HEADER    TRANSFERASE/TRANSFERASE INHIBITOR       20-OCT-10   3PB9              
TITLE     CRYSTAL STRUCTURE OF THE CATALYTIC DOMAIN OF HUMAN GOLGI-RESIDENT     
TITLE    2 GLUTAMINYL CYCLASE IN COMPLEX WITH 1-BENZYLIMIDAZOLE                 
COMPND    MOL_ID: 1;                                                            
COMPND   2 MOLECULE: GLUTAMINYL-PEPTIDE CYCLOTRANSFERASE-LIKE PROTEIN;          
COMPND   3 CHAIN: X;                                                            
COMPND   4 FRAGMENT: GOLGI-LUMINAL CATALYTIC DOMAIN;                            
COMPND   5 SYNONYM: GOLGI-RESIDENT GLUTAMINYL CYCLASE;                          
COMPND   6 EC: 2.3.2.5;                                                         
COMPND   7 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: QPCTL;                                                         
SOURCE   6 EXPRESSION_SYSTEM: ESCHERICHIA COLI;                                 
SOURCE   7 EXPRESSION_SYSTEM_TAXID: 562;                                        
SOURCE   8 EXPRESSION_SYSTEM_VECTOR_TYPE: PLASMID;                              
SOURCE   9 EXPRESSION_SYSTEM_PLASMID: PET32A                                    
KEYWDS    ALPHA/BETA PROTEIN, ALPHA/BETA-MIXED FOLD, GLUTAMINYL CYCLASE, GOLGI  
KEYWDS   2 MEMBRANE, TRANSFERASE-TRANSFERASE INHIBITOR COMPLEX                  
EXPDTA    X-RAY DIFFRACTION                                                     
AUTHOR    K.F.HUANG,S.S.LIAW,W.L.HUANG,C.Y.CHIA,Y.C.LO,Y.L.CHEN,A.H.J.WANG      
REVDAT   3   01-NOV-23 3PB9    1       REMARK LINK                              
REVDAT   2   03-AUG-11 3PB9    1       JRNL                                     
REVDAT   1   02-FEB-11 3PB9    0                                                
JRNL        AUTH   K.F.HUANG,S.S.LIAW,W.L.HUANG,C.Y.CHIA,Y.C.LO,Y.L.CHEN,       
JRNL        AUTH 2 A.H.J.WANG                                                   
JRNL        TITL   STRUCTURES OF HUMAN GOLGI-RESIDENT GLUTAMINYL CYCLASE AND    
JRNL        TITL 2 ITS COMPLEXES WITH INHIBITORS REVEAL A LARGE LOOP MOVEMENT   
JRNL        TITL 3 UPON INHIBITOR BINDING                                       
JRNL        REF    J.BIOL.CHEM.                  V. 286 12439 2011              
JRNL        REFN                   ISSN 0021-9258                               
JRNL        PMID   21288892                                                     
JRNL        DOI    10.1074/JBC.M110.208595                                      
REMARK   2                                                                      
REMARK   2 RESOLUTION.    1.12 ANGSTROMS.                                       
REMARK   3                                                                      
REMARK   3 REFINEMENT.                                                          
REMARK   3   PROGRAM     : REFMAC 5.5.0102                                      
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) : 1.12                           
REMARK   3   RESOLUTION RANGE LOW  (ANGSTROMS) : 30.00                          
REMARK   3   DATA CUTOFF            (SIGMA(F)) : 0.000                          
REMARK   3   COMPLETENESS FOR RANGE        (%) : 96.8                           
REMARK   3   NUMBER OF REFLECTIONS             : 102035                         
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) : 0.151                           
REMARK   3   R VALUE            (WORKING SET) : 0.150                           
REMARK   3   FREE R VALUE                     : 0.181                           
REMARK   3   FREE R VALUE TEST SET SIZE   (%) : 5.000                           
REMARK   3   FREE R VALUE TEST SET COUNT      : 5393                            
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) : 1.12                         
REMARK   3   BIN RESOLUTION RANGE LOW        (A) : 1.15                         
REMARK   3   REFLECTION IN BIN     (WORKING SET) : 6921                         
REMARK   3   BIN COMPLETENESS (WORKING+TEST) (%) : 89.74                        
REMARK   3   BIN R VALUE           (WORKING SET) : 0.2850                       
REMARK   3   BIN FREE R VALUE SET COUNT          : 351                          
REMARK   3   BIN FREE R VALUE                    : 0.2980                       
REMARK   3                                                                      
REMARK   3  NUMBER OF NON-HYDROGEN ATOMS USED IN REFINEMENT.                    
