HEADER    TRANSFERASE/TRANSFERASE INHIBITOR       23-MAR-12   4EB8              
TITLE     CRYSTAL STRUCTURE OF PURINE NUCLEOSIDE PHOSPHORYLASE (W16Y, W94Y,     
TITLE    2 W178Y, H257W) MUTANT FROM HUMAN COMPLEXED WITH DADME-IMMG AND        
TITLE    3 PHOSPHATE                                                            
COMPND    MOL_ID: 1;                                                            
COMPND   2 MOLECULE: PURINE NUCLEOSIDE PHOSPHORYLASE;                           
COMPND   3 CHAIN: A, B, C;                                                      
COMPND   4 SYNONYM: PNP, INOSINE PHOSPHORYLASE;                                 
COMPND   5 EC: 2.4.2.1;                                                         
COMPND   6 ENGINEERED: YES;                                                     
COMPND   7 MUTATION: YES                                                        
SOURCE    MOL_ID: 1;                                                            
SOURCE   2 ORGANISM_SCIENTIFIC: HOMO SAPIENS;                                   
SOURCE   3 ORGANISM_COMMON: HUMAN;                                              
SOURCE   4 ORGANISM_TAXID: 9606;                                                
SOURCE   5 GENE: NP, PNP, X00737.1;                                             
SOURCE   6 EXPRESSION_SYSTEM: ESCHERICHIA COLI;                                 
SOURCE   7 EXPRESSION_SYSTEM_TAXID: 562;                                        
SOURCE   8 EXPRESSION_SYSTEM_STRAIN: BL21(DE3)PLYSS;                            
SOURCE   9 EXPRESSION_SYSTEM_VECTOR_TYPE: PLASMID;                              
SOURCE  10 EXPRESSION_SYSTEM_PLASMID: PCRT7/NT-TOPO                             
KEYWDS    PNP, IMMUCILLIN, PURINE NUCLEOSIDE PHOSPHORYLASE, NUCLEOSIDE BINDING, 
KEYWDS   2 PURINE BASE BINDING, PURINE-NUCLEOSIDE PHOSPHORYLASE ACTIVITY, DRUG  
KEYWDS   3 BINDING, TRANSFERASE ACTIVITY, TRANSFERRING GLYCOSYL GROUPS,         
KEYWDS   4 PHOSPHATE ION BINDING, INTRACELLULAR, CYTOSOL, TRANSFERASE-          
KEYWDS   5 TRANSFERASE INHIBITOR COMPLEX                                        
EXPDTA    X-RAY DIFFRACTION                                                     
AUTHOR    M.C.HO,A.M.HAAPALAINEN,J.J.SUAREZ,S.C.ALMO,V.L.SCHRAMM                
REVDAT   4   28-FEB-24 4EB8    1       REMARK SEQADV                            
REVDAT   3   13-MAR-13 4EB8    1       JRNL                                     
REVDAT   2   06-MAR-13 4EB8    1       JRNL                                     
REVDAT   1   06-FEB-13 4EB8    0                                                
JRNL        AUTH   J.SUAREZ,A.M.HAAPALAINEN,S.M.CAHILL,M.C.HO,F.YAN,S.C.ALMO,   
JRNL        AUTH 2 V.L.SCHRAMM                                                  
JRNL        TITL   CATALYTIC SITE CONFORMATIONS IN HUMAN PNP BY (19)F-NMR AND   
JRNL        TITL 2 CRYSTALLOGRAPHY.                                             
JRNL        REF    CHEM.BIOL.                    V.  20   212 2013              
JRNL        REFN                   ISSN 1074-5521                               
JRNL        PMID   23438750                                                     
JRNL        DOI    10.1016/J.CHEMBIOL.2013.01.009                               
REMARK   2                                                                      
REMARK   2 RESOLUTION.    2.30 ANGSTROMS.                                       
REMARK   3                                                                      
REMARK   3 REFINEMENT.                                                          
REMARK   3   PROGRAM     : REFMAC 5.6.0117                                      
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) : 2.30                           
REMARK   3   RESOLUTION RANGE LOW  (ANGSTROMS) : 47.48                          
REMARK   3   DATA CUTOFF            (SIGMA(F)) : NULL                           
REMARK   3   COMPLETENESS FOR RANGE        (%) : 99.9                           
REMARK   3   NUMBER OF REFLECTIONS             : 43257                          
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) : 0.184                           
REMARK   3   R VALUE            (WORKING SET) : 0.181                           
REMARK   3   FREE R VALUE                     : 0.228                           
REMARK   3   FREE R VALUE TEST SET SIZE   (%) : 5.100                           
REMARK   3   FREE R VALUE TEST SET COUNT      : 2301                            
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) : 2.30                         
REMARK   3   BIN RESOLUTION RANGE LOW        (A) : 2.36                         
REMARK   3   REFLECTION IN BIN     (WORKING SET) : 3124                         
REMARK   3   BIN COMPLETENESS (WORKING+TEST) (%) : 100.0                        
REMARK   3   BIN R VALUE           (WORKING SET) : 0.3400                       
REMARK   3   BIN FREE R VALUE SET COUNT          : 166                          
REMARK   3   BIN FREE R VALUE                    : 0.4030                       
REMARK   3                                                                      
REMARK   3  NUMBER OF NON-HYDROGEN ATOMS USED IN REFINEMENT.                    
REMARK   3   PROTEIN ATOMS            : 6713                                    
REMARK   3   NUCLEIC ACID ATOMS       : 0                                       
REMARK   3   HETEROGEN ATOMS          : 83                                      
REMARK   3   SOLVENT ATOMS            : 323                                     
REMARK   3                                                                      
REMARK   3  B VALUES.                                                           
REMARK   3   FROM WILSON PLOT           (A**2) : NULL                           
REMARK   3   MEAN B VALUE      (OVERALL, A**2) : 47.44                          
REMARK   3   OVERALL ANISOTROPIC B VALUE.                                       
REMARK   3    B11 (A**2) : 6.20000                                              
REMARK   3    B22 (A**2) : -2.99000                                             
REMARK   3    B33 (A**2) : -3.21000                                             
REMARK   3    B12 (A**2) : 0.00000                                              
REMARK   3    B13 (A**2) : 0.00000                                              
REMARK   3    B23 (A**2) : 0.00000                                              
REMARK   3                                                                      
REMARK   3  ESTIMATED OVERALL COORDINATE ERROR.                                 
