HEADER    TRANSFERASE/DNA                         05-SEP-06   2I9K              
TITLE     ENGINEERED EXTRAHELICAL BASE DESTABILIZATION ENHANCES SEQUENCE        
TITLE    2 DISCRIMINATION OF DNA METHYLTRANSFERASE M.HHAI                       
COMPND    MOL_ID: 1;                                                            
COMPND   2 MOLECULE: 5'-D(*T*GP*AP*TP*AP*GP*CP*GP*CP*TP*AP*TP*C)-3';            
COMPND   3 CHAIN: C, D;                                                         
COMPND   4 ENGINEERED: YES;                                                     
COMPND   5 MOL_ID: 2;                                                           
COMPND   6 MOLECULE: MODIFICATION METHYLASE HHAI;                               
COMPND   7 CHAIN: A;                                                            
COMPND   8 SYNONYM: CYTOSINE-SPECIFIC METHYLTRANSFERASE HHAI, M.HHAI;           
COMPND   9 EC: 2.1.1.73;                                                        
COMPND  10 ENGINEERED: YES;                                                     
COMPND  11 MUTATION: YES                                                        
SOURCE    MOL_ID: 1;                                                            
SOURCE   2 SYNTHETIC: YES;                                                      
SOURCE   3 MOL_ID: 2;                                                           
SOURCE   4 ORGANISM_SCIENTIFIC: HAEMOPHILUS HAEMOLYTICUS;                       
SOURCE   5 ORGANISM_TAXID: 726;                                                 
SOURCE   6 GENE: HHAIM;                                                         
SOURCE   7 EXPRESSION_SYSTEM: ESCHERICHIA COLI;                                 
SOURCE   8 EXPRESSION_SYSTEM_TAXID: 562;                                        
SOURCE   9 EXPRESSION_SYSTEM_STRAIN: ER1727;                                    
SOURCE  10 EXPRESSION_SYSTEM_VECTOR_TYPE: PLASMID;                              
SOURCE  11 EXPRESSION_SYSTEM_PLASMID: PHSHW-5                                   
KEYWDS    PHE124ALA MUTATION IN M.HHAI, TRANSFERASE-DNA COMPLEX                 
EXPDTA    X-RAY DIFFRACTION                                                     
AUTHOR    B.YOUNGBLOOD,F.K.SHIEH,S.DE LOS RIOS,J.J.PERONA,N.O.REICH             
REVDAT   4   21-FEB-24 2I9K    1       REMARK                                   
REVDAT   3   20-OCT-21 2I9K    1       REMARK SEQADV                            
REVDAT   2   24-FEB-09 2I9K    1       VERSN                                    
REVDAT   1   10-OCT-06 2I9K    0                                                
JRNL        AUTH   B.YOUNGBLOOD,F.K.SHIEH,S.DE LOS RIOS,J.J.PERONA,N.O.REICH    
JRNL        TITL   ENGINEERED EXTRAHELICAL BASE DESTABILIZATION ENHANCES        
JRNL        TITL 2 SEQUENCE DISCRIMINATION OF DNA METHYLTRANSFERASE M.HHAI      
JRNL        REF    J.MOL.BIOL.                   V. 362   334 2006              
JRNL        REFN                   ISSN 0022-2836                               
JRNL        PMID   16919299                                                     
JRNL        DOI    10.1016/J.JMB.2006.07.031                                    
REMARK   2                                                                      
REMARK   2 RESOLUTION.    2.65 ANGSTROMS.                                       
REMARK   3                                                                      
REMARK   3 REFINEMENT.                                                          
REMARK   3   PROGRAM     : CNS                                                  
REMARK   3   AUTHORS     : BRUNGER,ADAMS,CLORE,DELANO,GROS,GROSSE-              
REMARK   3               : KUNSTLEVE,JIANG,KUSZEWSKI,NILGES,PANNU,              
REMARK   3               : READ,RICE,SIMONSON,WARREN                            
REMARK   3                                                                      
REMARK   3  REFINEMENT TARGET : NULL                                            
REMARK   3                                                                      
REMARK   3  DATA USED IN REFINEMENT.                                            
REMARK   3   RESOLUTION RANGE HIGH (ANGSTROMS) : 2.65                           
REMARK   3   RESOLUTION RANGE LOW  (ANGSTROMS) : 2.79                           
REMARK   3   DATA CUTOFF            (SIGMA(F)) : 1.900                          
REMARK   3   DATA CUTOFF HIGH         (ABS(F)) : NULL                           
REMARK   3   DATA CUTOFF LOW          (ABS(F)) : NULL                           
REMARK   3   COMPLETENESS (WORKING+TEST)   (%) : 99.6                           
REMARK   3   NUMBER OF REFLECTIONS             : 17397                          
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) : 0.238                           
REMARK   3   FREE R VALUE                     : 0.262                           