REMARK   3   PROTEIN ATOMS            : 2444                                    
REMARK   3   NUCLEIC ACID ATOMS       : 0                                       
REMARK   3   HETEROGEN ATOMS          : 13                                      
REMARK   3   SOLVENT ATOMS            : 463                                     
REMARK   3                                                                      
REMARK   3  B VALUES.                                                           
REMARK   3   FROM WILSON PLOT           (A**2) : NULL                           
REMARK   3   MEAN B VALUE      (OVERALL, A**2) : 15.41                          
REMARK   3   OVERALL ANISOTROPIC B VALUE.                                       
REMARK   3    B11 (A**2) : 0.49000                                              
REMARK   3    B22 (A**2) : -0.23000                                             
REMARK   3    B33 (A**2) : -0.26000                                             
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): NULL          
REMARK   3   ESU BASED ON FREE R VALUE                       (A): 0.035         
REMARK   3   ESU BASED ON MAXIMUM LIKELIHOOD                 (A): 0.021         
REMARK   3   ESU FOR B VALUES BASED ON MAXIMUM LIKELIHOOD (A**2): 0.974         
REMARK   3                                                                      
REMARK   3 CORRELATION COEFFICIENTS.                                            
REMARK   3   CORRELATION COEFFICIENT FO-FC      : 0.974                         
REMARK   3   CORRELATION COEFFICIENT FO-FC FREE : 0.964                         
REMARK   3                                                                      
REMARK   3  RMS DEVIATIONS FROM IDEAL VALUES        COUNT    RMS    WEIGHT      
REMARK   3   BOND LENGTHS REFINED ATOMS        (A):  2532 ; 0.028 ; 0.022       
REMARK   3   BOND LENGTHS OTHERS               (A):  NULL ;  NULL ;  NULL       
REMARK   3   BOND ANGLES REFINED ATOMS   (DEGREES):  3462 ; 2.268 ; 1.986       
REMARK   3   BOND ANGLES OTHERS          (DEGREES):  NULL ;  NULL ;  NULL       
REMARK   3   TORSION ANGLES, PERIOD 1    (DEGREES):   308 ; 6.327 ; 5.000       
REMARK   3   TORSION ANGLES, PERIOD 2    (DEGREES):   108 ;30.425 ;22.222       
REMARK   3   TORSION ANGLES, PERIOD 3    (DEGREES):   392 ;12.013 ;15.000       
REMARK   3   TORSION ANGLES, PERIOD 4    (DEGREES):    22 ;23.983 ;15.000       
REMARK   3   CHIRAL-CENTER RESTRAINTS       (A**3):   388 ; 0.136 ; 0.200       
REMARK   3   GENERAL PLANES REFINED ATOMS      (A):  1954 ; 0.015 ; 0.022       
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):  1558 ; 2.371 ; 1.500       
REMARK   3   MAIN-CHAIN BOND OTHER ATOMS    (A**2):  NULL ;  NULL ;  NULL       
REMARK   3   MAIN-CHAIN ANGLE REFINED ATOMS (A**2):  2532 ; 3.308 ; 2.000       
REMARK   3   MAIN-CHAIN ANGLE OTHER ATOMS   (A**2):  NULL ;  NULL ;  NULL       
REMARK   3   SIDE-CHAIN BOND REFINED ATOMS  (A**2):   974 ; 4.499 ; 3.000       
REMARK   3   SIDE-CHAIN BOND OTHER ATOMS    (A**2):  NULL ;  NULL ;  NULL       
REMARK   3   SIDE-CHAIN ANGLE REFINED ATOMS (A**2):   930 ; 6.158 ; 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):  2532 ; 2.664 ; 3.000       
REMARK   3   SPHERICITY; FREE ATOMS         (A**2):  NULL ;  NULL ;  NULL       
REMARK   3   SPHERICITY; BONDED ATOMS       (A**2):  NULL ;  NULL ;  NULL       
REMARK   3                                                                      
REMARK   3  NCS RESTRAINTS STATISTICS                                           
REMARK   3   NUMBER OF DIFFERENT NCS GROUPS : NULL                              
REMARK   3                                                                      
REMARK   3  TLS DETAILS                                                         
REMARK   3   NUMBER OF TLS GROUPS  : NULL                                       
REMARK   3                                                                      
