ON 06-MAY-11.                  
REMARK 100 THE DEPOSITION ID IS D_1290048213.                                   
REMARK 200                                                                      
REMARK 200 EXPERIMENTAL DETAILS                                                 
REMARK 200  EXPERIMENT TYPE                : X-RAY DIFFRACTION                  
REMARK 200  DATE OF DATA COLLECTION        : 27-JUL-10                          
REMARK 200  TEMPERATURE           (KELVIN) : 100                                
REMARK 200  PH                             : 7.5                                
REMARK 200  NUMBER OF CRYSTALS USED        : 1                                  
REMARK 200                                                                      
REMARK 200  SYNCHROTRON              (Y/N) : N                                  
REMARK 200  RADIATION SOURCE               : ROTATING ANODE                     
REMARK 200  BEAMLINE                       : NULL                               
REMARK 200  X-RAY GENERATOR MODEL          : RIGAKU MICROMAX-007                
REMARK 200  MONOCHROMATIC OR LAUE    (M/L) : M                                  
REMARK 200  WAVELENGTH OR RANGE        (A) : 1.5418                             
REMARK 200  MONOCHROMATOR                  : SI                                 
REMARK 200  OPTICS                         : MIRRORS                            
REMARK 200                                                                      
REMARK 200  DETECTOR TYPE                  : CCD                                
REMARK 200  DETECTOR MANUFACTURER          : RIGAKU CCD                         
REMARK 200  INTENSITY-INTEGRATION SOFTWARE : MOSFLM                             
REMARK 200  DATA SCALING SOFTWARE          : SCALA                              
REMARK 200                                                                      
REMARK 200  NUMBER OF UNIQUE REFLECTIONS   : 61006                              
REMARK 200  RESOLUTION RANGE HIGH      (A) : 2.010                              
REMARK 200  RESOLUTION RANGE LOW       (A) : 74.470                             
REMARK 200  REJECTION CRITERIA  (SIGMA(I)) : 0.000                              
REMARK 200                                                                      
REMARK 200 OVERALL.                                                             
REMARK 200  COMPLETENESS FOR RANGE     (%) : 97.1                               
REMARK 200  DATA REDUNDANCY                : 4.300                              
REMARK 200  R MERGE                    (I) : 0.10000                            
REMARK 200  R SYM                      (I) : NULL                               
REMARK 200  <I/SIGMA(I)> FOR THE DATA SET  : 8.8000                             
REMARK 200                                                                      
REMARK 200 IN THE HIGHEST RESOLUTION SHELL.                                     
REMARK 200  HIGHEST RESOLUTION SHELL, RANGE HIGH (A) : 2.01                     
REMARK 200  HIGHEST RESOLUTION SHELL, RANGE LOW  (A) : 2.10                     
REMARK 200  COMPLETENESS FOR SHELL     (%) : 93.9                               
REMARK 200  DATA REDUNDANCY IN SHELL       : 3.90                               
REMARK 200  R MERGE FOR SHELL          (I) : 0.39000                            
REMARK 200  R SYM FOR SHELL            (I) : NULL                               
REMARK 200  <I/SIGMA(I)> FOR SHELL         : 3.300                              
REMARK 200                                                                      
REMARK 200 DIFFRACTION PROTOCOL: SINGLE WAVELENGTH                              
REMARK 200 METHOD USED TO DETERMINE THE STRUCTURE: MOLECULAR REPLACEMENT        
REMARK 200 SOFTWARE USED: PHASER                                                
REMARK 200 STARTING MODEL: PDB ENTRY 2X9G                                       
REMARK 200                                                                      
REMARK 200 REMARK: NONE                                                         
REMARK 280                                                                      
REMARK 280 CRYSTAL                                                              
REMARK 280 SOLVENT CONTENT, VS   (%): 39.90                                     
REMARK 280 MATTHEWS COEFFICIENT, VM (ANGSTROMS**3/DA): 2.05                     
REMARK 280                                                                      
REMARK 280 CRYSTALLIZATION CONDITIONS: 100 MM SODIUM CITRATE PH 5, 1.8 M        
REMARK 280  SODIUM ACETATE, PH 7.5                                              
REMARK 290                                                                      
REMARK 290 CRYSTALLOGRAPHIC SYMMETRY                                            
REMARK 290 SYMMETRY OPERATORS FOR SPACE GROUP: P 1 21 1                         
REMARK 290                                                                      
REMARK 290      SYMOP   SYMMETRY                                                
REMARK 290     NNNMMM   OPERATOR                                                
REMARK 290       1555   X,Y,Z                                                   
REMARK 290       2555   -X,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       45.14500            
REMARK 290   SMTRY3   2  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: 20510 ANGSTROM**2                         
REMARK 350 SURFACE AREA OF THE COMPLEX: 32480 ANGSTROM**2                       
REMARK 350 CHANGE IN SOLVENT FREE ENERGY: -130.9 KCAL/MOL                       
REMARK 350 APPLY THE FOLLOWING TO CHAINS: A, B, C, D                            
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   -19                                                      
REMARK 465     GLY A   -18                                                      
REMARK 465     SER A   -17                                                      
REMARK 465     SER A   -16                                                      
REMARK 465     HIS A   -15                                                      
REMARK 465     HIS A   -14                                                      
REMARK 465     HIS A   -13                                                      
REMARK 465     HIS A   -12                                                      
