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Database: PDB
Entry: 1C9K
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HEADER    TRANSFERASE                             02-AUG-99   1C9K              
TITLE     THE THREE DIMENSIONAL STRUCTURE OF ADENOSYLCOBINAMIDE KINASE/         
TITLE    2 ADENOSYLCOBINAMIDE PHOSPHATE GUALYLYLTRANSFERASE (COBU) COMPLEXED    
TITLE    3 WITH GMP: EVIDENCE FOR A SUBSTRATE INDUCED TRANSFERASE ACTIVE SITE   
COMPND    MOL_ID: 1;                                                            
COMPND   2 MOLECULE: ADENOSYLCOBINAMIDE KINASE;                                 
COMPND   3 CHAIN: A, B, C;                                                      
COMPND   4 SYNONYM: COBU;                                                       
COMPND   5 ENGINEERED: YES                                                      
SOURCE    MOL_ID: 1;                                                            
SOURCE   2 ORGANISM_SCIENTIFIC: SALMONELLA TYPHIMURIUM;                         
SOURCE   3 ORGANISM_TAXID: 602;                                                 
SOURCE   4 EXPRESSION_SYSTEM: ESCHERICHIA COLI;                                 
SOURCE   5 EXPRESSION_SYSTEM_TAXID: 562                                         
KEYWDS    ALPHA/BETA STRUCTURE ROSSMANN FOLD P-LOOP, TRANSFERASE                
EXPDTA    X-RAY DIFFRACTION                                                     
AUTHOR    T.B.THOMPSON,M.G.THOMAS,J.C.ESCLANTE-SEMERENA,I.RAYMENT               
REVDAT   7   07-FEB-24 1C9K    1       REMARK LINK                              
REVDAT   6   31-JAN-18 1C9K    1       REMARK                                   
REVDAT   5   24-FEB-09 1C9K    1       VERSN                                    
REVDAT   4   01-APR-03 1C9K    1       JRNL                                     
REVDAT   3   27-DEC-00 1C9K    1       REMARK                                   
REVDAT   2   19-JAN-00 1C9K    1       JRNL                                     
REVDAT   1   18-AUG-99 1C9K    0                                                
JRNL        AUTH   T.B.THOMPSON,M.G.THOMAS,J.C.ESCALANTE-SEMERENA,I.RAYMENT     
JRNL        TITL   THREE-DIMENSIONAL STRUCTURE OF ADENOSYLCOBINAMIDE            
JRNL        TITL 2 KINASE/ADENOSYLCOBINAMIDE PHOSPHATE GUANYLYLTRANSFERASE      
JRNL        TITL 3 (COBU) COMPLEXED WITH GMP: EVIDENCE FOR A SUBSTRATE-INDUCED  
JRNL        TITL 4 TRANSFERASE ACTIVE SITE.                                     
JRNL        REF    BIOCHEMISTRY                  V.  38 12995 1999              
JRNL        REFN                   ISSN 0006-2960                               
JRNL        PMID   10529169                                                     
JRNL        DOI    10.1021/BI990910X                                            
REMARK   1                                                                      
REMARK   1 REFERENCE 1                                                          
REMARK   1  TITL   THREE-DIMENSIONAL STRUCTURE OF ADENOSYLCOBINAMIDE            
REMARK   1  TITL 2 KINASE/ADENOSYLCOBINAMIDE PHOSPHATE GUANYLYLTRANSFERASE FROM 
REMARK   1  TITL 3 SALMONELLA TYPHIMURIUM DETERMINED TO 2.3 A RESOLUTION        
REMARK   1  REF    BIOCHEMISTRY                  V.  37  7686 1998              
REMARK   1  REFN                   ISSN 0006-2960                               
REMARK   2                                                                      
REMARK   2 RESOLUTION.    2.20 ANGSTROMS.                                       
REMARK   3                                                                      
REMARK   3 REFINEMENT.                                                          
REMARK   3   PROGRAM     : TNT                                                  
REMARK   3   AUTHORS     : TRONRUD,TEN EYCK,MATTHEWS                            
REMARK   3                                                                      
REMARK   3  DATA USED IN REFINEMENT.                                            
REMARK   3   RESOLUTION RANGE HIGH (ANGSTROMS) : 2.20                           
REMARK   3   RESOLUTION RANGE LOW  (ANGSTROMS) : 30.00                          
REMARK   3   DATA CUTOFF            (SIGMA(F)) : 1.500                          
REMARK   3   COMPLETENESS FOR RANGE        (%) : 97.3                           
REMARK   3   NUMBER OF REFLECTIONS             : 26435                          
REMARK   3                                                                      
REMARK   3  USING DATA ABOVE SIGMA CUTOFF.                                      
REMARK   3   CROSS-VALIDATION METHOD          : NULL                            
REMARK   3   FREE R VALUE TEST SET SELECTION  : NULL                            
REMARK   3   R VALUE     (WORKING + TEST SET) : 0.191                           
REMARK   3   R VALUE            (WORKING SET) : NULL                            
REMARK   3   FREE R VALUE                     : NULL                            
REMARK   3   FREE R VALUE TEST SET SIZE   (%) : NULL                            
REMARK   3   FREE R VALUE TEST SET COUNT      : NULL                            
REMARK   3                                                                      
REMARK   3  USING ALL DATA, NO SIGMA CUTOFF.                                    