REMARK   3   FREE R VALUE TEST SET SIZE   (%) : NULL                            
REMARK   3   FREE R VALUE TEST SET COUNT      : 2096                            
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            : 2587                                    
REMARK   3   NUCLEIC ACID ATOMS       : 506                                     
REMARK   3   HETEROGEN ATOMS          : 26                                      
REMARK   3   SOLVENT ATOMS            : 0                                       
REMARK   3                                                                      
REMARK   3  B VALUES.                                                           
REMARK   3   FROM WILSON PLOT           (A**2) : NULL                           
REMARK   3   MEAN B VALUE      (OVERALL, A**2) : NULL                           
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) : 0.008                           
REMARK   3   BOND ANGLES            (DEGREES) : 1.300                           
REMARK   3   DIHEDRAL ANGLES        (DEGREES) : NULL                            
REMARK   3   IMPROPER ANGLES        (DEGREES) : NULL                            
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  BULK SOLVENT MODELING.                                              
REMARK   3   METHOD USED : NULL                                                 
REMARK   3   KSOL        : NULL                                                 
REMARK   3   BSOL        : 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: NULL                                      
REMARK   4                                                                      
REMARK   4 2I9K COMPLIES WITH FORMAT V. 3.30, 13-JUL-11                         
REMARK 100                                                                      
REMARK 100 THIS ENTRY HAS BEEN PROCESSED BY RCSB ON 06-SEP-06.                  
REMARK 100 THE DEPOSITION ID IS D_1000039308.                                   
REMARK 200                                                                      
REMARK 200 EXPERIMENTAL DETAILS                                                 
REMARK 200  EXPERIMENT TYPE                : X-RAY DIFFRACTION                  
REMARK 200  DATE OF DATA COLLECTION        : 15-JUL-04                          
REMARK 200  TEMPERATURE           (KELVIN) : 100                                
REMARK 200  PH                             : 6.0                                
REMARK 200  NUMBER OF CRYSTALS USED        : 1                                  
REMARK 200                                                                      
REMARK 200  SYNCHROTRON              (Y/N) : N                                  
REMARK 200  RADIATION SOURCE               : ROTATING ANODE                     
REMARK 200  BEAMLINE                       : NULL                               
REMARK 200  X-RAY GENERATOR MODEL          : RIGAKU RU200                       
REMARK 200  MONOCHROMATIC OR LAUE    (M/L) : M                                  
REMARK 200  WAVELENGTH OR RANGE        (A) : 1.541                              
REMARK 200  MONOCHROMATOR                  : NI MIRROR + NI FILTER              
REMARK 200  OPTICS                         : NULL                               
REMARK 200                                                                      
REMARK 200  DETECTOR TYPE                  : IMAGE PLATE                        
REMARK 200  DETECTOR MANUFACTURER          : RIGAKU RAXIS II                    
REMARK 200  INTENSITY-INTEGRATION SOFTWARE : MOSFLM                             
REMARK 200  DATA SCALING SOFTWARE          : CCP4 (SCALA)                       
REMARK 200                                                                      
REMARK 200  NUMBER OF UNIQUE REFLECTIONS   : 17397                              
REMARK 200  RESOLUTION RANGE HIGH      (A) : 2.650                              
REMARK 200  RESOLUTION RANGE LOW       (A) : 8.380                              
REMARK 200  REJECTION CRITERIA  (SIGMA(I)) : 1.900                              
REMARK 200                                                                      
REMARK 200 OVERALL.                                                             
REMARK 200  COMPLETENESS FOR RANGE     (%) : 99.6                               
REMARK 200  DATA REDUNDANCY                : NULL                               
REMARK 200  R MERGE                    (I) : 0.08400                            
REMARK 200  R SYM                      (I) : 0.06100                            
REMARK 200  <I/SIGMA(I)> FOR THE DATA SET  : 7.1000                             
REMARK 200                                                                      
REMARK 200 IN THE HIGHEST RESOLUTION SHELL.                                     