REMARK   3   ESU BASED ON R VALUE                            (A): 0.295         
REMARK   3   ESU BASED ON FREE R VALUE                       (A): 0.216         
REMARK   3   ESU BASED ON MAXIMUM LIKELIHOOD                 (A): 0.176         
REMARK   3   ESU FOR B VALUES BASED ON MAXIMUM LIKELIHOOD (A**2): 7.838         
REMARK   3                                                                      
REMARK   3 CORRELATION COEFFICIENTS.                                            
REMARK   3   CORRELATION COEFFICIENT FO-FC      : 0.965                         
REMARK   3   CORRELATION COEFFICIENT FO-FC FREE : 0.946                         
REMARK   3                                                                      
REMARK   3  RMS DEVIATIONS FROM IDEAL VALUES        COUNT    RMS    WEIGHT      
REMARK   3   BOND LENGTHS REFINED ATOMS        (A):  6957 ; 0.010 ; 0.019       
REMARK   3   BOND LENGTHS OTHERS               (A):  NULL ;  NULL ;  NULL       
REMARK   3   BOND ANGLES REFINED ATOMS   (DEGREES):  9420 ; 1.506 ; 1.977       
REMARK   3   BOND ANGLES OTHERS          (DEGREES):  NULL ;  NULL ;  NULL       
REMARK   3   TORSION ANGLES, PERIOD 1    (DEGREES):   858 ; 6.186 ; 5.000       
REMARK   3   TORSION ANGLES, PERIOD 2    (DEGREES):   320 ;37.265 ;23.531       
REMARK   3   TORSION ANGLES, PERIOD 3    (DEGREES):  1151 ;16.423 ;15.000       
REMARK   3   TORSION ANGLES, PERIOD 4    (DEGREES):    51 ;19.961 ;15.000       
REMARK   3   CHIRAL-CENTER RESTRAINTS       (A**3):  1017 ; 0.096 ; 0.200       
REMARK   3   GENERAL PLANES REFINED ATOMS      (A):  5326 ; 0.006 ; 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):  NULL ;  NULL ;  NULL       
REMARK   3   MAIN-CHAIN BOND OTHER ATOMS    (A**2):  NULL ;  NULL ;  NULL       
REMARK   3   MAIN-CHAIN ANGLE REFINED ATOMS (A**2):  NULL ;  NULL ;  NULL       
REMARK   3   MAIN-CHAIN ANGLE OTHER ATOMS   (A**2):  NULL ;  NULL ;  NULL       
REMARK   3   SIDE-CHAIN BOND REFINED ATOMS  (A**2):  NULL ;  NULL ;  NULL       
REMARK   3   SIDE-CHAIN BOND OTHER ATOMS    (A**2):  NULL ;  NULL ;  NULL       
REMARK   3   SIDE-CHAIN ANGLE REFINED ATOMS (A**2):  NULL ;  NULL ;  NULL       
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 : BABINET MODEL WITH MASK                              
REMARK   3   PARAMETERS FOR MASK CALCULATION                                    
REMARK   3   VDW PROBE RADIUS   : 1.20                                          
REMARK   3   ION PROBE RADIUS   : 0.80                                          
REMARK   3   SHRINKAGE RADIUS   : 0.80                                          
REMARK   3                                                                      
REMARK   3  OTHER REFINEMENT REMARKS: HYDROGENS HAVE BEEN USED IF PRESENT IN    
REMARK   3  THE INPUT                                                           
REMARK   4                                                                      
REMARK   4 4EB8 COMPLIES WITH FORMAT V. 3.30, 13-JUL-11                         
REMARK 100                                                                      
REMARK 100 THIS ENTRY HAS BEEN PROCESSED BY RCSB ON 26-MAR-12.                  
REMARK 100 THE DEPOSITION ID IS D_1000071400.                                   
REMARK 200                                                                      
REMARK 200 EXPERIMENTAL DETAILS                                                 
REMARK 200  EXPERIMENT TYPE                : X-RAY DIFFRACTION                  
REMARK 200  DATE OF DATA COLLECTION        : 22-APR-11                          
REMARK 200  TEMPERATURE           (KELVIN) : 100                                
REMARK 200  PH                             : 6.5                                
REMARK 200  NUMBER OF CRYSTALS USED        : 1                                  
REMARK 200                                                                      
REMARK 200  SYNCHROTRON              (Y/N) : Y                                  
REMARK 200  RADIATION SOURCE               : NSLS                               
REMARK 200  BEAMLINE                       : X29A                               
REMARK 200  X-RAY GENERATOR MODEL          : NULL                               
REMARK 200  MONOCHROMATIC OR LAUE    (M/L) : M                                  
REMARK 200  WAVELENGTH OR RANGE        (A) : 1.075                              
REMARK 200  MONOCHROMATOR                  : NULL                               
REMARK 200  OPTICS                         : NULL                               
REMARK 200                                                                      
REMARK 200  DETECTOR TYPE                  : CCD                                
REMARK 200  DETECTOR MANUFACTURER          : ADSC QUANTUM 315R                  
REMARK 200  INTENSITY-INTEGRATION SOFTWARE : HKL-3000                           
REMARK 200  DATA SCALING SOFTWARE          : HKL-3000                           
REMARK 200                                                                      
REMARK 200  NUMBER OF UNIQUE REFLECTIONS   : 45728                              
REMARK 200  RESOLUTION RANGE HIGH      (A) : 2.300                              
REMARK 200  RESOLUTION RANGE LOW       (A) : 50.000                             
REMARK 200  REJECTION CRITERIA  (SIGMA(I)) : 0.000                              
REMARK 200                                                                      
REMARK 200 OVERALL.                                                             
REMARK 200  COMPLETENESS FOR RANGE     (%) : 99.9                               
REMARK 200  DATA REDUNDANCY                : 6.000                              
REMARK 200  R MERGE                    (I) : 0.09700                            
REMARK 200  R SYM                      (I) : 0.09700                            
REMARK 200  <I/SIGMA(I)> FOR THE DATA SET  : 20.8000                            
REMARK 200                                                                      
REMARK 200 IN THE HIGHEST RESOLUTION SHELL.                                     
