PDB Short entry for 1RQY
HEADER    DNA                                     07-DEC-03   1RQY              
TITLE     9-AMINO-[N-(2-DIMETHYLAMINO)PROPLY]-ACRIDINE-4-CARBOXAMIDE BOUND TO   
TITLE    2 D(CGTACG)2                                                           
COMPND    MOL_ID: 1;                                                            
COMPND   2 MOLECULE: 5'-D(CP*GP*TP*AP*CP*G)-3';                                 
COMPND   3 CHAIN: A, B;                                                         
COMPND   4 ENGINEERED: YES                                                      
SOURCE    MOL_ID: 1;                                                            
SOURCE   2 SYNTHETIC: YES                                                       
KEYWDS    B-DNA, CYTOSINE EXCHANGE, QUADRUPLEX, ACRIDINE, UNUSUAL               
KEYWDS   2 INTERCALATION, DNA                                                   
EXPDTA    X-RAY DIFFRACTION                                                     
AUTHOR    A.ADAMS,J.M.GUSS,W.A.DENNY,L.P.WAKELIN                                
REVDAT   3   23-AUG-23 1RQY    1       REMARK LINK                              
REVDAT   2   24-FEB-09 1RQY    1       VERSN                                    
REVDAT   1   11-MAY-04 1RQY    0                                                
JRNL        AUTH   A.ADAMS,J.M.GUSS,W.A.DENNY,L.P.WAKELIN                       
JRNL        TITL   STRUCTURE OF                                                 
JRNL        TITL 2 9-AMINO-[N-(2-DIMETHYLAMINO)PROPYL]ACRIDINE-4-CARBOXAMIDE    
JRNL        TITL 3 BOUND TO D(CGTACG)(2): A COMPARISON OF STRUCTURES OF         
JRNL        TITL 4 D(CGTACG)(2) COMPLEXED WITH INTERCALATORSIN THE PRESENCE OF  
JRNL        TITL 5 COBALT.                                                      
JRNL        REF    ACTA CRYSTALLOGR.,SECT.D      V.  60   823 2004              
JRNL        REFN                   ISSN 0907-4449                               
JRNL        PMID   15103127                                                     
JRNL        DOI    10.1107/S0907444904003907                                    
REMARK   2                                                                      
REMARK   2 RESOLUTION.    1.55 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) : 1.55                           
REMARK   3   RESOLUTION RANGE LOW  (ANGSTROMS) : 40.00                          
REMARK   3   DATA CUTOFF            (SIGMA(F)) : 0.000                          
REMARK   3   COMPLETENESS FOR RANGE        (%) : 95.5                           
REMARK   3   CROSS-VALIDATION METHOD           : FREE R                         
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) : 0.229                  
REMARK   3   R VALUE          (WORKING SET, NO CUTOFF) : 0.227                  
REMARK   3   FREE R VALUE                  (NO CUTOFF) : 0.286                  
REMARK   3   FREE R VALUE TEST SET SIZE (%, NO CUTOFF) : 7.900                  
REMARK   3   FREE R VALUE TEST SET COUNT   (NO CUTOFF) : 362                    
REMARK   3   TOTAL NUMBER OF REFLECTIONS   (NO CUTOFF) : 4608                   
REMARK   3                                                                      
REMARK   3  FIT/AGREEMENT OF MODEL FOR DATA WITH F>4SIG(F).                     
REMARK   3   R VALUE   (WORKING + TEST SET, F>4SIG(F)) : 0.222                  
REMARK   3   R VALUE          (WORKING SET, F>4SIG(F)) : 0.219                  
REMARK   3   FREE R VALUE                  (F>4SIG(F)) : 0.276                  
REMARK   3   FREE R VALUE TEST SET SIZE (%, F>4SIG(F)) : 7.800                  
REMARK   3   FREE R VALUE TEST SET COUNT   (F>4SIG(F)) : 324                    
REMARK   3   TOTAL NUMBER OF REFLECTIONS   (F>4SIG(F)) : 4147                   
REMARK   3                                                                      
REMARK   3  NUMBER OF NON-HYDROGEN ATOMS USED IN REFINEMENT.                    
REMARK   3   PROTEIN ATOMS      : 0                                             
REMARK   3   NUCLEIC ACID ATOMS : 224                                           
REMARK   3   HETEROGEN ATOMS    : 49                                            
REMARK   3   SOLVENT ATOMS      : 30                                            
REMARK   3                                                                      
REMARK   3  MODEL REFINEMENT.                                                   
REMARK   3   OCCUPANCY SUM OF NON-HYDROGEN ATOMS      : 269.25                  
REMARK   3   OCCUPANCY SUM OF HYDROGEN ATOMS          : 0.00                    
REMARK   3   NUMBER OF DISCRETELY DISORDERED RESIDUES : 3                       
REMARK   3   NUMBER OF LEAST-SQUARES PARAMETERS       : 1235                    
REMARK   3   NUMBER OF RESTRAINTS                     : 2833                    
REMARK   3                                                                      
REMARK   3  RMS DEVIATIONS FROM RESTRAINT TARGET VALUES.                        
