HEADER    PROTEIN KINASE INHIBITOR                25-SEP-97   1KPE              
TITLE     PKCI-TRANSITION STATE ANALOG                                          
COMPND    MOL_ID: 1;                                                            
COMPND   2 MOLECULE: PROTEIN KINASE C INTERACTING PROTEIN;                      
COMPND   3 CHAIN: A, B;                                                         
COMPND   4 SYNONYM: PKCI-1, PROTEIN KINASE C INHIBITOR 1, HINT PROTEIN, HIT     
COMPND   5 PROTEIN;                                                             
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: HPKCI-1;                                                       
SOURCE   6 EXPRESSION_SYSTEM: PICHIA PASTORIS;                                  
SOURCE   7 EXPRESSION_SYSTEM_TAXID: 4922;                                       
SOURCE   8 EXPRESSION_SYSTEM_PLASMID: PHIL-D5;                                  
SOURCE   9 EXPRESSION_SYSTEM_GENE: HPKCI-1                                      
KEYWDS    PROTEIN KINASE INHIBITOR, PKCI-1, HIT PROTEIN FAMILY, HISTIDINE TRIAD 
KEYWDS   2 PROTEIN FAMILY, NUCLEOTIDYL HYDROLASE, NUCLEOTIDYL TRANSFERASE,      
KEYWDS   3 PENTACOVALENT NUCLEOTIDYL HISTIDYL-TUNGSTATE COMPLEX                 
EXPDTA    X-RAY DIFFRACTION                                                     
AUTHOR    C.D.LIMA,M.G.KLEIN,W.A.HENDRICKSON                                    
REVDAT   5   23-OCT-24 1KPE    1       REMARK                                   
REVDAT   4   14-FEB-24 1KPE    1       REMARK LINK                              
REVDAT   3   03-AUG-11 1KPE    1       SEQRES                                   
REVDAT   2   24-FEB-09 1KPE    1       VERSN                                    
REVDAT   1   25-MAR-98 1KPE    0                                                
JRNL        AUTH   C.D.LIMA,M.G.KLEIN,W.A.HENDRICKSON                           
JRNL        TITL   STRUCTURE-BASED ANALYSIS OF CATALYSIS AND SUBSTRATE          
JRNL        TITL 2 DEFINITION IN THE HIT PROTEIN FAMILY.                        
JRNL        REF    SCIENCE                       V. 278   286 1997              
JRNL        REFN                   ISSN 0036-8075                               
JRNL        PMID   9323207                                                      
JRNL        DOI    10.1126/SCIENCE.278.5336.286                                 
REMARK   1                                                                      
REMARK   1 REFERENCE 1                                                          
REMARK   1  AUTH   C.D.LIMA,M.G.KLEIN,I.B.WEINSTEIN,W.A.HENDRICKSON             
REMARK   1  TITL   THREE-DIMENSIONAL STRUCTURE OF HUMAN PROTEIN KINASE C        
REMARK   1  TITL 2 INTERACTING PROTEIN 1, A MEMBER OF THE HIT FAMILY OF         
REMARK   1  TITL 3 PROTEINS                                                     
REMARK   1  REF    PROC.NATL.ACAD.SCI.USA        V.  93  5357 1996              
REMARK   1  REFN                   ISSN 0027-8424                               
REMARK   2                                                                      
REMARK   2 RESOLUTION.    1.80 ANGSTROMS.                                       
REMARK   3                                                                      
REMARK   3 REFINEMENT.                                                          
REMARK   3   PROGRAM     : X-PLOR 3.1                                           
REMARK   3   AUTHORS     : BRUNGER                                              
REMARK   3                                                                      
REMARK   3  DATA USED IN REFINEMENT.                                            
REMARK   3   RESOLUTION RANGE HIGH (ANGSTROMS) : 1.80                           
REMARK   3   RESOLUTION RANGE LOW  (ANGSTROMS) : 10.00                          
REMARK   3   DATA CUTOFF            (SIGMA(F)) : 2.000                          
REMARK   3   DATA CUTOFF HIGH         (ABS(F)) : 100000.000                     
REMARK   3   DATA CUTOFF LOW          (ABS(F)) : 0.1000                         
REMARK   3   COMPLETENESS (WORKING+TEST)   (%) : 78.9                           
REMARK   3   NUMBER OF REFLECTIONS             : 40772                          
REMARK   3                                                                      
REMARK   3  FIT TO DATA USED IN REFINEMENT.                                     