REMARK 200  HIGHEST RESOLUTION SHELL, RANGE HIGH (A) : 2.30                     
REMARK 200  HIGHEST RESOLUTION SHELL, RANGE LOW  (A) : 2.38                     
REMARK 200  COMPLETENESS FOR SHELL     (%) : 100.0                              
REMARK 200  DATA REDUNDANCY IN SHELL       : 5.90                               
REMARK 200  R MERGE FOR SHELL          (I) : 0.82800                            
REMARK 200  R SYM FOR SHELL            (I) : 0.82800                            
REMARK 200  <I/SIGMA(I)> FOR SHELL         : 2.200                              
REMARK 200                                                                      
REMARK 200 DIFFRACTION PROTOCOL: SINGLE WAVELENGTH                              
REMARK 200 METHOD USED TO DETERMINE THE STRUCTURE: MOLECULAR REPLACEMENT        
REMARK 200 SOFTWARE USED: MOLREP                                                
REMARK 200 STARTING MODEL: NULL                                                 
REMARK 200                                                                      
REMARK 200 REMARK: NULL                                                         
REMARK 280                                                                      
REMARK 280 CRYSTAL                                                              
REMARK 280 SOLVENT CONTENT, VS   (%): 46.92                                     
REMARK 280 MATTHEWS COEFFICIENT, VM (ANGSTROMS**3/DA): 2.32                     
REMARK 280                                                                      
REMARK 280 CRYSTALLIZATION CONDITIONS: 20% PEG 5000 MONOMETHYL ETHER, 0.1M      
REMARK 280  BIS-TRIS, PH 6.5, VAPOR DIFFUSION, SITTING DROP, TEMPERATURE 293K   
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       27.87600            
REMARK 290   SMTRY2   2  0.000000 -1.000000  0.000000        0.00000            
REMARK 290   SMTRY3   2  0.000000  0.000000  1.000000       68.75150            
REMARK 290   SMTRY1   3 -1.000000  0.000000  0.000000        0.00000            
REMARK 290   SMTRY2   3  0.000000  1.000000  0.000000       65.51750            
REMARK 290   SMTRY3   3  0.000000  0.000000 -1.000000       68.75150            
REMARK 290   SMTRY1   4  1.000000  0.000000  0.000000       27.87600            
REMARK 290   SMTRY2   4  0.000000 -1.000000  0.000000       65.51750            
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: TRIMERIC                          
REMARK 350 SOFTWARE DETERMINED QUATERNARY STRUCTURE: TRIMERIC                   
REMARK 350 SOFTWARE USED: PISA                                                  
REMARK 350 TOTAL BURIED SURFACE AREA: 9430 ANGSTROM**2                          
REMARK 350 SURFACE AREA OF THE COMPLEX: 30800 ANGSTROM**2                       
REMARK 350 CHANGE IN SOLVENT FREE ENERGY: -52.0 KCAL/MOL                        
REMARK 350 APPLY THE FOLLOWING TO CHAINS: A, B, C                               
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   -34                                                      
REMARK 465     ARG A   -33                                                      
REMARK 465     GLY A   -32                                                      
REMARK 465     SER A   -31                                                      
REMARK 465     HIS A   -30                                                      
REMARK 465     HIS A   -29                                                      
REMARK 465     HIS A   -28                                                      
REMARK 465     HIS A   -27                                                      
REMARK 465     HIS A   -26                                                      
REMARK 465     HIS A   -25                                                      
REMARK 465     GLY A   -24                                                      
REMARK 465     MET A   -23                                                      
REMARK 465     ALA A   -22                                                      
REMARK 465     SER A   -21                                                      
REMARK 465     MET A   -20                                                      
REMARK 465     THR A   -19                                                      
REMARK 465     GLY A   -18                                                      
REMARK 465     GLY A   -17                                                      
REMARK 465     GLN A   -16                                                      
REMARK 465     GLN A   -15                                                      
REMARK 465     MET A   -14                                                      
REMARK 465     GLY A   -13                                                      
REMARK 465     ARG A   -12                                                      
REMARK 465     ASP A   -11                                                      
REMARK 465     LEU A   -10                                                      
REMARK 465     TYR A    -9                                                      
REMARK 465     ASP A    -8                                                      
REMARK 465     ASP A    -7                                                      
REMARK 465     ASP A    -6                                                      
REMARK 465     ASP A    -5                                                      
REMARK 465     LYS A    -4                                                      
REMARK 465     ASP A    -3                                                      
REMARK 465     PRO A    -2                                                      
REMARK 465     LYS A   287                                                      
REMARK 465     ALA A   288                                                      
REMARK 465     SER A   289                                                      
REMARK 465     MET B   -34                                                      
REMARK 465     ARG B   -33                                                      
REMARK 465     GLY B   -32                                                      
REMARK 465     SER B   -31                                                      
REMARK 465     HIS B   -30                                                      
REMARK 465     HIS B   -29                                                      
REMARK 465     HIS B   -28                                                      
REMARK 465     HIS B   -27                                                      
REMARK 465     HIS B   -26                                                      
REMARK 465     HIS B   -25                                                      
REMARK 465     GLY B   -24                                                      
REMARK 465     MET B   -23                                                      
