HEADER    TRANSFERASE                             09-DEC-09   3KZZ              
TITLE     CRYSTAL STRUCTURE OF SNAP-TAG BOUND TO ITS SUBSTRATE BENZYLGUANINE    
COMPND    MOL_ID: 1;                                                            
COMPND   2 MOLECULE: SNAP-TAG;                                                  
COMPND   3 CHAIN: A;                                                            
COMPND   4 EC: 2.1.1.63;                                                        
COMPND   5 ENGINEERED: YES;                                                     
COMPND   6 MUTATION: YES                                                        
SOURCE    MOL_ID: 1;                                                            
SOURCE   2 ORGANISM_SCIENTIFIC: HOMO SAPIENS;                                   
SOURCE   3 ORGANISM_TAXID: 9606;                                                
SOURCE   4 EXPRESSION_SYSTEM: ESCHERICHIA COLI;                                 
SOURCE   5 EXPRESSION_SYSTEM_TAXID: 562;                                        
SOURCE   6 EXPRESSION_SYSTEM_STRAIN: BL21 (DE3);                                
SOURCE   7 EXPRESSION_SYSTEM_VECTOR_TYPE: PLASMID;                              
SOURCE   8 EXPRESSION_SYSTEM_PLASMID: PRSET                                     
KEYWDS    PROTEIN TAG, PROTEIN ENGINEERING, BENZYLGUANINE, SUBSTRATE BINDING,   
KEYWDS   2 TRANSFERASE                                                          
EXPDTA    X-RAY DIFFRACTION                                                     
AUTHOR    S.SCHMITT,F.POJER,M.SCHILTZ,K.JOHNSSON                                
REVDAT   2   01-NOV-23 3KZZ    1       REMARK LINK                              
REVDAT   1   15-DEC-10 3KZZ    0                                                
JRNL        AUTH   S.SCHMITT,B.MOLLWITZ,F.POJER,M.BANNWARTH,M.SCHILTZ,          
JRNL        AUTH 2 K.JOHNSSON                                                   
JRNL        TITL   SNAP-TAG STRUCTURE                                           
JRNL        REF    TO BE PUBLISHED                                              
JRNL        REFN                                                                
REMARK   2                                                                      
REMARK   2 RESOLUTION.    1.89 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) : 1.89                           
REMARK   3   RESOLUTION RANGE LOW  (ANGSTROMS) : 38.58                          
REMARK   3   DATA CUTOFF            (SIGMA(F)) : NULL                           
REMARK   3   COMPLETENESS FOR RANGE        (%) : 100.0                          
REMARK   3   NUMBER OF REFLECTIONS             : 15293                          
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) : 0.189                           
REMARK   3   R VALUE            (WORKING SET) : 0.187                           
REMARK   3   FREE R VALUE                     : 0.222                           
REMARK   3   FREE R VALUE TEST SET SIZE   (%) : 5.000                           
REMARK   3   FREE R VALUE TEST SET COUNT      : 805                             
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) : 1.89                         
REMARK   3   BIN RESOLUTION RANGE LOW        (A) : 1.94                         
REMARK   3   REFLECTION IN BIN     (WORKING SET) : 1082                         
REMARK   3   BIN COMPLETENESS (WORKING+TEST) (%) : 100.0                        
REMARK   3   BIN R VALUE           (WORKING SET) : 0.2160                       
REMARK   3   BIN FREE R VALUE SET COUNT          : 57                           
REMARK   3   BIN FREE R VALUE                    : 0.2270                       
REMARK   3                                                                      
REMARK   3  NUMBER OF NON-HYDROGEN ATOMS USED IN REFINEMENT.                    