REMARK   3   CROSS-VALIDATION METHOD          : NULL                            
REMARK   3   FREE R VALUE TEST SET SELECTION  : NULL                            
REMARK   3   R VALUE            (WORKING SET) : 0.195                           
REMARK   3   FREE R VALUE                     : 0.223                           
REMARK   3   FREE R VALUE TEST SET SIZE   (%) : 5.000                           
REMARK   3   FREE R VALUE TEST SET COUNT      : NULL                            
REMARK   3   ESTIMATED ERROR OF FREE R VALUE  : NULL                            
REMARK   3                                                                      
REMARK   3  FIT IN THE HIGHEST RESOLUTION BIN.                                  
REMARK   3   TOTAL NUMBER OF BINS USED           : NULL                         
REMARK   3   BIN RESOLUTION RANGE HIGH       (A) : NULL                         
REMARK   3   BIN RESOLUTION RANGE LOW        (A) : NULL                         
REMARK   3   BIN COMPLETENESS (WORKING+TEST) (%) : NULL                         
REMARK   3   REFLECTIONS IN BIN    (WORKING SET) : NULL                         
REMARK   3   BIN R VALUE           (WORKING SET) : NULL                         
REMARK   3   BIN FREE R VALUE                    : NULL                         
REMARK   3   BIN FREE R VALUE TEST SET SIZE  (%) : NULL                         
REMARK   3   BIN FREE R VALUE TEST SET COUNT     : NULL                         
REMARK   3   ESTIMATED ERROR OF BIN FREE R VALUE : NULL                         
REMARK   3                                                                      
REMARK   3  NUMBER OF NON-HYDROGEN ATOMS USED IN REFINEMENT.                    
REMARK   3   PROTEIN ATOMS            : 1748                                    
REMARK   3   NUCLEIC ACID ATOMS       : 0                                       
REMARK   3   HETEROGEN ATOMS          : 27                                      
REMARK   3   SOLVENT ATOMS            : 256                                     
REMARK   3                                                                      
REMARK   3  B VALUES.                                                           
REMARK   3   FROM WILSON PLOT           (A**2) : NULL                           
REMARK   3   MEAN B VALUE      (OVERALL, A**2) : 22.50                          
REMARK   3   OVERALL ANISOTROPIC B VALUE.                                       
REMARK   3    B11 (A**2) : NULL                                                 
REMARK   3    B22 (A**2) : NULL                                                 
REMARK   3    B33 (A**2) : NULL                                                 
REMARK   3    B12 (A**2) : NULL                                                 
REMARK   3    B13 (A**2) : NULL                                                 
REMARK   3    B23 (A**2) : NULL                                                 
REMARK   3                                                                      
REMARK   3  ESTIMATED COORDINATE ERROR.                                         
REMARK   3   ESD FROM LUZZATI PLOT        (A) : NULL                            
REMARK   3   ESD FROM SIGMAA              (A) : NULL                            
REMARK   3   LOW RESOLUTION CUTOFF        (A) : NULL                            
REMARK   3                                                                      
REMARK   3  CROSS-VALIDATED ESTIMATED COORDINATE ERROR.                         
REMARK   3   ESD FROM C-V LUZZATI PLOT    (A) : NULL                            
REMARK   3   ESD FROM C-V SIGMAA          (A) : NULL                            
REMARK   3                                                                      
REMARK   3  RMS DEVIATIONS FROM IDEAL VALUES.                                   
