HEADER    TRANSFERASE                             14-OCT-09   3K8Q              
TITLE     CRYSTAL STRUCTURE OF HUMAN PURINE NUCLEOSIDE PHOSPHORYLASE IN COMPLEX 
TITLE    2 WITH SERME-IMMUCILLIN H                                              
COMPND    MOL_ID: 1;                                                            
COMPND   2 MOLECULE: PURINE NUCLEOSIDE PHOSPHORYLASE;                           
COMPND   3 CHAIN: A;                                                            
COMPND   4 SYNONYM: PNP, INOSINE PHOSPHORYLASE;                                 
COMPND   5 EC: 2.4.2.1;                                                         
COMPND   6 ENGINEERED: 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;                                                       
SOURCE   6 EXPRESSION_SYSTEM: ESCHERICHIA COLI;                                 
SOURCE   7 EXPRESSION_SYSTEM_TAXID: 469008;                                     
SOURCE   8 EXPRESSION_SYSTEM_STRAIN: BL21(DE3)                                  
KEYWDS    TRANSITION STATE ANALOG INHIBITOR, HPNP, PNP, IMMUCILLIN H, SERME-    
KEYWDS   2 IMMH, CYTOSKELETON, DISEASE MUTATION, GLYCOSYLTRANSFERASE,           
KEYWDS   3 TRANSFERASE                                                          
EXPDTA    X-RAY DIFFRACTION                                                     
AUTHOR    M.HO,S.C.ALMO,V.L.SCHARMM                                             
REVDAT   5   21-FEB-24 3K8Q    1       REMARK                                   
REVDAT   4   13-OCT-21 3K8Q    1       REMARK SEQADV                            
REVDAT   3   01-NOV-17 3K8Q    1       REMARK                                   
REVDAT   2   02-MAR-11 3K8Q    1       HETSYN                                   
REVDAT   1   02-MAR-10 3K8Q    0                                                
JRNL        AUTH   M.HO,S.C.ALMO,V.L.SCHARMM                                    
JRNL        TITL   CRYSTAL STRUCTURE OF HUMAN NUCLEOSIDE PHOSPHORYLASE IN       
JRNL        TITL 2 COMPLEX WITH SERME-IMMH                                      
JRNL        REF    PROC.NATL.ACAD.SCI.USA                     2010              
JRNL        REFN                   ESSN 1091-6490                               
REMARK   2                                                                      
REMARK   2 RESOLUTION.    2.50 ANGSTROMS.                                       
REMARK   3                                                                      
REMARK   3 REFINEMENT.                                                          
REMARK   3   PROGRAM     : REFMAC 5.5.0089                                      
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) : 2.50                           
REMARK   3   RESOLUTION RANGE LOW  (ANGSTROMS) : 50.00                          
REMARK   3   DATA CUTOFF            (SIGMA(F)) : 0.000                          
REMARK   3   COMPLETENESS FOR RANGE        (%) : 99.2                           
REMARK   3   NUMBER OF REFLECTIONS             : 22843                          
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) : 0.224                           
REMARK   3   R VALUE            (WORKING SET) : 0.222                           
REMARK   3   FREE R VALUE                     : 0.262                           
REMARK   3   FREE R VALUE TEST SET SIZE   (%) : 5.100                           
REMARK   3   FREE R VALUE TEST SET COUNT      : 1175                            
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) : 2.50                         
REMARK   3   BIN RESOLUTION RANGE LOW        (A) : 2.57                         
REMARK   3   REFLECTION IN BIN     (WORKING SET) : 1464                         
REMARK   3   BIN COMPLETENESS (WORKING+TEST) (%) : 92.92                        
REMARK   3   BIN R VALUE           (WORKING SET) : 0.3220                       
REMARK   3   BIN FREE R VALUE SET COUNT          : 84                           
REMARK   3   BIN FREE R VALUE                    : 0.3430                       
REMARK   3                                                                      
REMARK   3  NUMBER OF NON-HYDROGEN ATOMS USED IN REFINEMENT.                    
