HEADER    DNA                                     20-SEP-05   2B3E              
TITLE     CRYSTAL STRUCTURE OF DB819-D(CGCGAATTCGCG)2 COMPLEX.                  
COMPND    MOL_ID: 1;                                                            
COMPND   2 MOLECULE: 5'-D(*CP*GP*CP*GP*AP*AP*TP*TP*CP*GP*CP*G)-3';              
COMPND   3 CHAIN: A, B;                                                         
COMPND   4 ENGINEERED: YES                                                      
SOURCE    MOL_ID: 1;                                                            
SOURCE   2 SYNTHETIC: YES;                                                      
SOURCE   3 OTHER_DETAILS: AT-RICH REGION IN THE GENOME OF ORGANISMS.            
KEYWDS    NUCLEIC ACIDS, DNA, DOUBLE HELIX, MINOR GROOVE, DNA MINOR, GROOVE     
KEYWDS   2 BINDER, DNA MINOR GROOVE-LIGAND COMPLEX, DB819, A2T2, DICKERSON AND  
KEYWDS   3 DREW DODECAMER, CRYSTAL STRUCTURE OF B-DNA, DNA-DRUG COMPLEX,        
KEYWDS   4 MAGNESIUM-WATER COMPLEX, HYDRATED MAGNESIUM, DNA HYDRATION.          
EXPDTA    X-RAY DIFFRACTION                                                     
AUTHOR    N.H.CAMPBELL,D.A.EVANS,M.P.LEE,G.N.PARKINSON,S.NEIDLE                 
REVDAT   6   23-AUG-23 2B3E    1       REMARK LINK                              
REVDAT   5   24-JUL-19 2B3E    1       REMARK                                   
REVDAT   4   24-FEB-09 2B3E    1       VERSN                                    
REVDAT   3   13-DEC-05 2B3E    1       AUTHOR                                   
REVDAT   2   06-DEC-05 2B3E    1       JRNL                                     
REVDAT   1   22-NOV-05 2B3E    0                                                
JRNL        AUTH   N.H.CAMPBELL,D.A.EVANS,M.P.LEE,G.N.PARKINSON,S.NEIDLE        
JRNL        TITL   TARGETING THE DNA MINOR GROOVE WITH FUSED RING DICATIONIC    
JRNL        TITL 2 COMPOUNDS: COMPARISON OF IN SILICO SCREENING AND A           
JRNL        TITL 3 HIGH-RESOLUTION CRYSTAL STRUCTURE.                           
JRNL        REF    BIOORG.MED.CHEM.LETT.         V.  16    15 2006              
JRNL        REFN                   ISSN 0960-894X                               
JRNL        PMID   16263285                                                     
JRNL        DOI    10.1016/J.BMCL.2005.10.036                                   
REMARK   2                                                                      
REMARK   2 RESOLUTION.    1.36 ANGSTROMS.                                       
REMARK   3                                                                      
REMARK   3 REFINEMENT.                                                          
REMARK   3   PROGRAM     : SHELXL-97                                            
REMARK   3   AUTHORS     : G.M.SHELDRICK                                        
REMARK   3                                                                      
REMARK   3  DATA USED IN REFINEMENT.                                            
REMARK   3   RESOLUTION RANGE HIGH (ANGSTROMS) : 1.36                           
REMARK   3   RESOLUTION RANGE LOW  (ANGSTROMS) : 8.00                           
REMARK   3   DATA CUTOFF            (SIGMA(F)) : 2.000                          
REMARK   3   COMPLETENESS FOR RANGE        (%) : 83.0                           
REMARK   3   CROSS-VALIDATION METHOD           : THROUGHOUT                     
REMARK   3   FREE R VALUE TEST SET SELECTION   : RANDOM                         
REMARK   3                                                                      
REMARK   3  FIT TO DATA USED IN REFINEMENT (NO CUTOFF).                         
REMARK   3   R VALUE   (WORKING + TEST SET, NO CUTOFF) : 0.210                  
REMARK   3   R VALUE          (WORKING SET, NO CUTOFF) : 0.208                  
REMARK   3   FREE R VALUE                  (NO CUTOFF) : 0.254                  
REMARK   3   FREE R VALUE TEST SET SIZE (%, NO CUTOFF) : 10.005                 
REMARK   3   FREE R VALUE TEST SET COUNT   (NO CUTOFF) : 1308                   
REMARK   3   TOTAL NUMBER OF REFLECTIONS   (NO CUTOFF) : 13073                  
REMARK   3                                                                      
REMARK   3  FIT/AGREEMENT OF MODEL FOR DATA WITH F>4SIG(F).                     