REMARK   3   BOND LENGTHS                 (A) : 0.015                           
REMARK   3   BOND ANGLES            (DEGREES) : 1.969                           
REMARK   3   DIHEDRAL ANGLES        (DEGREES) : 26.98                           
REMARK   3   IMPROPER ANGLES        (DEGREES) : 1.760                           
REMARK   3                                                                      
REMARK   3  ISOTROPIC THERMAL MODEL : NULL                                      
REMARK   3                                                                      
REMARK   3  ISOTROPIC THERMAL FACTOR RESTRAINTS.    RMS    SIGMA                
REMARK   3   MAIN-CHAIN BOND              (A**2) : NULL  ; NULL                 
REMARK   3   MAIN-CHAIN ANGLE             (A**2) : NULL  ; NULL                 
REMARK   3   SIDE-CHAIN BOND              (A**2) : NULL  ; NULL                 
REMARK   3   SIDE-CHAIN ANGLE             (A**2) : NULL  ; NULL                 
REMARK   3                                                                      
REMARK   3  NCS MODEL : NULL                                                    
REMARK   3                                                                      
REMARK   3  NCS RESTRAINTS.                         RMS   SIGMA/WEIGHT          
REMARK   3   GROUP  1  POSITIONAL            (A) : NULL  ; NULL                 
REMARK   3   GROUP  1  B-FACTOR           (A**2) : NULL  ; NULL                 
REMARK   3                                                                      
REMARK   3  PARAMETER FILE  1  : NULL                                           
REMARK   3  TOPOLOGY FILE  1   : NULL                                           
REMARK   3                                                                      
REMARK   3  OTHER REFINEMENT REMARKS: REFINED ADW WITH GEOMETRY SIMILAR TO      
REMARK   3  THAT OF ADP WITH MODIFICATIONS TO INCLUDE A PENTACOVALENT ALPHA     
REMARK   3  TUNGSTATE POSITION, THE LONGER TUNGSTATE OXYGEN BONDS, AND THE      
REMARK   3  TUNGSTATE ATOMS.                                                    
REMARK   4                                                                      
REMARK   4 1KPE COMPLIES WITH FORMAT V. 3.30, 13-JUL-11                         
REMARK 100                                                                      
REMARK 100 THIS ENTRY HAS BEEN PROCESSED BY BNL.                                
REMARK 100 THE DEPOSITION ID IS D_1000174476.                                   
REMARK 200                                                                      
REMARK 200 EXPERIMENTAL DETAILS                                                 
REMARK 200  EXPERIMENT TYPE                : X-RAY DIFFRACTION                  
REMARK 200  DATE OF DATA COLLECTION        : 10-OCT-96                          
REMARK 200  TEMPERATURE           (KELVIN) : 110                                
REMARK 200  PH                             : 6.5                                
REMARK 200  NUMBER OF CRYSTALS USED        : 1                                  
REMARK 200                                                                      
REMARK 200  SYNCHROTRON              (Y/N) : N                                  
REMARK 200  RADIATION SOURCE               : NULL                               
REMARK 200  BEAMLINE                       : NULL                               
REMARK 200  X-RAY GENERATOR MODEL          : NULL                               
REMARK 200  MONOCHROMATIC OR LAUE    (M/L) : M                                  
REMARK 200  WAVELENGTH OR RANGE        (A) : 1.5418                             
REMARK 200  MONOCHROMATOR                  : NULL                               
REMARK 200  OPTICS                         : NULL                               
REMARK 200                                                                      
REMARK 200  DETECTOR TYPE                  : IMAGE PLATE                        
REMARK 200  DETECTOR MANUFACTURER          : RIGAKU RAXIS II                    
REMARK 200  INTENSITY-INTEGRATION SOFTWARE : DENZO                              
REMARK 200  DATA SCALING SOFTWARE          : SCALEPACK                          
REMARK 200                                                                      
REMARK 200  NUMBER OF UNIQUE REFLECTIONS   : 23339                              
REMARK 200  RESOLUTION RANGE HIGH      (A) : 1.800                              
REMARK 200  RESOLUTION RANGE LOW       (A) : 20.000                             
REMARK 200  REJECTION CRITERIA  (SIGMA(I)) : 2.000                              
REMARK 200                                                                      
REMARK 200 OVERALL.                                                             
REMARK 200  COMPLETENESS FOR RANGE     (%) : 84.3                               
REMARK 200  DATA REDUNDANCY                : 8.000                              
REMARK 200  R MERGE                    (I) : 0.08500                            
REMARK 200  R SYM                      (I) : NULL                               
REMARK 200  <I/SIGMA(I)> FOR THE DATA SET  : NULL                               
REMARK 200                                                                      
REMARK 200 IN THE HIGHEST RESOLUTION SHELL.                                     