REMARK 465     ALA B   -22                                                      
REMARK 465     SER B   -21                                                      
REMARK 465     MET B   -20                                                      
REMARK 465     THR B   -19                                                      
REMARK 465     GLY B   -18                                                      
REMARK 465     GLY B   -17                                                      
REMARK 465     GLN B   -16                                                      
REMARK 465     GLN B   -15                                                      
REMARK 465     MET B   -14                                                      
REMARK 465     GLY B   -13                                                      
REMARK 465     ARG B   -12                                                      
REMARK 465     ASP B   -11                                                      
REMARK 465     LEU B   -10                                                      
REMARK 465     TYR B    -9                                                      
REMARK 465     ASP B    -8                                                      
REMARK 465     ASP B    -7                                                      
REMARK 465     ASP B    -6                                                      
REMARK 465     ASP B    -5                                                      
REMARK 465     LYS B    -4                                                      
REMARK 465     ASP B    -3                                                      
REMARK 465     PRO B    -2                                                      
REMARK 465     LYS B   287                                                      
REMARK 465     ALA B   288                                                      
REMARK 465     SER B   289                                                      
REMARK 465     MET C   -34                                                      
REMARK 465     ARG C   -33                                                      
REMARK 465     GLY C   -32                                                      
REMARK 465     SER C   -31                                                      
REMARK 465     HIS C   -30                                                      
REMARK 465     HIS C   -29                                                      
REMARK 465     HIS C   -28                                                      
REMARK 465     HIS C   -27                                                      
REMARK 465     HIS C   -26                                                      
REMARK 465     HIS C   -25                                                      
REMARK 465     GLY C   -24                                                      
REMARK 465     MET C   -23                                                      
REMARK 465     ALA C   -22                                                      
REMARK 465     SER C   -21                                                      
REMARK 465     MET C   -20                                                      
REMARK 465     THR C   -19                                                      
REMARK 465     GLY C   -18                                                      
REMARK 465     GLY C   -17                                                      
REMARK 465     GLN C   -16                                                      
REMARK 465     GLN C   -15                                                      
REMARK 465     MET C   -14                                                      
REMARK 465     GLY C   -13                                                      
REMARK 465     ARG C   -12                                                      
REMARK 465     ASP C   -11                                                      
REMARK 465     LEU C   -10                                                      
REMARK 465     TYR C    -9                                                      
REMARK 465     ASP C    -8                                                      
REMARK 465     ASP C    -7                                                      
REMARK 465     ASP C    -6                                                      
REMARK 465     ASP C    -5                                                      
REMARK 465     LYS C    -4                                                      
REMARK 465     ASP C    -3                                                      
REMARK 465     PRO C    -2                                                      
REMARK 465     THR C    -1                                                      
REMARK 465     LEU C     0                                                      
REMARK 465     MET C     1                                                      
REMARK 465     GLU C     2                                                      
REMARK 465     ASN C     3                                                      
REMARK 465     LYS C   287                                                      
REMARK 465     ALA C   288                                                      
REMARK 465     SER C   289                                                      
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    ASN A  55      -15.01     79.92                                   
REMARK 500    LYS A 179       26.01    -77.46                                   
REMARK 500    SER A 220     -157.98   -152.42                                   
REMARK 500    THR A 221      -58.44     72.35                                   
REMARK 500    ILE A 277      -38.38    -37.49                                   
REMARK 500    ASN B  55       -4.37     71.17                                   
REMARK 500    SER B 220     -157.04   -152.86                                   
REMARK 500    THR B 221      -59.72     74.80                                   
REMARK 500    ASN C  55       -0.31     71.11                                   
REMARK 500    THR C 221      -53.79     75.80                                   
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 PO4 A 301                 
REMARK 800                                                                      
REMARK 800 SITE_IDENTIFIER: AC2                                                 
REMARK 800 EVIDENCE_CODE: SOFTWARE                                              
REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE IM5 A 302                 
REMARK 800                                                                      
REMARK 800 SITE_IDENTIFIER: AC3                                                 
REMARK 800 EVIDENCE_CODE: SOFTWARE                                              
REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE PO4 B 301                 
REMARK 800                                                                      