REMARK   3   R VALUE   (WORKING + TEST SET, F>4SIG(F)) : 0.199                  
REMARK   3   R VALUE          (WORKING SET, F>4SIG(F)) : 0.196                  
REMARK   3   FREE R VALUE                  (F>4SIG(F)) : 0.244                  
REMARK   3   FREE R VALUE TEST SET SIZE (%, F>4SIG(F)) : 10.048                 
REMARK   3   FREE R VALUE TEST SET COUNT   (F>4SIG(F)) : 1147                   
REMARK   3   TOTAL NUMBER OF REFLECTIONS   (F>4SIG(F)) : 11415                  
REMARK   3                                                                      
REMARK   3  NUMBER OF NON-HYDROGEN ATOMS USED IN REFINEMENT.                    
REMARK   3   PROTEIN ATOMS      : 0                                             
REMARK   3   NUCLEIC ACID ATOMS : 486                                           
REMARK   3   HETEROGEN ATOMS    : 31                                            
REMARK   3   SOLVENT ATOMS      : 107                                           
REMARK   3                                                                      
REMARK   3  MODEL REFINEMENT.                                                   
REMARK   3   OCCUPANCY SUM OF NON-HYDROGEN ATOMS      : 624.00                  
REMARK   3   OCCUPANCY SUM OF HYDROGEN ATOMS          : 0.00                    
REMARK   3   NUMBER OF DISCRETELY DISORDERED RESIDUES : 0                       
REMARK   3   NUMBER OF LEAST-SQUARES PARAMETERS       : 2511                    
REMARK   3   NUMBER OF RESTRAINTS                     : 2558                    
REMARK   3                                                                      
REMARK   3  RMS DEVIATIONS FROM RESTRAINT TARGET VALUES.                        
REMARK   3   BOND LENGTHS                         (A) : 0.011                   
REMARK   3   ANGLE DISTANCES                      (A) : 0.032                   
REMARK   3   SIMILAR DISTANCES (NO TARGET VALUES) (A) : 0.000                   
REMARK   3   DISTANCES FROM RESTRAINT PLANES      (A) : 0.036                   
REMARK   3   ZERO CHIRAL VOLUMES               (A**3) : 0.000                   
REMARK   3   NON-ZERO CHIRAL VOLUMES           (A**3) : 0.009                   
REMARK   3   ANTI-BUMPING DISTANCE RESTRAINTS     (A) : 0.009                   
REMARK   3   RIGID-BOND ADP COMPONENTS         (A**2) : 0.000                   
REMARK   3   SIMILAR ADP COMPONENTS            (A**2) : 0.046                   
REMARK   3   APPROXIMATELY ISOTROPIC ADPS      (A**2) : 0.000                   
REMARK   3                                                                      
REMARK   3  BULK SOLVENT MODELING.                                              
REMARK   3   METHOD USED: MOEWS & KRETSINGER, J.MOL.BIOL.91(1973)201-228        
REMARK   3                                                                      
REMARK   3  STEREOCHEMISTRY TARGET VALUES : ENGH & HUBER                        
REMARK   3   SPECIAL CASE: NULL                                                 
REMARK   3                                                                      
REMARK   3  OTHER REFINEMENT REMARKS: USED WEIGHTED FULL MATRIX LEAST SQUARES   
REMARK   3  PROCEDURE. ANISOTROPIC SCALING APPLIED BY THE METHOD OF PARKIN,     
REMARK   3  MOEZZI & HOPE, J.APPL.CRYST.28(1995)53-56                           
REMARK   4                                                                      
REMARK   4 2B3E COMPLIES WITH FORMAT V. 3.30, 13-JUL-11                         
REMARK 100                                                                      
REMARK 100 THIS ENTRY HAS BEEN PROCESSED BY RCSB ON 06-OCT-05.                  
REMARK 100 THE DEPOSITION ID IS D_1000034625.                                   