REMARK 200  HIGHEST RESOLUTION SHELL, RANGE HIGH (A) : NULL                     
REMARK 200  HIGHEST RESOLUTION SHELL, RANGE LOW  (A) : NULL                     
REMARK 200  COMPLETENESS FOR SHELL     (%) : NULL                               
REMARK 200  DATA REDUNDANCY IN SHELL       : NULL                               
REMARK 200  R MERGE FOR SHELL          (I) : NULL                               
REMARK 200  R SYM FOR SHELL            (I) : NULL                               
REMARK 200  <I/SIGMA(I)> FOR SHELL         : NULL                               
REMARK 200                                                                      
REMARK 200 DIFFRACTION PROTOCOL: NULL                                           
REMARK 200 METHOD USED TO DETERMINE THE STRUCTURE: NULL                         
REMARK 200 SOFTWARE USED: X-PLOR 3.1                                            
REMARK 200 STARTING MODEL: NULL                                                 
REMARK 200                                                                      
REMARK 200 REMARK: NULL                                                         
REMARK 280                                                                      
REMARK 280 CRYSTAL                                                              
REMARK 280 SOLVENT CONTENT, VS   (%): 53.50                                     
REMARK 280 MATTHEWS COEFFICIENT, VM (ANGSTROMS**3/DA): 2.65                     
REMARK 280                                                                      
REMARK 280 CRYSTALLIZATION CONDITIONS: GROWN FROM PEG8K PH6.5 THE               
REMARK 280  PENTACOVALENT TRANSITION STATE ANALOG WAS PREPARED BY SOAKING       
REMARK 280  SODIUM TUNGSTATE AND ADENOSINE INTO THE CRYSTAL. THE COMPOUNDS      
REMARK 280  WERE FOUND TO BIND IN THE ACTIVE SITE OF CHAIN B. THE ACTIVE        
REMARK 280  SITE OF CHAIN A IS BLOCKED BY A LATTICE CONTACT AND IS NOT          
REMARK 280  AVAILABLE TO THE SUBSTRATE. THREE NEW BONDS ARE FORMED UPON         
REMARK 280  SOAKING THIS MIXTURE INTO THE PKCI CRYSTALS: ONE BETWEEN THE NE     
REMARK 280  OF HIS B 112 AND THE ALPHA TUNGSTATE, ONE BETWEEN THE ALPHA AND     
REMARK 280  BETA TUNGSTATE IONS, AND ONE BETWEEN THE NUCLEOSIDE RIBOSE AND      
REMARK 280  THE ALPHA TUNGSTATE ION.                                            
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       23.10000            
REMARK 290   SMTRY2   2  0.000000 -1.000000  0.000000        0.00000            
REMARK 290   SMTRY3   2  0.000000  0.000000  1.000000       40.40000            
REMARK 290   SMTRY1   3 -1.000000  0.000000  0.000000        0.00000            
REMARK 290   SMTRY2   3  0.000000  1.000000  0.000000       38.90000            
REMARK 290   SMTRY3   3  0.000000  0.000000 -1.000000       40.40000            
REMARK 290   SMTRY1   4  1.000000  0.000000  0.000000       23.10000            
REMARK 290   SMTRY2   4  0.000000 -1.000000  0.000000       38.90000            
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: DIMERIC                           
REMARK 350 SOFTWARE DETERMINED QUATERNARY STRUCTURE: DIMERIC                    
REMARK 350 SOFTWARE USED: PISA                                                  
REMARK 350 TOTAL BURIED SURFACE AREA: 4670 ANGSTROM**2                          
REMARK 350 SURFACE AREA OF THE COMPLEX: 9250 ANGSTROM**2                        
REMARK 350 CHANGE IN SOLVENT FREE ENERGY: -29.0 KCAL/MOL                        
REMARK 350 APPLY THE FOLLOWING TO CHAINS: A, B                                  
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 400                                                                      
REMARK 400 COMPOUND                                                             
REMARK 400 THE NUCLEOTIDYLATED PROTEIN STRUCTURE REPORTED HERE                  
REMARK 400 REPRESENTS A PENTACOVALENT TRANSITION STATE ANALOG FOR PKCI          
REMARK 400 IN THE CHARACTERIZED REACTION WITH ADP AS SUBSTRATE.                 