REMARK 465     HIS A   -11                                                      
REMARK 465     HIS A   -10                                                      
REMARK 465     SER A    -9                                                      
REMARK 465     SER A    -8                                                      
REMARK 465     GLY A    -7                                                      
REMARK 465     LEU A    -6                                                      
REMARK 465     VAL A    -5                                                      
REMARK 465     PRO A    -4                                                      
REMARK 465     ARG A    -3                                                      
REMARK 465     GLY A    -2                                                      
REMARK 465     SER A    -1                                                      
REMARK 465     HIS A     0                                                      
REMARK 465     MET A     1                                                      
REMARK 465     GLY A   105                                                      
REMARK 465     ASP A   106                                                      
REMARK 465     HIS A   107                                                      
REMARK 465     GLU A   108                                                      
REMARK 465     ASP A   109                                                      
REMARK 465     ASN A   110                                                      
REMARK 465     SER A   111                                                      
REMARK 465     ASN A   112                                                      
REMARK 465     LYS A   143                                                      
REMARK 465     GLY A   144                                                      
REMARK 465     THR A   145                                                      
REMARK 465     ASN A   146                                                      
REMARK 465     PRO A   147                                                      
REMARK 465     ASN A   148                                                      
REMARK 465     CYS A   149                                                      
REMARK 465     THR A   150                                                      
REMARK 465     MET B   -19                                                      
REMARK 465     GLY B   -18                                                      
REMARK 465     SER B   -17                                                      
REMARK 465     SER B   -16                                                      
REMARK 465     HIS B   -15                                                      
REMARK 465     HIS B   -14                                                      
REMARK 465     HIS B   -13                                                      
REMARK 465     HIS B   -12                                                      
REMARK 465     HIS B   -11                                                      
REMARK 465     HIS B   -10                                                      
REMARK 465     SER B    -9                                                      
REMARK 465     SER B    -8                                                      
REMARK 465     GLY B    -7                                                      
REMARK 465     LEU B    -6                                                      
REMARK 465     VAL B    -5                                                      
REMARK 465     PRO B    -4                                                      
REMARK 465     ARG B    -3                                                      
REMARK 465     GLY B    -2                                                      
REMARK 465     SER B    -1                                                      
REMARK 465     HIS B     0                                                      
REMARK 465     MET B     1                                                      
REMARK 465     GLN B   104                                                      
REMARK 465     GLY B   105                                                      
REMARK 465     ASP B   106                                                      
REMARK 465     HIS B   107                                                      
REMARK 465     GLU B   108                                                      
REMARK 465     ASP B   109                                                      
REMARK 465     ASN B   110                                                      
REMARK 465     SER B   111                                                      
REMARK 465     ASN B   112                                                      
REMARK 465     GLY B   113                                                      
REMARK 465     GLY B   144                                                      
REMARK 465     THR B   145                                                      
REMARK 465     ASN B   146                                                      
REMARK 465     PRO B   147                                                      
REMARK 465     ASN B   148                                                      
REMARK 465     CYS B   149                                                      
REMARK 465     THR B   150                                                      
REMARK 465     MET C   -19                                                      
REMARK 465     GLY C   -18                                                      
REMARK 465     SER C   -17                                                      
REMARK 465     SER C   -16                                                      
REMARK 465     HIS C   -15                                                      
REMARK 465     HIS C   -14                                                      
REMARK 465     HIS C   -13                                                      
REMARK 465     HIS C   -12                                                      
REMARK 465     HIS C   -11                                                      
REMARK 465     HIS C   -10                                                      
REMARK 465     SER C    -9                                                      
REMARK 465     SER C    -8                                                      
