PDB Short entry for 1G5T
HEADER    TRANSFERASE                             02-NOV-00   1G5T              
TITLE     THE THREE-DIMENSIONAL STRUCTURE OF ATP:CORRINOID ADENOSYLTRANSFERASE  
TITLE    2 FROM SALMONELLA TYPHIMURIUM. APO-ATP FORM                            
COMPND    MOL_ID: 1;                                                            
COMPND   2 MOLECULE: COB(I)ALAMIN ADENOSYLTRANSFERASE;                          
COMPND   3 CHAIN: A;                                                            
COMPND   4 SYNONYM: CORRINOID ADENOSYLTRANSFERASE;                              
COMPND   5 EC: 2.5.1.17;                                                        
COMPND   6 ENGINEERED: YES                                                      
SOURCE    MOL_ID: 1;                                                            
SOURCE   2 ORGANISM_SCIENTIFIC: SALMONELLA TYPHIMURIUM;                         
SOURCE   3 ORGANISM_TAXID: 602;                                                 
SOURCE   4 GENE: COBA;                                                          
SOURCE   5 EXPRESSION_SYSTEM: SALMONELLA TYPHIMURIUM;                           
SOURCE   6 EXPRESSION_SYSTEM_TAXID: 602                                         
KEYWDS    P-LOOP PROTEIN, COBALAMIN BIOSYNTHESIS, RECA FOLD, TRANSFERASE        
EXPDTA    X-RAY DIFFRACTION                                                     
AUTHOR    I.RAYMENT,J.C.ESCALANTE-SEMERENA,C.B.BAUER                            
REVDAT   6   07-FEB-24 1G5T    1       REMARK LINK                              
REVDAT   5   13-JUL-11 1G5T    1       VERSN                                    
REVDAT   4   24-FEB-09 1G5T    1       VERSN                                    
REVDAT   3   01-APR-03 1G5T    1       JRNL                                     
REVDAT   2   28-MAR-01 1G5T    1       JRNL                                     
REVDAT   1   22-NOV-00 1G5T    0                                                
JRNL        AUTH   C.B.BAUER,M.V.FONSECA,H.M.HOLDEN,J.B.THODEN,T.B.THOMPSON,    
JRNL        AUTH 2 J.C.ESCALANTE-SEMERENA,I.RAYMENT                             
JRNL        TITL   THREE-DIMENSIONAL STRUCTURE OF ATP:CORRINOID                 
JRNL        TITL 2 ADENOSYLTRANSFERASE FROM SALMONELLA TYPHIMURIUM IN ITS FREE  
JRNL        TITL 3 STATE, COMPLEXED WITH MGATP, OR COMPLEXED WITH               
JRNL        TITL 4 HYDROXYCOBALAMIN AND MGATP.                                  
JRNL        REF    BIOCHEMISTRY                  V.  40   361 2001              
JRNL        REFN                   ISSN 0006-2960                               
JRNL        PMID   11148030                                                     
JRNL        DOI    10.1021/BI002145O                                            
REMARK   2                                                                      
REMARK   2 RESOLUTION.    1.80 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) : 1.80                           
REMARK   3   RESOLUTION RANGE LOW  (ANGSTROMS) : 30.00                          
REMARK   3   DATA CUTOFF            (SIGMA(F)) : 0.000                          
REMARK   3   COMPLETENESS FOR RANGE        (%) : NULL                           
REMARK   3   NUMBER OF REFLECTIONS             : 14575                          
REMARK   3                                                                      
REMARK   3  USING DATA ABOVE SIGMA CUTOFF.                                      
REMARK   3   CROSS-VALIDATION METHOD          : NULL                            
REMARK   3   FREE R VALUE TEST SET SELECTION  : RANDOM                          
REMARK   3   R VALUE     (WORKING + TEST SET) : 0.192                           
REMARK   3   R VALUE            (WORKING SET) : 0.192                           
REMARK   3   FREE R VALUE                     : 0.267                           
REMARK   3   FREE R VALUE TEST SET SIZE   (%) : NULL                            
REMARK   3   FREE R VALUE TEST SET COUNT      : 1435                            
REMARK   3                                                                      
REMARK   3  USING ALL DATA, NO SIGMA CUTOFF.                                    