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     ACE A     1                                                      
REMARK 465     ALA A     2                                                      
REMARK 465     ASP A     3                                                      
REMARK 465     GLU A     4                                                      
REMARK 465     ILE A     5                                                      
REMARK 465     ALA A     6                                                      
REMARK 465     LYS A     7                                                      
REMARK 465     ALA A     8                                                      
REMARK 465     GLN A     9                                                      
REMARK 465     VAL A    10                                                      
REMARK 465     ALA A    11                                                      
REMARK 465     ARG A    12                                                      
REMARK 465     PRO A    13                                                      
REMARK 465     ACE B     1                                                      
REMARK 465     ALA B     2                                                      
REMARK 465     ASP B     3                                                      
REMARK 465     GLU B     4                                                      
REMARK 465     ILE B     5                                                      
REMARK 465     ALA B     6                                                      
REMARK 465     LYS B     7                                                      
REMARK 465     ALA B     8                                                      
REMARK 465     GLN B     9                                                      
REMARK 465     VAL B    10                                                      
REMARK 465     ALA B    11                                                      
REMARK 465     ARG B    12                                                      
REMARK 465     PRO B    13                                                      
REMARK 500                                                                      
REMARK 500 GEOMETRY AND STEREOCHEMISTRY                                         
REMARK 500 SUBTOPIC: CLOSE CONTACTS                                             
REMARK 500                                                                      
REMARK 500 THE FOLLOWING ATOMS THAT ARE RELATED BY CRYSTALLOGRAPHIC             
REMARK 500 SYMMETRY ARE IN CLOSE CONTACT.  AN ATOM LOCATED WITHIN 0.15          
REMARK 500 ANGSTROMS OF A SYMMETRY RELATED ATOM IS ASSUMED TO BE ON A           
REMARK 500 SPECIAL POSITION AND IS, THEREFORE, LISTED IN REMARK 375             
REMARK 500 INSTEAD OF REMARK 500.  ATOMS WITH NON-BLANK ALTERNATE               
REMARK 500 LOCATION INDICATORS ARE NOT INCLUDED IN THE CALCULATIONS.            
REMARK 500                                                                      
REMARK 500 DISTANCE CUTOFF:                                                     
REMARK 500 2.2 ANGSTROMS FOR CONTACTS NOT INVOLVING HYDROGEN ATOMS              
REMARK 500 1.6 ANGSTROMS FOR CONTACTS INVOLVING HYDROGEN ATOMS                  
REMARK 500                                                                      
REMARK 500  ATM1  RES C  SSEQI   ATM2  RES C  SSEQI  SSYMOP   DISTANCE          
REMARK 500   O    HOH A   147     O    HOH A   151     4466     2.18            
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    ASP A  16       49.50   -103.16                                   
REMARK 500                                                                      
REMARK 500 REMARK: NULL                                                         
REMARK 500                                                                      
REMARK 500 GEOMETRY AND STEREOCHEMISTRY                                         
REMARK 500 SUBTOPIC: PLANAR GROUPS                                              
REMARK 500                                                                      
REMARK 500 PLANAR GROUPS IN THE FOLLOWING RESIDUES HAVE A TOTAL                 
REMARK 500 RMS DISTANCE OF ALL ATOMS FROM THE BEST-FIT PLANE                    
REMARK 500 BY MORE THAN AN EXPECTED VALUE OF 6*RMSD, WITH AN                    
REMARK 500 RMSD 0.02 ANGSTROMS, OR AT LEAST ONE ATOM HAS                        
REMARK 500 AN RMSD GREATER THAN THIS VALUE                                      
REMARK 500 (M=MODEL NUMBER; RES=RESIDUE NAME; C=CHAIN IDENTIFIER;               
REMARK 500 SSEQ=SEQUENCE NUMBER; I=INSERTION CODE).                             