REMARK 200  HIGHEST RESOLUTION SHELL, RANGE HIGH (A) : 2.65                     
REMARK 200  HIGHEST RESOLUTION SHELL, RANGE LOW  (A) : 2.79                     
REMARK 200  COMPLETENESS FOR SHELL     (%) : 97.1                               
REMARK 200  DATA REDUNDANCY IN SHELL       : NULL                               
REMARK 200  R MERGE FOR SHELL          (I) : 0.39000                            
REMARK 200  R SYM FOR SHELL            (I) : 0.28700                            
REMARK 200  <I/SIGMA(I)> FOR SHELL         : 1.900                              
REMARK 200                                                                      
REMARK 200 DIFFRACTION PROTOCOL: SINGLE WAVELENGTH                              
REMARK 200 METHOD USED TO DETERMINE THE STRUCTURE: NULL                         
REMARK 200 SOFTWARE USED: CNS                                                   
REMARK 200 STARTING MODEL: NULL                                                 
REMARK 200                                                                      
REMARK 200 REMARK: NULL                                                         
REMARK 280                                                                      
REMARK 280 CRYSTAL                                                              
REMARK 280 SOLVENT CONTENT, VS   (%): 62.15                                     
REMARK 280 MATTHEWS COEFFICIENT, VM (ANGSTROMS**3/DA): 3.25                     
REMARK 280                                                                      
REMARK 280 CRYSTALLIZATION CONDITIONS: 20% AMMONIUM SULFATE, 100MM SODIUM       
REMARK 280  CITRATE BUFFER, PH 6.0, HANGING DROP, TEMPERATURE 290K              
REMARK 290                                                                      
REMARK 290 CRYSTALLOGRAPHIC SYMMETRY                                            
REMARK 290 SYMMETRY OPERATORS FOR SPACE GROUP: H 3 2                            
REMARK 290                                                                      
REMARK 290      SYMOP   SYMMETRY                                                
REMARK 290     NNNMMM   OPERATOR                                                
REMARK 290       1555   X,Y,Z                                                   
REMARK 290       2555   -Y,X-Y,Z                                                
REMARK 290       3555   -X+Y,-X,Z                                               
REMARK 290       4555   Y,X,-Z                                                  
REMARK 290       5555   X-Y,-Y,-Z                                               
REMARK 290       6555   -X,-X+Y,-Z                                              
REMARK 290       7555   X+2/3,Y+1/3,Z+1/3                                       
REMARK 290       8555   -Y+2/3,X-Y+1/3,Z+1/3                                    
REMARK 290       9555   -X+Y+2/3,-X+1/3,Z+1/3                                   
REMARK 290      10555   Y+2/3,X+1/3,-Z+1/3                                      
REMARK 290      11555   X-Y+2/3,-Y+1/3,-Z+1/3                                   
REMARK 290      12555   -X+2/3,-X+Y+1/3,-Z+1/3                                  
REMARK 290      13555   X+1/3,Y+2/3,Z+2/3                                       
REMARK 290      14555   -Y+1/3,X-Y+2/3,Z+2/3                                    
REMARK 290      15555   -X+Y+1/3,-X+2/3,Z+2/3                                   
REMARK 290      16555   Y+1/3,X+2/3,-Z+2/3                                      
REMARK 290      17555   X-Y+1/3,-Y+2/3,-Z+2/3                                   
REMARK 290      18555   -X+1/3,-X+Y+2/3,-Z+2/3                                  
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        0.00000            
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        0.00000            
REMARK 290   SMTRY1   4 -0.500000  0.866025  0.000000        0.00000            
REMARK 290   SMTRY2   4  0.866025  0.500000  0.000000        0.00000            
REMARK 290   SMTRY3   4  0.000000  0.000000 -1.000000        0.00000            
REMARK 290   SMTRY1   5  1.000000  0.000000  0.000000        0.00000            