REMARK   3   PROTEIN ATOMS            : 1215                                    
REMARK   3   NUCLEIC ACID ATOMS       : 0                                       
REMARK   3   HETEROGEN ATOMS          : 19                                      
REMARK   3   SOLVENT ATOMS            : 114                                     
REMARK   3                                                                      
REMARK   3  B VALUES.                                                           
REMARK   3   FROM WILSON PLOT           (A**2) : 29.64                          
REMARK   3   MEAN B VALUE      (OVERALL, A**2) : 25.84                          
REMARK   3   OVERALL ANISOTROPIC B VALUE.                                       
REMARK   3    B11 (A**2) : 0.00000                                              
REMARK   3    B22 (A**2) : 0.00000                                              
REMARK   3    B33 (A**2) : 0.00000                                              
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): 0.134         
REMARK   3   ESU BASED ON FREE R VALUE                       (A): 0.128         
REMARK   3   ESU BASED ON MAXIMUM LIKELIHOOD                 (A): 0.082         
REMARK   3   ESU FOR B VALUES BASED ON MAXIMUM LIKELIHOOD (A**2): 2.679         
REMARK   3                                                                      
REMARK   3 CORRELATION COEFFICIENTS.                                            
REMARK   3   CORRELATION COEFFICIENT FO-FC      : 0.952                         
REMARK   3   CORRELATION COEFFICIENT FO-FC FREE : 0.931                         
REMARK   3                                                                      
REMARK   3  RMS DEVIATIONS FROM IDEAL VALUES        COUNT    RMS    WEIGHT      
REMARK   3   BOND LENGTHS REFINED ATOMS        (A):  1279 ; 0.015 ; 0.022       
REMARK   3   BOND LENGTHS OTHERS               (A):  NULL ;  NULL ;  NULL       
REMARK   3   BOND ANGLES REFINED ATOMS   (DEGREES):  1742 ; 1.483 ; 1.983       
REMARK   3   BOND ANGLES OTHERS          (DEGREES):  NULL ;  NULL ;  NULL       
REMARK   3   TORSION ANGLES, PERIOD 1    (DEGREES):   160 ; 5.969 ; 5.000       
REMARK   3   TORSION ANGLES, PERIOD 2    (DEGREES):    53 ;38.978 ;24.340       
REMARK   3   TORSION ANGLES, PERIOD 3    (DEGREES):   203 ;13.180 ;15.000       
REMARK   3   TORSION ANGLES, PERIOD 4    (DEGREES):     5 ;23.877 ;15.000       
REMARK   3   CHIRAL-CENTER RESTRAINTS       (A**3):   190 ; 0.097 ; 0.200       
REMARK   3   GENERAL PLANES REFINED ATOMS      (A):   979 ; 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):   790 ; 0.902 ; 1.500       
REMARK   3   MAIN-CHAIN BOND OTHER ATOMS    (A**2):  NULL ;  NULL ;  NULL       
REMARK   3   MAIN-CHAIN ANGLE REFINED ATOMS (A**2):  1266 ; 1.576 ; 2.000       
REMARK   3   MAIN-CHAIN ANGLE OTHER ATOMS   (A**2):  NULL ;  NULL ;  NULL       
REMARK   3   SIDE-CHAIN BOND REFINED ATOMS  (A**2):   489 ; 2.295 ; 3.000       
REMARK   3   SIDE-CHAIN BOND OTHER ATOMS    (A**2):  NULL ;  NULL ;  NULL       
REMARK   3   SIDE-CHAIN ANGLE REFINED ATOMS (A**2):   474 ; 3.689 ; 4.500       
REMARK   3   SIDE-CHAIN ANGLE OTHER ATOMS   (A**2):  NULL ;  NULL ;  NULL       
REMARK   3   LONG RANGE B REFINED ATOMS     (A**2):  NULL ;  NULL ;  NULL       
REMARK   3   LONG RANGE B OTHER ATOMS       (A**2):  NULL ;  NULL ;  NULL       
REMARK   3                                                                      
REMARK   3 ANISOTROPIC THERMAL FACTOR RESTRAINTS.    COUNT   RMS   WEIGHT       
REMARK   3   RIGID-BOND RESTRAINTS          (A**2):  NULL ;  NULL ;  NULL       
REMARK   3   SPHERICITY; FREE ATOMS         (A**2):  NULL ;  NULL ;  NULL       
REMARK   3   SPHERICITY; BONDED ATOMS       (A**2):  NULL ;  NULL ;  NULL       
REMARK   3                                                                      
REMARK   3  NCS RESTRAINTS STATISTICS                                           
REMARK   3   NUMBER OF DIFFERENT NCS GROUPS : NULL                              
REMARK   3                                                                      
REMARK   3  TLS DETAILS                                                         
REMARK   3   NUMBER OF TLS GROUPS  : NULL                                       
REMARK   3                                                                      
REMARK   3  BULK SOLVENT MODELLING.                                             
REMARK   3   METHOD USED : MASK                                                 
REMARK   3   PARAMETERS FOR MASK CALCULATION                                    
REMARK   3   VDW PROBE RADIUS   : 1.40                                          
REMARK   3   ION PROBE RADIUS   : 0.80                                          
REMARK   3   SHRINKAGE RADIUS   : 0.80                                          
REMARK   3                                                                      
REMARK   3  OTHER REFINEMENT REMARKS: HYDROGENS HAVE BEEN ADDED IN THE RIDING   
REMARK   3  POSITIONS                                                           
REMARK   4                                                                      
REMARK   4 3KZZ COMPLIES WITH FORMAT V. 3.30, 13-JUL-11                         
REMARK 100                                                                      
REMARK 100 THIS ENTRY HAS BEEN PROCESSED BY PDBJ ON 24-DEC-09.                  