REMARK 500                                                                      
REMARK 500  M RES CSSEQI        RMS     TYPE                                    
REMARK 500    TYR A 109         0.08    SIDE CHAIN                              
REMARK 500                                                                      
REMARK 500 REMARK: NULL                                                         
REMARK 500                                                                      
REMARK 500 GEOMETRY AND STEREOCHEMISTRY                                         
REMARK 500 SUBTOPIC: MAIN CHAIN PLANARITY                                       
REMARK 500                                                                      
REMARK 500 THE FOLLOWING RESIDUES HAVE A PSEUDO PLANARITY                       
REMARK 500 TORSION ANGLE, C(I) - CA(I) - N(I+1) - O(I), GREATER                 
REMARK 500 10.0 DEGREES. (M=MODEL NUMBER; RES=RESIDUE NAME;                     
REMARK 500 C=CHAIN IDENTIFIER; SSEQ=SEQUENCE NUMBER;                            
REMARK 500 I=INSERTION CODE).                                                   
REMARK 500                                                                      
REMARK 500  M RES CSSEQI        ANGLE                                           
REMARK 500    HIS B 112        -14.53                                           
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                             ADW B 127   WB                           
REMARK 620 N RES CSSEQI ATOM                                                    
REMARK 620 1 SER B 107   OG                                                     
REMARK 620 2 ADW B 127   O1B 137.8                                              
REMARK 620 3 ADW B 127   O2B 112.3 109.4                                        
REMARK 620 4 ADW B 127   O3B  63.1 108.0 109.9                                  
REMARK 620 5 ADW B 127   O3A  50.3 108.2 110.5 110.8                            
REMARK 620 N                    1     2     3     4                             
REMARK 620                                                                      
REMARK 620 COORDINATION ANGLES FOR:  M RES CSSEQI METAL                         
REMARK 620                             ADW B 127   WA                           
REMARK 620 N RES CSSEQI ATOM                                                    
REMARK 620 1 HIS B 112   NE2                                                    
REMARK 620 2 ADW B 127   O1A  90.5                                              
REMARK 620 3 ADW B 127   O2A  88.2 120.1                                        
REMARK 620 4 ADW B 127   O3A 174.7  94.6  90.2                                  
REMARK 620 5 ADW B 127   O5'  87.2 117.8 122.0  89.4                            
REMARK 620 N                    1     2     3     4                             
REMARK 800                                                                      
REMARK 800 SITE                                                                 
REMARK 800 SITE_IDENTIFIER: HNA                                                 
REMARK 800 EVIDENCE_CODE: UNKNOWN                                               
REMARK 800 SITE_DESCRIPTION: HISTIDINE TRIAD FOR WHICH THIS FAMILY WAS NAMED.   
REMARK 800                                                                      
REMARK 800 SITE_IDENTIFIER: HNB                                                 
REMARK 800 EVIDENCE_CODE: UNKNOWN                                               
REMARK 800 SITE_DESCRIPTION: HISTIDINE TRIAD FOR WHICH THIS FAMILY WAS NAMED.   
REMARK 800                                                                      
REMARK 800 SITE_IDENTIFIER: AVA                                                 
REMARK 800 EVIDENCE_CODE: UNKNOWN                                               
REMARK 800 SITE_DESCRIPTION: ACTIVE SITE HISTIDINE RESPONSIBLE FOR FORMING      
REMARK 800  THE TRANSIENT NUCLEOTIDYL PHOSPHOHISTIDYL ENZYME INTERMEDIATE       
REMARK 800  DURING CATALYSIS. THE HISTIDINE IN THIS STRUCTURE IS INVOLVED IN    
REMARK 800  A COVALENT ADDUCT WITH A TUNGSTATE ION WHICH IS ALSO COVALENTLY     
REMARK 800  ASSOCIATED WITH A NUCLEOSIDE AND SECOND TUNGSTATE ION. THIS         
REMARK 800  PHYSICALLY REPRESENTS THE PENTACOVALENT TRANSITION STATE ANALOG     
REMARK 800  THOUGHT TO OCCUR IN THE REACTION OF PKCI WITH A NUCLEOTIDE          
REMARK 800  DIPHOSPHATE WITH THE ALPHA TUNGSTATE ION.                           