REMARK   3  BULK SOLVENT MODELLING.                                             
REMARK   3   METHOD USED : MASK                                                 
REMARK   3   PARAMETERS FOR MASK CALCULATION                                    
REMARK   3   VDW PROBE RADIUS   : 1.40                                          
REMARK   3   ION PROBE RADIUS   : 0.80                                          
REMARK   3   SHRINKAGE RADIUS   : 0.80                                          
REMARK   3                                                                      
REMARK   3  OTHER REFINEMENT REMARKS: HYDROGENS HAVE BEEN ADDED IN THE RIDING   
REMARK   3  POSITIONS                                                           
REMARK   4                                                                      
REMARK   4 3PB9 COMPLIES WITH FORMAT V. 3.30, 13-JUL-11                         
REMARK 100                                                                      
REMARK 100 THIS ENTRY HAS BEEN PROCESSED BY PDBJ ON 04-NOV-10.                  
REMARK 100 THE DEPOSITION ID IS D_1000062181.                                   
REMARK 200                                                                      
REMARK 200 EXPERIMENTAL DETAILS                                                 
REMARK 200  EXPERIMENT TYPE                : X-RAY DIFFRACTION                  
REMARK 200  DATE OF DATA COLLECTION        : 09-FEB-10                          
REMARK 200  TEMPERATURE           (KELVIN) : 100                                
REMARK 200  PH                             : 6.0                                
REMARK 200  NUMBER OF CRYSTALS USED        : 1                                  
REMARK 200                                                                      
REMARK 200  SYNCHROTRON              (Y/N) : Y                                  
REMARK 200  RADIATION SOURCE               : NSRRC                              
REMARK 200  BEAMLINE                       : BL13B1                             
REMARK 200  X-RAY GENERATOR MODEL          : NULL                               
REMARK 200  MONOCHROMATIC OR LAUE    (M/L) : M                                  
REMARK 200  WAVELENGTH OR RANGE        (A) : 1.0                                
REMARK 200  MONOCHROMATOR                  : GRAPHITE                           
REMARK 200  OPTICS                         : NULL                               
REMARK 200                                                                      
REMARK 200  DETECTOR TYPE                  : CCD                                
REMARK 200  DETECTOR MANUFACTURER          : ADSC QUANTUM 315R                  
REMARK 200  INTENSITY-INTEGRATION SOFTWARE : HKL-2000                           
REMARK 200  DATA SCALING SOFTWARE          : HKL-2000                           
REMARK 200                                                                      
REMARK 200  NUMBER OF UNIQUE REFLECTIONS   : 107676                             
REMARK 200  RESOLUTION RANGE HIGH      (A) : 1.120                              
REMARK 200  RESOLUTION RANGE LOW       (A) : 30.000                             
REMARK 200  REJECTION CRITERIA  (SIGMA(I)) : 3.000                              
REMARK 200                                                                      
REMARK 200 OVERALL.                                                             
REMARK 200  COMPLETENESS FOR RANGE     (%) : 96.9                               
REMARK 200  DATA REDUNDANCY                : 5.300                              
REMARK 200  R MERGE                    (I) : 0.05300                            
REMARK 200  R SYM                      (I) : NULL                               
REMARK 200  <I/SIGMA(I)> FOR THE DATA SET  : 35.2000                            
REMARK 200                                                                      
REMARK 200 IN THE HIGHEST RESOLUTION SHELL.                                     