REMARK 290   SMTRY2   5  0.000000 -1.000000  0.000000        0.00000            
REMARK 290   SMTRY3   5  0.000000  0.000000 -1.000000        0.00000            
REMARK 290   SMTRY1   6 -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        0.00000            
REMARK 290   SMTRY1   7  1.000000  0.000000  0.000000       48.75500            
REMARK 290   SMTRY2   7  0.000000  1.000000  0.000000       28.14871            
REMARK 290   SMTRY3   7  0.000000  0.000000  1.000000      106.56667            
REMARK 290   SMTRY1   8 -0.500000 -0.866025  0.000000       48.75500            
REMARK 290   SMTRY2   8  0.866025 -0.500000  0.000000       28.14871            
REMARK 290   SMTRY3   8  0.000000  0.000000  1.000000      106.56667            
REMARK 290   SMTRY1   9 -0.500000  0.866025  0.000000       48.75500            
REMARK 290   SMTRY2   9 -0.866025 -0.500000  0.000000       28.14871            
REMARK 290   SMTRY3   9  0.000000  0.000000  1.000000      106.56667            
REMARK 290   SMTRY1  10 -0.500000  0.866025  0.000000       48.75500            
REMARK 290   SMTRY2  10  0.866025  0.500000  0.000000       28.14871            
REMARK 290   SMTRY3  10  0.000000  0.000000 -1.000000      106.56667            
REMARK 290   SMTRY1  11  1.000000  0.000000  0.000000       48.75500            
REMARK 290   SMTRY2  11  0.000000 -1.000000  0.000000       28.14871            
REMARK 290   SMTRY3  11  0.000000  0.000000 -1.000000      106.56667            
REMARK 290   SMTRY1  12 -0.500000 -0.866025  0.000000       48.75500            
REMARK 290   SMTRY2  12 -0.866025  0.500000  0.000000       28.14871            
REMARK 290   SMTRY3  12  0.000000  0.000000 -1.000000      106.56667            
REMARK 290   SMTRY1  13  1.000000  0.000000  0.000000        0.00000            
REMARK 290   SMTRY2  13  0.000000  1.000000  0.000000       56.29742            
REMARK 290   SMTRY3  13  0.000000  0.000000  1.000000      213.13333            
REMARK 290   SMTRY1  14 -0.500000 -0.866025  0.000000        0.00000            
REMARK 290   SMTRY2  14  0.866025 -0.500000  0.000000       56.29742            
REMARK 290   SMTRY3  14  0.000000  0.000000  1.000000      213.13333            
REMARK 290   SMTRY1  15 -0.500000  0.866025  0.000000        0.00000            
REMARK 290   SMTRY2  15 -0.866025 -0.500000  0.000000       56.29742            
REMARK 290   SMTRY3  15  0.000000  0.000000  1.000000      213.13333            
REMARK 290   SMTRY1  16 -0.500000  0.866025  0.000000        0.00000            
REMARK 290   SMTRY2  16  0.866025  0.500000  0.000000       56.29742            
REMARK 290   SMTRY3  16  0.000000  0.000000 -1.000000      213.13333            
REMARK 290   SMTRY1  17  1.000000  0.000000  0.000000        0.00000            
REMARK 290   SMTRY2  17  0.000000 -1.000000  0.000000       56.29742            
REMARK 290   SMTRY3  17  0.000000  0.000000 -1.000000      213.13333            
REMARK 290   SMTRY1  18 -0.500000 -0.866025  0.000000        0.00000            
REMARK 290   SMTRY2  18 -0.866025  0.500000  0.000000       56.29742            
REMARK 290   SMTRY3  18  0.000000  0.000000 -1.000000      213.13333            
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: 4320 ANGSTROM**2                          
REMARK 350 SURFACE AREA OF THE COMPLEX: 15890 ANGSTROM**2                       
REMARK 350 CHANGE IN SOLVENT FREE ENERGY: -15.0 KCAL/MOL                        
REMARK 350 APPLY THE FOLLOWING TO CHAINS: C, D, A                               
REMARK 350   BIOMT1   1  1.000000  0.000000  0.000000        0.00000            
REMARK 350   BIOMT2   1  0.000000  1.000000  0.000000        0.00000            
REMARK 350   BIOMT3   1  0.000000  0.000000  1.000000        0.00000            
REMARK 465                                                                      
REMARK 465 MISSING RESIDUES                                                     
REMARK 465 THE FOLLOWING RESIDUES WERE NOT LOCATED IN THE                       
REMARK 465 EXPERIMENT. (M=MODEL NUMBER; RES=RESIDUE NAME; C=CHAIN               
REMARK 465 IDENTIFIER; SSSEQ=SEQUENCE NUMBER; I=INSERTION CODE.)                