REMARK   3   R VALUE   (WORKING + TEST SET, NO CUTOFF) : NULL                   
REMARK   3   R VALUE          (WORKING SET, NO CUTOFF) : NULL                   
REMARK   3   FREE R VALUE                  (NO CUTOFF) : NULL                   
REMARK   3   FREE R VALUE TEST SET SIZE (%, NO CUTOFF) : NULL                   
REMARK   3   FREE R VALUE TEST SET COUNT   (NO CUTOFF) : NULL                   
REMARK   3   TOTAL NUMBER OF REFLECTIONS   (NO CUTOFF) : 27168                  
REMARK   3                                                                      
REMARK   3  NUMBER OF NON-HYDROGEN ATOMS USED IN REFINEMENT.                    
REMARK   3   PROTEIN ATOMS            : 3829                                    
REMARK   3   NUCLEIC ACID ATOMS       : 0                                       
REMARK   3   HETEROGEN ATOMS          : 88                                      
REMARK   3   SOLVENT ATOMS            : 336                                     
REMARK   3                                                                      
REMARK   3  WILSON B VALUE (FROM FCALC, A**2) : 41.900                          
REMARK   3                                                                      
REMARK   3  RMS DEVIATIONS FROM IDEAL VALUES.    RMS    WEIGHT  COUNT           
REMARK   3   BOND LENGTHS                 (A) : 0.011 ; NULL  ; NULL            
REMARK   3   BOND ANGLES            (DEGREES) : 2.320 ; NULL  ; NULL            
REMARK   3   TORSION ANGLES         (DEGREES) : NULL  ; NULL  ; NULL            
REMARK   3   PSEUDOROTATION ANGLES  (DEGREES) : NULL  ; NULL  ; NULL            
REMARK   3   TRIGONAL CARBON PLANES       (A) : NULL  ; NULL  ; NULL            
REMARK   3   GENERAL PLANES               (A) : NULL  ; NULL  ; NULL            
REMARK   3   ISOTROPIC THERMAL FACTORS (A**2) : NULL  ; NULL  ; NULL            
REMARK   3   NON-BONDED CONTACTS          (A) : NULL  ; NULL  ; NULL            
REMARK   3                                                                      
REMARK   3  INCORRECT CHIRAL-CENTERS (COUNT) : NULL                             
REMARK   3                                                                      
REMARK   3  BULK SOLVENT MODELING.                                              
REMARK   3   METHOD USED : NULL                                                 
REMARK   3   KSOL        : NULL                                                 
REMARK   3   BSOL        : NULL                                                 
REMARK   3                                                                      
REMARK   3  RESTRAINT LIBRARIES.                                                
REMARK   3   STEREOCHEMISTRY : TNT REFINEMENT SOFTWARE                          
REMARK   3   ISOTROPIC THERMAL FACTOR RESTRAINTS : NULL                         
REMARK   3                                                                      
REMARK   3  OTHER REFINEMENT REMARKS: USED WEIGHTED FULL MATRIX LEAST SQUARES   
REMARK   3  PROCEDURE FROM TNT                                                  
REMARK   4                                                                      
REMARK   4 1C9K COMPLIES WITH FORMAT V. 3.30, 13-JUL-11                         
REMARK 100                                                                      
REMARK 100 THIS ENTRY HAS BEEN PROCESSED BY RCSB ON 05-AUG-99.                  
REMARK 100 THE DEPOSITION ID IS D_1000009461.                                   
REMARK 200                                                                      
REMARK 200 EXPERIMENTAL DETAILS                                                 
REMARK 200  EXPERIMENT TYPE                : X-RAY DIFFRACTION                  
REMARK 200  DATE OF DATA COLLECTION        : 01-JAN-98                          
REMARK 200  TEMPERATURE           (KELVIN) : 133                                
REMARK 200  PH                             : 9.0                                
REMARK 200  NUMBER OF CRYSTALS USED        : 1                                  
REMARK 200                                                                      
REMARK 200  SYNCHROTRON              (Y/N) : Y                                  
REMARK 200  RADIATION SOURCE               : APS                                
REMARK 200  BEAMLINE                       : 14-BM-D                            
REMARK 200  X-RAY GENERATOR MODEL          : NULL                               
REMARK 200  MONOCHROMATIC OR LAUE    (M/L) : M                                  
REMARK 200  WAVELENGTH OR RANGE        (A) : 1.072                              
REMARK 200  MONOCHROMATOR                  : NULL                               
REMARK 200  OPTICS                         : NULL                               
REMARK 200                                                                      
REMARK 200  DETECTOR TYPE                  : CCD                                
REMARK 200  DETECTOR MANUFACTURER          : ADSC QUANTUM 1                     
REMARK 200  INTENSITY-INTEGRATION SOFTWARE : DENZO                              
REMARK 200  DATA SCALING SOFTWARE          : SCALEPACK                          
REMARK 200                                                                      
REMARK 200  NUMBER OF UNIQUE REFLECTIONS   : 26435                              
REMARK 200  RESOLUTION RANGE HIGH      (A) : 2.200                              
REMARK 200  RESOLUTION RANGE LOW       (A) : 30.000                             
REMARK 200  REJECTION CRITERIA  (SIGMA(I)) : 1.500                              
REMARK 200                                                                      
REMARK 200 OVERALL.                                                             
REMARK 200  COMPLETENESS FOR RANGE     (%) : 97.3                               
REMARK 200  DATA REDUNDANCY                : 5.600                              
REMARK 200  R MERGE                    (I) : 0.05300                            
REMARK 200  R SYM                      (I) : NULL                               
REMARK 200  <I/SIGMA(I)> FOR THE DATA SET  : 27.5000                            
REMARK 200                                                                      
REMARK 200 IN THE HIGHEST RESOLUTION SHELL.                                     