REMARK   3   R VALUE   (WORKING + TEST SET, NO CUTOFF) : 0.1920                 
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) : 14575                  
REMARK   3                                                                      
REMARK   3  NUMBER OF NON-HYDROGEN ATOMS USED IN REFINEMENT.                    
REMARK   3   PROTEIN ATOMS            : 1207                                    
REMARK   3   NUCLEIC ACID ATOMS       : 0                                       
REMARK   3   HETEROGEN ATOMS          : 32                                      
REMARK   3   SOLVENT ATOMS            : 132                                     
REMARK   3                                                                      
REMARK   3  WILSON B VALUE (FROM FCALC, A**2) : NULL                            
REMARK   3                                                                      
REMARK   3  RMS DEVIATIONS FROM IDEAL VALUES.    RMS    WEIGHT  COUNT           
REMARK   3   BOND LENGTHS                 (A) : 0.015 ; NULL  ; NULL            
REMARK   3   BOND ANGLES            (DEGREES) : 2.730 ; NULL  ; NULL            
REMARK   3   TORSION ANGLES         (DEGREES) : 0.007 ; 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 : ENGH & HUBER                                     
REMARK   3   ISOTROPIC THERMAL FACTOR RESTRAINTS : NULL                         
REMARK   3                                                                      
REMARK   3  OTHER REFINEMENT REMARKS: NULL                                      
REMARK   4                                                                      
REMARK   4 1G5T COMPLIES WITH FORMAT V. 3.30, 13-JUL-11                         
REMARK 100                                                                      
REMARK 100 THIS ENTRY HAS BEEN PROCESSED BY RCSB ON 06-NOV-00.                  
REMARK 100 THE DEPOSITION ID IS D_1000012269.                                   
REMARK 200                                                                      
REMARK 200 EXPERIMENTAL DETAILS                                                 
REMARK 200  EXPERIMENT TYPE                : X-RAY DIFFRACTION                  
REMARK 200  DATE OF DATA COLLECTION        : 01-JUL-99                          
REMARK 200  TEMPERATURE           (KELVIN) : 100                                
REMARK 200  PH                             : 5.5                                
REMARK 200  NUMBER OF CRYSTALS USED        : 1                                  
REMARK 200                                                                      
REMARK 200  SYNCHROTRON              (Y/N) : Y                                  
REMARK 200  RADIATION SOURCE               : APS                                
REMARK 200  BEAMLINE                       : 19-ID                              
REMARK 200  X-RAY GENERATOR MODEL          : NULL                               
REMARK 200  MONOCHROMATIC OR LAUE    (M/L) : M                                  
REMARK 200  WAVELENGTH OR RANGE        (A) : 0.7009                             
REMARK 200  MONOCHROMATOR                  : SAGITALLY FOCUSED SI(111)          
REMARK 200  OPTICS                         : NULL                               
REMARK 200                                                                      
REMARK 200  DETECTOR TYPE                  : CCD                                
REMARK 200  DETECTOR MANUFACTURER          : APS-1                              
REMARK 200  INTENSITY-INTEGRATION SOFTWARE : D*TREK, DENZO                      
REMARK 200  DATA SCALING SOFTWARE          : SCALEPACK                          
REMARK 200                                                                      
REMARK 200  NUMBER OF UNIQUE REFLECTIONS   : 17014                              
REMARK 200  RESOLUTION RANGE HIGH      (A) : 1.800                              
REMARK 200  RESOLUTION RANGE LOW       (A) : 30.000                             
REMARK 200  REJECTION CRITERIA  (SIGMA(I)) : 0.000                              
REMARK 200                                                                      
REMARK 200 OVERALL.                                                             
REMARK 200  COMPLETENESS FOR RANGE     (%) : 93.3                               
REMARK 200  DATA REDUNDANCY                : 8.300                              
REMARK 200  R MERGE                    (I) : 0.06100                            
REMARK 200  R SYM                      (I) : NULL                               
REMARK 200  <I/SIGMA(I)> FOR THE DATA SET  : 31.6000                            
REMARK 200                                                                      
REMARK 200 IN THE HIGHEST RESOLUTION SHELL.                                     