REMARK 465                                                                      
REMARK 465   M RES C SSSEQI                                                     
REMARK 465      DT C   401                                                      
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      DG C 402    P    OP1  OP2                                       
REMARK 470     LYS A  89    CG   CD   CE   NZ                                   
REMARK 470     LYS A  91    CG   CD   CE   NZ                                   
REMARK 470     GLU A  94    CG   CD   OE1  OE2                                  
REMARK 470     SER A  96    OG                                                  
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    GLY A  78   N   -  CA  -  C   ANGL. DEV. = -15.8 DEGREES          
REMARK 500                                                                      
REMARK 500 REMARK: NULL                                                         
REMARK 500                                                                      
REMARK 500 GEOMETRY AND STEREOCHEMISTRY                                         
REMARK 500 SUBTOPIC: TORSION ANGLES                                             
REMARK 500                                                                      
REMARK 500 TORSION ANGLES OUTSIDE THE EXPECTED RAMACHANDRAN REGIONS:            
REMARK 500 (M=MODEL NUMBER; RES=RESIDUE NAME; C=CHAIN IDENTIFIER;               
REMARK 500 SSEQ=SEQUENCE NUMBER; I=INSERTION CODE).                             
REMARK 500                                                                      
REMARK 500 STANDARD TABLE:                                                      
REMARK 500 FORMAT:(10X,I3,1X,A3,1X,A1,I4,A1,4X,F7.2,3X,F7.2)                    
REMARK 500                                                                      
REMARK 500 EXPECTED VALUES: GJ KLEYWEGT AND TA JONES (1996). PHI/PSI-           
REMARK 500 CHOLOGY: RAMACHANDRAN REVISITED. STRUCTURE 4, 1395 - 1400            
REMARK 500                                                                      
REMARK 500  M RES CSSEQI        PSI       PHI                                   
REMARK 500    GLU A  40      131.35   -171.70                                   
REMARK 500    ASP A  60      100.96    -11.15                                   
REMARK 500    ALA A  77      112.64   -169.55                                   
REMARK 500    PRO A  80      150.75    -47.21                                   
REMARK 500    GLN A  90       27.07     46.13                                   
REMARK 500    LYS A  91        5.11    -65.92                                   
REMARK 500    ASP A 144       40.72     85.99                                   
REMARK 500    LYS A 162       40.86    -79.29                                   
REMARK 500    ASN A 176       73.91   -105.98                                   
REMARK 500    GLU A 218      152.27    -42.14                                   
REMARK 500    PRO A 224       40.47    -77.10                                   
REMARK 500    PHE A 259       43.54   -101.75                                   
REMARK 500    ALA A 260      122.53    -38.45                                   
REMARK 500    LYS A 261      -16.59     71.38                                   
REMARK 500    SER A 305     -157.38    -85.29                                   
