PDB Short entry for 431D
HEADER    DNA                                     09-OCT-98   431D              
TITLE     5'-D(*GP*GP*CP*CP*AP*AP*TP*TP*GP*G)-3'                                
COMPND    MOL_ID: 1;                                                            
COMPND   2 MOLECULE: DNA (5'-D(*GP*GP*CP*CP*AP*AP*TP*TP*GP*G)-3');              
COMPND   3 CHAIN: A, B;                                                         
COMPND   4 ENGINEERED: YES                                                      
SOURCE    MOL_ID: 1;                                                            
SOURCE   2 SYNTHETIC: YES                                                       
KEYWDS    DEOXYRIBONUCLEIC ACID, EXTENDED HYDRATION SPINE, TRIPLET              
KEYWDS   2 FORMATION, ATOMIC RESOLUTION, DOUBLE BACKBONE CONFORMATION,          
KEYWDS   3 DNA                                                                  
EXPDTA    X-RAY DIFFRACTION                                                     
AUTHOR    D.VLIEGHE,J.P.TURKENBURG,L.VAN MEERVELT                               
REVDAT   3   25-AUG-09 431D    1       SOURCE                                   
REVDAT   2   24-FEB-09 431D    1       VERSN                                    
REVDAT   1   15-SEP-99 431D    0                                                
JRNL        AUTH   D.VLIEGHE,J.P.TURKENBURG,L.VAN MEERVELT                      
JRNL        TITL   B-DNA AT ATOMIC RESOLUTION REVEALS EXTENDED                  
JRNL        TITL 2 HYDRATION PATTERNS.                                          
JRNL        REF    ACTA CRYSTALLOGR.,SECT.D      V.  55  1495 1999              
JRNL        REFN                   ISSN 0907-4449                               
JRNL        PMID   10489444                                                     
JRNL        DOI    10.1107/S0907444999007933                                    
REMARK   1                                                                      
REMARK   1 REFERENCE 1                                                          
REMARK   1  AUTH   D.VLIEGHE,L.VAN MEERVELT,A.DAUTANT,B.GALLOIS,                
REMARK   1  AUTH 2 G.PRECIGOUX,O.KENNARD                                        
REMARK   1  TITL   PARALLEL AND ANTIPARALLEL (G-GC)2 TRIPLE HELIX               
REMARK   1  TITL 2 FRAGMENTS IN A CRYSTAL STRUCTURE                             
REMARK   1  REF    SCIENCE                       V. 273  1702 1996              
REMARK   1  REFN                   ISSN 0036-8075                               
REMARK   2                                                                      
REMARK   2 RESOLUTION.    1.15 ANGSTROMS.                                       
REMARK   3                                                                      
REMARK   3 REFINEMENT.                                                          
REMARK   3   PROGRAM     : SHELXL-93                                            
REMARK   3   AUTHORS     : G.M.SHELDRICK                                        
REMARK   3                                                                      
REMARK   3  DATA USED IN REFINEMENT.                                            
REMARK   3   RESOLUTION RANGE HIGH (ANGSTROMS) : 1.15                           
REMARK   3   RESOLUTION RANGE LOW  (ANGSTROMS) : 10.00                          
REMARK   3   DATA CUTOFF            (SIGMA(F)) : NULL                           
REMARK   3   COMPLETENESS FOR RANGE        (%) : 96.0                           
REMARK   3   CROSS-VALIDATION METHOD           : NONE                           
REMARK   3   FREE R VALUE TEST SET SELECTION   : NULL                           
REMARK   3                                                                      
REMARK   3  FIT TO DATA USED IN REFINEMENT (NO CUTOFF).                         
REMARK   3   R VALUE   (WORKING + TEST SET, NO CUTOFF) : 0.172                  
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) : 17700                  
REMARK   3                                                                      
REMARK   3  FIT/AGREEMENT OF MODEL FOR DATA WITH F>4SIG(F).                     