REMARK 200  HIGHEST RESOLUTION SHELL, RANGE HIGH (A) : 1.80                     
REMARK 200  HIGHEST RESOLUTION SHELL, RANGE LOW  (A) : 1.86                     
REMARK 200  COMPLETENESS FOR SHELL     (%) : 63.0                               
REMARK 200  DATA REDUNDANCY IN SHELL       : 4.70                               
REMARK 200  R MERGE FOR SHELL          (I) : 0.31000                            
REMARK 200  R SYM FOR SHELL            (I) : NULL                               
REMARK 200  <I/SIGMA(I)> FOR SHELL         : NULL                               
REMARK 200                                                                      
REMARK 200 DIFFRACTION PROTOCOL: SINGLE WAVELENGTH                              
REMARK 200 METHOD USED TO DETERMINE THE STRUCTURE: MOLECULAR REPLACEMENT        
REMARK 200 SOFTWARE USED: AMORE                                                 
REMARK 200 STARTING MODEL: NULL                                                 
REMARK 200                                                                      
REMARK 200 REMARK: NULL                                                         
REMARK 280                                                                      
REMARK 280 CRYSTAL                                                              
REMARK 280 SOLVENT CONTENT, VS   (%): 39.38                                     
REMARK 280 MATTHEWS COEFFICIENT, VM (ANGSTROMS**3/DA): 2.03                     
REMARK 280                                                                      
REMARK 280 CRYSTALLIZATION CONDITIONS: 13% ME-PEG 350, 100 MM NACL, 50 MM       
REMARK 280  MES, PH 5.5, BATCH, TEMPERATURE 298K                                
REMARK 290                                                                      
REMARK 290 CRYSTALLOGRAPHIC SYMMETRY                                            
REMARK 290 SYMMETRY OPERATORS FOR SPACE GROUP: P 65 2 2                         
REMARK 290                                                                      
REMARK 290      SYMOP   SYMMETRY                                                
REMARK 290     NNNMMM   OPERATOR                                                
REMARK 290       1555   X,Y,Z                                                   
REMARK 290       2555   -Y,X-Y,Z+2/3                                            
REMARK 290       3555   -X+Y,-X,Z+1/3                                           
REMARK 290       4555   -X,-Y,Z+1/2                                             
REMARK 290       5555   Y,-X+Y,Z+1/6                                            
REMARK 290       6555   X-Y,X,Z+5/6                                             
REMARK 290       7555   Y,X,-Z+2/3                                              
REMARK 290       8555   X-Y,-Y,-Z                                               
REMARK 290       9555   -X,-X+Y,-Z+1/3                                          
REMARK 290      10555   -Y,-X,-Z+1/6                                            
REMARK 290      11555   -X+Y,Y,-Z+1/2                                           
REMARK 290      12555   X,X-Y,-Z+5/6                                            
REMARK 290                                                                      
REMARK 290     WHERE NNN -> OPERATOR NUMBER                                     
REMARK 290           MMM -> TRANSLATION VECTOR                                  
REMARK 290                                                                      
REMARK 290 CRYSTALLOGRAPHIC SYMMETRY TRANSFORMATIONS                            
REMARK 290 THE FOLLOWING TRANSFORMATIONS OPERATE ON THE ATOM/HETATM             
REMARK 290 RECORDS IN THIS ENTRY TO PRODUCE CRYSTALLOGRAPHICALLY                
REMARK 290 RELATED MOLECULES.                                                   
REMARK 290   SMTRY1   1  1.000000  0.000000  0.000000        0.00000            
REMARK 290   SMTRY2   1  0.000000  1.000000  0.000000        0.00000            
REMARK 290   SMTRY3   1  0.000000  0.000000  1.000000        0.00000            
REMARK 290   SMTRY1   2 -0.500000 -0.866025  0.000000        0.00000            