REMARK 800 SITE_IDENTIFIER: AC4                                                 
REMARK 800 EVIDENCE_CODE: SOFTWARE                                              
REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE IM5 B 302                 
REMARK 800                                                                      
REMARK 800 SITE_IDENTIFIER: AC5                                                 
REMARK 800 EVIDENCE_CODE: SOFTWARE                                              
REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE EDO B 303                 
REMARK 800                                                                      
REMARK 800 SITE_IDENTIFIER: AC6                                                 
REMARK 800 EVIDENCE_CODE: SOFTWARE                                              
REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE PO4 C 301                 
REMARK 800                                                                      
REMARK 800 SITE_IDENTIFIER: AC7                                                 
REMARK 800 EVIDENCE_CODE: SOFTWARE                                              
REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE IM5 C 302                 
REMARK 800                                                                      
REMARK 800 SITE_IDENTIFIER: AC8                                                 
REMARK 800 EVIDENCE_CODE: SOFTWARE                                              
REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE EDO C 303                 
REMARK 900                                                                      
REMARK 900 RELATED ENTRIES                                                      
REMARK 900 RELATED ID: 4EAR   RELATED DB: PDB                                   
DBREF  4EB8 A    1   289  UNP    P00491   PNPH_HUMAN       1    289             
DBREF  4EB8 B    1   289  UNP    P00491   PNPH_HUMAN       1    289             
DBREF  4EB8 C    1   289  UNP    P00491   PNPH_HUMAN       1    289             
SEQADV 4EB8 MET A  -34  UNP  P00491              INITIATING METHIONINE          
SEQADV 4EB8 ARG A  -33  UNP  P00491              EXPRESSION TAG                 
SEQADV 4EB8 GLY A  -32  UNP  P00491              EXPRESSION TAG                 
SEQADV 4EB8 SER A  -31  UNP  P00491              EXPRESSION TAG                 
SEQADV 4EB8 HIS A  -30  UNP  P00491              EXPRESSION TAG                 
SEQADV 4EB8 HIS A  -29  UNP  P00491              EXPRESSION TAG                 
SEQADV 4EB8 HIS A  -28  UNP  P00491              EXPRESSION TAG                 
SEQADV 4EB8 HIS A  -27  UNP  P00491              EXPRESSION TAG                 
SEQADV 4EB8 HIS A  -26  UNP  P00491              EXPRESSION TAG                 
SEQADV 4EB8 HIS A  -25  UNP  P00491              EXPRESSION TAG                 
SEQADV 4EB8 GLY A  -24  UNP  P00491              EXPRESSION TAG                 
SEQADV 4EB8 MET A  -23  UNP  P00491              EXPRESSION TAG                 
SEQADV 4EB8 ALA A  -22  UNP  P00491              EXPRESSION TAG                 
SEQADV 4EB8 SER A  -21  UNP  P00491              EXPRESSION TAG                 
SEQADV 4EB8 MET A  -20  UNP  P00491              EXPRESSION TAG                 
SEQADV 4EB8 THR A  -19  UNP  P00491              EXPRESSION TAG                 
SEQADV 4EB8 GLY A  -18  UNP  P00491              EXPRESSION TAG                 
SEQADV 4EB8 GLY A  -17  UNP  P00491              EXPRESSION TAG                 
SEQADV 4EB8 GLN A  -16  UNP  P00491              EXPRESSION TAG                 
SEQADV 4EB8 GLN A  -15  UNP  P00491              EXPRESSION TAG                 
SEQADV 4EB8 MET A  -14  UNP  P00491              EXPRESSION TAG                 
SEQADV 4EB8 GLY A  -13  UNP  P00491              EXPRESSION TAG                 
SEQADV 4EB8 ARG A  -12  UNP  P00491              EXPRESSION TAG                 
SEQADV 4EB8 ASP A  -11  UNP  P00491              EXPRESSION TAG                 
SEQADV 4EB8 LEU A  -10  UNP  P00491              EXPRESSION TAG                 
SEQADV 4EB8 TYR A   -9  UNP  P00491              EXPRESSION TAG                 
SEQADV 4EB8 ASP A   -8  UNP  P00491              EXPRESSION TAG                 
SEQADV 4EB8 ASP A   -7  UNP  P00491              EXPRESSION TAG                 
SEQADV 4EB8 ASP A   -6  UNP  P00491              EXPRESSION TAG                 
SEQADV 4EB8 ASP A   -5  UNP  P00491              EXPRESSION TAG                 
SEQADV 4EB8 LYS A   -4  UNP  P00491              EXPRESSION TAG                 
SEQADV 4EB8 ASP A   -3  UNP  P00491              EXPRESSION TAG                 
SEQADV 4EB8 PRO A   -2  UNP  P00491              EXPRESSION TAG                 
SEQADV 4EB8 THR A   -1  UNP  P00491              EXPRESSION TAG                 
SEQADV 4EB8 LEU A    0  UNP  P00491              EXPRESSION TAG                 
SEQADV 4EB8 TYR A   16  UNP  P00491    TRP    16 ENGINEERED MUTATION            
SEQADV 4EB8 SER A   51  UNP  P00491    GLY    51 ENGINEERED MUTATION            
SEQADV 4EB8 TYR A   94  UNP  P00491    TRP    94 ENGINEERED MUTATION            
SEQADV 4EB8 TYR A  178  UNP  P00491    TRP   178 ENGINEERED MUTATION            
SEQADV 4EB8 TRP A  257  UNP  P00491    HIS   257 ENGINEERED MUTATION            
SEQADV 4EB8 MET B  -34  UNP  P00491              INITIATING METHIONINE          
SEQADV 4EB8 ARG B  -33  UNP  P00491              EXPRESSION TAG                 
SEQADV 4EB8 GLY B  -32  UNP  P00491              EXPRESSION TAG                 
SEQADV 4EB8 SER B  -31  UNP  P00491              EXPRESSION TAG                 
SEQADV 4EB8 HIS B  -30  UNP  P00491              EXPRESSION TAG                 
SEQADV 4EB8 HIS B  -29  UNP  P00491              EXPRESSION TAG                 
SEQADV 4EB8 HIS B  -28  UNP  P00491              EXPRESSION TAG                 
SEQADV 4EB8 HIS B  -27  UNP  P00491              EXPRESSION TAG                 
SEQADV 4EB8 HIS B  -26  UNP  P00491              EXPRESSION TAG                 
SEQADV 4EB8 HIS B  -25  UNP  P00491              EXPRESSION TAG                 
SEQADV 4EB8 GLY B  -24  UNP  P00491              EXPRESSION TAG                 
SEQADV 4EB8 MET B  -23  UNP  P00491              EXPRESSION TAG                 
SEQADV 4EB8 ALA B  -22  UNP  P00491              EXPRESSION TAG                 
SEQADV 4EB8 SER B  -21  UNP  P00491              EXPRESSION TAG                 
SEQADV 4EB8 MET B  -20  UNP  P00491              EXPRESSION TAG                 
SEQADV 4EB8 THR B  -19  UNP  P00491              EXPRESSION TAG                 
SEQADV 4EB8 GLY B  -18  UNP  P00491              EXPRESSION TAG                 
SEQADV 4EB8 GLY B  -17  UNP  P00491              EXPRESSION TAG                 
SEQADV 4EB8 GLN B  -16  UNP  P00491              EXPRESSION TAG                 