REMARK   3   R VALUE   (WORKING + TEST SET, F>4SIG(F)) : 0.167                  
REMARK   3   R VALUE          (WORKING SET, F>4SIG(F)) : NULL                   
REMARK   3   FREE R VALUE                  (F>4SIG(F)) : NULL                   
REMARK   3   FREE R VALUE TEST SET SIZE (%, F>4SIG(F)) : NULL                   
REMARK   3   FREE R VALUE TEST SET COUNT   (F>4SIG(F)) : NULL                   
REMARK   3   TOTAL NUMBER OF REFLECTIONS   (F>4SIG(F)) : 16727                  
REMARK   3                                                                      
REMARK   3  NUMBER OF NON-HYDROGEN ATOMS USED IN REFINEMENT.                    
REMARK   3   PROTEIN ATOMS      : 0                                             
REMARK   3   NUCLEIC ACID ATOMS : 416                                           
REMARK   3   HETEROGEN ATOMS    : 2                                             
REMARK   3   SOLVENT ATOMS      : 116                                           
REMARK   3                                                                      
REMARK   3  MODEL REFINEMENT.                                                   
REMARK   3   OCCUPANCY SUM OF NON-HYDROGEN ATOMS      : 208.00                  
REMARK   3   OCCUPANCY SUM OF HYDROGEN ATOMS          : 527.61                  
REMARK   3   NUMBER OF DISCRETELY DISORDERED RESIDUES : 2                       
REMARK   3   NUMBER OF LEAST-SQUARES PARAMETERS       : 4811                    
REMARK   3   NUMBER OF RESTRAINTS                     : 12226                   
REMARK   3                                                                      
REMARK   3  RMS DEVIATIONS FROM RESTRAINT TARGET VALUES.                        
REMARK   3   BOND LENGTHS                         (A) : 0.017                   
REMARK   3   ANGLE DISTANCES                      (A) : NULL                    
REMARK   3   SIMILAR DISTANCES (NO TARGET VALUES) (A) : 0.052                   
REMARK   3   DISTANCES FROM RESTRAINT PLANES      (A) : 0.015                   
REMARK   3   ZERO CHIRAL VOLUMES               (A**3) : NULL                    
REMARK   3   NON-ZERO CHIRAL VOLUMES           (A**3) : 0.155                   
REMARK   3   ANTI-BUMPING DISTANCE RESTRAINTS     (A) : 0.042                   
REMARK   3   RIGID-BOND ADP COMPONENTS         (A**2) : 0.004                   
REMARK   3   SIMILAR ADP COMPONENTS            (A**2) : 0.025                   
REMARK   3   APPROXIMATELY ISOTROPIC ADPS      (A**2) : 0.067                   
REMARK   3                                                                      
REMARK   3  BULK SOLVENT MODELING.                                              
REMARK   3   METHOD USED: MOEWS & KRETSINGER,J.MOL.BIOL.91(1973)201-222.        
REMARK   3                                                                      
REMARK   3  STEREOCHEMISTRY TARGET VALUES : DISTANCES AND ANGLES WITHIN         
REMARK   3                                  THE BASES WERE RESTRAINED TO        
REMARK   3                                  TARGET VALUES (TAYLOR AND           
REMARK   3                                  KENNARD).                           
REMARK   3   SPECIAL CASE: ALL OTHER CHEMICALLY EQUIVALENT BOND DISTANCES       
REMARK   3                 AND ANGLES WERE RESTRAINED TO BE SIMILAR BY SAME     
REMARK   3                 DISTANCE RESTRAINTS.                                 