REMARK 290   SMTRY2   2  0.866025 -0.500000  0.000000        0.00000            
REMARK 290   SMTRY3   2  0.000000  0.000000  1.000000      166.46667            
REMARK 290   SMTRY1   3 -0.500000  0.866025  0.000000        0.00000            
REMARK 290   SMTRY2   3 -0.866025 -0.500000  0.000000        0.00000            
REMARK 290   SMTRY3   3  0.000000  0.000000  1.000000       83.23333            
REMARK 290   SMTRY1   4 -1.000000  0.000000  0.000000        0.00000            
REMARK 290   SMTRY2   4  0.000000 -1.000000  0.000000        0.00000            
REMARK 290   SMTRY3   4  0.000000  0.000000  1.000000      124.85000            
REMARK 290   SMTRY1   5  0.500000  0.866025  0.000000        0.00000            
REMARK 290   SMTRY2   5 -0.866025  0.500000  0.000000        0.00000            
REMARK 290   SMTRY3   5  0.000000  0.000000  1.000000       41.61667            
REMARK 290   SMTRY1   6  0.500000 -0.866025  0.000000        0.00000            
REMARK 290   SMTRY2   6  0.866025  0.500000  0.000000        0.00000            
REMARK 290   SMTRY3   6  0.000000  0.000000  1.000000      208.08333            
REMARK 290   SMTRY1   7 -0.500000  0.866025  0.000000        0.00000            
REMARK 290   SMTRY2   7  0.866025  0.500000  0.000000        0.00000            
REMARK 290   SMTRY3   7  0.000000  0.000000 -1.000000      166.46667            
REMARK 290   SMTRY1   8  1.000000  0.000000  0.000000        0.00000            
REMARK 290   SMTRY2   8  0.000000 -1.000000  0.000000        0.00000            
REMARK 290   SMTRY3   8  0.000000  0.000000 -1.000000        0.00000            
REMARK 290   SMTRY1   9 -0.500000 -0.866025  0.000000        0.00000            
REMARK 290   SMTRY2   9 -0.866025  0.500000  0.000000        0.00000            
REMARK 290   SMTRY3   9  0.000000  0.000000 -1.000000       83.23333            
REMARK 290   SMTRY1  10  0.500000 -0.866025  0.000000        0.00000            
REMARK 290   SMTRY2  10 -0.866025 -0.500000  0.000000        0.00000            
REMARK 290   SMTRY3  10  0.000000  0.000000 -1.000000       41.61667            
REMARK 290   SMTRY1  11 -1.000000  0.000000  0.000000        0.00000            
REMARK 290   SMTRY2  11  0.000000  1.000000  0.000000        0.00000            
REMARK 290   SMTRY3  11  0.000000  0.000000 -1.000000      124.85000            
REMARK 290   SMTRY1  12  0.500000  0.866025  0.000000        0.00000            
REMARK 290   SMTRY2  12  0.866025 -0.500000  0.000000        0.00000            
REMARK 290   SMTRY3  12  0.000000  0.000000 -1.000000      208.08333            
REMARK 290                                                                      
REMARK 290 REMARK: NULL                                                         
REMARK 300                                                                      
REMARK 300 BIOMOLECULE: 1, 2                                                    
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 APPLY THE FOLLOWING TO CHAINS: A                                     
REMARK 350   BIOMT1   1  1.000000  0.000000  0.000000        0.00000            
REMARK 350   BIOMT2   1  0.000000  1.000000  0.000000        0.00000            
REMARK 350   BIOMT3   1  0.000000  0.000000  1.000000        0.00000            
REMARK 350   BIOMT1   2  0.500000 -0.866025  0.000000       24.75000            
REMARK 350   BIOMT2   2 -0.866025 -0.500000  0.000000       42.86826            
REMARK 350   BIOMT3   2  0.000000  0.000000 -1.000000       41.61667            
REMARK 350                                                                      
REMARK 350 BIOMOLECULE: 2                                                       
REMARK 350 SOFTWARE DETERMINED QUATERNARY STRUCTURE: DIMERIC                    
REMARK 350 SOFTWARE USED: PISA,PQS                                              
REMARK 350 TOTAL BURIED SURFACE AREA: 4600 ANGSTROM**2                          
REMARK 350 SURFACE AREA OF THE COMPLEX: 13540 ANGSTROM**2                       
REMARK 350 CHANGE IN SOLVENT FREE ENERGY: -44.0 KCAL/MOL                        