REMARK   3   PROTEIN ATOMS            : 2238                                    
REMARK   3   NUCLEIC ACID ATOMS       : 0                                       
REMARK   3   HETEROGEN ATOMS          : 27                                      
REMARK   3   SOLVENT ATOMS            : 32                                      
REMARK   3                                                                      
REMARK   3  B VALUES.                                                           
REMARK   3   FROM WILSON PLOT           (A**2) : NULL                           
REMARK   3   MEAN B VALUE      (OVERALL, A**2) : 70.68                          
REMARK   3   OVERALL ANISOTROPIC B VALUE.                                       
REMARK   3    B11 (A**2) : -0.58000                                             
REMARK   3    B22 (A**2) : -0.58000                                             
REMARK   3    B33 (A**2) : 0.87000                                              
REMARK   3    B12 (A**2) : -0.29000                                             
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): 0.244         
REMARK   3   ESU BASED ON FREE R VALUE                       (A): 0.218         
REMARK   3   ESU BASED ON MAXIMUM LIKELIHOOD                 (A): 0.172         
REMARK   3   ESU FOR B VALUES BASED ON MAXIMUM LIKELIHOOD (A**2): 7.658         
REMARK   3                                                                      
REMARK   3 CORRELATION COEFFICIENTS.                                            
REMARK   3   CORRELATION COEFFICIENT FO-FC      : 0.948                         
REMARK   3   CORRELATION COEFFICIENT FO-FC FREE : 0.932                         
REMARK   3                                                                      
REMARK   3  RMS DEVIATIONS FROM IDEAL VALUES        COUNT    RMS    WEIGHT      
REMARK   3   BOND LENGTHS REFINED ATOMS        (A):  2324 ; 0.016 ; 0.022       
REMARK   3   BOND LENGTHS OTHERS               (A):  NULL ;  NULL ;  NULL       
REMARK   3   BOND ANGLES REFINED ATOMS   (DEGREES):  3147 ; 1.624 ; 1.966       
REMARK   3   BOND ANGLES OTHERS          (DEGREES):  NULL ;  NULL ;  NULL       
REMARK   3   TORSION ANGLES, PERIOD 1    (DEGREES):   287 ; 6.630 ; 5.000       
REMARK   3   TORSION ANGLES, PERIOD 2    (DEGREES):   108 ;36.044 ;23.426       
REMARK   3   TORSION ANGLES, PERIOD 3    (DEGREES):   385 ;17.509 ;15.000       
REMARK   3   TORSION ANGLES, PERIOD 4    (DEGREES):    18 ;21.888 ;15.000       
REMARK   3   CHIRAL-CENTER RESTRAINTS       (A**3):   338 ; 0.139 ; 0.200       
REMARK   3   GENERAL PLANES REFINED ATOMS      (A):  1780 ; 0.008 ; 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):  1420 ; 0.959 ; 1.500       
REMARK   3   MAIN-CHAIN BOND OTHER ATOMS    (A**2):  NULL ;  NULL ;  NULL       
REMARK   3   MAIN-CHAIN ANGLE REFINED ATOMS (A**2):  2285 ; 1.786 ; 2.000       
REMARK   3   MAIN-CHAIN ANGLE OTHER ATOMS   (A**2):  NULL ;  NULL ;  NULL       
REMARK   3   SIDE-CHAIN BOND REFINED ATOMS  (A**2):   904 ; 2.414 ; 3.000       
REMARK   3   SIDE-CHAIN BOND OTHER ATOMS    (A**2):  NULL ;  NULL ;  NULL       
REMARK   3   SIDE-CHAIN ANGLE REFINED ATOMS (A**2):   861 ; 4.029 ; 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   : 1.20                                          
REMARK   3   ION PROBE RADIUS   : 0.80                                          
REMARK   3   SHRINKAGE RADIUS   : 0.80                                          
REMARK   3                                                                      
REMARK   3  OTHER REFINEMENT REMARKS: REFINED INDIVIDUALLY A POSITIVE DENSITY   
REMARK   3  IN VICINITY OF SER33 IS NOT MODELED.                                