REMARK 200  HIGHEST RESOLUTION SHELL, RANGE HIGH (A) : 1.12                     
REMARK 200  HIGHEST RESOLUTION SHELL, RANGE LOW  (A) : 1.16                     
REMARK 200  COMPLETENESS FOR SHELL     (%) : 91.0                               
REMARK 200  DATA REDUNDANCY IN SHELL       : 2.90                               
REMARK 200  R MERGE FOR SHELL          (I) : 0.41600                            
REMARK 200  R SYM FOR SHELL            (I) : NULL                               
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: 3PB4                                                 
REMARK 200                                                                      
REMARK 200 REMARK: NULL                                                         
REMARK 280                                                                      
REMARK 280 CRYSTAL                                                              
REMARK 280 SOLVENT CONTENT, VS   (%): 36.43                                     
REMARK 280 MATTHEWS COEFFICIENT, VM (ANGSTROMS**3/DA): 1.93                     
REMARK 280                                                                      
REMARK 280 CRYSTALLIZATION CONDITIONS: 30%(V/V) PEG 200, 5%(W/V) PEG 3000,      
REMARK 280  0.1M MES, PH 6.0, 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       26.78100            
REMARK 290   SMTRY2   2  0.000000 -1.000000  0.000000        0.00000            
REMARK 290   SMTRY3   2  0.000000  0.000000  1.000000       38.70100            
REMARK 290   SMTRY1   3 -1.000000  0.000000  0.000000        0.00000            
REMARK 290   SMTRY2   3  0.000000  1.000000  0.000000       34.60100            
REMARK 290   SMTRY3   3  0.000000  0.000000 -1.000000       38.70100            
REMARK 290   SMTRY1   4  1.000000  0.000000  0.000000       26.78100            
REMARK 290   SMTRY2   4  0.000000 -1.000000  0.000000       34.60100            
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: MONOMERIC                         
REMARK 350 SOFTWARE DETERMINED QUATERNARY STRUCTURE: MONOMERIC                  
REMARK 350 SOFTWARE USED: PISA                                                  
REMARK 350 APPLY THE FOLLOWING TO CHAINS: X                                     
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     SER X    53                                                      
REMARK 465     GLY X    54                                                      
REMARK 465     TRP X    55                                                      
REMARK 465     HIS X    56                                                      
REMARK 465     ARG X    57                                                      
REMARK 465     ARG X    58                                                      
REMARK 465     THR X    59                                                      
REMARK 465     GLU X    60                                                      
REMARK 465     GLU X    61                                                      
REMARK 465     LEU X    62                                                      
REMARK 465     PRO X    63                                                      
REMARK 465     LEU X    64                                                      
REMARK 465     GLY X    65                                                      
REMARK 465     ARG X    66                                                      
REMARK 465     GLU X    67                                                      
REMARK 465     LEU X    68                                                      
REMARK 465     ARG X    69                                                      
REMARK 465     VAL X    70                                                      
REMARK 465     PRO X    71                                                      
REMARK 465     LEU X    72                                                      
REMARK 465     ILE X    73                                                      
REMARK 500                                                                      
REMARK 500 GEOMETRY AND STEREOCHEMISTRY                                         
REMARK 500 SUBTOPIC: CLOSE CONTACTS IN SAME ASYMMETRIC UNIT                     
REMARK 500                                                                      
REMARK 500 THE FOLLOWING ATOMS ARE IN CLOSE CONTACT.                            
REMARK 500                                                                      
REMARK 500  ATM1  RES C  SSEQI   ATM2  RES C  SSEQI           DISTANCE          
REMARK 500   O    HOH X   826     O    HOH X   855              1.54            
REMARK 500   O    ALA X    79     O    HOH X   849              1.59            
REMARK 500   O    HOH X   830     O    HOH X   859              1.79            
REMARK 500   CG2  THR X   179     O    HOH X   839              1.81            
REMARK 500   O    HOH X   779     O    HOH X   848              1.87            
REMARK 500   O    HOH X   842     O    HOH X   852              1.94            
REMARK 500   O    HOH X   778     O    HOH X   855              2.11            
REMARK 500   CD   ARG X    80     O    HOH X   831              2.11            
REMARK 500   NH1  ARG X   161     O    HOH X   834              2.15            
REMARK 500                                                                      
REMARK 500 REMARK: NULL                                                         
REMARK 500                                                                      
REMARK 500 GEOMETRY AND STEREOCHEMISTRY                                         
REMARK 500 SUBTOPIC: CLOSE CONTACTS                                             
REMARK 500                                                                      
REMARK 500 THE FOLLOWING ATOMS THAT ARE RELATED BY CRYSTALLOGRAPHIC             
REMARK 500 SYMMETRY ARE IN CLOSE CONTACT.  AN ATOM LOCATED WITHIN 0.15          
REMARK 500 ANGSTROMS OF A SYMMETRY RELATED ATOM IS ASSUMED TO BE ON A           
REMARK 500 SPECIAL POSITION AND IS, THEREFORE, LISTED IN REMARK 375             
REMARK 500 INSTEAD OF REMARK 500.  ATOMS WITH NON-BLANK ALTERNATE               
REMARK 500 LOCATION INDICATORS ARE NOT INCLUDED IN THE CALCULATIONS.            