REMARK 350 APPLY THE FOLLOWING TO CHAINS: A                                     
REMARK 350   BIOMT1   1  1.000000  0.000000  0.000000        0.00000            
REMARK 350   BIOMT2   1  0.000000  1.000000  0.000000        0.00000            
REMARK 350   BIOMT3   1  0.000000  0.000000  1.000000        0.00000            
REMARK 350   BIOMT1   2  1.000000  0.000000  0.000000        0.00000            
REMARK 350   BIOMT2   2  0.000000 -1.000000  0.000000        0.00000            
REMARK 350   BIOMT3   2  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     MET A     1                                                      
REMARK 465     SER A     2                                                      
REMARK 465     ASP A     3                                                      
REMARK 465     GLU A     4                                                      
REMARK 465     ARG A     5                                                      
REMARK 465     TYR A     6                                                      
REMARK 465     GLN A     7                                                      
REMARK 465     GLN A     8                                                      
REMARK 465     ARG A     9                                                      
REMARK 465     GLN A    10                                                      
REMARK 465     GLN A    11                                                      
REMARK 465     LYS A    12                                                      
REMARK 465     VAL A    13                                                      
REMARK 465     LYS A    14                                                      
REMARK 465     ASP A    15                                                      
REMARK 465     ARG A    16                                                      
REMARK 465     VAL A    17                                                      
REMARK 465     ASP A    18                                                      
REMARK 465     ALA A    19                                                      
REMARK 465     ARG A    20                                                      
REMARK 465     VAL A    21                                                      
REMARK 465     ALA A    22                                                      
REMARK 465     GLN A    23                                                      
REMARK 465     ALA A    24                                                      
REMARK 465     GLN A    25                                                      
REMARK 465     GLU A    26                                                      
REMARK 465     PHE A   184                                                      
REMARK 465     ASP A   185                                                      
REMARK 465     ALA A   186                                                      
REMARK 465     GLY A   187                                                      
REMARK 465     VAL A   188                                                      
REMARK 465     LYS A   189                                                      
REMARK 465     ALA A   190                                                      
REMARK 465     GLN A   191                                                      
REMARK 465     MET A   192                                                      
REMARK 465     GLY A   193                                                      
REMARK 465     ILE A   194                                                      
REMARK 465     ASP A   195                                                      
REMARK 465     TYR A   196                                                      
REMARK 500                                                                      
REMARK 500 GEOMETRY AND STEREOCHEMISTRY                                         
REMARK 500 SUBTOPIC: CLOSE CONTACTS IN SAME ASYMMETRIC UNIT                     
REMARK 500                                                                      
REMARK 500 THE FOLLOWING ATOMS ARE IN CLOSE CONTACT.                            