REMARK 465     GLY C    -7                                                      
REMARK 465     LEU C    -6                                                      
REMARK 465     VAL C    -5                                                      
REMARK 465     PRO C    -4                                                      
REMARK 465     ARG C    -3                                                      
REMARK 465     GLY C    -2                                                      
REMARK 465     SER C    -1                                                      
REMARK 465     HIS C     0                                                      
REMARK 465     MET C     1                                                      
REMARK 465     GLY C   105                                                      
REMARK 465     ASP C   106                                                      
REMARK 465     HIS C   107                                                      
REMARK 465     GLU C   108                                                      
REMARK 465     ASP C   109                                                      
REMARK 465     ASN C   110                                                      
REMARK 465     SER C   111                                                      
REMARK 465     ASN C   112                                                      
REMARK 465     THR C   145                                                      
REMARK 465     ASN C   146                                                      
REMARK 465     PRO C   147                                                      
REMARK 465     ASN C   148                                                      
REMARK 465     CYS C   149                                                      
REMARK 465     THR C   150                                                      
REMARK 465     SER C   151                                                      
REMARK 465     MET D   -19                                                      
REMARK 465     GLY D   -18                                                      
REMARK 465     SER D   -17                                                      
REMARK 465     SER D   -16                                                      
REMARK 465     HIS D   -15                                                      
REMARK 465     HIS D   -14                                                      
REMARK 465     HIS D   -13                                                      
REMARK 465     HIS D   -12                                                      
REMARK 465     HIS D   -11                                                      
REMARK 465     HIS D   -10                                                      
REMARK 465     SER D    -9                                                      
REMARK 465     SER D    -8                                                      
REMARK 465     GLY D    -7                                                      
REMARK 465     LEU D    -6                                                      
REMARK 465     VAL D    -5                                                      
REMARK 465     PRO D    -4                                                      
REMARK 465     ARG D    -3                                                      
REMARK 465     GLY D    -2                                                      
REMARK 465     SER D    -1                                                      
REMARK 465     HIS D     0                                                      
REMARK 465     MET D     1                                                      
REMARK 465     GLY D   105                                                      
REMARK 465     ASP D   106                                                      
REMARK 465     HIS D   107                                                      
REMARK 465     GLU D   108                                                      
REMARK 465     ASP D   109                                                      
REMARK 465     ASN D   110                                                      
REMARK 465     SER D   111                                                      
REMARK 465     ASN D   112                                                      
REMARK 465     GLY D   113                                                      
REMARK 465     LYS D   143                                                      
REMARK 465     GLY D   144                                                      
REMARK 465     THR D   145                                                      
REMARK 465     ASN D   146                                                      
REMARK 465     PRO D   147                                                      
REMARK 465     ASN D   148                                                      
REMARK 465     CYS D   149                                                      
REMARK 465     THR D   150                                                      
REMARK 465     SER D   151                                                      
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 A  2009     O    HOH B  2079     2545     1.91            
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  14     -130.77     52.11                                   
REMARK 500    HIS A  35      -72.89   -108.71                                   
REMARK 500    ALA A 128      -53.71   -145.48                                   
REMARK 500    CYS A 160     -151.54    -97.99                                   
REMARK 500    SER A 207     -135.54   -116.73                                   
REMARK 500    ARG B  14     -125.94     57.64                                   
REMARK 500    HIS B  35      -75.50   -111.34                                   
REMARK 500    SER B  66     -175.91   -171.19                                   
REMARK 500    ALA B 128      -54.73   -138.69                                   
REMARK 500    CYS B 160     -152.14    -99.65                                   
REMARK 500    SER B 207     -139.36   -119.45                                   
REMARK 500    ARG C  14     -127.49     56.61                                   
REMARK 500    HIS C  35      -68.93   -105.82                                   
REMARK 500    SER C  37       57.60    -93.64                                   
REMARK 500    ALA C 128      -54.74   -141.27                                   