REMARK 200                                                                      
REMARK 200 EXPERIMENTAL DETAILS                                                 
REMARK 200  EXPERIMENT TYPE                : X-RAY DIFFRACTION                  
REMARK 200  DATE OF DATA COLLECTION        : 23-MAY-05                          
REMARK 200  TEMPERATURE           (KELVIN) : 105.0                              
REMARK 200  PH                             : 7.00                               
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) : 1.54178                            
REMARK 200  MONOCHROMATOR                  : NI FILTER                          
REMARK 200  OPTICS                         : OSMIC FOCUSING MIRROR SYSTEM       
REMARK 200                                                                      
REMARK 200  DETECTOR TYPE                  : IMAGE PLATE                        
REMARK 200  DETECTOR MANUFACTURER          : RIGAKU RAXIS IV                    
REMARK 200  INTENSITY-INTEGRATION SOFTWARE : DENZO                              
REMARK 200  DATA SCALING SOFTWARE          : SCALEPACK                          
REMARK 200                                                                      
REMARK 200  NUMBER OF UNIQUE REFLECTIONS   : 13180                              
REMARK 200  RESOLUTION RANGE HIGH      (A) : 1.360                              
REMARK 200  RESOLUTION RANGE LOW       (A) : 25.000                             
REMARK 200  REJECTION CRITERIA  (SIGMA(I)) : -2.000                             
REMARK 200                                                                      
REMARK 200 OVERALL.                                                             
REMARK 200  COMPLETENESS FOR RANGE     (%) : 92.2                               
REMARK 200  DATA REDUNDANCY                : 4.380                              
REMARK 200  R MERGE                    (I) : 0.03700                            
REMARK 200  R SYM                      (I) : NULL                               
REMARK 200  <I/SIGMA(I)> FOR THE DATA SET  : 56.8200                            
REMARK 200                                                                      
REMARK 200 IN THE HIGHEST RESOLUTION SHELL.                                     
REMARK 200  HIGHEST RESOLUTION SHELL, RANGE HIGH (A) : 1.36                     
REMARK 200  HIGHEST RESOLUTION SHELL, RANGE LOW  (A) : 1.41                     
REMARK 200  COMPLETENESS FOR SHELL     (%) : 60.7                               
REMARK 200  DATA REDUNDANCY IN SHELL       : NULL                               
REMARK 200  R MERGE FOR SHELL          (I) : 0.28500                            
REMARK 200  R SYM FOR SHELL            (I) : NULL                               
REMARK 200  <I/SIGMA(I)> FOR SHELL         : 3.030                              
REMARK 200                                                                      
REMARK 200 DIFFRACTION PROTOCOL: SINGLE WAVELENGTH                              
REMARK 200 METHOD USED TO DETERMINE THE STRUCTURE: MOLECULAR REPLACEMENT        
REMARK 200 SOFTWARE USED: CNS                                                   
REMARK 200 STARTING MODEL: DNA PART OF NDB ENTRY GDL009 OR PDB ENTRY 2DBE       
REMARK 200                                                                      
REMARK 200 REMARK: NULL                                                         
REMARK 280                                                                      
REMARK 280 CRYSTAL                                                              
REMARK 280 SOLVENT CONTENT, VS   (%): 53.64                                     
REMARK 280 MATTHEWS COEFFICIENT, VM (ANGSTROMS**3/DA): 2.65                     
REMARK 280                                                                      
REMARK 280 CRYSTALLIZATION CONDITIONS: MAGNESIUM CHLORIDE, DNA, COMPOUND        
REMARK 280  DB819, MPD, SODIUM CACODYLATE BUFFER, VAPOR DIFFUSION, SITTING      
REMARK 280  DROP, TEMPERATURE 293K, PH 7.00                                     
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       12.09800            
REMARK 290   SMTRY2   2  0.000000 -1.000000  0.000000        0.00000            