REMARK 100 THE DEPOSITION ID IS D_1000056659.                                   
REMARK 200                                                                      
REMARK 200 EXPERIMENTAL DETAILS                                                 
REMARK 200  EXPERIMENT TYPE                : X-RAY DIFFRACTION                  
REMARK 200  DATE OF DATA COLLECTION        : 29-JAN-09                          
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               : ESRF                               
REMARK 200  BEAMLINE                       : BM30A                              
REMARK 200  X-RAY GENERATOR MODEL          : NULL                               
REMARK 200  MONOCHROMATIC OR LAUE    (M/L) : M                                  
REMARK 200  WAVELENGTH OR RANGE        (A) : 0.979653                           
REMARK 200  MONOCHROMATOR                  : DOUBLE CRYSTAL MONOCHROMATOR       
REMARK 200                                   (WITH EITHER SI (111) OR SI (311)  
REMARK 200                                   ) BETWEEN TWO CYLINDRICAL          
REMARK 200                                   PARABOLIC MIRRORS.                 
REMARK 200  OPTICS                         : NULL                               
REMARK 200                                                                      
REMARK 200  DETECTOR TYPE                  : CCD                                
REMARK 200  DETECTOR MANUFACTURER          : MAR CCD 165 MM                     
REMARK 200  INTENSITY-INTEGRATION SOFTWARE : XDS                                
REMARK 200  DATA SCALING SOFTWARE          : XDS                                
REMARK 200                                                                      
REMARK 200  NUMBER OF UNIQUE REFLECTIONS   : 16100                              
REMARK 200  RESOLUTION RANGE HIGH      (A) : 1.890                              
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     (%) : 99.7                               
REMARK 200  DATA REDUNDANCY                : 9.200                              
REMARK 200  R MERGE                    (I) : 0.06100                            
REMARK 200  R SYM                      (I) : NULL                               
REMARK 200  <I/SIGMA(I)> FOR THE DATA SET  : 32.1700                            
REMARK 200                                                                      
REMARK 200 IN THE HIGHEST RESOLUTION SHELL.                                     