REMARK 500    CYS C 160     -155.95   -101.71                                   
REMARK 500    PHE C 171       41.37   -109.23                                   
REMARK 500    SER C 207     -143.00   -112.54                                   
REMARK 500    ARG D  14     -132.00     50.87                                   
REMARK 500    HIS D  35      -71.54   -111.33                                   
REMARK 500    ALA D 128      -50.53   -133.78                                   
REMARK 500    CYS D 160     -155.55    -97.63                                   
REMARK 500    SER D 207     -140.13   -118.28                                   
REMARK 500                                                                      
REMARK 500 REMARK: NULL                                                         
REMARK 800                                                                      
REMARK 800 SITE                                                                 
REMARK 800 SITE_IDENTIFIER: AC1                                                 
REMARK 800 EVIDENCE_CODE: SOFTWARE                                              
REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE NDP A 301                 
REMARK 800                                                                      
REMARK 800 SITE_IDENTIFIER: AC2                                                 
REMARK 800 EVIDENCE_CODE: SOFTWARE                                              
REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE WHF A 302                 
REMARK 800                                                                      
REMARK 800 SITE_IDENTIFIER: AC3                                                 
REMARK 800 EVIDENCE_CODE: SOFTWARE                                              
REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE ACT B 1269                
REMARK 800                                                                      
REMARK 800 SITE_IDENTIFIER: AC4                                                 
REMARK 800 EVIDENCE_CODE: SOFTWARE                                              
REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE NDP B 301                 
REMARK 800                                                                      
REMARK 800 SITE_IDENTIFIER: AC5                                                 
REMARK 800 EVIDENCE_CODE: SOFTWARE                                              
REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE WHF B 302                 
REMARK 800                                                                      
REMARK 800 SITE_IDENTIFIER: AC6                                                 
REMARK 800 EVIDENCE_CODE: SOFTWARE                                              
REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE NDP C 301                 
REMARK 800                                                                      
REMARK 800 SITE_IDENTIFIER: AC7                                                 
REMARK 800 EVIDENCE_CODE: SOFTWARE                                              
REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE WHF C 302                 
REMARK 800                                                                      
REMARK 800 SITE_IDENTIFIER: AC8                                                 
REMARK 800 EVIDENCE_CODE: SOFTWARE                                              
REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE NDP D 301                 
REMARK 800                                                                      
REMARK 800 SITE_IDENTIFIER: AC9                                                 
REMARK 800 EVIDENCE_CODE: SOFTWARE                                              
REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE WHF D 302                 
REMARK 800                                                                      
REMARK 800 SITE_IDENTIFIER: BC1                                                 
REMARK 800 EVIDENCE_CODE: SOFTWARE                                              
REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE ACT D 1269                
REMARK 900                                                                      
REMARK 900 RELATED ENTRIES                                                      
REMARK 900 RELATED ID: 2X9N   RELATED DB: PDB                                   
REMARK 900 HIGH RESOLUTION STRUCTURE OF TBPTR1 IN COMPLEX WITH CYROMAZINE       
REMARK 900 RELATED ID: 2VZ0   RELATED DB: PDB                                   
REMARK 900 PTERIDINE REDUCTASE 1 (PTR1) FROM TRYPANOSOMA BRUCEI IN COMPLEX      
REMARK 900 WITH NADP AND DDD00066641                                            
REMARK 900 RELATED ID: 2X9V   RELATED DB: PDB                                   
REMARK 900 HIGH RESOLUTION STRUCTURE OF TBPTR1 WITH TRIMETREXATE                
REMARK 900 RELATED ID: 2C7V   RELATED DB: PDB                                   
REMARK 900 STRUCTURE OF TRYPANOSOMA BRUCEI PTERIDINE REDUCTASE (PTR1) IN        
REMARK 900 TERNARY COMPLEX WITH COFACTOR AND THE ANTIFOLATE METHOTREXATE        
REMARK 900 RELATED ID: 2WD7   RELATED DB: PDB                                   
REMARK 900 PTERIDINE REDUCTASE 1 (PTR1) FROM TRYPANOSOMA BRUCEI IN COMPLEX      
REMARK 900 WITH NADP AND DDD00066750                                            
REMARK 900 RELATED ID: 2WD8   RELATED DB: PDB                                   
REMARK 900 PTERIDINE REDUCTASE 1 (PTR1) FROM TRYPANOSOMA BRUCEI IN COMPLEX      
REMARK 900 WITH NADP AND DDD00071204                                            
DBREF  2YHU A    1   268  UNP    O76290   O76290_TRYBB     1    268             
DBREF  2YHU B    1   268  UNP    O76290   O76290_TRYBB     1    268             
DBREF  2YHU C    1   268  UNP    O76290   O76290_TRYBB     1    268             
DBREF  2YHU D    1   268  UNP    O76290   O76290_TRYBB     1    268             
SEQADV 2YHU MET A  -19  UNP  O76290              EXPRESSION TAG                 
SEQADV 2YHU GLY A  -18  UNP  O76290              EXPRESSION TAG                 
SEQADV 2YHU SER A  -17  UNP  O76290              EXPRESSION TAG                 
SEQADV 2YHU SER A  -16  UNP  O76290              EXPRESSION TAG                 
SEQADV 2YHU HIS A  -15  UNP  O76290              EXPRESSION TAG                 