REMARK 500                                                                      
REMARK 500  ATM1  RES C  SSEQI   ATM2  RES C  SSEQI           DISTANCE          
REMARK 500   O    HOH A  1534     O    HOH A  1734              2.18            
REMARK 500                                                                      
REMARK 500 REMARK: NULL                                                         
REMARK 500                                                                      
REMARK 500 GEOMETRY AND STEREOCHEMISTRY                                         
REMARK 500 SUBTOPIC: CLOSE CONTACTS                                             
REMARK 500                                                                      
REMARK 500 THE FOLLOWING ATOMS THAT ARE RELATED BY CRYSTALLOGRAPHIC             
REMARK 500 SYMMETRY ARE IN CLOSE CONTACT.  AN ATOM LOCATED WITHIN 0.15          
REMARK 500 ANGSTROMS OF A SYMMETRY RELATED ATOM IS ASSUMED TO BE ON A           
REMARK 500 SPECIAL POSITION AND IS, THEREFORE, LISTED IN REMARK 375             
REMARK 500 INSTEAD OF REMARK 500.  ATOMS WITH NON-BLANK ALTERNATE               
REMARK 500 LOCATION INDICATORS ARE NOT INCLUDED IN THE CALCULATIONS.            
REMARK 500                                                                      
REMARK 500 DISTANCE CUTOFF:                                                     
REMARK 500 2.2 ANGSTROMS FOR CONTACTS NOT INVOLVING HYDROGEN ATOMS              
REMARK 500 1.6 ANGSTROMS FOR CONTACTS INVOLVING HYDROGEN ATOMS                  
REMARK 500                                                                      
REMARK 500  ATM1  RES C  SSEQI   ATM2  RES C  SSEQI  SSYMOP   DISTANCE          
REMARK 500   O    HOH A  1716     O    HOH A  1716    10665     1.54            
REMARK 500                                                                      
REMARK 500 REMARK: NULL                                                         
REMARK 500                                                                      
REMARK 500 GEOMETRY AND STEREOCHEMISTRY                                         
REMARK 500 SUBTOPIC: COVALENT BOND LENGTHS                                      
REMARK 500                                                                      
REMARK 500 THE STEREOCHEMICAL PARAMETERS OF THE FOLLOWING RESIDUES              
REMARK 500 HAVE VALUES WHICH DEVIATE FROM EXPECTED VALUES BY MORE               
REMARK 500 THAN 6*RMSD (M=MODEL NUMBER; RES=RESIDUE NAME; C=CHAIN               
REMARK 500 IDENTIFIER; SSEQ=SEQUENCE NUMBER; I=INSERTION CODE).                 
REMARK 500                                                                      
REMARK 500 STANDARD TABLE:                                                      
REMARK 500 FORMAT: (10X,I3,1X,2(A3,1X,A1,I4,A1,1X,A4,3X),1X,F6.3)               
REMARK 500                                                                      
REMARK 500 EXPECTED VALUES PROTEIN: ENGH AND HUBER, 1999                        
REMARK 500 EXPECTED VALUES NUCLEIC ACID: CLOWNEY ET AL 1996                     
REMARK 500                                                                      
REMARK 500  M RES CSSEQI ATM1   RES CSSEQI ATM2   DEVIATION                     
REMARK 500    GLU A  27   CD    GLU A  27   OE2     0.067                       
REMARK 500    GLU A  99   CD    GLU A  99   OE2     0.073                       
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  28   NE  -  CZ  -  NH1 ANGL. DEV. =   3.6 DEGREES          
REMARK 500    ARG A  74   NE  -  CZ  -  NH1 ANGL. DEV. =   3.9 DEGREES          
REMARK 500    ARG A  74   NE  -  CZ  -  NH2 ANGL. DEV. =  -4.0 DEGREES          
REMARK 500    HIS A  80   CA  -  CB  -  CG  ANGL. DEV. = -11.7 DEGREES          