REMARK   4                                                                      
REMARK   4 3K8Q COMPLIES WITH FORMAT V. 3.30, 13-JUL-11                         
REMARK 100                                                                      
REMARK 100 THIS ENTRY HAS BEEN PROCESSED BY RCSB ON 19-JAN-10.                  
REMARK 100 THE DEPOSITION ID IS D_1000055687.                                   
REMARK 200                                                                      
REMARK 200 EXPERIMENTAL DETAILS                                                 
REMARK 200  EXPERIMENT TYPE                : X-RAY DIFFRACTION                  
REMARK 200  DATE OF DATA COLLECTION        : 25-JAN-08                          
REMARK 200  TEMPERATURE           (KELVIN) : 100                                
REMARK 200  PH                             : 5.0                                
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) : 1.0809                             
REMARK 200  MONOCHROMATOR                  : NULL                               
REMARK 200  OPTICS                         : NULL                               
REMARK 200                                                                      
REMARK 200  DETECTOR TYPE                  : CCD                                
REMARK 200  DETECTOR MANUFACTURER          : ADSC QUANTUM 315                   
REMARK 200  INTENSITY-INTEGRATION SOFTWARE : DENZO, HKL-2000                    
REMARK 200  DATA SCALING SOFTWARE          : SCALEPACK                          
REMARK 200                                                                      
REMARK 200  NUMBER OF UNIQUE REFLECTIONS   : 22843                              
REMARK 200  RESOLUTION RANGE HIGH      (A) : 2.500                              
REMARK 200  RESOLUTION RANGE LOW       (A) : 50.000                             
REMARK 200  REJECTION CRITERIA  (SIGMA(I)) : NULL                               
REMARK 200                                                                      
REMARK 200 OVERALL.                                                             
REMARK 200  COMPLETENESS FOR RANGE     (%) : 99.9                               
REMARK 200  DATA REDUNDANCY                : 10.60                              
REMARK 200  R MERGE                    (I) : 0.11100                            
REMARK 200  R SYM                      (I) : NULL                               
REMARK 200  <I/SIGMA(I)> FOR THE DATA SET  : 11.5000                            
REMARK 200                                                                      
REMARK 200 IN THE HIGHEST RESOLUTION SHELL.                                     
REMARK 200  HIGHEST RESOLUTION SHELL, RANGE HIGH (A) : 2.50                     
REMARK 200  HIGHEST RESOLUTION SHELL, RANGE LOW  (A) : 2.59                     
REMARK 200  COMPLETENESS FOR SHELL     (%) : 100.0                              
REMARK 200  DATA REDUNDANCY IN SHELL       : 9.80                               
REMARK 200  R MERGE FOR SHELL          (I) : 0.75900                            
REMARK 200  R SYM FOR SHELL            (I) : NULL                               
REMARK 200  <I/SIGMA(I)> FOR SHELL         : NULL                               
REMARK 200                                                                      
REMARK 200 DIFFRACTION PROTOCOL: SINGLE WAVELENGTH                              
REMARK 200 METHOD USED TO DETERMINE THE STRUCTURE: MOLECULAR REPLACEMENT        
REMARK 200 SOFTWARE USED: NULL                                                  
REMARK 200 STARTING MODEL: NULL                                                 
REMARK 200                                                                      
REMARK 200 REMARK: NULL                                                         
REMARK 280                                                                      