REMARK   3                                                                      
REMARK   3  OTHER REFINEMENT REMARKS: SIGMAS USED BOND LENGTHS (TARGET +        
REMARK   3  SIMILAR) 0.03; ANGLE DISTANCES (TARGET + SIMILAR) 0.05; PLANE       
REMARK   3  RESTRAINT FOR BASES 0.02; CHIRAL VOLUME RESTRAINT (A**3) 0.2;       
REMARK   3  ANTI-BUMPING RESTRAINT FOR SOLVENT MOLECULES 0.03; ISOR             
REMARK   3  RESTRAINT FOR 28 SOLVENTS 0.1, FOR 15 SOLVENTS AND 21 DNA           
REMARK   3  ATOMS 0.05, FOR 3 SOLVENTS 0.025; RIGID- BOND ADP COMPONENTS        
REMARK   3  0.010; SIMILAR ADP COMPONENTS 0.062                                 
REMARK   4                                                                      
REMARK   4 431D COMPLIES WITH FORMAT V. 3.15, 01-DEC-08                         
REMARK 100                                                                      
REMARK 100 THIS ENTRY HAS BEEN PROCESSED BY BNL.                                
REMARK 200                                                                      
REMARK 200 EXPERIMENTAL DETAILS                                                 
REMARK 200  EXPERIMENT TYPE                : X-RAY DIFFRACTION                  
REMARK 200  DATE OF DATA COLLECTION        : 23-MAY-96                          
REMARK 200  TEMPERATURE           (KELVIN) : 120.0                              
REMARK 200  PH                             : 6.0                                
REMARK 200  NUMBER OF CRYSTALS USED        : 1                                  
REMARK 200                                                                      
REMARK 200  SYNCHROTRON              (Y/N) : Y                                  
REMARK 200  RADIATION SOURCE               : ELETTRA                            
REMARK 200  BEAMLINE                       : 5.2R                               
REMARK 200  X-RAY GENERATOR MODEL          : NULL                               
REMARK 200  MONOCHROMATIC OR LAUE    (M/L) : M                                  
REMARK 200  WAVELENGTH OR RANGE        (A) : NULL                               
REMARK 200  MONOCHROMATOR                  : NULL                               
REMARK 200  OPTICS                         : NULL                               
REMARK 200                                                                      
REMARK 200  DETECTOR TYPE                  : IMAGE PLATE                        
REMARK 200  DETECTOR MANUFACTURER          : MARRESEARCH                        
REMARK 200  INTENSITY-INTEGRATION SOFTWARE : DENZO                              
REMARK 200  DATA SCALING SOFTWARE          : CCP4 (SCALA)                       
REMARK 200                                                                      
REMARK 200  NUMBER OF UNIQUE REFLECTIONS   : 17760                              
REMARK 200  RESOLUTION RANGE HIGH      (A) : 1.150                              
REMARK 200  RESOLUTION RANGE LOW       (A) : 15.000                             
REMARK 200  REJECTION CRITERIA  (SIGMA(I)) : 0.000                              
REMARK 200                                                                      
REMARK 200 OVERALL.                                                             
REMARK 200  COMPLETENESS FOR RANGE     (%) : 96.7                               
REMARK 200  DATA REDUNDANCY                : 3.600                              
REMARK 200  R MERGE                    (I) : 0.05400                            
REMARK 200  R SYM                      (I) : NULL                               
REMARK 200  <I/SIGMA(I)> FOR THE DATA SET  : 25.0000                            
REMARK 200                                                                      
REMARK 200 IN THE HIGHEST RESOLUTION SHELL.                                     