REMARK 500    ARG A  98   NE  -  CZ  -  NH1 ANGL. DEV. =   3.1 DEGREES          
REMARK 500    ARG A  98   NE  -  CZ  -  NH2 ANGL. DEV. =  -4.0 DEGREES          
REMARK 500    ASP A 101   CB  -  CG  -  OD1 ANGL. DEV. =   5.9 DEGREES          
REMARK 500    ASP A 101   CB  -  CG  -  OD2 ANGL. DEV. =  -7.2 DEGREES          
REMARK 500    ASP A 118   CB  -  CG  -  OD1 ANGL. DEV. =   6.6 DEGREES          
REMARK 500    ASP A 118   CB  -  CG  -  OD2 ANGL. DEV. =  -7.2 DEGREES          
REMARK 500    ASP A 169   CB  -  CG  -  OD1 ANGL. DEV. =   6.5 DEGREES          
REMARK 500    ASP A 169   CB  -  CG  -  OD2 ANGL. DEV. =  -7.2 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    PHE A  91      117.00    -33.54                                   
REMARK 500    TRP A  93       -1.16     72.74                                   
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                              MG A 998  MG                            
REMARK 620 N RES CSSEQI ATOM                                                    
REMARK 620 1 THR A  42   OG1                                                    
REMARK 620 2 GLU A 128   OE2  84.3                                              
REMARK 620 3 ATP A 999   O2B  89.0 173.0                                        
REMARK 620 4 ATP A 999   O2B  89.0 173.0   0.0                                  
REMARK 620 5 ATP A 999   O2A 174.1  99.6  87.2  87.2                            
REMARK 620 6 ATP A 999   O2A 174.1  99.0  87.8  87.8   0.7                      
REMARK 620 7 HOH A1589   O    89.8  86.3  91.6  91.6  94.9  95.3                
REMARK 620 8 HOH A1590   O    83.1  94.5  86.8  86.8  92.1  91.7 172.8          
REMARK 620 N                    1     2     3     4     5     6     7           
REMARK 800                                                                      
REMARK 800 SITE                                                                 
REMARK 800 SITE_IDENTIFIER: AC1                                                 
REMARK 800 EVIDENCE_CODE: SOFTWARE                                              
REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE MG A 998                  
REMARK 800                                                                      
REMARK 800 SITE_IDENTIFIER: AC2                                                 
REMARK 800 EVIDENCE_CODE: SOFTWARE                                              
REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE ATP A 999                 
REMARK 900                                                                      
REMARK 900 RELATED ENTRIES                                                      
REMARK 900 RELATED ID: 1G5R   RELATED DB: PDB                                   
REMARK 900 APO COBA                                                             
REMARK 900 RELATED ID: 1G64   RELATED DB: PDB                                   
DBREF  1G5T A    1   196  UNP    P31570   BTUR_SALTY       1    196             
SEQRES   1 A  196  MET SER ASP GLU ARG TYR GLN GLN ARG GLN GLN LYS VAL          
SEQRES   2 A  196  LYS ASP ARG VAL ASP ALA ARG VAL ALA GLN ALA GLN GLU          
SEQRES   3 A  196  GLU ARG GLY ILE ILE ILE VAL PHE THR GLY ASN GLY LYS          
SEQRES   4 A  196  GLY LYS THR THR ALA ALA PHE GLY THR ALA ALA ARG ALA          
SEQRES   5 A  196  VAL GLY HIS GLY LYS ASN VAL GLY VAL VAL GLN PHE ILE          
SEQRES   6 A  196  LYS GLY THR TRP PRO ASN GLY GLU ARG ASN LEU LEU GLU          
SEQRES   7 A  196  PRO HIS GLY VAL GLU PHE GLN VAL MET ALA THR GLY PHE          
SEQRES   8 A  196  THR TRP GLU THR GLN ASN ARG GLU ALA ASP THR ALA ALA          
SEQRES   9 A  196  CYS MET ALA VAL TRP GLN HIS GLY LYS ARG MET LEU ALA          
SEQRES  10 A  196  ASP PRO LEU LEU ASP MET VAL VAL LEU ASP GLU LEU THR          