SEQADV 2YHU HIS A  -14  UNP  O76290              EXPRESSION TAG                 
SEQADV 2YHU HIS A  -13  UNP  O76290              EXPRESSION TAG                 
SEQADV 2YHU HIS A  -12  UNP  O76290              EXPRESSION TAG                 
SEQADV 2YHU HIS A  -11  UNP  O76290              EXPRESSION TAG                 
SEQADV 2YHU HIS A  -10  UNP  O76290              EXPRESSION TAG                 
SEQADV 2YHU SER A   -9  UNP  O76290              EXPRESSION TAG                 
SEQADV 2YHU SER A   -8  UNP  O76290              EXPRESSION TAG                 
SEQADV 2YHU GLY A   -7  UNP  O76290              EXPRESSION TAG                 
SEQADV 2YHU LEU A   -6  UNP  O76290              EXPRESSION TAG                 
SEQADV 2YHU VAL A   -5  UNP  O76290              EXPRESSION TAG                 
SEQADV 2YHU PRO A   -4  UNP  O76290              EXPRESSION TAG                 
SEQADV 2YHU ARG A   -3  UNP  O76290              EXPRESSION TAG                 
SEQADV 2YHU GLY A   -2  UNP  O76290              EXPRESSION TAG                 
SEQADV 2YHU SER A   -1  UNP  O76290              EXPRESSION TAG                 
SEQADV 2YHU HIS A    0  UNP  O76290              EXPRESSION TAG                 
SEQADV 2YHU MET B  -19  UNP  O76290              EXPRESSION TAG                 
SEQADV 2YHU GLY B  -18  UNP  O76290              EXPRESSION TAG                 
SEQADV 2YHU SER B  -17  UNP  O76290              EXPRESSION TAG                 
SEQADV 2YHU SER B  -16  UNP  O76290              EXPRESSION TAG                 
SEQADV 2YHU HIS B  -15  UNP  O76290              EXPRESSION TAG                 
SEQADV 2YHU HIS B  -14  UNP  O76290              EXPRESSION TAG                 
SEQADV 2YHU HIS B  -13  UNP  O76290              EXPRESSION TAG                 
SEQADV 2YHU HIS B  -12  UNP  O76290              EXPRESSION TAG                 
SEQADV 2YHU HIS B  -11  UNP  O76290              EXPRESSION TAG                 
SEQADV 2YHU HIS B  -10  UNP  O76290              EXPRESSION TAG                 
SEQADV 2YHU SER B   -9  UNP  O76290              EXPRESSION TAG                 
SEQADV 2YHU SER B   -8  UNP  O76290              EXPRESSION TAG                 
SEQADV 2YHU GLY B   -7  UNP  O76290              EXPRESSION TAG                 
SEQADV 2YHU LEU B   -6  UNP  O76290              EXPRESSION TAG                 
SEQADV 2YHU VAL B   -5  UNP  O76290              EXPRESSION TAG                 
SEQADV 2YHU PRO B   -4  UNP  O76290              EXPRESSION TAG                 
SEQADV 2YHU ARG B   -3  UNP  O76290              EXPRESSION TAG                 
SEQADV 2YHU GLY B   -2  UNP  O76290              EXPRESSION TAG                 
SEQADV 2YHU SER B   -1  UNP  O76290              EXPRESSION TAG                 
SEQADV 2YHU HIS B    0  UNP  O76290              EXPRESSION TAG                 
SEQADV 2YHU MET C  -19  UNP  O76290              EXPRESSION TAG                 
SEQADV 2YHU GLY C  -18  UNP  O76290              EXPRESSION TAG                 
SEQADV 2YHU SER C  -17  UNP  O76290              EXPRESSION TAG                 
SEQADV 2YHU SER C  -16  UNP  O76290              EXPRESSION TAG                 
SEQADV 2YHU HIS C  -15  UNP  O76290              EXPRESSION TAG                 
SEQADV 2YHU HIS C  -14  UNP  O76290              EXPRESSION TAG                 
SEQADV 2YHU HIS C  -13  UNP  O76290              EXPRESSION TAG                 
SEQADV 2YHU HIS C  -12  UNP  O76290              EXPRESSION TAG                 
SEQADV 2YHU HIS C  -11  UNP  O76290              EXPRESSION TAG                 
SEQADV 2YHU HIS C  -10  UNP  O76290              EXPRESSION TAG                 
SEQADV 2YHU SER C   -9  UNP  O76290              EXPRESSION TAG                 
SEQADV 2YHU SER C   -8  UNP  O76290              EXPRESSION TAG                 
SEQADV 2YHU GLY C   -7  UNP  O76290              EXPRESSION TAG                 
SEQADV 2YHU LEU C   -6  UNP  O76290              EXPRESSION TAG                 
SEQADV 2YHU VAL C   -5  UNP  O76290              EXPRESSION TAG                 
SEQADV 2YHU PRO C   -4  UNP  O76290              EXPRESSION TAG                 
SEQADV 2YHU ARG C   -3  UNP  O76290              EXPRESSION TAG                 
SEQADV 2YHU GLY C   -2  UNP  O76290              EXPRESSION TAG                 
SEQADV 2YHU SER C   -1  UNP  O76290              EXPRESSION TAG                 
SEQADV 2YHU HIS C    0  UNP  O76290              EXPRESSION TAG                 
SEQADV 2YHU MET D  -19  UNP  O76290              EXPRESSION TAG                 
SEQADV 2YHU GLY D  -18  UNP  O76290              EXPRESSION TAG                 
SEQADV 2YHU SER D  -17  UNP  O76290              EXPRESSION TAG                 
SEQADV 2YHU SER D  -16  UNP  O76290              EXPRESSION TAG                 
SEQADV 2YHU HIS D  -15  UNP  O76290              EXPRESSION TAG                 
SEQADV 2YHU HIS D  -14  UNP  O76290              EXPRESSION TAG                 
SEQADV 2YHU HIS D  -13  UNP  O76290              EXPRESSION TAG                 
SEQADV 2YHU HIS D  -12  UNP  O76290              EXPRESSION TAG                 
SEQADV 2YHU HIS D  -11  UNP  O76290              EXPRESSION TAG                 
SEQADV 2YHU HIS D  -10  UNP  O76290              EXPRESSION TAG                 
SEQADV 2YHU SER D   -9  UNP  O76290              EXPRESSION TAG                 
SEQADV 2YHU SER D   -8  UNP  O76290              EXPRESSION TAG                 
SEQADV 2YHU GLY D   -7  UNP  O76290              EXPRESSION TAG                 
SEQADV 2YHU LEU D   -6  UNP  O76290              EXPRESSION TAG                 
SEQADV 2YHU VAL D   -5  UNP  O76290              EXPRESSION TAG                 
SEQADV 2YHU PRO D   -4  UNP  O76290              EXPRESSION TAG                 
SEQADV 2YHU ARG D   -3  UNP  O76290              EXPRESSION TAG                 
SEQADV 2YHU GLY D   -2  UNP  O76290              EXPRESSION TAG                 
SEQADV 2YHU SER D   -1  UNP  O76290              EXPRESSION TAG                 
SEQADV 2YHU HIS D    0  UNP  O76290              EXPRESSION TAG                 
SEQRES   1 A  288  MET GLY SER SER HIS HIS HIS HIS HIS HIS SER SER GLY          
SEQRES   2 A  288  LEU VAL PRO ARG GLY SER HIS MET GLU ALA PRO ALA ALA          
SEQRES   3 A  288  VAL VAL THR GLY ALA ALA LYS ARG ILE GLY ARG ALA ILE          
SEQRES   4 A  288  ALA VAL LYS LEU HIS GLN THR GLY TYR ARG VAL VAL ILE          