REMARK 200  HIGHEST RESOLUTION SHELL, RANGE HIGH (A) : 2.20                     
REMARK 200  HIGHEST RESOLUTION SHELL, RANGE LOW  (A) : 2.28                     
REMARK 200  COMPLETENESS FOR SHELL     (%) : 94.9                               
REMARK 200  DATA REDUNDANCY IN SHELL       : 2.30                               
REMARK 200  R MERGE FOR SHELL          (I) : 0.22700                            
REMARK 200  R SYM FOR SHELL            (I) : NULL                               
REMARK 200  <I/SIGMA(I)> FOR SHELL         : NULL                               
REMARK 200                                                                      
REMARK 200 DIFFRACTION PROTOCOL: SINGLE WAVELENGTH                              
REMARK 200 METHOD USED TO DETERMINE THE STRUCTURE: NULL                         
REMARK 200 SOFTWARE USED: AMORE                                                 
REMARK 200 STARTING MODEL: NULL                                                 
REMARK 200                                                                      
REMARK 200 REMARK: NULL                                                         
REMARK 280                                                                      
REMARK 280 CRYSTAL                                                              
REMARK 280 SOLVENT CONTENT, VS   (%): 43.88                                     
REMARK 280 MATTHEWS COEFFICIENT, VM (ANGSTROMS**3/DA): 2.19                     
REMARK 280                                                                      
REMARK 280 CRYSTALLIZATION CONDITIONS: 16% PEG 4000 100 MM CACL2 50 MM CHES,    
REMARK 280  PH 9.0, BATCH, TEMPERATURE 277.0K                                   
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       29.19000            
REMARK 290   SMTRY2   2  0.000000 -1.000000  0.000000        0.00000            
REMARK 290   SMTRY3   2  0.000000  0.000000  1.000000       50.82000            
REMARK 290   SMTRY1   3 -1.000000  0.000000  0.000000        0.00000            
REMARK 290   SMTRY2   3  0.000000  1.000000  0.000000       43.88500            
REMARK 290   SMTRY3   3  0.000000  0.000000 -1.000000       50.82000            
REMARK 290   SMTRY1   4  1.000000  0.000000  0.000000       29.19000            
REMARK 290   SMTRY2   4  0.000000 -1.000000  0.000000       43.88500            
REMARK 290   SMTRY3   4  0.000000  0.000000 -1.000000        0.00000            
REMARK 290                                                                      
REMARK 290 REMARK: NULL                                                         
REMARK 300                                                                      
REMARK 300 BIOMOLECULE: 1                                                       
REMARK 300 SEE REMARK 350 FOR THE AUTHOR PROVIDED AND/OR PROGRAM                
REMARK 300 GENERATED ASSEMBLY INFORMATION FOR THE STRUCTURE IN                  
REMARK 300 THIS ENTRY. THE REMARK MAY ALSO PROVIDE INFORMATION ON               
REMARK 300 BURIED SURFACE AREA.                                                 
REMARK 350                                                                      
REMARK 350 COORDINATES FOR A COMPLETE MULTIMER REPRESENTING THE KNOWN           
REMARK 350 BIOLOGICALLY SIGNIFICANT OLIGOMERIZATION STATE OF THE                
REMARK 350 MOLECULE CAN BE GENERATED BY APPLYING BIOMT TRANSFORMATIONS          
REMARK 350 GIVEN BELOW.  BOTH NON-CRYSTALLOGRAPHIC AND                          
REMARK 350 CRYSTALLOGRAPHIC OPERATIONS ARE GIVEN.                               
REMARK 350                                                                      
REMARK 350 BIOMOLECULE: 1                                                       
REMARK 350 AUTHOR DETERMINED BIOLOGICAL UNIT: TRIMERIC                          
REMARK 350 SOFTWARE DETERMINED QUATERNARY STRUCTURE: TRIMERIC                   
REMARK 350 SOFTWARE USED: PISA                                                  
REMARK 350 TOTAL BURIED SURFACE AREA: 7030 ANGSTROM**2                          
REMARK 350 SURFACE AREA OF THE COMPLEX: 21800 ANGSTROM**2                       
REMARK 350 CHANGE IN SOLVENT FREE ENERGY: -65.0 KCAL/MOL                        
REMARK 350 APPLY THE FOLLOWING TO CHAINS: A, B, C                               
REMARK 350   BIOMT1   1  1.000000  0.000000  0.000000        0.00000            
REMARK 350   BIOMT2   1  0.000000  1.000000  0.000000        0.00000            
REMARK 350   BIOMT3   1  0.000000  0.000000  1.000000        0.00000            
REMARK 465                                                                      
REMARK 465 MISSING RESIDUES                                                     
REMARK 465 THE FOLLOWING RESIDUES WERE NOT LOCATED IN THE                       
REMARK 465 EXPERIMENT. (M=MODEL NUMBER; RES=RESIDUE NAME; C=CHAIN               
REMARK 465 IDENTIFIER; SSSEQ=SEQUENCE NUMBER; I=INSERTION CODE.)                