REMARK 500                                                                      
REMARK 500 DISTANCE CUTOFF:                                                     
REMARK 500 2.2 ANGSTROMS FOR CONTACTS NOT INVOLVING HYDROGEN ATOMS              
REMARK 500 1.6 ANGSTROMS FOR CONTACTS INVOLVING HYDROGEN ATOMS                  
REMARK 500                                                                      
REMARK 500  ATM1  RES C  SSEQI   ATM2  RES C  SSEQI  SSYMOP   DISTANCE          
REMARK 500   O    HOH X   614     O    HOH X   763     3654     1.76            
REMARK 500   O    HOH X   856     O    HOH X   860     3544     1.79            
REMARK 500   O    HOH X   777     O    HOH X   863     3554     2.02            
REMARK 500   O    HOH X   777     O    HOH X   862     3554     2.03            
REMARK 500   OE1  GLU X   230     O    HOH X   851     3554     2.06            
REMARK 500                                                                      
REMARK 500 REMARK: NULL                                                         
REMARK 500                                                                      
REMARK 500 GEOMETRY AND STEREOCHEMISTRY                                         
REMARK 500 SUBTOPIC: COVALENT BOND LENGTHS                                      
REMARK 500                                                                      
REMARK 500 THE STEREOCHEMICAL PARAMETERS OF THE FOLLOWING RESIDUES              
REMARK 500 HAVE VALUES WHICH DEVIATE FROM EXPECTED VALUES BY MORE               
REMARK 500 THAN 6*RMSD (M=MODEL NUMBER; RES=RESIDUE NAME; C=CHAIN               
REMARK 500 IDENTIFIER; SSEQ=SEQUENCE NUMBER; I=INSERTION CODE).                 
REMARK 500                                                                      
REMARK 500 STANDARD TABLE:                                                      
REMARK 500 FORMAT: (10X,I3,1X,2(A3,1X,A1,I4,A1,1X,A4,3X),1X,F6.3)               
REMARK 500                                                                      
REMARK 500 EXPECTED VALUES PROTEIN: ENGH AND HUBER, 1999                        
REMARK 500 EXPECTED VALUES NUCLEIC ACID: CLOWNEY ET AL 1996                     
REMARK 500                                                                      
REMARK 500  M RES CSSEQI ATM1   RES CSSEQI ATM2   DEVIATION                     
REMARK 500    SER X 125   CB    SER X 125   OG      0.106                       
REMARK 500    GLU X 230   N     GLU X 230   CA      0.145                       
REMARK 500    GLU X 230   CB    GLU X 230   CG     -0.198                       
REMARK 500    TRP X 231   CE2   TRP X 231   CZ2     0.114                       
REMARK 500    TRP X 231   CE3   TRP X 231   CZ3     0.189                       
REMARK 500    GLN X 245   CG    GLN X 245   CD      0.169                       
REMARK 500    MET X 266   SD    MET X 266   CE     -0.431                       
REMARK 500    ARG X 291   CZ    ARG X 291   NH2     0.086                       
REMARK 500                                                                      
REMARK 500 REMARK: NULL                                                         
REMARK 500                                                                      
REMARK 500 GEOMETRY AND STEREOCHEMISTRY                                         
REMARK 500 SUBTOPIC: COVALENT BOND ANGLES                                       
REMARK 500                                                                      
REMARK 500 THE STEREOCHEMICAL PARAMETERS OF THE FOLLOWING RESIDUES              
REMARK 500 HAVE VALUES WHICH DEVIATE FROM EXPECTED VALUES BY MORE               
REMARK 500 THAN 6*RMSD (M=MODEL NUMBER; RES=RESIDUE NAME; C=CHAIN               
REMARK 500 IDENTIFIER; SSEQ=SEQUENCE NUMBER; I=INSERTION CODE).                 