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     DC C 413         0.07    SIDE CHAIN                              
REMARK 500                                                                      
REMARK 500 REMARK: NULL                                                         
REMARK 800                                                                      
REMARK 800 SITE                                                                 
REMARK 800 SITE_IDENTIFIER: AC1                                                 
REMARK 800 EVIDENCE_CODE: SOFTWARE                                              
REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE SAH A 328                 
REMARK 900                                                                      
REMARK 900 RELATED ENTRIES                                                      
REMARK 900 RELATED ID: 2HR1   RELATED DB: PDB                                   
REMARK 900 TERNARY STRUCTURE OF WT M.HHAI C5-CYTOSINE DNA METHYLTRANSFERASE     
REMARK 900 WITH UNMODIFIED DNA AND ADOHCY                                       
REMARK 900 RELATED ID: 3MHT   RELATED DB: PDB                                   
REMARK 900 TERNARY STRUCTURE OF HHAI METHYLTRANSFERASE WITH UNMODIFIED DNA AND  
REMARK 900 ADHOCY                                                               
DBREF  2I9K A    1   327  UNP    P05102   MTH1_HAEPH       1    327             
DBREF  2I9K C  401   413  PDB    2I9K     2I9K           401    413             
DBREF  2I9K D  421   433  PDB    2I9K     2I9K           421    433             
SEQADV 2I9K ALA A  124  UNP  P05102    PHE   124 ENGINEERED MUTATION            
SEQRES   1 C   13   DT  DG  DA  DT  DA  DG  DC  DG  DC  DT  DA  DT  DC          
SEQRES   1 D   13   DT  DG  DA  DT  DA  DG  DC  DG  DC  DT  DA  DT  DC          
SEQRES   1 A  327  MET ILE GLU ILE LYS ASP LYS GLN LEU THR GLY LEU ARG          
SEQRES   2 A  327  PHE ILE ASP LEU PHE ALA GLY LEU GLY GLY PHE ARG LEU          
SEQRES   3 A  327  ALA LEU GLU SER CYS GLY ALA GLU CYS VAL TYR SER ASN          
SEQRES   4 A  327  GLU TRP ASP LYS TYR ALA GLN GLU VAL TYR GLU MET ASN          
SEQRES   5 A  327  PHE GLY GLU LYS PRO GLU GLY ASP ILE THR GLN VAL ASN          
SEQRES   6 A  327  GLU LYS THR ILE PRO ASP HIS ASP ILE LEU CYS ALA GLY          
SEQRES   7 A  327  PHE PRO CYS GLN ALA PHE SER ILE SER GLY LYS GLN LYS          
SEQRES   8 A  327  GLY PHE GLU ASP SER ARG GLY THR LEU PHE PHE ASP ILE          
SEQRES   9 A  327  ALA ARG ILE VAL ARG GLU LYS LYS PRO LYS VAL VAL PHE          
SEQRES  10 A  327  MET GLU ASN VAL LYS ASN ALA ALA SER HIS ASP ASN GLY          
SEQRES  11 A  327  ASN THR LEU GLU VAL VAL LYS ASN THR MET ASN GLU LEU          
SEQRES  12 A  327  ASP TYR SER PHE HIS ALA LYS VAL LEU ASN ALA LEU ASP          
SEQRES  13 A  327  TYR GLY ILE PRO GLN LYS ARG GLU ARG ILE TYR MET ILE          
SEQRES  14 A  327  CYS PHE ARG ASN ASP LEU ASN ILE GLN ASN PHE GLN PHE          
SEQRES  15 A  327  PRO LYS PRO PHE GLU LEU ASN THR PHE VAL LYS ASP LEU          
SEQRES  16 A  327  LEU LEU PRO ASP SER GLU VAL GLU HIS LEU VAL ILE ASP          
SEQRES  17 A  327  ARG LYS ASP LEU VAL MET THR ASN GLN GLU ILE GLU GLN          
SEQRES  18 A  327  THR THR PRO LYS THR VAL ARG LEU GLY ILE VAL GLY LYS          
SEQRES  19 A  327  GLY GLY GLN GLY GLU ARG ILE TYR SER THR ARG GLY ILE          
SEQRES  20 A  327  ALA ILE THR LEU SER ALA TYR GLY GLY GLY ILE PHE ALA          
SEQRES  21 A  327  LYS THR GLY GLY TYR LEU VAL ASN GLY LYS THR ARG LYS          