SEQADV 4EB8 GLN B  -15  UNP  P00491              EXPRESSION TAG                 
SEQADV 4EB8 MET B  -14  UNP  P00491              EXPRESSION TAG                 
SEQADV 4EB8 GLY B  -13  UNP  P00491              EXPRESSION TAG                 
SEQADV 4EB8 ARG B  -12  UNP  P00491              EXPRESSION TAG                 
SEQADV 4EB8 ASP B  -11  UNP  P00491              EXPRESSION TAG                 
SEQADV 4EB8 LEU B  -10  UNP  P00491              EXPRESSION TAG                 
SEQADV 4EB8 TYR B   -9  UNP  P00491              EXPRESSION TAG                 
SEQADV 4EB8 ASP B   -8  UNP  P00491              EXPRESSION TAG                 
SEQADV 4EB8 ASP B   -7  UNP  P00491              EXPRESSION TAG                 
SEQADV 4EB8 ASP B   -6  UNP  P00491              EXPRESSION TAG                 
SEQADV 4EB8 ASP B   -5  UNP  P00491              EXPRESSION TAG                 
SEQADV 4EB8 LYS B   -4  UNP  P00491              EXPRESSION TAG                 
SEQADV 4EB8 ASP B   -3  UNP  P00491              EXPRESSION TAG                 
SEQADV 4EB8 PRO B   -2  UNP  P00491              EXPRESSION TAG                 
SEQADV 4EB8 THR B   -1  UNP  P00491              EXPRESSION TAG                 
SEQADV 4EB8 LEU B    0  UNP  P00491              EXPRESSION TAG                 
SEQADV 4EB8 TYR B   16  UNP  P00491    TRP    16 ENGINEERED MUTATION            
SEQADV 4EB8 SER B   51  UNP  P00491    GLY    51 ENGINEERED MUTATION            
SEQADV 4EB8 TYR B   94  UNP  P00491    TRP    94 ENGINEERED MUTATION            
SEQADV 4EB8 TYR B  178  UNP  P00491    TRP   178 ENGINEERED MUTATION            
SEQADV 4EB8 TRP B  257  UNP  P00491    HIS   257 ENGINEERED MUTATION            
SEQADV 4EB8 MET C  -34  UNP  P00491              INITIATING METHIONINE          
SEQADV 4EB8 ARG C  -33  UNP  P00491              EXPRESSION TAG                 
SEQADV 4EB8 GLY C  -32  UNP  P00491              EXPRESSION TAG                 
SEQADV 4EB8 SER C  -31  UNP  P00491              EXPRESSION TAG                 
SEQADV 4EB8 HIS C  -30  UNP  P00491              EXPRESSION TAG                 
SEQADV 4EB8 HIS C  -29  UNP  P00491              EXPRESSION TAG                 
SEQADV 4EB8 HIS C  -28  UNP  P00491              EXPRESSION TAG                 
SEQADV 4EB8 HIS C  -27  UNP  P00491              EXPRESSION TAG                 
SEQADV 4EB8 HIS C  -26  UNP  P00491              EXPRESSION TAG                 
SEQADV 4EB8 HIS C  -25  UNP  P00491              EXPRESSION TAG                 
SEQADV 4EB8 GLY C  -24  UNP  P00491              EXPRESSION TAG                 
SEQADV 4EB8 MET C  -23  UNP  P00491              EXPRESSION TAG                 
SEQADV 4EB8 ALA C  -22  UNP  P00491              EXPRESSION TAG                 
SEQADV 4EB8 SER C  -21  UNP  P00491              EXPRESSION TAG                 
SEQADV 4EB8 MET C  -20  UNP  P00491              EXPRESSION TAG                 
SEQADV 4EB8 THR C  -19  UNP  P00491              EXPRESSION TAG                 
SEQADV 4EB8 GLY C  -18  UNP  P00491              EXPRESSION TAG                 
SEQADV 4EB8 GLY C  -17  UNP  P00491              EXPRESSION TAG                 
SEQADV 4EB8 GLN C  -16  UNP  P00491              EXPRESSION TAG                 
SEQADV 4EB8 GLN C  -15  UNP  P00491              EXPRESSION TAG                 
SEQADV 4EB8 MET C  -14  UNP  P00491              EXPRESSION TAG                 
SEQADV 4EB8 GLY C  -13  UNP  P00491              EXPRESSION TAG                 
SEQADV 4EB8 ARG C  -12  UNP  P00491              EXPRESSION TAG                 
SEQADV 4EB8 ASP C  -11  UNP  P00491              EXPRESSION TAG                 
SEQADV 4EB8 LEU C  -10  UNP  P00491              EXPRESSION TAG                 
SEQADV 4EB8 TYR C   -9  UNP  P00491              EXPRESSION TAG                 
SEQADV 4EB8 ASP C   -8  UNP  P00491              EXPRESSION TAG                 
SEQADV 4EB8 ASP C   -7  UNP  P00491              EXPRESSION TAG                 
SEQADV 4EB8 ASP C   -6  UNP  P00491              EXPRESSION TAG                 
SEQADV 4EB8 ASP C   -5  UNP  P00491              EXPRESSION TAG                 
SEQADV 4EB8 LYS C   -4  UNP  P00491              EXPRESSION TAG                 
SEQADV 4EB8 ASP C   -3  UNP  P00491              EXPRESSION TAG                 
SEQADV 4EB8 PRO C   -2  UNP  P00491              EXPRESSION TAG                 
SEQADV 4EB8 THR C   -1  UNP  P00491              EXPRESSION TAG                 
SEQADV 4EB8 LEU C    0  UNP  P00491              EXPRESSION TAG                 
SEQADV 4EB8 TYR C   16  UNP  P00491    TRP    16 ENGINEERED MUTATION            
SEQADV 4EB8 SER C   51  UNP  P00491    GLY    51 ENGINEERED MUTATION            
SEQADV 4EB8 TYR C   94  UNP  P00491    TRP    94 ENGINEERED MUTATION            
SEQADV 4EB8 TYR C  178  UNP  P00491    TRP   178 ENGINEERED MUTATION            
SEQADV 4EB8 TRP C  257  UNP  P00491    HIS   257 ENGINEERED MUTATION            
SEQRES   1 A  324  MET ARG GLY SER HIS HIS HIS HIS HIS HIS GLY MET ALA          
SEQRES   2 A  324  SER MET THR GLY GLY GLN GLN MET GLY ARG ASP LEU TYR          
SEQRES   3 A  324  ASP ASP ASP ASP LYS ASP PRO THR LEU MET GLU ASN GLY          
SEQRES   4 A  324  TYR THR TYR GLU ASP TYR LYS ASN THR ALA GLU TYR LEU          
SEQRES   5 A  324  LEU SER HIS THR LYS HIS ARG PRO GLN VAL ALA ILE ILE          
SEQRES   6 A  324  CYS GLY SER GLY LEU GLY GLY LEU THR ASP LYS LEU THR          
SEQRES   7 A  324  GLN ALA GLN ILE PHE ASP TYR SER GLU ILE PRO ASN PHE          
SEQRES   8 A  324  PRO ARG SER THR VAL PRO GLY HIS ALA GLY ARG LEU VAL          
SEQRES   9 A  324  PHE GLY PHE LEU ASN GLY ARG ALA CYS VAL MET MET GLN          
SEQRES  10 A  324  GLY ARG PHE HIS MET TYR GLU GLY TYR PRO LEU TYR LYS          
SEQRES  11 A  324  VAL THR PHE PRO VAL ARG VAL PHE HIS LEU LEU GLY VAL          
SEQRES  12 A  324  ASP THR LEU VAL VAL THR ASN ALA ALA GLY GLY LEU ASN          
SEQRES  13 A  324  PRO LYS PHE GLU VAL GLY ASP ILE MET LEU ILE ARG ASP          
SEQRES  14 A  324  HIS ILE ASN LEU PRO GLY PHE SER GLY GLN ASN PRO LEU          
SEQRES  15 A  324  ARG GLY PRO ASN ASP GLU ARG PHE GLY ASP ARG PHE PRO          
SEQRES  16 A  324  ALA MET SER ASP ALA TYR ASP ARG THR MET ARG GLN ARG          
SEQRES  17 A  324  ALA LEU SER THR TYR LYS GLN MET GLY GLU GLN ARG GLU          
SEQRES  18 A  324  LEU GLN GLU GLY THR TYR VAL MET VAL ALA GLY PRO SER          
SEQRES  19 A  324  PHE GLU THR VAL ALA GLU CYS ARG VAL LEU GLN LYS LEU          
SEQRES  20 A  324  GLY ALA ASP ALA VAL GLY MET SER THR VAL PRO GLU VAL          
SEQRES  21 A  324  ILE VAL ALA ARG HIS CYS GLY LEU ARG VAL PHE GLY PHE          
SEQRES  22 A  324  SER LEU ILE THR ASN LYS VAL ILE MET ASP TYR GLU SER          
SEQRES  23 A  324  LEU GLU LYS ALA ASN TRP GLU GLU VAL LEU ALA ALA GLY          
SEQRES  24 A  324  LYS GLN ALA ALA GLN LYS LEU GLU GLN PHE VAL SER ILE          