SEQRES   5 A  288  HIS TYR HIS ASN SER ALA GLU ALA ALA VAL SER LEU ALA          
SEQRES   6 A  288  ASP GLU LEU ASN LYS GLU ARG SER ASN THR ALA VAL VAL          
SEQRES   7 A  288  CYS GLN ALA ASP LEU THR ASN SER ASN VAL LEU PRO ALA          
SEQRES   8 A  288  SER CYS GLU GLU ILE ILE ASN SER CYS PHE ARG ALA PHE          
SEQRES   9 A  288  GLY ARG CYS ASP VAL LEU VAL ASN ASN ALA SER ALA PHE          
SEQRES  10 A  288  TYR PRO THR PRO LEU VAL GLN GLY ASP HIS GLU ASP ASN          
SEQRES  11 A  288  SER ASN GLY LYS THR VAL GLU THR GLN VAL ALA GLU LEU          
SEQRES  12 A  288  ILE GLY THR ASN ALA ILE ALA PRO PHE LEU LEU THR MET          
SEQRES  13 A  288  SER PHE ALA GLN ARG GLN LYS GLY THR ASN PRO ASN CYS          
SEQRES  14 A  288  THR SER SER ASN LEU SER ILE VAL ASN LEU CYS ASP ALA          
SEQRES  15 A  288  MET VAL ASP GLN PRO CSX MET ALA PHE SER LEU TYR ASN          
SEQRES  16 A  288  MET GLY LYS HIS ALA LEU VAL GLY LEU THR GLN SER ALA          
SEQRES  17 A  288  ALA LEU GLU LEU ALA PRO TYR GLY ILE ARG VAL ASN GLY          
SEQRES  18 A  288  VAL ALA PRO GLY VAL SER LEU LEU PRO VAL ALA MET GLY          
SEQRES  19 A  288  GLU GLU GLU LYS ASP LYS TRP ARG ARG LYS VAL PRO LEU          
SEQRES  20 A  288  GLY ARG ARG GLU ALA SER ALA GLU GLN ILE ALA ASP ALA          
SEQRES  21 A  288  VAL ILE PHE LEU VAL SER GLY SER ALA GLN TYR ILE THR          
SEQRES  22 A  288  GLY SER ILE ILE LYS VAL ASP GLY GLY LEU SER LEU VAL          
SEQRES  23 A  288  HIS ALA                                                      
SEQRES   1 B  288  MET GLY SER SER HIS HIS HIS HIS HIS HIS SER SER GLY          
SEQRES   2 B  288  LEU VAL PRO ARG GLY SER HIS MET GLU ALA PRO ALA ALA          
SEQRES   3 B  288  VAL VAL THR GLY ALA ALA LYS ARG ILE GLY ARG ALA ILE          
SEQRES   4 B  288  ALA VAL LYS LEU HIS GLN THR GLY TYR ARG VAL VAL ILE          
SEQRES   5 B  288  HIS TYR HIS ASN SER ALA GLU ALA ALA VAL SER LEU ALA          
SEQRES   6 B  288  ASP GLU LEU ASN LYS GLU ARG SER ASN THR ALA VAL VAL          
SEQRES   7 B  288  CYS GLN ALA ASP LEU THR ASN SER ASN VAL LEU PRO ALA          
SEQRES   8 B  288  SER CYS GLU GLU ILE ILE ASN SER CYS PHE ARG ALA PHE          
SEQRES   9 B  288  GLY ARG CYS ASP VAL LEU VAL ASN ASN ALA SER ALA PHE          
SEQRES  10 B  288  TYR PRO THR PRO LEU VAL GLN GLY ASP HIS GLU ASP ASN          
SEQRES  11 B  288  SER ASN GLY LYS THR VAL GLU THR GLN VAL ALA GLU LEU          
SEQRES  12 B  288  ILE GLY THR ASN ALA ILE ALA PRO PHE LEU LEU THR MET          
SEQRES  13 B  288  SER PHE ALA GLN ARG GLN LYS GLY THR ASN PRO ASN CYS          
SEQRES  14 B  288  THR SER SER ASN LEU SER ILE VAL ASN LEU CYS ASP ALA          
SEQRES  15 B  288  MET VAL ASP GLN PRO CSX MET ALA PHE SER LEU TYR ASN          
SEQRES  16 B  288  MET GLY LYS HIS ALA LEU VAL GLY LEU THR GLN SER ALA          
SEQRES  17 B  288  ALA LEU GLU LEU ALA PRO TYR GLY ILE ARG VAL ASN GLY          
SEQRES  18 B  288  VAL ALA PRO GLY VAL SER LEU LEU PRO VAL ALA MET GLY          
SEQRES  19 B  288  GLU GLU GLU LYS ASP LYS TRP ARG ARG LYS VAL PRO LEU          
SEQRES  20 B  288  GLY ARG ARG GLU ALA SER ALA GLU GLN ILE ALA ASP ALA          
SEQRES  21 B  288  VAL ILE PHE LEU VAL SER GLY SER ALA GLN TYR ILE THR          
SEQRES  22 B  288  GLY SER ILE ILE LYS VAL ASP GLY GLY LEU SER LEU VAL          
SEQRES  23 B  288  HIS ALA                                                      
SEQRES   1 C  288  MET GLY SER SER HIS HIS HIS HIS HIS HIS SER SER GLY          
SEQRES   2 C  288  LEU VAL PRO ARG GLY SER HIS MET GLU ALA PRO ALA ALA          
SEQRES   3 C  288  VAL VAL THR GLY ALA ALA LYS ARG ILE GLY ARG ALA ILE          
SEQRES   4 C  288  ALA VAL LYS LEU HIS GLN THR GLY TYR ARG VAL VAL ILE          
SEQRES   5 C  288  HIS TYR HIS ASN SER ALA GLU ALA ALA VAL SER LEU ALA          
SEQRES   6 C  288  ASP GLU LEU ASN LYS GLU ARG SER ASN THR ALA VAL VAL          
SEQRES   7 C  288  CYS GLN ALA ASP LEU THR ASN SER ASN VAL LEU PRO ALA          
SEQRES   8 C  288  SER CYS GLU GLU ILE ILE ASN SER CYS PHE ARG ALA PHE          
SEQRES   9 C  288  GLY ARG CYS ASP VAL LEU VAL ASN ASN ALA SER ALA PHE          
SEQRES  10 C  288  TYR PRO THR PRO LEU VAL GLN GLY ASP HIS GLU ASP ASN          
SEQRES  11 C  288  SER ASN GLY LYS THR VAL GLU THR GLN VAL ALA GLU LEU          
SEQRES  12 C  288  ILE GLY THR ASN ALA ILE ALA PRO PHE LEU LEU THR MET          
SEQRES  13 C  288  SER PHE ALA GLN ARG GLN LYS GLY THR ASN PRO ASN CYS          
SEQRES  14 C  288  THR SER SER ASN LEU SER ILE VAL ASN LEU CYS ASP ALA          
SEQRES  15 C  288  MET VAL ASP GLN PRO CSX MET ALA PHE SER LEU TYR ASN          
SEQRES  16 C  288  MET GLY LYS HIS ALA LEU VAL GLY LEU THR GLN SER ALA          
SEQRES  17 C  288  ALA LEU GLU LEU ALA PRO TYR GLY ILE ARG VAL ASN GLY          
SEQRES  18 C  288  VAL ALA PRO GLY VAL SER LEU LEU PRO VAL ALA MET GLY          
SEQRES  19 C  288  GLU GLU GLU LYS ASP LYS TRP ARG ARG LYS VAL PRO LEU          
SEQRES  20 C  288  GLY ARG ARG GLU ALA SER ALA GLU GLN ILE ALA ASP ALA          
SEQRES  21 C  288  VAL ILE PHE LEU VAL SER GLY SER ALA GLN TYR ILE THR          
SEQRES  22 C  288  GLY SER ILE ILE LYS VAL ASP GLY GLY LEU SER LEU VAL          
SEQRES  23 C  288  HIS ALA                                                      
SEQRES   1 D  288  MET GLY SER SER HIS HIS HIS HIS HIS HIS SER SER GLY          
SEQRES   2 D  288  LEU VAL PRO ARG GLY SER HIS MET GLU ALA PRO ALA ALA          
SEQRES   3 D  288  VAL VAL THR GLY ALA ALA LYS ARG ILE GLY ARG ALA ILE          
SEQRES   4 D  288  ALA VAL LYS LEU HIS GLN THR GLY TYR ARG VAL VAL ILE          
SEQRES   5 D  288  HIS TYR HIS ASN SER ALA GLU ALA ALA VAL SER LEU ALA          
SEQRES   6 D  288  ASP GLU LEU ASN LYS GLU ARG SER ASN THR ALA VAL VAL          
SEQRES   7 D  288  CYS GLN ALA ASP LEU THR ASN SER ASN VAL LEU PRO ALA          
SEQRES   8 D  288  SER CYS GLU GLU ILE ILE ASN SER CYS PHE ARG ALA PHE          
SEQRES   9 D  288  GLY ARG CYS ASP VAL LEU VAL ASN ASN ALA SER ALA PHE          
SEQRES  10 D  288  TYR PRO THR PRO LEU VAL GLN GLY ASP HIS GLU ASP ASN          
SEQRES  11 D  288  SER ASN GLY LYS THR VAL GLU THR GLN VAL ALA GLU LEU          
SEQRES  12 D  288  ILE GLY THR ASN ALA ILE ALA PRO PHE LEU LEU THR MET          
SEQRES  13 D  288  SER PHE ALA GLN ARG GLN LYS GLY THR ASN PRO ASN CYS          
SEQRES  14 D  288  THR SER SER ASN LEU SER ILE VAL ASN LEU CYS ASP ALA          