REMARK 280 CRYSTAL                                                              
REMARK 280 SOLVENT CONTENT, VS   (%): 76.12                                     
REMARK 280 MATTHEWS COEFFICIENT, VM (ANGSTROMS**3/DA): 5.15                     
REMARK 280                                                                      
REMARK 280 CRYSTALLIZATION CONDITIONS: 0.1M SODIUM CITRATE, 2.55M AMMONIUM      
REMARK 280  PHOSPHATE, PH 5.0, VAPOR DIFFUSION, SITTING DROP, TEMPERATURE       
REMARK 280  291K                                                                
REMARK 290                                                                      
REMARK 290 CRYSTALLOGRAPHIC SYMMETRY                                            
REMARK 290 SYMMETRY OPERATORS FOR SPACE GROUP: H 3 2                            
REMARK 290                                                                      
REMARK 290      SYMOP   SYMMETRY                                                
REMARK 290     NNNMMM   OPERATOR                                                
REMARK 290       1555   X,Y,Z                                                   
REMARK 290       2555   -Y,X-Y,Z                                                
REMARK 290       3555   -X+Y,-X,Z                                               
REMARK 290       4555   Y,X,-Z                                                  
REMARK 290       5555   X-Y,-Y,-Z                                               
REMARK 290       6555   -X,-X+Y,-Z                                              
REMARK 290       7555   X+2/3,Y+1/3,Z+1/3                                       
REMARK 290       8555   -Y+2/3,X-Y+1/3,Z+1/3                                    
REMARK 290       9555   -X+Y+2/3,-X+1/3,Z+1/3                                   
REMARK 290      10555   Y+2/3,X+1/3,-Z+1/3                                      
REMARK 290      11555   X-Y+2/3,-Y+1/3,-Z+1/3                                   
REMARK 290      12555   -X+2/3,-X+Y+1/3,-Z+1/3                                  
REMARK 290      13555   X+1/3,Y+2/3,Z+2/3                                       
REMARK 290      14555   -Y+1/3,X-Y+2/3,Z+2/3                                    
REMARK 290      15555   -X+Y+1/3,-X+2/3,Z+2/3                                   
REMARK 290      16555   Y+1/3,X+2/3,-Z+2/3                                      
REMARK 290      17555   X-Y+1/3,-Y+2/3,-Z+2/3                                   
REMARK 290      18555   -X+1/3,-X+Y+2/3,-Z+2/3                                  
REMARK 290                                                                      
REMARK 290     WHERE NNN -> OPERATOR NUMBER                                     
REMARK 290           MMM -> TRANSLATION VECTOR                                  
REMARK 290                                                                      
REMARK 290 CRYSTALLOGRAPHIC SYMMETRY TRANSFORMATIONS                            
REMARK 290 THE FOLLOWING TRANSFORMATIONS OPERATE ON THE ATOM/HETATM             
REMARK 290 RECORDS IN THIS ENTRY TO PRODUCE CRYSTALLOGRAPHICALLY                
REMARK 290 RELATED MOLECULES.                                                   
REMARK 290   SMTRY1   1  1.000000  0.000000  0.000000        0.00000            
REMARK 290   SMTRY2   1  0.000000  1.000000  0.000000        0.00000            
REMARK 290   SMTRY3   1  0.000000  0.000000  1.000000        0.00000            
REMARK 290   SMTRY1   2 -0.500000 -0.866025  0.000000        0.00000            
REMARK 290   SMTRY2   2  0.866025 -0.500000  0.000000        0.00000            
REMARK 290   SMTRY3   2  0.000000  0.000000  1.000000        0.00000            
REMARK 290   SMTRY1   3 -0.500000  0.866025  0.000000        0.00000            
REMARK 290   SMTRY2   3 -0.866025 -0.500000  0.000000        0.00000            
REMARK 290   SMTRY3   3  0.000000  0.000000  1.000000        0.00000            