SEQRES  25 A  324  LEU MET ALA SER ILE PRO LEU PRO ASP LYS ALA SER              
SEQRES   1 B  324  MET ARG GLY SER HIS HIS HIS HIS HIS HIS GLY MET ALA          
SEQRES   2 B  324  SER MET THR GLY GLY GLN GLN MET GLY ARG ASP LEU TYR          
SEQRES   3 B  324  ASP ASP ASP ASP LYS ASP PRO THR LEU MET GLU ASN GLY          
SEQRES   4 B  324  TYR THR TYR GLU ASP TYR LYS ASN THR ALA GLU TYR LEU          
SEQRES   5 B  324  LEU SER HIS THR LYS HIS ARG PRO GLN VAL ALA ILE ILE          
SEQRES   6 B  324  CYS GLY SER GLY LEU GLY GLY LEU THR ASP LYS LEU THR          
SEQRES   7 B  324  GLN ALA GLN ILE PHE ASP TYR SER GLU ILE PRO ASN PHE          
SEQRES   8 B  324  PRO ARG SER THR VAL PRO GLY HIS ALA GLY ARG LEU VAL          
SEQRES   9 B  324  PHE GLY PHE LEU ASN GLY ARG ALA CYS VAL MET MET GLN          
SEQRES  10 B  324  GLY ARG PHE HIS MET TYR GLU GLY TYR PRO LEU TYR LYS          
SEQRES  11 B  324  VAL THR PHE PRO VAL ARG VAL PHE HIS LEU LEU GLY VAL          
SEQRES  12 B  324  ASP THR LEU VAL VAL THR ASN ALA ALA GLY GLY LEU ASN          
SEQRES  13 B  324  PRO LYS PHE GLU VAL GLY ASP ILE MET LEU ILE ARG ASP          
SEQRES  14 B  324  HIS ILE ASN LEU PRO GLY PHE SER GLY GLN ASN PRO LEU          
SEQRES  15 B  324  ARG GLY PRO ASN ASP GLU ARG PHE GLY ASP ARG PHE PRO          
SEQRES  16 B  324  ALA MET SER ASP ALA TYR ASP ARG THR MET ARG GLN ARG          
SEQRES  17 B  324  ALA LEU SER THR TYR LYS GLN MET GLY GLU GLN ARG GLU          
SEQRES  18 B  324  LEU GLN GLU GLY THR TYR VAL MET VAL ALA GLY PRO SER          
SEQRES  19 B  324  PHE GLU THR VAL ALA GLU CYS ARG VAL LEU GLN LYS LEU          
SEQRES  20 B  324  GLY ALA ASP ALA VAL GLY MET SER THR VAL PRO GLU VAL          
SEQRES  21 B  324  ILE VAL ALA ARG HIS CYS GLY LEU ARG VAL PHE GLY PHE          
SEQRES  22 B  324  SER LEU ILE THR ASN LYS VAL ILE MET ASP TYR GLU SER          
SEQRES  23 B  324  LEU GLU LYS ALA ASN TRP GLU GLU VAL LEU ALA ALA GLY          
SEQRES  24 B  324  LYS GLN ALA ALA GLN LYS LEU GLU GLN PHE VAL SER ILE          
SEQRES  25 B  324  LEU MET ALA SER ILE PRO LEU PRO ASP LYS ALA SER              
SEQRES   1 C  324  MET ARG GLY SER HIS HIS HIS HIS HIS HIS GLY MET ALA          
SEQRES   2 C  324  SER MET THR GLY GLY GLN GLN MET GLY ARG ASP LEU TYR          
SEQRES   3 C  324  ASP ASP ASP ASP LYS ASP PRO THR LEU MET GLU ASN GLY          
SEQRES   4 C  324  TYR THR TYR GLU ASP TYR LYS ASN THR ALA GLU TYR LEU          
SEQRES   5 C  324  LEU SER HIS THR LYS HIS ARG PRO GLN VAL ALA ILE ILE          
SEQRES   6 C  324  CYS GLY SER GLY LEU GLY GLY LEU THR ASP LYS LEU THR          
SEQRES   7 C  324  GLN ALA GLN ILE PHE ASP TYR SER GLU ILE PRO ASN PHE          
SEQRES   8 C  324  PRO ARG SER THR VAL PRO GLY HIS ALA GLY ARG LEU VAL          
SEQRES   9 C  324  PHE GLY PHE LEU ASN GLY ARG ALA CYS VAL MET MET GLN          
SEQRES  10 C  324  GLY ARG PHE HIS MET TYR GLU GLY TYR PRO LEU TYR LYS          
SEQRES  11 C  324  VAL THR PHE PRO VAL ARG VAL PHE HIS LEU LEU GLY VAL          
SEQRES  12 C  324  ASP THR LEU VAL VAL THR ASN ALA ALA GLY GLY LEU ASN          
SEQRES  13 C  324  PRO LYS PHE GLU VAL GLY ASP ILE MET LEU ILE ARG ASP          
SEQRES  14 C  324  HIS ILE ASN LEU PRO GLY PHE SER GLY GLN ASN PRO LEU          
SEQRES  15 C  324  ARG GLY PRO ASN ASP GLU ARG PHE GLY ASP ARG PHE PRO          
SEQRES  16 C  324  ALA MET SER ASP ALA TYR ASP ARG THR MET ARG GLN ARG          
SEQRES  17 C  324  ALA LEU SER THR TYR LYS GLN MET GLY GLU GLN ARG GLU          
SEQRES  18 C  324  LEU GLN GLU GLY THR TYR VAL MET VAL ALA GLY PRO SER          
SEQRES  19 C  324  PHE GLU THR VAL ALA GLU CYS ARG VAL LEU GLN LYS LEU          
SEQRES  20 C  324  GLY ALA ASP ALA VAL GLY MET SER THR VAL PRO GLU VAL          
SEQRES  21 C  324  ILE VAL ALA ARG HIS CYS GLY LEU ARG VAL PHE GLY PHE          
SEQRES  22 C  324  SER LEU ILE THR ASN LYS VAL ILE MET ASP TYR GLU SER          
SEQRES  23 C  324  LEU GLU LYS ALA ASN TRP GLU GLU VAL LEU ALA ALA GLY          
SEQRES  24 C  324  LYS GLN ALA ALA GLN LYS LEU GLU GLN PHE VAL SER ILE          
SEQRES  25 C  324  LEU MET ALA SER ILE PRO LEU PRO ASP LYS ALA SER              
HET    PO4  A 301       5                                                       
HET    IM5  A 302      20                                                       
HET    PO4  B 301       5                                                       
HET    IM5  B 302      20                                                       
HET    EDO  B 303       4                                                       
HET    PO4  C 301       5                                                       
HET    IM5  C 302      20                                                       
HET    EDO  C 303       4                                                       
HETNAM     PO4 PHOSPHATE ION                                                    
HETNAM     IM5 2-AMINO-7-{[(3R,4R)-3-HYDROXY-4-(HYDROXYMETHYL)                  
HETNAM   2 IM5  PYRROLIDIN-1-YL]METHYL}-3,5-DIHYDRO-4H-PYRROLO[3,2-             
HETNAM   3 IM5  D]PYRIMIDIN-4-ONE                                               
HETNAM     EDO 1,2-ETHANEDIOL                                                   
HETSYN     IM5 DADME-IMMG                                                       
HETSYN     EDO ETHYLENE GLYCOL                                                  
FORMUL   4  PO4    3(O4 P 3-)                                                   
FORMUL   5  IM5    3(C12 H17 N5 O3)                                             
FORMUL   8  EDO    2(C2 H6 O2)                                                  
FORMUL  12  HOH   *323(H2 O)                                                    
HELIX    1   1 THR A    6  THR A   21  1                                  16    
HELIX    2   2 LEU A   35  ASP A   40  5                                   6    
HELIX    3   3 HIS A   86  GLY A   90  5                                   5    
HELIX    4   4 PRO A   92  THR A   97  1                                   6    
HELIX    5   5 THR A   97  GLY A  107  1                                  11    
HELIX    6   6 LEU A  138  SER A  142  1                                   5    
HELIX    7   7 ASP A  167  LYS A  179  1                                  13    
HELIX    8   8 THR A  202  LEU A  212  1                                  11    
HELIX    9   9 THR A  221  CYS A  231  1                                  11    
HELIX   10  10 ASN A  256  ALA A  280  1                                  25    
HELIX   11  11 THR B    6  HIS B   20  1                                  15    
HELIX   12  12 LEU B   35  ASP B   40  5                                   6    
HELIX   13  13 SER B   51  ILE B   53  5                                   3    
HELIX   14  14 HIS B   86  GLY B   90  5                                   5    
HELIX   15  15 PRO B   92  THR B   97  1                                   6    