REMARK 500                                                                      
REMARK 500 STANDARD TABLE:                                                      
REMARK 500 FORMAT: (10X,I3,1X,A3,1X,A1,I4,A1,3(1X,A4,2X),12X,F5.1)              
REMARK 500                                                                      
REMARK 500 EXPECTED VALUES PROTEIN: ENGH AND HUBER, 1999                        
REMARK 500 EXPECTED VALUES NUCLEIC ACID: CLOWNEY ET AL 1996                     
REMARK 500                                                                      
REMARK 500  M RES CSSEQI ATM1   ATM2   ATM3                                     
REMARK 500    ARG X 124   NE  -  CZ  -  NH2 ANGL. DEV. =  -3.8 DEGREES          
REMARK 500    THR X 127   OG1 -  CB  -  CG2 ANGL. DEV. =  16.4 DEGREES          
REMARK 500    ASP X 147   CB  -  CG  -  OD2 ANGL. DEV. =  -7.6 DEGREES          
REMARK 500    ARG X 158   CA  -  CB  -  CG  ANGL. DEV. =  27.9 DEGREES          
REMARK 500    ARG X 161   CD  -  NE  -  CZ  ANGL. DEV. =  13.6 DEGREES          
REMARK 500    ARG X 161   NE  -  CZ  -  NH1 ANGL. DEV. =   7.6 DEGREES          
REMARK 500    ARG X 161   NE  -  CZ  -  NH2 ANGL. DEV. =  -4.1 DEGREES          
REMARK 500    ARG X 207   NE  -  CZ  -  NH1 ANGL. DEV. =   3.8 DEGREES          
REMARK 500    ARG X 207   NE  -  CZ  -  NH2 ANGL. DEV. =  -3.6 DEGREES          
REMARK 500    LYS X 229   CA  -  C   -  N   ANGL. DEV. =  13.6 DEGREES          
REMARK 500    GLU X 230   C   -  N   -  CA  ANGL. DEV. =  16.7 DEGREES          
REMARK 500    MET X 266   CG  -  SD  -  CE  ANGL. DEV. = -17.8 DEGREES          
REMARK 500                                                                      
REMARK 500 REMARK: NULL                                                         
REMARK 500                                                                      
REMARK 500 GEOMETRY AND STEREOCHEMISTRY                                         
REMARK 500 SUBTOPIC: TORSION ANGLES                                             
REMARK 500                                                                      
REMARK 500 TORSION ANGLES OUTSIDE THE EXPECTED RAMACHANDRAN REGIONS:            
REMARK 500 (M=MODEL NUMBER; RES=RESIDUE NAME; C=CHAIN IDENTIFIER;               
REMARK 500 SSEQ=SEQUENCE NUMBER; I=INSERTION CODE).                             
REMARK 500                                                                      
REMARK 500 STANDARD TABLE:                                                      
REMARK 500 FORMAT:(10X,I3,1X,A3,1X,A1,I4,A1,4X,F7.2,3X,F7.2)                    
REMARK 500                                                                      
REMARK 500 EXPECTED VALUES: GJ KLEYWEGT AND TA JONES (1996). PHI/PSI-           
REMARK 500 CHOLOGY: RAMACHANDRAN REVISITED. STRUCTURE 4, 1395 - 1400            
REMARK 500                                                                      
REMARK 500  M RES CSSEQI        PSI       PHI                                   
REMARK 500    ARG X 105       49.90   -148.72                                   
REMARK 500    LYS X 229       -0.06   -147.07                                   
REMARK 500    GLU X 230      123.70    160.65                                   
REMARK 500    ASP X 235       73.03   -112.26                                   
REMARK 500    SER X 236      159.24    177.94                                   
REMARK 500                                                                      
REMARK 500 REMARK: NULL                                                         
REMARK 620                                                                      
REMARK 620 METAL COORDINATION                                                   
REMARK 620 (M=MODEL NUMBER; RES=RESIDUE NAME; C=CHAIN IDENTIFIER;               
REMARK 620 SSEQ=SEQUENCE NUMBER; I=INSERTION CODE):                             