REMARK 290   SMTRY1   4 -0.500000  0.866025  0.000000        0.00000            
REMARK 290   SMTRY2   4  0.866025  0.500000  0.000000        0.00000            
REMARK 290   SMTRY3   4  0.000000  0.000000 -1.000000        0.00000            
REMARK 290   SMTRY1   5  1.000000  0.000000  0.000000        0.00000            
REMARK 290   SMTRY2   5  0.000000 -1.000000  0.000000        0.00000            
REMARK 290   SMTRY3   5  0.000000  0.000000 -1.000000        0.00000            
REMARK 290   SMTRY1   6 -0.500000 -0.866025  0.000000        0.00000            
REMARK 290   SMTRY2   6 -0.866025  0.500000  0.000000        0.00000            
REMARK 290   SMTRY3   6  0.000000  0.000000 -1.000000        0.00000            
REMARK 290   SMTRY1   7  1.000000  0.000000  0.000000       71.48400            
REMARK 290   SMTRY2   7  0.000000  1.000000  0.000000       41.27131            
REMARK 290   SMTRY3   7  0.000000  0.000000  1.000000       56.18267            
REMARK 290   SMTRY1   8 -0.500000 -0.866025  0.000000       71.48400            
REMARK 290   SMTRY2   8  0.866025 -0.500000  0.000000       41.27131            
REMARK 290   SMTRY3   8  0.000000  0.000000  1.000000       56.18267            
REMARK 290   SMTRY1   9 -0.500000  0.866025  0.000000       71.48400            
REMARK 290   SMTRY2   9 -0.866025 -0.500000  0.000000       41.27131            
REMARK 290   SMTRY3   9  0.000000  0.000000  1.000000       56.18267            
REMARK 290   SMTRY1  10 -0.500000  0.866025  0.000000       71.48400            
REMARK 290   SMTRY2  10  0.866025  0.500000  0.000000       41.27131            
REMARK 290   SMTRY3  10  0.000000  0.000000 -1.000000       56.18267            
REMARK 290   SMTRY1  11  1.000000  0.000000  0.000000       71.48400            
REMARK 290   SMTRY2  11  0.000000 -1.000000  0.000000       41.27131            
REMARK 290   SMTRY3  11  0.000000  0.000000 -1.000000       56.18267            
REMARK 290   SMTRY1  12 -0.500000 -0.866025  0.000000       71.48400            
REMARK 290   SMTRY2  12 -0.866025  0.500000  0.000000       41.27131            
REMARK 290   SMTRY3  12  0.000000  0.000000 -1.000000       56.18267            
REMARK 290   SMTRY1  13  1.000000  0.000000  0.000000        0.00000            
REMARK 290   SMTRY2  13  0.000000  1.000000  0.000000       82.54261            
REMARK 290   SMTRY3  13  0.000000  0.000000  1.000000      112.36533            
REMARK 290   SMTRY1  14 -0.500000 -0.866025  0.000000        0.00000            
REMARK 290   SMTRY2  14  0.866025 -0.500000  0.000000       82.54261            
REMARK 290   SMTRY3  14  0.000000  0.000000  1.000000      112.36533            
REMARK 290   SMTRY1  15 -0.500000  0.866025  0.000000        0.00000            
REMARK 290   SMTRY2  15 -0.866025 -0.500000  0.000000       82.54261            
REMARK 290   SMTRY3  15  0.000000  0.000000  1.000000      112.36533            
REMARK 290   SMTRY1  16 -0.500000  0.866025  0.000000        0.00000            
REMARK 290   SMTRY2  16  0.866025  0.500000  0.000000       82.54261            
REMARK 290   SMTRY3  16  0.000000  0.000000 -1.000000      112.36533            
REMARK 290   SMTRY1  17  1.000000  0.000000  0.000000        0.00000            
REMARK 290   SMTRY2  17  0.000000 -1.000000  0.000000       82.54261            
REMARK 290   SMTRY3  17  0.000000  0.000000 -1.000000      112.36533            
REMARK 290   SMTRY1  18 -0.500000 -0.866025  0.000000        0.00000            
REMARK 290   SMTRY2  18 -0.866025  0.500000  0.000000       82.54261            
REMARK 290   SMTRY3  18  0.000000  0.000000 -1.000000      112.36533            
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 300 REMARK: THE BIOLOGICAL ASSEMBLY IS A TRIMER GENERATED FROM THE       
REMARK 300 CRYSTALLOGRAPHIC SYMMETRY OPERATOR.                                  