REMARK 200  HIGHEST RESOLUTION SHELL, RANGE HIGH (A) : 1.15                     
REMARK 200  HIGHEST RESOLUTION SHELL, RANGE LOW  (A) : 1.18                     
REMARK 200  COMPLETENESS FOR SHELL     (%) : 94.7                               
REMARK 200  DATA REDUNDANCY IN SHELL       : 3.20                               
REMARK 200  R MERGE FOR SHELL          (I) : 0.15800                            
REMARK 200  R SYM FOR SHELL            (I) : NULL                               
REMARK 200  <I/SIGMA(I)> FOR SHELL         : 11.710                             
REMARK 200                                                                      
REMARK 200 DIFFRACTION PROTOCOL: SINGLE WAVELENGTH                              
REMARK 200 METHOD USED TO DETERMINE THE STRUCTURE: NULL                         
REMARK 200 SOFTWARE USED: NULL                                                  
REMARK 200 STARTING MODEL: UDJ049 USED AS STARTING MODEL FOR REFINEMENT         
REMARK 200                                                                      
REMARK 200 REMARK: NULL                                                         
REMARK 280                                                                      
REMARK 280 CRYSTAL                                                              
REMARK 280 SOLVENT CONTENT, VS   (%): NULL                                      
REMARK 280 MATTHEWS COEFFICIENT, VM (ANGSTROMS**3/DA): NULL                     
REMARK 280                                                                      
REMARK 280 CRYSTALLIZATION CONDITIONS: PH 6.0, VAPOR DIFFUSION, SITTING         
REMARK 280  DROP, TEMPERATURE 289.0K                                            
REMARK 290                                                                      
REMARK 290 CRYSTALLOGRAPHIC SYMMETRY                                            
REMARK 290 SYMMETRY OPERATORS FOR SPACE GROUP: P 21 21 21                       
REMARK 290                                                                      
REMARK 290      SYMOP   SYMMETRY                                                
REMARK 290     NNNMMM   OPERATOR                                                
REMARK 290       1555   X,Y,Z                                                   
REMARK 290       2555   -X+1/2,-Y,Z+1/2                                         
REMARK 290       3555   -X,Y+1/2,-Z+1/2                                         
REMARK 290       4555   X+1/2,-Y+1/2,-Z                                         
REMARK 290                                                                      
REMARK 290     WHERE NNN -> OPERATOR NUMBER                                     
REMARK 290           MMM -> TRANSLATION VECTOR                                  
REMARK 290                                                                      
REMARK 290 CRYSTALLOGRAPHIC SYMMETRY TRANSFORMATIONS                            
REMARK 290 THE FOLLOWING TRANSFORMATIONS OPERATE ON THE ATOM/HETATM             
REMARK 290 RECORDS IN THIS ENTRY TO PRODUCE CRYSTALLOGRAPHICALLY                
REMARK 290 RELATED MOLECULES.                                                   
REMARK 290   SMTRY1   1  1.000000  0.000000  0.000000        0.00000            
REMARK 290   SMTRY2   1  0.000000  1.000000  0.000000        0.00000            
REMARK 290   SMTRY3   1  0.000000  0.000000  1.000000        0.00000            
REMARK 290   SMTRY1   2 -1.000000  0.000000  0.000000       13.05300            
REMARK 290   SMTRY2   2  0.000000 -1.000000  0.000000        0.00000            
REMARK 290   SMTRY3   2  0.000000  0.000000  1.000000       26.27950            
REMARK 290   SMTRY1   3 -1.000000  0.000000  0.000000        0.00000            
REMARK 290   SMTRY2   3  0.000000  1.000000  0.000000       18.22750            
REMARK 290   SMTRY3   3  0.000000  0.000000 -1.000000       26.27950            
REMARK 290   SMTRY1   4  1.000000  0.000000  0.000000       13.05300            