REMARK 465                                                                      
REMARK 465   M RES C SSSEQI                                                     
REMARK 465     LEU A    35                                                      
REMARK 465     ASP A    36                                                      
REMARK 465     ASP A    37                                                      
REMARK 465     GLU A    38                                                      
REMARK 465     MET A    39                                                      
REMARK 465     ALA A    40                                                      
REMARK 465     GLY A    94                                                      
REMARK 465     GLY A    95                                                      
REMARK 465     GLU A    96                                                      
REMARK 465     ASN A    97                                                      
REMARK 465     ASP C    36                                                      
REMARK 465     ASP C    37                                                      
REMARK 465     GLU C    38                                                      
REMARK 465     MET C    39                                                      
REMARK 465     ALA C    40                                                      
REMARK 465     ALA C    41                                                      
REMARK 465     ARG C    42                                                      
REMARK 465     ILE C    43                                                      
REMARK 465     GLN C    44                                                      
REMARK 465     GLU C    58                                                      
REMARK 465     CYS C    59                                                      
REMARK 465     TRP C    60                                                      
REMARK 465     GLY C    95                                                      
REMARK 465     GLU C    96                                                      
REMARK 465     ASN C    97                                                      
REMARK 470                                                                      
REMARK 470 MISSING ATOM                                                         
REMARK 470 THE FOLLOWING RESIDUES HAVE MISSING ATOMS (M=MODEL NUMBER;           
REMARK 470 RES=RESIDUE NAME; C=CHAIN IDENTIFIER; SSEQ=SEQUENCE NUMBER;          
REMARK 470 I=INSERTION CODE):                                                   
REMARK 470   M RES CSSEQI  ATOMS                                                
REMARK 470     GLN A  25    CG   CD   OE1  NE2                                  
REMARK 470     GLN A  44    CG   CD   OE1  NE2                                  
REMARK 470     HIS A  45    CG   ND1  CD2  CE1  NE2                             
REMARK 470     HIS A  46    CG   ND1  CD2  CE1  NE2                             
REMARK 470     ARG A  55    CG   CD   NE   CZ   NH1  NH2                        
REMARK 470     GLU A 143    CG   CD   OE1  OE2                                  
REMARK 470     ARG B  14    CG   CD   NE   CZ   NH1  NH2                        
REMARK 470     GLN B  25    CG   CD   OE1  NE2                                  
REMARK 470     LEU B  35    CG   CD1  CD2                                       
REMARK 470     ASP B  36    CG   OD1  OD2                                       
REMARK 470     ASP B  37    CG   OD1  OD2                                       
REMARK 470     GLU B  38    CG   CD   OE1  OE2                                  
REMARK 470     GLN B  44    CG   CD   OE1  NE2                                  
REMARK 470     HIS B  45    CG   ND1  CD2  CE1  NE2                             
REMARK 470     HIS B  46    CG   ND1  CD2  CE1  NE2                             
REMARK 470     ARG B  55    CG   CD   NE   CZ   NH1  NH2                        
REMARK 470     ASP B  74    CG   OD1  OD2                                       
REMARK 470     GLU B  96    CG   CD   OE1  OE2                                  
REMARK 470     GLU B 100    CG   CD   OE1  OE2                                  
REMARK 470     GLU B 143    CG   CD   OE1  OE2                                  
REMARK 470     ARG C  14    CG   CD   NE   CZ   NH1  NH2                        
REMARK 470     GLN C  25    CG   CD   OE1  NE2                                  
REMARK 470     LEU C  35    CG   CD1  CD2                                       
REMARK 470     HIS C  45    CG   ND1  CD2  CE1  NE2                             
REMARK 470     HIS C  46    CG   ND1  CD2  CE1  NE2                             
REMARK 470     ARG C  55    CG   CD   NE   CZ   NH1  NH2                        
REMARK 470     ARG C  61    CG   CD   NE   CZ   NH1  NH2                        