SEQRES  22 A  327  LEU HIS PRO ARG GLU CYS ALA ARG VAL MET GLY TYR PRO          
SEQRES  23 A  327  ASP SER TYR LYS VAL HIS PRO SER THR SER GLN ALA TYR          
SEQRES  24 A  327  LYS GLN PHE GLY ASN SER VAL VAL ILE ASN VAL LEU GLN          
SEQRES  25 A  327  TYR ILE ALA TYR ASN ILE GLY SER SER LEU ASN PHE LYS          
SEQRES  26 A  327  PRO TYR                                                      
HET    SAH  A 328      26                                                       
HETNAM     SAH S-ADENOSYL-L-HOMOCYSTEINE                                        
FORMUL   4  SAH    C14 H20 N6 O5 S                                              
HELIX    1   1 GLY A   22  CYS A   31  1                                  10    
HELIX    2   2 ASP A   42  GLY A   54  1                                  13    
HELIX    3   3 ASP A   60  VAL A   64  5                                   5    
HELIX    4   4 ASN A   65  ILE A   69  5                                   5    
HELIX    5   5 LYS A   91  GLY A   98  5                                   8    
HELIX    6   6 THR A   99  LYS A  112  1                                  14    
HELIX    7   7 LYS A  122  GLU A  142  1                                  21    
HELIX    8   8 LEU A  155  TYR A  157  5                                   3    
HELIX    9   9 PHE A  191  LEU A  196  1                                   6    
HELIX   10  10 PRO A  198  GLU A  203  1                                   6    
HELIX   11  11 HIS A  275  MET A  283  1                                   9    
HELIX   12  12 SER A  294  ASN A  304  1                                  11    
HELIX   13  13 VAL A  307  PHE A  324  1                                  18    
SHEET    1   A 6 GLU A  34  SER A  38  0                                        
SHEET    2   A 6 ARG A  13  LEU A  17  1  N  ASP A  16   O  TYR A  37           
SHEET    3   A 6 ILE A  74  ALA A  77  1  O  CYS A  76   N  ILE A  15           
SHEET    4   A 6 VAL A 115  VAL A 121  1  O  PHE A 117   N  LEU A  75           
SHEET    5   A 6 GLU A 164  PHE A 171 -1  O  CYS A 170   N  VAL A 116           
SHEET    6   A 6 HIS A 148  ASN A 153 -1  N  HIS A 148   O  ILE A 169           
SHEET    1   B 6 VAL A 206  ILE A 207  0                                        
SHEET    2   B 6 LYS A 270  LYS A 273 -1  O  THR A 271   N  ILE A 207           
SHEET    3   B 6 GLY A 264  VAL A 267 -1  N  TYR A 265   O  ARG A 272           
SHEET    4   B 6 ARG A 240  SER A 243  1  N  TYR A 242   O  GLY A 264           
SHEET    5   B 6 ARG A 228  ILE A 231 -1  N  LEU A 229   O  ILE A 241           
SHEET    6   B 6 VAL A 213  MET A 214 -1  N  VAL A 213   O  ILE A 231           
SITE     1 AC1 17 PHE A  18  ALA A  19  GLY A  20  LEU A  21                    
SITE     2 AC1 17 GLY A  23  PHE A  24  ASN A  39  GLU A  40                    
SITE     3 AC1 17 TRP A  41  ASP A  60  ILE A  61  GLY A  78                    
SITE     4 AC1 17 PRO A  80  TYR A 285  ASN A 304  SER A 305                    
SITE     5 AC1 17 VAL A 306                                                     
CRYST1   97.510   97.510  319.700  90.00  90.00 120.00 H 3 2        36          
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      0.010255  0.005921  0.000000        0.00000                         
SCALE2      0.000000  0.011842  0.000000        0.00000                         
SCALE3      0.000000  0.000000  0.003128        0.00000