REMARK 290   SMTRY2   4  0.000000 -1.000000  0.000000       18.22750            
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: 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     DT A   7   C2'    DT A   7   C1'    -0.062                       
REMARK 500     DT A   8   O4'    DT A   8   C1'     0.068                       
REMARK 500     DG B  11   C2'    DG B  11   C1'    -0.072                       
REMARK 500     DG B  11   C5     DG B  11   N7     -0.040                       
REMARK 500     DC B  13   C2'    DC B  13   C1'    -0.076                       
REMARK 500     DA B  16   C2'    DA B  16   C1'    -0.070                       
REMARK 500     DA B  16   O4'    DA B  16   C1'     0.066                       
REMARK 500     DG B  19   C2'    DG B  19   C1'    -0.062                       
REMARK 500     DG B  19   O4'    DG B  19   C1'     0.084                       
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     DG A   1   O4' -  C1' -  N9  ANGL. DEV. =  -5.1 DEGREES          
REMARK 500     DC A   3   O4' -  C1' -  C2' ANGL. DEV. =   3.4 DEGREES          
REMARK 500     DC A   3   N1  -  C2  -  O2  ANGL. DEV. =   3.8 DEGREES          
REMARK 500     DC A   4   O4' -  C1' -  N1  ANGL. DEV. =   6.4 DEGREES          
REMARK 500     DA A   5   O4' -  C1' -  N9  ANGL. DEV. =  -6.6 DEGREES          
REMARK 500     DC A   4   C3' -  O3' -  P   ANGL. DEV. =   7.5 DEGREES          
REMARK 500     DA A   6   O4' -  C1' -  N9  ANGL. DEV. =  -5.8 DEGREES          
REMARK 500     DA A   5   C3' -  O3' -  P   ANGL. DEV. =   8.6 DEGREES          
REMARK 500     DT A   7   P   -  O5' -  C5' ANGL. DEV. = -31.1 DEGREES          
REMARK 500     DT A   7   C5' -  C4' -  C3' ANGL. DEV. =   7.3 DEGREES          
REMARK 500     DT A   7   N1  -  C1' -  C2' ANGL. DEV. =   9.3 DEGREES          
REMARK 500     DT A   7   O4' -  C1' -  N1  ANGL. DEV. =  -4.4 DEGREES          
REMARK 500     DT A   8   N1  -  C1' -  C2' ANGL. DEV. =  10.7 DEGREES          
REMARK 500     DT A   8   O4' -  C1' -  N1  ANGL. DEV. =  -6.1 DEGREES          
REMARK 500     DT A   7   C3' -  O3' -  P   ANGL. DEV. =  10.1 DEGREES          
REMARK 500     DG A   9   O4' -  C1' -  N9  ANGL. DEV. =  -5.1 DEGREES          
REMARK 500     DG A  10   C1' -  O4' -  C4' ANGL. DEV. =  -6.6 DEGREES          
REMARK 500     DG A  10   N7  -  C8  -  N9  ANGL. DEV. =  -4.1 DEGREES          
REMARK 500     DC B  13   N1  -  C1' -  C2' ANGL. DEV. =  10.2 DEGREES          
REMARK 500     DC B  14   O4' -  C1' -  N1  ANGL. DEV. =   4.0 DEGREES          
REMARK 500     DA B  15   O4' -  C1' -  N9  ANGL. DEV. =  -5.9 DEGREES          
REMARK 500     DA B  16   O4' -  C4' -  C3' ANGL. DEV. =   4.3 DEGREES          
REMARK 500     DA B  16   C5' -  C4' -  C3' ANGL. DEV. =   8.9 DEGREES          
REMARK 500     DA B  16   N9  -  C1' -  C2' ANGL. DEV. =  17.9 DEGREES          
REMARK 500     DA B  16   O4' -  C1' -  N9  ANGL. DEV. =  -6.6 DEGREES          
REMARK 500     DA B  16   N7  -  C8  -  N9  ANGL. DEV. =   5.0 DEGREES          
REMARK 500     DA B  16   C8  -  N9  -  C4  ANGL. DEV. =  -4.0 DEGREES          
REMARK 500     DT B  17   O5' -  P   -  OP1 ANGL. DEV. =   8.5 DEGREES          
REMARK 500     DT B  17   P   -  O5' -  C5' ANGL. DEV. =  17.5 DEGREES          
REMARK 500     DT B  17   P   -  O5' -  C5' ANGL. DEV. = -22.9 DEGREES          
REMARK 500     DA B  16   C3' -  O3' -  P   ANGL. DEV. =   8.5 DEGREES          
REMARK 500     DT B  18   N1  -  C1' -  C2' ANGL. DEV. =  10.0 DEGREES          
REMARK 500     DT B  18   O4' -  C1' -  N1  ANGL. DEV. =  -4.5 DEGREES          
REMARK 500     DG B  19   N9  -  C1' -  C2' ANGL. DEV. =   8.7 DEGREES          
REMARK 500     DG B  19   O4' -  C1' -  N9  ANGL. DEV. =  -8.1 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 B  21  MG                            
REMARK 620 N RES CSSEQI ATOM                                                    
REMARK 620 1 HOH B  53   O                                                      