REMARK 290   SMTRY3   2  0.000000  0.000000  1.000000       32.76250            
REMARK 290   SMTRY1   3 -1.000000  0.000000  0.000000        0.00000            
REMARK 290   SMTRY2   3  0.000000  1.000000  0.000000       19.98000            
REMARK 290   SMTRY3   3  0.000000  0.000000 -1.000000       32.76250            
REMARK 290   SMTRY1   4  1.000000  0.000000  0.000000       12.09800            
REMARK 290   SMTRY2   4  0.000000 -1.000000  0.000000       19.98000            
REMARK 290   SMTRY3   4  0.000000  0.000000 -1.000000        0.00000            
REMARK 290                                                                      
REMARK 290 REMARK: NULL                                                         
REMARK 300                                                                      
REMARK 300 BIOMOLECULE: 1                                                       
REMARK 300 SEE REMARK 350 FOR THE AUTHOR PROVIDED AND/OR PROGRAM                
REMARK 300 GENERATED ASSEMBLY INFORMATION FOR THE STRUCTURE IN                  
REMARK 300 THIS ENTRY. THE REMARK MAY ALSO PROVIDE INFORMATION ON               
REMARK 300 BURIED SURFACE AREA.                                                 
REMARK 350                                                                      
REMARK 350 COORDINATES FOR A COMPLETE MULTIMER REPRESENTING THE KNOWN           
REMARK 350 BIOLOGICALLY SIGNIFICANT OLIGOMERIZATION STATE OF THE                
REMARK 350 MOLECULE CAN BE GENERATED BY APPLYING BIOMT TRANSFORMATIONS          
REMARK 350 GIVEN BELOW.  BOTH NON-CRYSTALLOGRAPHIC AND                          
REMARK 350 CRYSTALLOGRAPHIC OPERATIONS ARE GIVEN.                               
REMARK 350                                                                      
REMARK 350 BIOMOLECULE: 1                                                       
REMARK 350 AUTHOR DETERMINED BIOLOGICAL UNIT: DIMERIC                           
REMARK 350 APPLY THE FOLLOWING TO CHAINS: A, B                                  
REMARK 350   BIOMT1   1  1.000000  0.000000  0.000000        0.00000            
REMARK 350   BIOMT2   1  0.000000  1.000000  0.000000        0.00000            
REMARK 350   BIOMT3   1  0.000000  0.000000  1.000000        0.00000            
REMARK 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   N26  DBN A    25     O    HOH A    43              2.10            
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     DC A   1   O4' -  C1' -  N1  ANGL. DEV. =  -4.3 DEGREES          
REMARK 500     DG A   2   O4' -  C1' -  N9  ANGL. DEV. =  -5.1 DEGREES          
REMARK 500     DG A   2   C5  -  C6  -  O6  ANGL. DEV. =  -3.9 DEGREES          
REMARK 500     DA A   5   O4' -  C1' -  N9  ANGL. DEV. =  -5.5 DEGREES          
REMARK 500     DA A   6   C3' -  O3' -  P   ANGL. DEV. =   7.5 DEGREES          
REMARK 500     DG A  10   N1  -  C6  -  O6  ANGL. DEV. =   6.5 DEGREES          
REMARK 500     DG A  10   C5  -  C6  -  O6  ANGL. DEV. =  -5.0 DEGREES          
REMARK 500     DC A  11   O4' -  C4' -  C3' ANGL. DEV. =  -2.5 DEGREES          
REMARK 500     DC A  11   O4' -  C1' -  N1  ANGL. DEV. =  -6.5 DEGREES          
REMARK 500     DG A  12   C1' -  O4' -  C4' ANGL. DEV. =  -6.4 DEGREES          
REMARK 500     DC B  13   N3  -  C4  -  C5  ANGL. DEV. =  -3.2 DEGREES          
REMARK 500     DC B  15   O4' -  C1' -  N1  ANGL. DEV. =  -7.2 DEGREES          
REMARK 500     DC B  15   C2  -  N3  -  C4  ANGL. DEV. =   3.5 DEGREES          
REMARK 500     DC B  15   C5  -  C4  -  N4  ANGL. DEV. =   4.3 DEGREES          
REMARK 500     DA B  17   C6  -  N1  -  C2  ANGL. DEV. =   4.6 DEGREES          
REMARK 500     DA B  17   N1  -  C2  -  N3  ANGL. DEV. =  -5.0 DEGREES          
REMARK 500     DA B  18   C6  -  N1  -  C2  ANGL. DEV. =   3.7 DEGREES          
REMARK 500     DT B  20   O4' -  C1' -  N1  ANGL. DEV. =  -6.9 DEGREES          
REMARK 500     DC B  21   O4' -  C1' -  N1  ANGL. DEV. =  -8.8 DEGREES          
REMARK 500     DG B  22   C3' -  C2' -  C1' ANGL. DEV. =  -6.3 DEGREES          
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  26  MG                            
REMARK 620 N RES CSSEQI ATOM                                                    