REMARK 620                                                                      
REMARK 620 COORDINATION ANGLES FOR:  M RES CSSEQI METAL                         
REMARK 620                              ZN X 400  ZN                            
REMARK 620 N RES CSSEQI ATOM                                                    
REMARK 620 1 ASP X 186   OD2                                                    
REMARK 620 2 GLU X 226   OE2 107.2                                              
REMARK 620 3 HIS X 351   NE2  98.6 114.6                                        
REMARK 620 4 1BN X 390   N2  114.8 112.5 108.6                                  
REMARK 620 N                    1     2     3                                   
REMARK 800                                                                      
REMARK 800 SITE                                                                 
REMARK 800 SITE_IDENTIFIER: AC1                                                 
REMARK 800 EVIDENCE_CODE: SOFTWARE                                              
REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE 1BN X 390                 
REMARK 800                                                                      
REMARK 800 SITE_IDENTIFIER: AC2                                                 
REMARK 800 EVIDENCE_CODE: SOFTWARE                                              
REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE ZN X 400                  
REMARK 900                                                                      
REMARK 900 RELATED ENTRIES                                                      
REMARK 900 RELATED ID: 3PB4   RELATED DB: PDB                                   
REMARK 900 THE SAME PROTEIN AT PH 6.0                                           
REMARK 900 RELATED ID: 3PB6   RELATED DB: PDB                                   
REMARK 900 RELATED ID: 3PB7   RELATED DB: PDB                                   
REMARK 900 RELATED ID: 3PB8   RELATED DB: PDB                                   
REMARK 900 RELATED ID: 3PBB   RELATED DB: PDB                                   
REMARK 900 RELATED ID: 3PBE   RELATED DB: PDB                                   
DBREF  3PB9 X   53   382  UNP    Q9NXS2   QPCTL_HUMAN     53    382             
SEQRES   1 X  330  SER GLY TRP HIS ARG ARG THR GLU GLU LEU PRO LEU GLY          
SEQRES   2 X  330  ARG GLU LEU ARG VAL PRO LEU ILE GLY SER LEU PRO GLU          
SEQRES   3 X  330  ALA ARG LEU ARG ARG VAL VAL GLY GLN LEU ASP PRO GLN          
SEQRES   4 X  330  ARG LEU TRP SER THR TYR LEU ARG PRO LEU LEU VAL VAL          
SEQRES   5 X  330  ARG THR PRO GLY SER PRO GLY ASN LEU GLN VAL ARG LYS          
SEQRES   6 X  330  PHE LEU GLU ALA THR LEU ARG SER LEU THR ALA GLY TRP          
SEQRES   7 X  330  HIS VAL GLU LEU ASP PRO PHE THR ALA SER THR PRO LEU          
SEQRES   8 X  330  GLY PRO VAL ASP PHE GLY ASN VAL VAL ALA THR LEU ASP          
SEQRES   9 X  330  PRO ARG ALA ALA ARG HIS LEU THR LEU ALA CYS HIS TYR          
SEQRES  10 X  330  ASP SER LYS LEU PHE PRO PRO GLY SER THR PRO PHE VAL          
SEQRES  11 X  330  GLY ALA THR ASP SER ALA VAL PRO CYS ALA LEU LEU LEU          
SEQRES  12 X  330  GLU LEU ALA GLN ALA LEU ASP LEU GLU LEU SER ARG ALA          
SEQRES  13 X  330  LYS LYS GLN ALA ALA PRO VAL THR LEU GLN LEU LEU PHE          
SEQRES  14 X  330  LEU ASP GLY GLU GLU ALA LEU LYS GLU TRP GLY PRO LYS          
SEQRES  15 X  330  ASP SER LEU TYR GLY SER ARG HIS LEU ALA GLN LEU MET          
SEQRES  16 X  330  GLU SER ILE PRO HIS SER PRO GLY PRO THR ARG ILE GLN          
SEQRES  17 X  330  ALA ILE GLU LEU PHE MET LEU LEU ASP LEU LEU GLY ALA          
SEQRES  18 X  330  PRO ASN PRO THR PHE TYR SER HIS PHE PRO ARG THR VAL          
SEQRES  19 X  330  ARG TRP PHE HIS ARG LEU ARG SER ILE GLU LYS ARG LEU          
SEQRES  20 X  330  HIS ARG LEU ASN LEU LEU GLN SER HIS PRO GLN GLU VAL          
SEQRES  21 X  330  MET TYR PHE GLN PRO GLY GLU PRO PHE GLY SER VAL GLU          