REMARK 470     HIS C  62    CG   ND1  CD2  CE1  NE2                             
REMARK 470     ASP C  74    CG   OD1  OD2                                       
REMARK 470     GLU C 100    CG   CD   OE1  OE2                                  
REMARK 470     GLU C 143    CG   CD   OE1  OE2                                  
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    GLU B  58   N     GLU B  58   CA     -0.171                       
REMARK 500    ALA C  23   CA    ALA C  23   C      -0.165                       
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 A   9   NE  -  CZ  -  NH1 ANGL. DEV. =   4.0 DEGREES          
REMARK 500    ARG A   9   NE  -  CZ  -  NH2 ANGL. DEV. =  -3.7 DEGREES          
REMARK 500    ASP A  48   CB  -  CG  -  OD1 ANGL. DEV. =   5.6 DEGREES          
REMARK 500    ARG A  61   NE  -  CZ  -  NH1 ANGL. DEV. =   5.0 DEGREES          
REMARK 500    ASP A  64   CB  -  CG  -  OD2 ANGL. DEV. =  -5.4 DEGREES          
REMARK 500    PRO A  73   C   -  N   -  CD  ANGL. DEV. = -15.0 DEGREES          
REMARK 500    ASP A  98   CB  -  CG  -  OD1 ANGL. DEV. =   5.5 DEGREES          
REMARK 500    ASP A  98   CB  -  CG  -  OD2 ANGL. DEV. =  -6.8 DEGREES          
REMARK 500    ASP A 112   CB  -  CG  -  OD2 ANGL. DEV. =  -6.3 DEGREES          
REMARK 500    ARG A 124   NE  -  CZ  -  NH1 ANGL. DEV. =   3.7 DEGREES          
REMARK 500    ASP A 152   CB  -  CG  -  OD1 ANGL. DEV. =   5.5 DEGREES          
REMARK 500    ASP A 152   CB  -  CG  -  OD2 ANGL. DEV. =  -6.2 DEGREES          
REMARK 500    ASP B  22   CB  -  CG  -  OD1 ANGL. DEV. =   5.5 DEGREES          
REMARK 500    ASP B  22   CB  -  CG  -  OD2 ANGL. DEV. =  -5.8 DEGREES          
REMARK 500    PRO B  51   C   -  N   -  CD  ANGL. DEV. = -13.4 DEGREES          
REMARK 500    ALA B  57   CA  -  C   -  N   ANGL. DEV. = -18.0 DEGREES          
REMARK 500    ALA B  57   O   -  C   -  N   ANGL. DEV. =  16.9 DEGREES          
REMARK 500    GLU B  58   C   -  N   -  CA  ANGL. DEV. =  16.5 DEGREES          
REMARK 500    ASP B 112   CB  -  CG  -  OD2 ANGL. DEV. =  -5.8 DEGREES          
REMARK 500    ASP B 113   CB  -  CG  -  OD2 ANGL. DEV. =  -5.8 DEGREES          
REMARK 500    ASP B 152   CB  -  CG  -  OD2 ANGL. DEV. =  -6.3 DEGREES          
REMARK 500    ASP C  22   N   -  CA  -  CB  ANGL. DEV. = -13.6 DEGREES          
REMARK 500    ASP C  22   CB  -  CG  -  OD2 ANGL. DEV. =  -5.8 DEGREES          
REMARK 500    ALA C  23   O   -  C   -  N   ANGL. DEV. =  13.8 DEGREES          
REMARK 500    ARG C  61   CA  -  C   -  N   ANGL. DEV. = -19.8 DEGREES          
REMARK 500    ARG C  61   O   -  C   -  N   ANGL. DEV. =  12.3 DEGREES          
REMARK 500    HIS C  62   C   -  N   -  CA  ANGL. DEV. =  17.4 DEGREES          
REMARK 500    HIS C  62   CA  -  C   -  N   ANGL. DEV. = -13.5 DEGREES          
REMARK 500    ASP C  70   CB  -  CG  -  OD1 ANGL. DEV. =   5.8 DEGREES          
REMARK 500    ASP C  70   CB  -  CG  -  OD2 ANGL. DEV. =  -6.0 DEGREES          
REMARK 500    ASP C  75   CB  -  CG  -  OD1 ANGL. DEV. =   6.2 DEGREES          
REMARK 500    ASP C 113   CB  -  CG  -  OD1 ANGL. DEV. =   5.9 DEGREES          
REMARK 500    ASP C 113   CB  -  CG  -  OD2 ANGL. DEV. =  -7.8 DEGREES          
REMARK 500    HIS C 149   CA  -  CB  -  CG  ANGL. DEV. = -12.4 DEGREES          
REMARK 500    ASP C 152   CB  -  CG  -  OD2 ANGL. DEV. =  -5.5 DEGREES          
REMARK 500    ARG C 156   NE  -  CZ  -  NH1 ANGL. DEV. =   4.3 DEGREES          
REMARK 500    ASP C 166   CB  -  CG  -  OD1 ANGL. DEV. =   5.6 DEGREES          
REMARK 500    ASP C 166   CB  -  CG  -  OD2 ANGL. DEV. =  -5.5 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    ASP A  22       35.03    -88.50                                   
REMARK 500    PRO A  51      164.64    -48.21                                   
REMARK 500    PRO A  99      -12.89    -25.55                                   
REMARK 500    GLN A 101       34.33    -83.46                                   
REMARK 500    LEU B  35       32.58    -97.34                                   
REMARK 500    TRP B  60        8.81   -156.07                                   
REMARK 500    GLU B  96       35.01    -77.72                                   
REMARK 500    GLN B 101       23.37    -74.79                                   
REMARK 500    ASP B 103       73.44   -109.31                                   
REMARK 500    ASP C  22      -80.74    -59.88                                   
REMARK 500    ALA C  23       97.15     68.86                                   
REMARK 500    PRO C  24      -67.44    -29.96                                   
REMARK 500    ASP C  70       30.86    -95.54                                   
REMARK 500    PRO C  99        8.12    -65.44                                   
REMARK 500    ASP C 103       77.47   -101.07                                   