HELIX   16  16 THR B   97  LEU B  106  1                                  10    
HELIX   17  17 LEU B  138  SER B  142  1                                   5    
HELIX   18  18 ASP B  167  MET B  181  1                                  15    
HELIX   19  19 THR B  202  LEU B  212  1                                  11    
HELIX   20  20 THR B  221  CYS B  231  1                                  11    
HELIX   21  21 ASN B  256  ALA B  280  1                                  25    
HELIX   22  22 THR C    6  THR C   21  1                                  16    
HELIX   23  23 LEU C   35  ASP C   40  5                                   6    
HELIX   24  24 SER C   51  ILE C   53  5                                   3    
HELIX   25  25 HIS C   86  GLY C   90  5                                   5    
HELIX   26  26 PRO C   92  THR C   97  1                                   6    
HELIX   27  27 THR C   97  GLY C  107  1                                  11    
HELIX   28  28 LEU C  138  GLY C  143  1                                   6    
HELIX   29  29 ASP C  167  THR C  177  1                                  11    
HELIX   30  30 TYR C  178  GLY C  182  5                                   5    
HELIX   31  31 THR C  202  GLY C  213  1                                  12    
HELIX   32  32 THR C  221  CYS C  231  1                                  11    
HELIX   33  33 ASN C  256  ALA C  267  1                                  12    
HELIX   34  34 ALA C  267  ALA C  280  1                                  14    
SHEET    1   A10 THR A  43  ASP A  49  0                                        
SHEET    2   A10 ARG A  67  LEU A  73 -1  O  LEU A  68   N  PHE A  48           
SHEET    3   A10 ARG A  76  GLN A  82 -1  O  CYS A  78   N  GLY A  71           
SHEET    4   A10 VAL A  27  CYS A  31  1  N  CYS A  31   O  MET A  81           
SHEET    5   A10 THR A 110  GLY A 119  1  O  VAL A 112   N  ALA A  28           
SHEET    6   A10 ARG A 234  LYS A 244  1  O  ASN A 243   N  GLY A 119           
SHEET    7   A10 ILE A 129  ASN A 137 -1  N  MET A 130   O  SER A 239           
SHEET    8   A10 GLN A 188  MET A 194  1  O  GLN A 188   N  LEU A 131           
SHEET    9   A10 ALA A 216  GLY A 218  1  O  ALA A 216   N  VAL A 193           
SHEET   10   A10 THR A 110  GLY A 119 -1  N  GLY A 118   O  VAL A 217           
SHEET    1   B10 THR B  43  ASP B  49  0                                        
SHEET    2   B10 ARG B  67  LEU B  73 -1  O  LEU B  68   N  PHE B  48           
SHEET    3   B10 ARG B  76  GLN B  82 -1  O  GLN B  82   N  ARG B  67           
SHEET    4   B10 VAL B  27  CYS B  31  1  N  ILE B  29   O  MET B  81           
SHEET    5   B10 THR B 110  GLY B 119  1  O  VAL B 112   N  ALA B  28           
SHEET    6   B10 ARG B 234  LYS B 244  1  O  ASN B 243   N  GLY B 119           
SHEET    7   B10 ILE B 129  ASN B 137 -1  N  ILE B 132   O  GLY B 237           
SHEET    8   B10 GLN B 188  MET B 194  1  O  GLN B 188   N  LEU B 131           
SHEET    9   B10 ALA B 216  GLY B 218  1  O  ALA B 216   N  VAL B 193           
SHEET   10   B10 THR B 110  GLY B 119 -1  N  GLY B 118   O  VAL B 217           
SHEET    1   C10 THR C  43  ASP C  49  0                                        
SHEET    2   C10 ARG C  67  LEU C  73 -1  O  LEU C  68   N  PHE C  48           
SHEET    3   C10 ARG C  76  GLN C  82 -1  O  CYS C  78   N  GLY C  71           
SHEET    4   C10 VAL C  27  CYS C  31  1  N  CYS C  31   O  MET C  81           
SHEET    5   C10 THR C 110  GLY C 119  1  O  VAL C 112   N  ALA C  28           
SHEET    6   C10 ARG C 234  LYS C 244  1  O  ARG C 234   N  LEU C 111           
SHEET    7   C10 ILE C 129  ASN C 137 -1  N  ILE C 132   O  GLY C 237           
SHEET    8   C10 GLN C 188  MET C 194  1  O  GLN C 188   N  LEU C 131           
SHEET    9   C10 ALA C 216  GLY C 218  1  O  ALA C 216   N  VAL C 193           
SHEET   10   C10 THR C 110  GLY C 119 -1  N  GLY C 118   O  VAL C 217           
CISPEP   1 GLY A  197    PRO A  198          0         7.11                     
CISPEP   2 GLY B  197    PRO B  198          0         2.90                     
CISPEP   3 GLY C  197    PRO C  198          0        13.10                     
SITE     1 AC1 11 GLY A  32  SER A  33  HIS A  64  ARG A  84                    
SITE     2 AC1 11 HIS A  86  ASN A 115  ALA A 116  SER A 220                    
SITE     3 AC1 11 IM5 A 302  HOH A 401  HOH A 509                               
SITE     1 AC2 17 TYR A  88  ALA A 116  GLY A 118  VAL A 195                    
SITE     2 AC2 17 PHE A 200  GLU A 201  VAL A 217  GLY A 218                    
SITE     3 AC2 17 MET A 219  THR A 242  ASN A 243  TRP A 257                    
SITE     4 AC2 17 PO4 A 301  HOH A 479  HOH A 509  HOH A 510                    
SITE     5 AC2 17 PHE C 159                                                     
SITE     1 AC3 10 GLY B  32  SER B  33  HIS B  64  ARG B  84                    
SITE     2 AC3 10 HIS B  86  ASN B 115  ALA B 116  SER B 220                    
SITE     3 AC3 10 IM5 B 302  HOH B 401                                          
SITE     1 AC4 19 PHE A 159  SER B  33  HIS B  86  TYR B  88                    
SITE     2 AC4 19 ALA B 116  ALA B 117  GLY B 118  VAL B 195                    
SITE     3 AC4 19 PHE B 200  GLU B 201  VAL B 217  GLY B 218                    
SITE     4 AC4 19 MET B 219  THR B 242  ASN B 243  TRP B 257                    
SITE     5 AC4 19 PO4 B 301  HOH B 486  HOH B 501                               
SITE     1 AC5  6 TYR B  10  TYR B  94  THR B  97  PHE B  98                    
SITE     2 AC5  6 ARG B 101  PRO B 146                                          
SITE     1 AC6 10 GLY C  32  SER C  33  HIS C  64  ARG C  84                    
SITE     2 AC6 10 HIS C  86  ASN C 115  ALA C 116  SER C 220                    
SITE     3 AC6 10 IM5 C 302  HOH C 401                                          
SITE     1 AC7 16 PHE B 159  TYR C  88  ALA C 116  ALA C 117                    
SITE     2 AC7 16 GLY C 118  PHE C 200  GLU C 201  VAL C 217                    
SITE     3 AC7 16 GLY C 218  MET C 219  THR C 242  ASN C 243                    
SITE     4 AC7 16 TRP C 257  PO4 C 301  HOH C 426  HOH C 512                    
SITE     1 AC8  1 HOH C 493                                                     
CRYST1   55.752  131.035  137.503  90.00  90.00  90.00 P 21 21 21   12          
ORIGX1      1.000000  0.000000  0.000000        0.00000                         
ORIGX2      0.000000  1.000000  0.000000        0.00000                         
ORIGX3      0.000000  0.000000  1.000000        0.00000                         
SCALE1      0.017937  0.000000  0.000000        0.00000                         
SCALE2      0.000000  0.007632  0.000000        0.00000                         
SCALE3      0.000000  0.000000  0.007273        0.00000