REMARK 200  HIGHEST RESOLUTION SHELL, RANGE HIGH (A) : 1.89                     
REMARK 200  HIGHEST RESOLUTION SHELL, RANGE LOW  (A) : 2.01                     
REMARK 200  COMPLETENESS FOR SHELL     (%) : 98.7                               
REMARK 200  DATA REDUNDANCY IN SHELL       : 9.20                               
REMARK 200  R MERGE FOR SHELL          (I) : 0.27800                            
REMARK 200  R SYM FOR SHELL            (I) : NULL                               
REMARK 200  <I/SIGMA(I)> FOR SHELL         : 6.110                              
REMARK 200                                                                      
REMARK 200 DIFFRACTION PROTOCOL: SINGLE WAVELENGTH                              
REMARK 200 METHOD USED TO DETERMINE THE STRUCTURE: MOLECULAR REPLACEMENT        
REMARK 200 SOFTWARE USED: CCP4 PHASER                                           
REMARK 200 STARTING MODEL: PDB ENTRY 3KZY                                       
REMARK 200                                                                      
REMARK 200 REMARK: NULL                                                         
REMARK 280                                                                      
REMARK 280 CRYSTAL                                                              
REMARK 280 SOLVENT CONTENT, VS   (%): 50.51                                     
REMARK 280 MATTHEWS COEFFICIENT, VM (ANGSTROMS**3/DA): 2.49                     
REMARK 280                                                                      
REMARK 280 CRYSTALLIZATION CONDITIONS: 32% PEG3350, 100 MM BISTRIS PH 6.5,      
REMARK 280  400 MM NACL , VAPOR DIFFUSION, HANGING DROP, TEMPERATURE 291K       
REMARK 290                                                                      
REMARK 290 CRYSTALLOGRAPHIC SYMMETRY                                            
REMARK 290 SYMMETRY OPERATORS FOR SPACE GROUP: P 43 2 2                         
REMARK 290                                                                      
REMARK 290      SYMOP   SYMMETRY                                                
REMARK 290     NNNMMM   OPERATOR                                                
REMARK 290       1555   X,Y,Z                                                   
REMARK 290       2555   -X,-Y,Z+1/2                                             
REMARK 290       3555   -Y,X,Z+3/4                                              
REMARK 290       4555   Y,-X,Z+1/4                                              
REMARK 290       5555   -X,Y,-Z                                                 
REMARK 290       6555   X,-Y,-Z+1/2                                             
REMARK 290       7555   Y,X,-Z+1/4                                              
REMARK 290       8555   -Y,-X,-Z+3/4                                            
REMARK 290                                                                      
REMARK 290     WHERE NNN -> OPERATOR NUMBER                                     
REMARK 290           MMM -> TRANSLATION VECTOR                                  
REMARK 290                                                                      
REMARK 290 CRYSTALLOGRAPHIC SYMMETRY TRANSFORMATIONS                            
REMARK 290 THE FOLLOWING TRANSFORMATIONS OPERATE ON THE ATOM/HETATM             
REMARK 290 RECORDS IN THIS ENTRY TO PRODUCE CRYSTALLOGRAPHICALLY                
REMARK 290 RELATED MOLECULES.                                                   
REMARK 290   SMTRY1   1  1.000000  0.000000  0.000000        0.00000            
REMARK 290   SMTRY2   1  0.000000  1.000000  0.000000        0.00000            
REMARK 290   SMTRY3   1  0.000000  0.000000  1.000000        0.00000            
REMARK 290   SMTRY1   2 -1.000000  0.000000  0.000000        0.00000            
REMARK 290   SMTRY2   2  0.000000 -1.000000  0.000000        0.00000            
REMARK 290   SMTRY3   2  0.000000  0.000000  1.000000       32.40500            
REMARK 290   SMTRY1   3  0.000000 -1.000000  0.000000        0.00000            
REMARK 290   SMTRY2   3  1.000000  0.000000  0.000000        0.00000            
REMARK 290   SMTRY3   3  0.000000  0.000000  1.000000       48.60750            
REMARK 290   SMTRY1   4  0.000000  1.000000  0.000000        0.00000            
REMARK 290   SMTRY2   4 -1.000000  0.000000  0.000000        0.00000            
REMARK 290   SMTRY3   4  0.000000  0.000000  1.000000       16.20250            
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  1.000000  0.000000  0.000000        0.00000            
REMARK 290   SMTRY2   6  0.000000 -1.000000  0.000000        0.00000            
REMARK 290   SMTRY3   6  0.000000  0.000000 -1.000000       32.40500            
REMARK 290   SMTRY1   7  0.000000  1.000000  0.000000        0.00000            
REMARK 290   SMTRY2   7  1.000000  0.000000  0.000000        0.00000            
REMARK 290   SMTRY3   7  0.000000  0.000000 -1.000000       16.20250            