REMARK 500    ALA C 165      161.50    -49.34                                   
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    GLU B  58        -10.64                                           
REMARK 500                                                                      
REMARK 500 REMARK: NULL                                                         
REMARK 610                                                                      
REMARK 610 MISSING HETEROATOM                                                   
REMARK 610 THE FOLLOWING RESIDUES HAVE MISSING ATOMS (M=MODEL NUMBER;           
REMARK 610 RES=RESIDUE NAME; C=CHAIN IDENTIFIER; SSEQ=SEQUENCE NUMBER;          
REMARK 610 I=INSERTION CODE):                                                   
REMARK 610   M RES C SSEQI                                                      
REMARK 610     5GP C  606                                                       
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                              MG C 607  MG                            
REMARK 620 N RES CSSEQI ATOM                                                    
REMARK 620 1 SER C  13   OG                                                     
REMARK 620 2 GLU C  80   OE1  69.1                                              
REMARK 620 3 POP C 608   O1   55.7 113.2                                        
REMARK 620 4 POP C 608   O4  101.5 168.4  63.7                                  
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 PO4 A 600                 
REMARK 800                                                                      
REMARK 800 SITE_IDENTIFIER: AC2                                                 
REMARK 800 EVIDENCE_CODE: SOFTWARE                                              
REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE PO4 B 601                 
REMARK 800                                                                      
REMARK 800 SITE_IDENTIFIER: AC3                                                 
REMARK 800 EVIDENCE_CODE: SOFTWARE                                              
REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE MG C 607                  
REMARK 800                                                                      
REMARK 800 SITE_IDENTIFIER: AC4                                                 
REMARK 800 EVIDENCE_CODE: SOFTWARE                                              
REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE 5GP A 604                 
REMARK 800                                                                      
REMARK 800 SITE_IDENTIFIER: AC5                                                 
REMARK 800 EVIDENCE_CODE: SOFTWARE                                              
REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE 5GP B 605                 
REMARK 800                                                                      
REMARK 800 SITE_IDENTIFIER: AC6                                                 
REMARK 800 EVIDENCE_CODE: SOFTWARE                                              
REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE POP C 608                 
REMARK 800                                                                      
REMARK 800 SITE_IDENTIFIER: AC7                                                 
REMARK 800 EVIDENCE_CODE: SOFTWARE                                              
REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE 5GP C 606                 
REMARK 900                                                                      
REMARK 900 RELATED ENTRIES                                                      
REMARK 900 RELATED ID: 1CBU   RELATED DB: PDB                                   
REMARK 900 THE APO STRUCTURE OF COBU                                            
DBREF  1C9K A    1   180  UNP    Q05599   COBU_SALTY       2    181             
DBREF  1C9K B    1   180  UNP    Q05599   COBU_SALTY       2    181             
DBREF  1C9K C    1   180  UNP    Q05599   COBU_SALTY       2    181             
SEQRES   1 A  180  MET ILE LEU VAL THR GLY GLY ALA ARG SER GLY LYS SER          
SEQRES   2 A  180  ARG HIS ALA GLU ALA LEU ILE GLY ASP ALA PRO GLN VAL          
SEQRES   3 A  180  LEU TYR ILE ALA THR SER GLN ILE LEU ASP ASP GLU MET          
SEQRES   4 A  180  ALA ALA ARG ILE GLN HIS HIS LYS ASP GLY ARG PRO ALA          
SEQRES   5 A  180  HIS TRP ARG THR ALA GLU CYS TRP ARG HIS LEU ASP THR          
SEQRES   6 A  180  LEU ILE THR ALA ASP LEU ALA PRO ASP ASP ALA ILE LEU          
SEQRES   7 A  180  LEU GLU CYS ILE THR THR MET VAL THR ASN LEU LEU PHE          
SEQRES   8 A  180  ALA LEU GLY GLY GLU ASN ASP PRO GLU GLN TRP ASP TYR          
SEQRES   9 A  180  ALA ALA MET GLU ARG ALA ILE ASP ASP GLU ILE GLN ILE          
SEQRES  10 A  180  LEU ILE ALA ALA CYS GLN ARG CYS PRO ALA LYS VAL VAL          