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: 8780 ANGSTROM**2                          
REMARK 350 SURFACE AREA OF THE COMPLEX: 31740 ANGSTROM**2                       
REMARK 350 CHANGE IN SOLVENT FREE ENERGY: -78.0 KCAL/MOL                        
REMARK 350 APPLY THE FOLLOWING TO CHAINS: A                                     
REMARK 350   BIOMT1   1  1.000000  0.000000  0.000000        0.00000            
REMARK 350   BIOMT2   1  0.000000  1.000000  0.000000        0.00000            
REMARK 350   BIOMT3   1  0.000000  0.000000  1.000000        0.00000            
REMARK 350   BIOMT1   2 -0.500000 -0.866025  0.000000        0.00000            
REMARK 350   BIOMT2   2  0.866025 -0.500000  0.000000        0.00000            
REMARK 350   BIOMT3   2  0.000000  0.000000  1.000000        0.00000            
REMARK 350   BIOMT1   3 -0.500000  0.866025  0.000000        0.00000            
REMARK 350   BIOMT2   3 -0.866025 -0.500000  0.000000        0.00000            
REMARK 350   BIOMT3   3  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     LYS A   287                                                      
REMARK 465     ALA A   288                                                      
REMARK 465     SER A   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    SER A  33      -46.30    -20.44                                   
REMARK 500    LEU A  35       67.91   -105.08                                   
REMARK 500    ASP A 167      112.68    -37.63                                   
REMARK 500    SER A 176      -78.88    -43.51                                   
REMARK 500    THR A 177      -20.58    -34.69                                   
REMARK 500    THR A 221      -56.54     83.05                                   
REMARK 500    ALA A 268      -79.15    -46.17                                   
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 22A A 290                 
REMARK 800                                                                      
REMARK 800 SITE_IDENTIFIER: AC2                                                 
REMARK 800 EVIDENCE_CODE: SOFTWARE                                              
REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE PO4 A 291                 
REMARK 800                                                                      
REMARK 800 SITE_IDENTIFIER: AC3                                                 
REMARK 800 EVIDENCE_CODE: SOFTWARE                                              
REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE PO4 A 292                 
REMARK 900                                                                      
REMARK 900 RELATED ENTRIES                                                      
REMARK 900 RELATED ID: 1RR6   RELATED DB: PDB                                   
REMARK 900 RELATED ID: 1RSZ   RELATED DB: PDB                                   
REMARK 900 RELATED ID: 3K8O   RELATED DB: PDB                                   
DBREF  3K8Q A    1   289  UNP    P00491   PNPH_HUMAN       1    289             
SEQADV 3K8Q SER A   51  UNP  P00491    GLY    51 ENGINEERED MUTATION            
SEQRES   1 A  289  MET GLU ASN GLY TYR THR TYR GLU ASP TYR LYS ASN THR          
SEQRES   2 A  289  ALA GLU TRP LEU LEU SER HIS THR LYS HIS ARG PRO GLN          
SEQRES   3 A  289  VAL ALA ILE ILE CYS GLY SER GLY LEU GLY GLY LEU THR          
SEQRES   4 A  289  ASP LYS LEU THR GLN ALA GLN ILE PHE ASP TYR SER GLU          
SEQRES   5 A  289  ILE PRO ASN PHE PRO ARG SER THR VAL PRO GLY HIS ALA          
SEQRES   6 A  289  GLY ARG LEU VAL PHE GLY PHE LEU ASN GLY ARG ALA CYS          
SEQRES   7 A  289  VAL MET MET GLN GLY ARG PHE HIS MET TYR GLU GLY TYR          
SEQRES   8 A  289  PRO LEU TRP LYS VAL THR PHE PRO VAL ARG VAL PHE HIS          
SEQRES   9 A  289  LEU LEU GLY VAL ASP THR LEU VAL VAL THR ASN ALA ALA          
SEQRES  10 A  289  GLY GLY LEU ASN PRO LYS PHE GLU VAL GLY ASP ILE MET          
SEQRES  11 A  289  LEU ILE ARG ASP HIS ILE ASN LEU PRO GLY PHE SER GLY          
SEQRES  12 A  289  GLN ASN PRO LEU ARG GLY PRO ASN ASP GLU ARG PHE GLY          
SEQRES  13 A  289  ASP ARG PHE PRO ALA MET SER ASP ALA TYR ASP ARG THR          