REMARK 290   SMTRY1   8  0.000000 -1.000000  0.000000        0.00000            
REMARK 290   SMTRY2   8 -1.000000  0.000000  0.000000        0.00000            
REMARK 290   SMTRY3   8  0.000000  0.000000 -1.000000       48.60750            
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: 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 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     GLY A    -2                                                      
REMARK 465     PRO A    -1                                                      
REMARK 465     GLY A     0                                                      
REMARK 465     SER A     1                                                      
REMARK 465     ASP A     2                                                      
REMARK 465     LYS A     3                                                      
REMARK 465     LYS A    36                                                      
REMARK 465     GLY A    37                                                      
REMARK 465     THR A    38                                                      
REMARK 465     SER A    39                                                      
REMARK 465     ALA A    40                                                      
REMARK 465     ALA A    41                                                      
REMARK 465     ASP A    42                                                      
REMARK 465     ALA A    43                                                      
REMARK 465     VAL A    44                                                      
REMARK 465     GLU A    45                                                      
REMARK 465     VAL A    46                                                      
REMARK 465     PRO A    47                                                      
REMARK 465     ALA A    48                                                      
REMARK 465     PRO A    49                                                      
REMARK 465     ALA A    50                                                      
REMARK 465     ALA A    51                                                      
REMARK 465     VAL A    52                                                      
REMARK 465     LEU A    53                                                      
REMARK 480                                                                      
REMARK 480 ZERO OCCUPANCY ATOM                                                  
REMARK 480 THE FOLLOWING RESIDUES HAVE ATOMS MODELED WITH ZERO                  
REMARK 480 OCCUPANCY. THE LOCATION AND PROPERTIES OF THESE ATOMS                
REMARK 480 MAY NOT BE RELIABLE. (M=MODEL NUMBER; RES=RESIDUE NAME;              
REMARK 480 C=CHAIN IDENTIFIER; SSEQ=SEQUENCE NUMBER; I=INSERTION CODE):         
REMARK 480   M RES C SSEQI ATOMS                                                
REMARK 480     ASN A   67   CA   CB   CG   OD1  ND2                             
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    CYS A   5      132.99     84.88                                   
REMARK 500    ALA A 125       -6.00     80.28                                   
REMARK 500    ILE A 141      -62.02     68.39                                   
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 A 180  ZN                            
REMARK 620 N RES CSSEQI ATOM                                                    
REMARK 620 1 CYS A   5   SG                                                     
REMARK 620 2 CYS A  24   SG  117.6                                              
REMARK 620 3 HIS A  29   NE2 106.9 111.8                                        
REMARK 620 4 HIS A  85   ND1 103.3 105.6 111.3                                  
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 ZN A 180                  
REMARK 800                                                                      
REMARK 800 SITE_IDENTIFIER: AC2                                                 
REMARK 800 EVIDENCE_CODE: SOFTWARE                                              
REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE OBG A 181                 
REMARK 900                                                                      
REMARK 900 RELATED ENTRIES                                                      
REMARK 900 RELATED ID: 3KZY   RELATED DB: PDB                                   
REMARK 900 SNAP-TAG                                                             
REMARK 900 RELATED ID: 3L00   RELATED DB: PDB                                   
REMARK 900 BENZYLATED SNAP-TAG                                                  
REMARK 999                                                                      
REMARK 999 SEQUENCE                                                             
REMARK 999 1. THE SEQUENCE HAS BEEN DEPOSITED TO EMBL WITH ACCESSION NUMBER     
REMARK 999 FR727225. 2. RESIDUE CYS145ALA IS A MUTATION.                        