SEQRES  11 A  180  LEU VAL THR ASN GLU VAL GLY MET GLY ILE VAL PRO GLU          
SEQRES  12 A  180  ASN ARG LEU ALA ARG HIS PHE ARG ASP ILE ALA GLY ARG          
SEQRES  13 A  180  VAL ASN GLN ARG LEU ALA ALA ALA ALA ASP GLU VAL TRP          
SEQRES  14 A  180  LEU VAL VAL SER GLY ILE GLY VAL LYS ILE LYS                  
SEQRES   1 B  180  MET ILE LEU VAL THR GLY GLY ALA ARG SER GLY LYS SER          
SEQRES   2 B  180  ARG HIS ALA GLU ALA LEU ILE GLY ASP ALA PRO GLN VAL          
SEQRES   3 B  180  LEU TYR ILE ALA THR SER GLN ILE LEU ASP ASP GLU MET          
SEQRES   4 B  180  ALA ALA ARG ILE GLN HIS HIS LYS ASP GLY ARG PRO ALA          
SEQRES   5 B  180  HIS TRP ARG THR ALA GLU CYS TRP ARG HIS LEU ASP THR          
SEQRES   6 B  180  LEU ILE THR ALA ASP LEU ALA PRO ASP ASP ALA ILE LEU          
SEQRES   7 B  180  LEU GLU CYS ILE THR THR MET VAL THR ASN LEU LEU PHE          
SEQRES   8 B  180  ALA LEU GLY GLY GLU ASN ASP PRO GLU GLN TRP ASP TYR          
SEQRES   9 B  180  ALA ALA MET GLU ARG ALA ILE ASP ASP GLU ILE GLN ILE          
SEQRES  10 B  180  LEU ILE ALA ALA CYS GLN ARG CYS PRO ALA LYS VAL VAL          
SEQRES  11 B  180  LEU VAL THR ASN GLU VAL GLY MET GLY ILE VAL PRO GLU          
SEQRES  12 B  180  ASN ARG LEU ALA ARG HIS PHE ARG ASP ILE ALA GLY ARG          
SEQRES  13 B  180  VAL ASN GLN ARG LEU ALA ALA ALA ALA ASP GLU VAL TRP          
SEQRES  14 B  180  LEU VAL VAL SER GLY ILE GLY VAL LYS ILE LYS                  
SEQRES   1 C  180  MET ILE LEU VAL THR GLY GLY ALA ARG SER GLY LYS SER          
SEQRES   2 C  180  ARG HIS ALA GLU ALA LEU ILE GLY ASP ALA PRO GLN VAL          
SEQRES   3 C  180  LEU TYR ILE ALA THR SER GLN ILE LEU ASP ASP GLU MET          
SEQRES   4 C  180  ALA ALA ARG ILE GLN HIS HIS LYS ASP GLY ARG PRO ALA          
SEQRES   5 C  180  HIS TRP ARG THR ALA GLU CYS TRP ARG HIS LEU ASP THR          
SEQRES   6 C  180  LEU ILE THR ALA ASP LEU ALA PRO ASP ASP ALA ILE LEU          
SEQRES   7 C  180  LEU GLU CYS ILE THR THR MET VAL THR ASN LEU LEU PHE          
SEQRES   8 C  180  ALA LEU GLY GLY GLU ASN ASP PRO GLU GLN TRP ASP TYR          
SEQRES   9 C  180  ALA ALA MET GLU ARG ALA ILE ASP ASP GLU ILE GLN ILE          
SEQRES  10 C  180  LEU ILE ALA ALA CYS GLN ARG CYS PRO ALA LYS VAL VAL          
SEQRES  11 C  180  LEU VAL THR ASN GLU VAL GLY MET GLY ILE VAL PRO GLU          
SEQRES  12 C  180  ASN ARG LEU ALA ARG HIS PHE ARG ASP ILE ALA GLY ARG          
SEQRES  13 C  180  VAL ASN GLN ARG LEU ALA ALA ALA ALA ASP GLU VAL TRP          
SEQRES  14 C  180  LEU VAL VAL SER GLY ILE GLY VAL LYS ILE LYS                  
HET    PO4  A 600       5                                                       
HET    5GP  A 604      24                                                       
HET    PO4  B 601       5                                                       
HET    5GP  B 605      24                                                       
HET     MG  C 607       1                                                       
HET    POP  C 608       9                                                       
HET    5GP  C 606      20                                                       
HETNAM     PO4 PHOSPHATE ION                                                    
HETNAM     5GP GUANOSINE-5'-MONOPHOSPHATE                                       
HETNAM      MG MAGNESIUM ION                                                    
HETNAM     POP PYROPHOSPHATE 2-                                                 
FORMUL   4  PO4    2(O4 P 3-)                                                   
FORMUL   5  5GP    3(C10 H14 N5 O8 P)                                           
FORMUL   8   MG    MG 2+                                                        
FORMUL   9  POP    H2 O7 P2 2-                                                  
FORMUL  11  HOH   *336(H2 O)                                                    
HELIX    1   1 GLY A   11  GLY A   21  1                                  11    
HELIX    2   2 ALA A   41  GLY A   49  1                                   9    
HELIX    3   3 HIS A   62  LEU A   66  5                                   5    
HELIX    4   4 CYS A   81  LEU A   93  1                                  13    
HELIX    5   5 ASP A  103  CYS A  125  1                                  23    
HELIX    6   6 ASN A  144  ALA A  165  1                                  22    
HELIX    7   7 GLY B   11  GLY B   21  1                                  11    
HELIX    8   8 ASP B   36  ARG B   50  1                                  15    
HELIX    9   9 HIS B   62  LEU B   66  5                                   5    
HELIX   10  10 CYS B   81  GLY B   95  1                                  15    
HELIX   11  11 ASP B   98  TRP B  102  5                                   5    
HELIX   12  12 ASP B  103  CYS B  125  1                                  23    
HELIX   13  13 ASN B  144  ALA B  165  1                                  22    