REMARK 800                                                                      
REMARK 800 SITE_IDENTIFIER: AVB                                                 
REMARK 800 EVIDENCE_CODE: UNKNOWN                                               
REMARK 800 SITE_DESCRIPTION: ACTIVE SITE HISTIDINE RESPONSIBLE FOR FORMING      
REMARK 800  THE TRANSIENT NUCLEOTIDYL PHOSPHOHISTIDYL ENZYME INTERMEDIATE       
REMARK 800  DURING CATALYSIS. THE HISTIDINE IN THIS STRUCTURE IS INVOLVED IN    
REMARK 800  A COVALENT ADDUCT WITH A TUNGSTATE ION WHICH IS ALSO COVALENTLY     
REMARK 800  ASSOCIATED WITH A NUCLEOSIDE AND SECOND TUNGSTATE ION. THIS         
REMARK 800  PHYSICALLY REPRESENTS THE PENTACOVALENT TRANSITION STATE ANALOG     
REMARK 800  THOUGHT TO OCCUR IN THE REACTION OF PKCI WITH A NUCLEOTIDE          
REMARK 800  DIPHOSPHATE WITH THE ALPHA TUNGSTATE ION.                           
REMARK 800                                                                      
REMARK 800 SITE_IDENTIFIER: AC1                                                 
REMARK 800 EVIDENCE_CODE: SOFTWARE                                              
REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE ADW B 127                 
DBREF  1KPE A    2   126  UNP    P49773   HINT1_HUMAN      1    125             
DBREF  1KPE B    2   126  UNP    P49773   HINT1_HUMAN      1    125             
SEQRES   1 A  126  ACE ALA ASP GLU ILE ALA LYS ALA GLN VAL ALA ARG PRO          
SEQRES   2 A  126  GLY GLY ASP THR ILE PHE GLY LYS ILE ILE ARG LYS GLU          
SEQRES   3 A  126  ILE PRO ALA LYS ILE ILE PHE GLU ASP ASP ARG CYS LEU          
SEQRES   4 A  126  ALA PHE HIS ASP ILE SER PRO GLN ALA PRO THR HIS PHE          
SEQRES   5 A  126  LEU VAL ILE PRO LYS LYS HIS ILE SER GLN ILE SER VAL          
SEQRES   6 A  126  ALA GLU ASP ASP ASP GLU SER LEU LEU GLY HIS LEU MET          
SEQRES   7 A  126  ILE VAL GLY LYS LYS CYS ALA ALA ASP LEU GLY LEU ASN          
SEQRES   8 A  126  LYS GLY TYR ARG MET VAL VAL ASN GLU GLY SER ASP GLY          
SEQRES   9 A  126  GLY GLN SER VAL TYR HIS VAL HIS LEU HIS VAL LEU GLY          
SEQRES  10 A  126  GLY ARG GLN MET HIS TRP PRO PRO GLY                          
SEQRES   1 B  126  ACE ALA ASP GLU ILE ALA LYS ALA GLN VAL ALA ARG PRO          
SEQRES   2 B  126  GLY GLY ASP THR ILE PHE GLY LYS ILE ILE ARG LYS GLU          
SEQRES   3 B  126  ILE PRO ALA LYS ILE ILE PHE GLU ASP ASP ARG CYS LEU          
SEQRES   4 B  126  ALA PHE HIS ASP ILE SER PRO GLN ALA PRO THR HIS PHE          
SEQRES   5 B  126  LEU VAL ILE PRO LYS LYS HIS ILE SER GLN ILE SER VAL          
SEQRES   6 B  126  ALA GLU ASP ASP ASP GLU SER LEU LEU GLY HIS LEU MET          
SEQRES   7 B  126  ILE VAL GLY LYS LYS CYS ALA ALA ASP LEU GLY LEU ASN          
SEQRES   8 B  126  LYS GLY TYR ARG MET VAL VAL ASN GLU GLY SER ASP GLY          
SEQRES   9 B  126  GLY GLN SER VAL TYR HIS VAL HIS LEU HIS VAL LEU GLY          
SEQRES  10 B  126  GLY ARG GLN MET HIS TRP PRO PRO GLY                          
HET    ADW  B 127      27                                                       