DBREF  3KZZ A   -2   179  PDB    3KZZ     3KZZ            -2    179             
SEQRES   1 A  182  GLY PRO GLY SER ASP LYS ASP CYS GLU MET LYS ARG THR          
SEQRES   2 A  182  THR LEU ASP SER PRO LEU GLY LYS LEU GLU LEU SER GLY          
SEQRES   3 A  182  CYS GLU GLN GLY LEU HIS GLU ILE ILE PHE LEU GLY LYS          
SEQRES   4 A  182  GLY THR SER ALA ALA ASP ALA VAL GLU VAL PRO ALA PRO          
SEQRES   5 A  182  ALA ALA VAL LEU GLY GLY PRO GLU PRO LEU MET GLN ALA          
SEQRES   6 A  182  THR ALA TRP LEU ASN ALA TYR PHE HIS GLN PRO GLU ALA          
SEQRES   7 A  182  ILE GLU GLU PHE PRO VAL PRO ALA LEU HIS HIS PRO VAL          
SEQRES   8 A  182  PHE GLN GLN GLU SER PHE THR ARG GLN VAL LEU TRP LYS          
SEQRES   9 A  182  LEU LEU LYS VAL VAL LYS PHE GLY GLU VAL ILE SER TYR          
SEQRES  10 A  182  SER HIS LEU ALA ALA LEU ALA GLY ASN PRO ALA ALA THR          
SEQRES  11 A  182  ALA ALA VAL LYS THR ALA LEU SER GLY ASN PRO VAL PRO          
SEQRES  12 A  182  ILE LEU ILE PRO ALA HIS ARG VAL VAL GLN GLY ASP LEU          
SEQRES  13 A  182  ASP VAL GLY GLY TYR GLU GLY GLY LEU ALA VAL LYS GLU          
SEQRES  14 A  182  TRP LEU LEU ALA HIS GLU GLY HIS ARG LEU GLY LYS ARG          
HET     ZN  A 180       1                                                       
HET    OBG  A 181      18                                                       
HETNAM      ZN ZINC ION                                                         
HETNAM     OBG 6-(BENZYLOXY)-9H-PURIN-2-AMINE                                   
HETSYN     OBG O6-BENZYLGUANINE                                                 
FORMUL   2   ZN    ZN 2+                                                        
FORMUL   3  OBG    C12 H11 N5 O                                                 
FORMUL   4  HOH   *114(H2 O)                                                    
HELIX    1   1 GLU A   57  GLN A   72  1                                  16    
HELIX    2   2 PRO A   73  PHE A   79  5                                   7    
HELIX    3   3 HIS A   86  GLN A   91  1                                   6    
HELIX    4   4 SER A   93  VAL A  106  1                                  14    
HELIX    5   5 TYR A  114  ALA A  121  1                                   8    
HELIX    6   6 ALA A  126  GLY A  136  1                                  11    
HELIX    7   7 PRO A  144  HIS A  146  5                                   3    
HELIX    8   8 GLY A  161  GLU A  172  1                                  12    
SHEET    1   A 3 LYS A   8  LEU A  12  0                                        
SHEET    2   A 3 LYS A  18  CYS A  24 -1  O  LEU A  19   N  LEU A  12           
SHEET    3   A 3 GLY A  27  GLY A  35 -1  O  ILE A  32   N  GLU A  20           
SHEET    1   B 2 ILE A 112  SER A 113  0                                        
SHEET    2   B 2 VAL A 148  VAL A 149  1  O  VAL A 149   N  ILE A 112           
LINK         SG  CYS A   5                ZN    ZN A 180     1555   1555  2.35  
LINK         SG  CYS A  24                ZN    ZN A 180     1555   1555  2.31  
LINK         NE2 HIS A  29                ZN    ZN A 180     1555   1555  2.10  
LINK         ND1 HIS A  85                ZN    ZN A 180     1555   1555  1.98  
SITE     1 AC1  4 CYS A   5  CYS A  24  HIS A  29  HIS A  85                    
SITE     1 AC2 10 TYR A 114  LEU A 134  ASN A 137  ALA A 145                    
SITE     2 AC2 10 VAL A 148  GLY A 157  TYR A 158  GLU A 159                    
SITE     3 AC2 10 LYS A 165  HOH A 248                                          
CRYST1   77.160   77.160   64.810  90.00  90.00  90.00 P 43 2 2      8          
ORIGX1      1.000000  0.000000  0.000000        0.00000                         
ORIGX2      0.000000  1.000000  0.000000        0.00000                         
ORIGX3      0.000000  0.000000  1.000000        0.00000                         
SCALE1      0.012960  0.000000  0.000000        0.00000                         
SCALE2      0.000000  0.012960  0.000000        0.00000                         
SCALE3      0.000000  0.000000  0.015430        0.00000