SEQRES  11 A  196  TYR MET VAL ALA TYR ASP TYR LEU PRO LEU GLU GLU VAL          
SEQRES  12 A  196  ILE SER ALA LEU ASN ALA ARG PRO GLY HIS GLN THR VAL          
SEQRES  13 A  196  ILE ILE THR GLY ARG GLY CYS HIS ARG ASP ILE LEU ASP          
SEQRES  14 A  196  LEU ALA ASP THR VAL SER GLU LEU ARG PRO VAL LYS HIS          
SEQRES  15 A  196  ALA PHE ASP ALA GLY VAL LYS ALA GLN MET GLY ILE ASP          
SEQRES  16 A  196  TYR                                                          
HET     MG  A 998       1                                                       
HET    ATP  A 999      62                                                       
HETNAM      MG MAGNESIUM ION                                                    
HETNAM     ATP ADENOSINE-5'-TRIPHOSPHATE                                        
FORMUL   2   MG    MG 2+                                                        
FORMUL   3  ATP    C10 H16 N5 O13 P3                                            
FORMUL   4  HOH   *132(H2 O)                                                    
HELIX    1   1 GLY A   40  HIS A   55  1                                  16    
HELIX    2   2 ASN A   71  GLU A   78  1                                   8    
HELIX    3   3 PRO A   79  GLY A   81  5                                   3    
HELIX    4   4 GLU A   94  GLN A   96  5                                   3    
HELIX    5   5 ASN A   97  LEU A  116  1                                  20    
HELIX    6   6 GLU A  128  TYR A  135  1                                   8    
HELIX    7   7 PRO A  139  ALA A  149  1                                  11    
HELIX    8   8 HIS A  164  ALA A  171  1                                   8    
SHEET    1   A 6 GLU A  83  VAL A  86  0                                        
SHEET    2   A 6 VAL A  59  GLN A  63  1  O  VAL A  59   N  GLU A  83           
SHEET    3   A 6 MET A 123  ASP A 127  1  O  MET A 123   N  GLY A  60           
SHEET    4   A 6 THR A 155  THR A 159  1  O  THR A 155   N  VAL A 124           
SHEET    5   A 6 ILE A  31  THR A  35  1  O  ILE A  32   N  ILE A 158           
SHEET    6   A 6 THR A 173  GLU A 176  1  N  THR A 173   O  ILE A  31           
LINK         OG1 THR A  42                MG    MG A 998     1555   1555  1.95  
LINK         OE2 GLU A 128                MG    MG A 998     1555   1555  2.12  
LINK        MG    MG A 998                 O2BAATP A 999     1555   1555  2.14  
LINK        MG    MG A 998                 O2BBATP A 999     1555   1555  2.14  
LINK        MG    MG A 998                 O2AAATP A 999     1555   1555  2.09  
LINK        MG    MG A 998                 O2ABATP A 999     1555   1555  2.07  
LINK        MG    MG A 998                 O   HOH A1589     1555   1555  2.12  
LINK        MG    MG A 998                 O   HOH A1590     1555   1555  1.73  
SITE     1 AC1  5 THR A  42  GLU A 128  ATP A 999  HOH A1589                    
SITE     2 AC1  5 HOH A1590                                                     
SITE     1 AC2 17 ASN A  37  GLY A  38  LYS A  39  GLY A  40                    
SITE     2 AC2 17 LYS A  41  THR A  42  THR A  43  ARG A  51                    
SITE     3 AC2 17 HIS A  55  GLU A 128  HIS A 182   MG A 998                    
SITE     4 AC2 17 HOH A1515  HOH A1585  HOH A1589  HOH A1590                    
SITE     5 AC2 17 HOH A1592                                                     
CRYST1   49.500   49.500  249.700  90.00  90.00 120.00 P 65 2 2     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      0.020202  0.011664  0.000000        0.00000                         
SCALE2      0.000000  0.023327  0.000000        0.00000                         
SCALE3      0.000000  0.000000  0.004005        0.00000