SEQRES  22 X  330  ASP ASP HIS ILE PRO PHE LEU ARG ARG GLY VAL PRO VAL          
SEQRES  23 X  330  LEU HIS LEU ILE SER THR PRO PHE PRO ALA VAL TRP HIS          
SEQRES  24 X  330  THR PRO ALA ASP THR GLU VAL ASN LEU HIS PRO PRO THR          
SEQRES  25 X  330  VAL HIS ASN LEU CYS ARG ILE LEU ALA VAL PHE LEU ALA          
SEQRES  26 X  330  GLU TYR LEU GLY LEU                                          
HET    1BN  X 390      12                                                       
HET     ZN  X 400       1                                                       
HETNAM     1BN 1-BENZYL-1H-IMIDAZOLE                                            
HETNAM      ZN ZINC ION                                                         
HETSYN     1BN 1-BENZYLIMIDAZOLE                                                
FORMUL   2  1BN    C10 H10 N2                                                   
FORMUL   3   ZN    ZN 2+                                                        
FORMUL   4  HOH   *463(H2 O)                                                    
HELIX    1   1 PRO X   77  GLN X   87  1                                  11    
HELIX    2   2 ASP X   89  TYR X   97  1                                   9    
HELIX    3   3 LEU X   98  LEU X  102  5                                   5    
HELIX    4   4 SER X  109  LEU X  126  1                                  18    
HELIX    5   5 SER X  187  LEU X  201  1                                  15    
HELIX    6   6 LEU X  201  GLN X  211  1                                  11    
HELIX    7   7 LEU X  237  ILE X  250  1                                  14    
HELIX    8   8 THR X  257  GLN X  260  5                                   4    
HELIX    9   9 PHE X  282  ARG X  284  5                                   3    
HELIX   10  10 THR X  285  LEU X  302  1                                  18    
HELIX   11  11 HIS X  328  ARG X  333  1                                   6    
HELIX   12  12 THR X  356  LEU X  360  5                                   5    
HELIX   13  13 HIS X  361  GLY X  381  1                                  21    
SHEET    1   A 6 HIS X 131  ALA X 139  0                                        
SHEET    2   A 6 VAL X 146  THR X 154 -1  O  PHE X 148   N  PHE X 137           
SHEET    3   A 6 VAL X 215  LEU X 222 -1  O  LEU X 219   N  ALA X 153           
SHEET    4   A 6 ARG X 161  HIS X 168  1  N  CYS X 167   O  LEU X 222           
SHEET    5   A 6 ILE X 262  ASP X 269  1  O  MET X 266   N  THR X 164           
SHEET    6   A 6 VAL X 338  ILE X 342  1  O  LEU X 339   N  PHE X 265           
LINK         OD2 ASP X 186                ZN    ZN X 400     1555   1555  1.99  
LINK         OE2 GLU X 226                ZN    ZN X 400     1555   1555  1.95  
LINK         NE2 HIS X 351                ZN    ZN X 400     1555   1555  2.00  
LINK         N2  1BN X 390                ZN    ZN X 400     1555   1555  1.99  
CISPEP   1 ASP X  186    SER X  187          0         5.57                     
CISPEP   2 SER X  253    PRO X  254          0         1.44                     
CISPEP   3 GLY X  255    PRO X  256          0        27.21                     
CISPEP   4 THR X  344    PRO X  345          0         6.22                     
SITE     1 AC1  9 ASP X 186  GLU X 225  GLU X 226  TRP X 231                    
SITE     2 AC1  9 ASP X 269  GLU X 325  TRP X 350  HIS X 351                    
SITE     3 AC1  9  ZN X 400                                                     
SITE     1 AC2  4 ASP X 186  GLU X 226  HIS X 351  1BN X 390                    
CRYST1   53.562   69.202   77.402  90.00  90.00  90.00 P 21 21 21    4          
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      0.018670  0.000000  0.000000        0.00000                         
SCALE2      0.000000  0.014450  0.000000        0.00000                         
SCALE3      0.000000  0.000000  0.012920        0.00000