SEQRES  15 D  288  MET VAL ASP GLN PRO CSX MET ALA PHE SER LEU TYR ASN          
SEQRES  16 D  288  MET GLY LYS HIS ALA LEU VAL GLY LEU THR GLN SER ALA          
SEQRES  17 D  288  ALA LEU GLU LEU ALA PRO TYR GLY ILE ARG VAL ASN GLY          
SEQRES  18 D  288  VAL ALA PRO GLY VAL SER LEU LEU PRO VAL ALA MET GLY          
SEQRES  19 D  288  GLU GLU GLU LYS ASP LYS TRP ARG ARG LYS VAL PRO LEU          
SEQRES  20 D  288  GLY ARG ARG GLU ALA SER ALA GLU GLN ILE ALA ASP ALA          
SEQRES  21 D  288  VAL ILE PHE LEU VAL SER GLY SER ALA GLN TYR ILE THR          
SEQRES  22 D  288  GLY SER ILE ILE LYS VAL ASP GLY GLY LEU SER LEU VAL          
SEQRES  23 D  288  HIS ALA                                                      
MODRES 2YHU CSX A  168  CYS  S-OXY CYSTEINE                                     
MODRES 2YHU CSX B  168  CYS  S-OXY CYSTEINE                                     
MODRES 2YHU CSX C  168  CYS  S-OXY CYSTEINE                                     
MODRES 2YHU CSX D  168  CYS  S-OXY CYSTEINE                                     
HET    CSX  A 168       7                                                       
HET    CSX  B 168       7                                                       
HET    CSX  C 168       7                                                       
HET    CSX  D 168       7                                                       
HET    NDP  A 301      48                                                       
HET    WHF  A 302      15                                                       
HET    NDP  B 301      48                                                       
HET    WHF  B 302      15                                                       
HET    ACT  B1269       4                                                       
HET    NDP  C 301      48                                                       
HET    WHF  C 302      15                                                       
HET    NDP  D 301      48                                                       
HET    WHF  D 302      15                                                       
HET    ACT  D1269       4                                                       
HETNAM     CSX S-OXY CYSTEINE                                                   
HETNAM     NDP NADPH DIHYDRO-NICOTINAMIDE-ADENINE-DINUCLEOTIDE                  
HETNAM   2 NDP  PHOSPHATE                                                       
HETNAM     WHF 3-(5-AMINO-1,3,4-THIADIAZOL-2-YL)-1-THIOPHEN-2-                  
HETNAM   2 WHF  YLPROPAN-1-ONE                                                  
HETNAM     ACT ACETATE ION                                                      
FORMUL   1  CSX    4(C3 H7 N O3 S)                                              
FORMUL   5  NDP    4(C21 H30 N7 O17 P3)                                         
FORMUL   6  WHF    4(C9 H9 N3 O S2)                                             
FORMUL   9  ACT    2(C2 H3 O2 1-)                                               
FORMUL  15  HOH   *372(H2 O)                                                    
HELIX    1   1 LYS A   13  THR A   26  1                                  14    
HELIX    2   2 SER A   37  LYS A   50  1                                  14    
HELIX    3   3 VAL A   68  GLY A   85  1                                  18    
HELIX    4   4 THR A  115  ALA A  128  1                                  14    
HELIX    5   5 ALA A  128  GLN A  142  1                                  15    
HELIX    6   6 PHE A  171  ALA A  193  1                                  23    
HELIX    7   7 GLY A  214  ARG A  223  1                                  10    
HELIX    8   8 SER A  233  SER A  246  1                                  14    
HELIX    9   9 GLY A  247  GLN A  250  5                                   4    
HELIX   10  10 GLY A  262  VAL A  266  5                                   5    
HELIX   11  11 LYS B   13  THR B   26  1                                  14    
HELIX   12  12 SER B   37  ARG B   52  1                                  16    
HELIX   13  13 VAL B   68  GLY B   85  1                                  18    
HELIX   14  14 THR B  115  ALA B  128  1                                  14    
HELIX   15  15 ALA B  128  ARG B  141  1                                  14    
HELIX   16  16 PHE B  171  ALA B  193  1                                  23    
HELIX   17  17 GLY B  214  ARG B  223  1                                  10    
HELIX   18  18 SER B  233  SER B  246  1                                  14    
HELIX   19  19 GLY B  247  GLN B  250  5                                   4    
HELIX   20  20 GLY B  262  VAL B  266  5                                   5    
HELIX   21  21 LYS C   13  GLY C   27  1                                  15    
HELIX   22  22 SER C   37  ARG C   52  1                                  16    
HELIX   23  23 VAL C   68  GLY C   85  1                                  18    
HELIX   24  24 THR C  115  ALA C  128  1                                  14    
HELIX   25  25 ALA C  128  ARG C  141  1                                  14    
HELIX   26  26 PHE C  171  ALA C  193  1                                  23    
HELIX   27  27 PRO C  194  GLY C  196  5                                   3    
HELIX   28  28 GLY C  214  VAL C  225  1                                  12    
HELIX   29  29 SER C  233  SER C  246  1                                  14    
HELIX   30  30 GLY C  247  GLN C  250  5                                   4    
HELIX   31  31 GLY C  262  VAL C  266  5                                   5    
HELIX   32  32 LYS D   13  THR D   26  1                                  14    
HELIX   33  33 SER D   37  ARG D   52  1                                  16    
HELIX   34  34 VAL D   68  GLY D   85  1                                  18    
HELIX   35  35 THR D  115  ALA D  128  1                                  14    
HELIX   36  36 ALA D  128  ARG D  141  1                                  14    
HELIX   37  37 PHE D  171  ALA D  193  1                                  23    
HELIX   38  38 GLY D  214  ARG D  223  1                                  10    
HELIX   39  39 SER D  233  SER D  246  1                                  14    
HELIX   40  40 GLY D  247  GLN D  250  5                                   4    
HELIX   41  41 GLY D  262  VAL D  266  5                                   5    