SEQRES  14 A  289  MET ARG GLN ARG ALA LEU SER THR TRP LYS GLN MET GLY          
SEQRES  15 A  289  GLU GLN ARG GLU LEU GLN GLU GLY THR TYR VAL MET VAL          
SEQRES  16 A  289  ALA GLY PRO SER PHE GLU THR VAL ALA GLU CYS ARG VAL          
SEQRES  17 A  289  LEU GLN LYS LEU GLY ALA ASP ALA VAL GLY MET SER THR          
SEQRES  18 A  289  VAL PRO GLU VAL ILE VAL ALA ARG HIS CYS GLY LEU ARG          
SEQRES  19 A  289  VAL PHE GLY PHE SER LEU ILE THR ASN LYS VAL ILE MET          
SEQRES  20 A  289  ASP TYR GLU SER LEU GLU LYS ALA ASN HIS GLU GLU VAL          
SEQRES  21 A  289  LEU ALA ALA GLY LYS GLN ALA ALA GLN LYS LEU GLU GLN          
SEQRES  22 A  289  PHE VAL SER ILE LEU MET ALA SER ILE PRO LEU PRO ASP          
SEQRES  23 A  289  LYS ALA SER                                                  
HET    22A  A 290      17                                                       
HET    PO4  A 291       5                                                       
HET    PO4  A 292       5                                                       
HETNAM     22A 7-({[2-HYDROXY-1-(HYDROXYMETHYL)ETHYL]AMINO}METHYL)-3,           
HETNAM   2 22A  5-DIHYDRO-4H-PYRROLO[3,2-D]PYRIMIDIN-4-ONE                      
HETNAM     PO4 PHOSPHATE ION                                                    
FORMUL   2  22A    C10 H14 N4 O3                                                
FORMUL   3  PO4    2(O4 P 3-)                                                   
FORMUL   5  HOH   *32(H2 O)                                                     
HELIX    1   1 THR A    6  SER A   19  1                                  14    
HELIX    2   3 SER A   51  ILE A   53  5                                   3    
HELIX    3   4 VAL A   61  ALA A   65  5                                   5    
HELIX    4   5 HIS A   86  GLY A   90  5                                   5    
HELIX    5   6 PRO A   92  THR A   97  1                                   6    
HELIX    6   7 THR A   97  LEU A  106  1                                  10    
HELIX    7   8 LEU A  138  SER A  142  1                                   5    
HELIX    8   9 ASP A  167  GLY A  182  1                                  16    
HELIX    9  10 THR A  202  LEU A  212  1                                  11    
HELIX   10  11 THR A  221  GLY A  232  1                                  12    
HELIX   11  12 ASN A  256  ALA A  267  1                                  12    
HELIX   12  13 ALA A  267  MET A  279  1                                  13    
HELIX   13  14 ALA A  280  ILE A  282  5                                   3    
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  ARG A  76   N  LEU A  73           
SHEET    4   A10 VAL A  27  CYS A  31  1  N  ILE A  29   O  MET A  81           
SHEET    5   A10 THR A 110  GLY A 119  1  O  VAL A 112   N  ILE A  30           
SHEET    6   A10 ARG A 234  LYS A 244  1  O  ARG A 234   N  LEU A 111           
SHEET    7   A10 ILE A 129  ASN A 137 -1  N  ILE A 132   O  GLY A 237           
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           
CISPEP   1 GLY A  197    PRO A  198          0        10.04                     
SITE     1 AC1 16 TYR A  88  ALA A 116  ALA A 117  GLY A 118                    
SITE     2 AC1 16 PHE A 159  PHE A 200  GLU A 201  VAL A 217                    
SITE     3 AC1 16 GLY A 218  MET A 219  THR A 242  ASN A 243                    
SITE     4 AC1 16 VAL A 245  HIS A 257  PO4 A 291  HOH A 295                    
SITE     1 AC2 10 GLY A  32  SER A  33  ARG A  84  HIS A  86                    
SITE     2 AC2 10 ASN A 115  ALA A 116  SER A 220  22A A 290                    
SITE     3 AC2 10 HOH A 295  HOH A 315                                          
SITE     1 AC3  4 PRO A  92  GLN A 144  ARG A 148  HOH A 321                    
CRYST1  142.968  142.968  168.548  90.00  90.00 120.00 H 3 2        18          
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      0.006995  0.004038  0.000000        0.00000                         
SCALE2      0.000000  0.008077  0.000000        0.00000                         
SCALE3      0.000000  0.000000  0.005933        0.00000