REMARK 620 2 HOH B  28   O    88.5                                              
REMARK 620 3 HOH B  55   O    89.6 178.0                                        
REMARK 620 4 HOH B  56   O    93.0  87.0  93.6                                  
REMARK 620 5 HOH B  60   O   177.6  93.3  88.6  88.8                            
REMARK 620 6 HOH B  58   O    89.5  88.5  91.0 174.8  88.9                      
REMARK 620 N                    1     2     3     4     5                       
REMARK 620                                                                      
REMARK 620 COORDINATION ANGLES FOR:  M RES CSSEQI METAL                         
REMARK 620                              MG B  22  MG                            
REMARK 620 N RES CSSEQI ATOM                                                    
REMARK 620 1 HOH B  59   O                                                      
REMARK 620 2 HOH B  63   O    85.7                                              
REMARK 620 3 HOH B  62   O    97.2  92.1                                        
REMARK 620 4 HOH B  57   O   174.6  90.6  86.9                                  
REMARK 620 5 HOH B  61   O    81.2  86.7 178.1  94.6                            
REMARK 620 6 HOH B  54   O    92.0 173.0  81.6  92.1  99.5                      
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 B 21                   
REMARK 800 SITE_IDENTIFIER: AC2                                                 
REMARK 800 EVIDENCE_CODE: SOFTWARE                                              
REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE MG B 22                   
DBREF  431D A    1    10  PDB    431D     431D             1     10             
DBREF  431D B   11    20  PDB    431D     431D            11     20             
SEQRES   1 A   10   DG  DG  DC  DC  DA  DA  DT  DT  DG  DG                      
SEQRES   1 B   10   DG  DG  DC  DC  DA  DA  DT  DT  DG  DG                      
HET     MG  B  21       1                                                       
HET     MG  B  22       1                                                       
HETNAM      MG MAGNESIUM ION                                                    
FORMUL   3   MG    2(MG 2+)                                                     
FORMUL   5  HOH   *116(H2 O)                                                    
LINK        MG    MG B  21                 O   HOH B  53     1555   1555  2.02  
LINK        MG    MG B  21                 O   HOH B  28     1555   1555  2.04  
LINK        MG    MG B  21                 O   HOH B  55     1555   1555  2.06  
LINK        MG    MG B  21                 O   HOH B  56     1555   1555  2.01  
LINK        MG    MG B  21                 O   HOH B  60     1555   1555  2.05  
LINK        MG    MG B  21                 O   HOH B  58     1555   1555  2.13  
LINK        MG    MG B  22                 O   HOH B  59     1555   1555  2.00  
LINK        MG    MG B  22                 O   HOH B  63     1555   1555  2.21  
LINK        MG    MG B  22                 O   HOH B  62     1555   1555  2.07  
LINK        MG    MG B  22                 O   HOH B  57     1555   1555  2.11  
LINK        MG    MG B  22                 O   HOH B  61     1555   1555  2.28  
LINK        MG    MG B  22                 O   HOH B  54     1555   1555  2.03  
SITE     1 AC1  6 HOH B  28  HOH B  53  HOH B  55  HOH B  56                    
SITE     2 AC1  6 HOH B  58  HOH B  60                                          
SITE     1 AC2  6 HOH B  54  HOH B  57  HOH B  59  HOH B  61                    
SITE     2 AC2  6 HOH B  62  HOH B  63                                          
CRYST1   26.106   36.455   52.559  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      0.038305  0.000000  0.000000        0.00000                         
SCALE2      0.000000  0.027431  0.000000        0.00000                         
SCALE3      0.000000  0.000000  0.019026        0.00000