HELIX   14  14 GLY C   11  GLY C   21  1                                  11    
HELIX   15  15 HIS C   45  ARG C   50  1                                   6    
HELIX   16  16 HIS C   62  LEU C   66  5                                   5    
HELIX   17  17 CYS C   81  GLY C   94  1                                  14    
HELIX   18  18 ASP C  103  CYS C  125  1                                  23    
HELIX   19  19 ASN C  144  ALA C  165  1                                  22    
SHEET    1   A 7 TRP A  54  ALA A  57  0                                        
SHEET    2   A 7 VAL A  26  ALA A  30  1  O  VAL A  26   N  ARG A  55           
SHEET    3   A 7 ALA A  76  GLU A  80  1  O  ALA A  76   N  LEU A  27           
SHEET    4   A 7 LYS A 128  VAL A 132  1  O  LYS A 128   N  ILE A  77           
SHEET    5   A 7 ILE A   2  GLY A   6  1  O  ILE A   2   N  LEU A 131           
SHEET    6   A 7 GLU A 167  VAL A 172  1  O  GLU A 167   N  LEU A   3           
SHEET    7   A 7 ILE A 175  LYS A 178 -1  O  ILE A 175   N  VAL A 172           
SHEET    1   B 7 TRP B  54  ALA B  57  0                                        
SHEET    2   B 7 VAL B  26  ALA B  30  1  O  VAL B  26   N  ARG B  55           
SHEET    3   B 7 ALA B  76  GLU B  80  1  O  ALA B  76   N  LEU B  27           
SHEET    4   B 7 LYS B 128  ASN B 134  1  O  LYS B 128   N  ILE B  77           
SHEET    5   B 7 ILE B   2  GLY B   6  1  O  ILE B   2   N  LEU B 131           
SHEET    6   B 7 GLU B 167  VAL B 172  1  O  GLU B 167   N  LEU B   3           
SHEET    7   B 7 ILE B 175  LYS B 178 -1  O  ILE B 175   N  VAL B 172           
SHEET    1   C 7 ARG C  55  ALA C  57  0                                        
SHEET    2   C 7 VAL C  26  ALA C  30  1  O  VAL C  26   N  ARG C  55           
SHEET    3   C 7 ALA C  76  GLU C  80  1  O  ALA C  76   N  LEU C  27           
SHEET    4   C 7 LYS C 128  VAL C 132  1  O  LYS C 128   N  ILE C  77           
SHEET    5   C 7 ILE C   2  GLY C   6  1  O  ILE C   2   N  LEU C 131           
SHEET    6   C 7 GLU C 167  VAL C 172  1  O  GLU C 167   N  LEU C   3           
SHEET    7   C 7 ILE C 175  LYS C 178 -1  N  ILE C 175   O  VAL C 172           
LINK         OG  SER C  13                MG    MG C 607     1555   1555  1.99  
LINK         OE1 GLU C  80                MG    MG C 607     1555   1555  3.13  
LINK        MG    MG C 607                 O1  POP C 608     1555   1555  2.89  
LINK        MG    MG C 607                 O4  POP C 608     1555   1555  2.32  
CISPEP   1 GLU A   80    CYS A   81          0         0.21                     
CISPEP   2 GLU B   80    CYS B   81          0        -0.39                     
CISPEP   3 GLU C   80    CYS C   81          0        -0.20                     
SITE     1 AC1  7 GLY A   7  ARG A   9  SER A  10  GLY A  11                    
SITE     2 AC1  7 LYS A  12  SER A  13  HOH A 851                               
SITE     1 AC2  8 GLY B   7  ARG B   9  SER B  10  GLY B  11                    
SITE     2 AC2  8 LYS B  12  SER B  13  HOH B 725  HOH B 749                    
SITE     1 AC3  3 SER C  13  GLU C  80  POP C 608                               
SITE     1 AC4 12 TYR A  28  ALA A  30  THR A  31  SER A  32                    
SITE     2 AC4 12 ILE A  34  ILE A  43  HIS A  46  LYS A  47                    
SITE     3 AC4 12 ARG A  50  GLU A  58  GLU A  80  CYS A  81                    
SITE     1 AC5 12 SER B  13  TYR B  28  ALA B  30  THR B  31                    
SITE     2 AC5 12 SER B  32  ILE B  43  HIS B  46  LYS B  47                    
SITE     3 AC5 12 ARG B  50  GLU B  58  GLU B  80  CYS B  81                    
SITE     1 AC6 10 GLY C   7  ALA C   8  ARG C   9  SER C  10                    
SITE     2 AC6 10 GLY C  11  LYS C  12  SER C  13   MG C 607                    
SITE     3 AC6 10 HOH C 739  HOH C 898                                          
SITE     1 AC7 10 TYR C  28  ALA C  30  THR C  31  SER C  32                    
SITE     2 AC7 10 ILE C  34  LYS C  47  ARG C  50  GLU C  80                    
SITE     3 AC7 10 CYS C  81  THR C  84                                          
CRYST1   58.380   87.770  101.640  90.00  90.00  90.00 P 21 21 21   12          
ORIGX1      1.000000  0.000000  0.000000        0.00000                         
ORIGX2      0.000000  1.000000  0.000000        0.00000                         
ORIGX3      0.000000  0.000000  1.000000        0.00000                         
SCALE1      0.017129  0.000000  0.000000        0.00000                         
SCALE2      0.000000  0.011393  0.000000        0.00000                         
SCALE3      0.000000  0.000000  0.009839        0.00000                         
(ATOM LINES ARE NOT SHOWN.)
END                                                                             
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