SHEET    1  AA 7 ALA A  56  GLN A  60  0                                        
SHEET    2  AA 7 ARG A  29  TYR A  34  1  O  VAL A  30   N  VAL A  57           
SHEET    3  AA 7 ALA A   5  VAL A   8  1  O  ALA A   6   N  VAL A  31           
SHEET    4  AA 7 VAL A  89  ASN A  92  1  O  VAL A  89   N  VAL A   7           
SHEET    5  AA 7 LEU A 154  LEU A 159  1  O  SER A 155   N  LEU A  90           
SHEET    6  AA 7 ILE A 197  PRO A 204  1  O  ARG A 198   N  ILE A 156           
SHEET    7  AA 7 ILE A 256  VAL A 259  1  O  ILE A 257   N  ALA A 203           
SHEET    1  BA 7 ALA B  56  GLN B  60  0                                        
SHEET    2  BA 7 ARG B  29  TYR B  34  1  O  VAL B  30   N  VAL B  57           
SHEET    3  BA 7 ALA B   5  VAL B   8  1  O  ALA B   6   N  VAL B  31           
SHEET    4  BA 7 VAL B  89  ASN B  92  1  O  VAL B  89   N  VAL B   7           
SHEET    5  BA 7 LEU B 154  LEU B 159  1  O  SER B 155   N  LEU B  90           
SHEET    6  BA 7 ILE B 197  PRO B 204  1  O  ARG B 198   N  ILE B 156           
SHEET    7  BA 7 ILE B 256  VAL B 259  1  O  ILE B 257   N  ALA B 203           
SHEET    1  CA 7 ALA C  56  GLN C  60  0                                        
SHEET    2  CA 7 ARG C  29  TYR C  34  1  O  VAL C  30   N  VAL C  57           
SHEET    3  CA 7 ALA C   5  VAL C   8  1  O  ALA C   6   N  VAL C  31           
SHEET    4  CA 7 VAL C  89  ASN C  92  1  O  VAL C  89   N  VAL C   7           
SHEET    5  CA 7 SER C 155  LEU C 159  1  O  SER C 155   N  LEU C  90           
SHEET    6  CA 7 ARG C 198  PRO C 204  1  O  ARG C 198   N  ILE C 156           
SHEET    7  CA 7 ILE C 256  VAL C 259  1  O  ILE C 257   N  ALA C 203           
SHEET    1  DA 7 ALA D  56  GLN D  60  0                                        
SHEET    2  DA 7 ARG D  29  TYR D  34  1  O  VAL D  30   N  VAL D  57           
SHEET    3  DA 7 ALA D   5  VAL D   8  1  O  ALA D   6   N  VAL D  31           
SHEET    4  DA 7 VAL D  89  ASN D  92  1  O  VAL D  89   N  VAL D   7           
SHEET    5  DA 7 LEU D 154  LEU D 159  1  O  SER D 155   N  LEU D  90           
SHEET    6  DA 7 ILE D 197  PRO D 204  1  O  ARG D 198   N  ILE D 156           
SHEET    7  DA 7 ILE D 256  VAL D 259  1  O  ILE D 257   N  ALA D 203           
LINK         C   PRO A 167                 N   CSX A 168     1555   1555  1.31  
LINK         C   CSX A 168                 N   MET A 169     1555   1555  1.31  
LINK         C   PRO B 167                 N   CSX B 168     1555   1555  1.31  
LINK         C   CSX B 168                 N   MET B 169     1555   1555  1.31  
LINK         C   PRO C 167                 N   CSX C 168     1555   1555  1.31  
LINK         C   CSX C 168                 N   MET C 169     1555   1555  1.31  
LINK         C   PRO D 167                 N   CSX D 168     1555   1555  1.31  
LINK         C   CSX D 168                 N   MET D 169     1555   1555  1.30  
SITE     1 AC1 28 ARG A  14  ILE A  15  TYR A  34  HIS A  35                    
SITE     2 AC1 28 ASN A  36  SER A  37  ALA A  61  ASP A  62                    
SITE     3 AC1 28 LEU A  63  THR A  64  ASN A  93  ALA A  94                    
SITE     4 AC1 28 SER A  95  THR A 126  LEU A 159  CYS A 160                    
SITE     5 AC1 28 TYR A 174  LYS A 178  PRO A 204  GLY A 205                    
SITE     6 AC1 28 SER A 207  LEU A 208  WHF A 302  HOH A2003                    
SITE     7 AC1 28 HOH A2004  HOH A2006  HOH A2016  HOH A2104                    
SITE     1 AC2  6 SER A  95  PHE A  97  TYR A 174  PRO A 210                    
SITE     2 AC2  6 TRP A 221  NDP A 301                                          
SITE     1 AC3  4 TYR B  34  VAL B  58  VAL C  57  VAL C  58                    
SITE     1 AC4 28 ARG B  14  ILE B  15  TYR B  34  HIS B  35                    
SITE     2 AC4 28 ASN B  36  SER B  37  ALA B  61  ASP B  62                    
SITE     3 AC4 28 LEU B  63  THR B  64  ASN B  93  ALA B  94                    
SITE     4 AC4 28 SER B  95  THR B 126  LEU B 159  CYS B 160                    
SITE     5 AC4 28 TYR B 174  LYS B 178  PRO B 204  GLY B 205                    
SITE     6 AC4 28 VAL B 206  SER B 207  LEU B 208  WHF B 302                    
SITE     7 AC4 28 HOH B2003  HOH B2004  HOH B2018  HOH B2099                    
SITE     1 AC5  8 SER B  95  PHE B  97  TYR B 174  VAL B 206                    
SITE     2 AC5  8 PRO B 210  TRP B 221  NDP B 301  HOH B2069                    
SITE     1 AC6 24 ARG C  14  ILE C  15  TYR C  34  HIS C  35                    
SITE     2 AC6 24 ASN C  36  SER C  37  ALA C  61  ASP C  62                    
SITE     3 AC6 24 LEU C  63  THR C  64  ASN C  93  ALA C  94                    
SITE     4 AC6 24 SER C  95  THR C 126  LEU C 159  CYS C 160                    
SITE     5 AC6 24 TYR C 174  LYS C 178  PRO C 204  GLY C 205                    
SITE     6 AC6 24 SER C 207  LEU C 208  WHF C 302  HOH C2002                    
SITE     1 AC7  8 SER C  95  PHE C  97  TYR C 174  VAL C 206                    
SITE     2 AC7  8 PRO C 210  MET C 213  TRP C 221  NDP C 301                    
SITE     1 AC8 28 ARG D  14  ILE D  15  TYR D  34  HIS D  35                    
SITE     2 AC8 28 ASN D  36  SER D  37  ALA D  61  ASP D  62                    
SITE     3 AC8 28 LEU D  63  THR D  64  ASN D  93  ALA D  94                    
SITE     4 AC8 28 SER D  95  THR D 126  LEU D 159  CYS D 160                    
SITE     5 AC8 28 TYR D 174  LYS D 178  PRO D 204  GLY D 205                    
SITE     6 AC8 28 VAL D 206  SER D 207  LEU D 208  WHF D 302                    
SITE     7 AC8 28 HOH D2003  HOH D2004  HOH D2015  HOH D2078                    
SITE     1 AC9  9 SER D  95  PHE D  97  TYR D 174  VAL D 206                    
SITE     2 AC9  9 PRO D 210  MET D 213  TRP D 221  NDP D 301                    
SITE     3 AC9  9 HOH D2060                                                     
SITE     1 BC1  5 MET B 136  THR D 100  PRO D 101  GLN D 104                    
SITE     2 BC1  5 GLN D 119                                                     
CRYST1   74.550   90.290   82.460  90.00 115.43  90.00 P 1 21 1      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      0.013414  0.000000  0.006378        0.00000                         
SCALE2      0.000000  0.011075  0.000000        0.00000                         
SCALE3      0.000000  0.000000  0.013428        0.00000