REMARK 620 1 HOH A 129   O                                                      
REMARK 620 2 HOH A 130   O    88.6                                              
REMARK 620 3 HOH A 132   O    89.9  89.0                                        
REMARK 620 4 HOH A 133   O    90.3  91.9 179.0                                  
REMARK 620 5 HOH B 128   O    91.8 179.6  90.9  88.1                            
REMARK 620 6 HOH B 131   O   179.2  90.6  90.1  89.7  89.0                      
REMARK 620 N                    1     2     3     4     5                       
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 26                   
REMARK 800                                                                      
REMARK 800 SITE_IDENTIFIER: AC2                                                 
REMARK 800 EVIDENCE_CODE: SOFTWARE                                              
REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE DBN A 25                  
REMARK 900                                                                      
REMARK 900 RELATED ENTRIES                                                      
REMARK 900 RELATED ID: GDL009   RELATED DB: NDB                                 
REMARK 900 DNA COMPONENT.                                                       
REMARK 900 RELATED ID: 2DBE   RELATED DB: PDB                                   
REMARK 900 DNA COMPONENT.                                                       
REMARK 900 RELATED ID: DD0069   RELATED DB: NDB                                 
REMARK 900 RELATED ID: 1VZK   RELATED DB: PDB                                   
REMARK 900 RELATED ID: 2B0K   RELATED DB: PDB                                   
REMARK 900 RELATED ID: 2B2B   RELATED DB: PDB                                   
DBREF  2B3E A    1    12  PDB    2B3E     2B3E             1     12             
DBREF  2B3E B   13    24  PDB    2B3E     2B3E            13     24             
SEQRES   1 A   12   DC  DG  DC  DG  DA  DA  DT  DT  DC  DG  DC  DG              
SEQRES   1 B   12   DC  DG  DC  DG  DA  DA  DT  DT  DC  DG  DC  DG              
HET     MG  A  26       1                                                       
HET    DBN  A  25      30                                                       
HETNAM      MG MAGNESIUM ION                                                    
HETNAM     DBN 6-(4,5-DIHYDRO-1H-IMIDAZOL-2-YL)-2-{5-[4-(4,5-DIHYDRO-           
HETNAM   2 DBN  1H-IMIDAZOL-2-YL)PHENYL]THIEN-2-YL}-1H-BENZIMIDAZOLE            
HETSYN     DBN DB819                                                            
FORMUL   3   MG    MG 2+                                                        
FORMUL   4  DBN    C23 H20 N6 S                                                 
FORMUL   5  HOH   *107(H2 O)                                                    
LINK        MG    MG A  26                 O   HOH A 129     1555   1555  2.13  
LINK        MG    MG A  26                 O   HOH A 130     1555   1555  2.11  
LINK        MG    MG A  26                 O   HOH A 132     1555   1555  2.12  
LINK        MG    MG A  26                 O   HOH A 133     1555   1555  2.13  
LINK        MG    MG A  26                 O   HOH B 128     1555   1555  2.11  
LINK        MG    MG A  26                 O   HOH B 131     1555   1555  2.11  
SITE     1 AC1  6 HOH A 129  HOH A 130  HOH A 132  HOH A 133                    
SITE     2 AC1  6 HOH B 128  HOH B 131                                          
SITE     1 AC2 12  DA A   6   DT A   7   DT A   8   DC A   9                    
SITE     2 AC2 12 HOH A  43  HOH A  80  HOH A  95   DA B  18                    
SITE     3 AC2 12  DT B  19   DT B  20   DC B  21  HOH B  79                    
CRYST1   24.196   39.960   65.525  90.00  90.00  90.00 P 21 21 21    8          
ORIGX1      1.000000  0.000000  0.000000        0.00000                         
ORIGX2      0.000000  1.000000  0.000000        0.00000                         
ORIGX3      0.000000  0.000000  1.000000        0.00000                         
SCALE1      0.041329  0.000000  0.000000        0.00000                         
SCALE2      0.000000  0.025025  0.000000        0.00000                         
SCALE3      0.000000  0.000000  0.015261        0.00000