HETNAM     ADW ADENOSINE-5'-DITUNGSTATE                                         
FORMUL   3  ADW    C10 H15 N5 O10 W2                                            
FORMUL   4  HOH   *256(H2 O)                                                    
HELIX    1   1 ILE A   18  ILE A   23  1                                   6    
HELIX    2   2 ILE A   63  VAL A   65  5                                   3    
HELIX    3   3 ASP A   68  LEU A   88  5                                  21    
HELIX    4   4 GLY A  101  GLY A  104  1                                   4    
HELIX    5   5 ILE B   18  ILE B   23  1                                   6    
HELIX    6   6 ILE B   63  VAL B   65  5                                   3    
HELIX    7   7 ASP B   68  ASP B   87  5                                  20    
HELIX    8   8 GLY B  101  GLY B  104  1                                   4    
SHEET    1   A 5 TYR A  94  VAL A  98  0                                        
SHEET    2   A 5 HIS A 112  GLY A 117 -1  N  LEU A 116   O  ARG A  95           
SHEET    3   A 5 THR A  50  PRO A  56 -1  N  VAL A  54   O  LEU A 113           
SHEET    4   A 5 CYS A  38  HIS A  42 -1  N  PHE A  41   O  LEU A  53           
SHEET    5   A 5 ILE A  31  GLU A  34 -1  N  PHE A  33   O  ALA A  40           
SHEET    1   B 5 TYR B  94  VAL B  98  0                                        
SHEET    2   B 5 HIS B 112  GLY B 117 -1  N  LEU B 116   O  ARG B  95           
SHEET    3   B 5 THR B  50  PRO B  56 -1  N  VAL B  54   O  LEU B 113           
SHEET    4   B 5 CYS B  38  HIS B  42 -1  N  PHE B  41   O  LEU B  53           
SHEET    5   B 5 ILE B  31  GLU B  34 -1  N  PHE B  33   O  ALA B  40           
LINK         OG  SER B 107                 WB  ADW B 127     1555   1555  3.24  
LINK         NE2 HIS B 112                 WA  ADW B 127     1555   1555  2.52  
CISPEP   1 TRP A  123    PRO A  124          0         0.20                     
CISPEP   2 TRP B  123    PRO B  124          0         0.38                     
SITE     1 HNA  3 HIS A  51  HIS A 112  HIS A 114                               
SITE     1 HNB  3 HIS B  51  HIS B 112  HIS B 114                               
SITE     1 AVA  1 HIS A 112                                                     
SITE     1 AVB  1 HIS B 112                                                     
SITE     1 AC1 20 TRP A 123  PHE B  19  PHE B  41  HIS B  42                    
SITE     2 AC1 20 ASP B  43  ILE B  44  SER B  45  LEU B  53                    
SITE     3 AC1 20 ASN B  99  GLY B 105  GLN B 106  SER B 107                    
SITE     4 AC1 20 VAL B 108  HIS B 112  HIS B 114  HOH B 130                    
SITE     5 AC1 20 HOH B 175  HOH B 179  HOH B 184  HOH B 197                    
CRYST1   46.200   77.800   80.800  90.00  90.00  90.00 P 21 21 21    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      0.021645  0.000000  0.000000        0.00000                         
SCALE2      0.000000  0.012853  0.000000        0.00000                         
SCALE3      0.000000  0.000000  0.012376        0.00000