REMARK   3   BOND LENGTHS                         (A) : 0.007                   
REMARK   3   ANGLE DISTANCES                      (A) : 0.017                   
REMARK   3   SIMILAR DISTANCES (NO TARGET VALUES) (A) : 0.030                   
REMARK   3   DISTANCES FROM RESTRAINT PLANES      (A) : 0.009                   
REMARK   3   ZERO CHIRAL VOLUMES               (A**3) : 0.000                   
REMARK   3   NON-ZERO CHIRAL VOLUMES           (A**3) : 0.008                   
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) : 0.088                   
REMARK   3   APPROXIMATELY ISOTROPIC ADPS      (A**2) : 0.000                   
REMARK   3                                                                      
REMARK   3  BULK SOLVENT MODELING.                                              
REMARK   3   METHOD USED: NULL                                                  
REMARK   3                                                                      
REMARK   3  STEREOCHEMISTRY TARGET VALUES : ENGH AND HUBER                      
REMARK   3   SPECIAL CASE: NULL                                                 
REMARK   3                                                                      
REMARK   3  OTHER REFINEMENT REMARKS: ANISOTROPIC SCALING APPLIED BY THE        
REMARK   3  METHOD OF PARKIN, MOEZZI & HOPE, J.APPL.CRYST.28(1995)53-56         
REMARK   4                                                                      
REMARK   4 1RQY COMPLIES WITH FORMAT V. 3.30, 13-JUL-11                         
REMARK 100                                                                      
REMARK 100 THIS ENTRY HAS BEEN PROCESSED BY RCSB ON 16-DEC-03.                  
REMARK 100 THE DEPOSITION ID IS D_1000020972.                                   
REMARK 200                                                                      
REMARK 200 EXPERIMENTAL DETAILS                                                 
REMARK 200  EXPERIMENT TYPE                : X-RAY DIFFRACTION                  
REMARK 200  DATE OF DATA COLLECTION        : 18-MAR-98                          
REMARK 200  TEMPERATURE           (KELVIN) : 110                                
REMARK 200  PH                             : 6.5                                
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) : 1.5418                             
REMARK 200  MONOCHROMATOR                  : OSMIC MIRRORS                      
REMARK 200  OPTICS                         : FOCUSING MIRROR OPTICS             
REMARK 200                                                                      
REMARK 200  DETECTOR TYPE                  : AREA DETECTOR                      
REMARK 200  DETECTOR MANUFACTURER          : MARRESEARCH                        
REMARK 200  INTENSITY-INTEGRATION SOFTWARE : DENZO                              
REMARK 200  DATA SCALING SOFTWARE          : SCALEPACK                          
REMARK 200                                                                      
REMARK 200  NUMBER OF UNIQUE REFLECTIONS   : 4786                               
REMARK 200  RESOLUTION RANGE HIGH      (A) : 1.550                              
REMARK 200  RESOLUTION RANGE LOW       (A) : 40.000                             
REMARK 200  REJECTION CRITERIA  (SIGMA(I)) : 0.000                              
REMARK 200                                                                      
REMARK 200 OVERALL.                                                             
REMARK 200  COMPLETENESS FOR RANGE     (%) : 97.6                               
REMARK 200  DATA REDUNDANCY                : 9.800                              
REMARK 200  R MERGE                    (I) : NULL                               
REMARK 200  R SYM                      (I) : 0.07700                            
REMARK 200  <I/SIGMA(I)> FOR THE DATA SET  : 12.0000                            
REMARK 200                                                                      
REMARK 200 IN THE HIGHEST RESOLUTION SHELL.                                     
REMARK 200  HIGHEST RESOLUTION SHELL, RANGE HIGH (A) : 1.55                     
REMARK 200  HIGHEST RESOLUTION SHELL, RANGE LOW  (A) : 1.61                     
REMARK 200  COMPLETENESS FOR SHELL     (%) : 81.7                               
REMARK 200  DATA REDUNDANCY IN SHELL       : 3.80                               
REMARK 200  R MERGE FOR SHELL          (I) : NULL                               
REMARK 200  R SYM FOR SHELL            (I) : 0.26000                            
REMARK 200  <I/SIGMA(I)> FOR SHELL         : 3.800                              
REMARK 200                                                                      
REMARK 200 DIFFRACTION PROTOCOL: SINGLE WAVELENGTH                              
REMARK 200 METHOD USED TO DETERMINE THE STRUCTURE: REFINEMENT                   
REMARK 200 SOFTWARE USED: SHELX                                                 
REMARK 200 STARTING MODEL: PDB ENTRY 1FN1                                       
REMARK 200                                                                      
REMARK 200 REMARK: NULL                                                         
REMARK 280                                                                      
REMARK 280 CRYSTAL                                                              
REMARK 280 SOLVENT CONTENT, VS   (%): 37.91                                     
REMARK 280 MATTHEWS COEFFICIENT, VM (ANGSTROMS**3/DA): 2.00                     
REMARK 280                                                                      
REMARK 280 CRYSTALLIZATION CONDITIONS: SODIUM CACODYLATE, MAGNESIUM ACETATE,    
REMARK 280  COBALT CHLORIDE, SPERMINE, MPD, PH 6.5, VAPOR DIFFUSION, SITTING    
REMARK 280  DROP, TEMPERATURE 285K                                              
REMARK 290                                                                      
REMARK 290 CRYSTALLOGRAPHIC SYMMETRY                                            
REMARK 290 SYMMETRY OPERATORS FOR SPACE GROUP: C 2 2 2                          
REMARK 290                                                                      
REMARK 290      SYMOP   SYMMETRY                                                
REMARK 290     NNNMMM   OPERATOR                                                
REMARK 290       1555   X,Y,Z                                                   
REMARK 290       2555   -X,-Y,Z                                                 
REMARK 290       3555   -X,Y,-Z                                                 
REMARK 290       4555   X,-Y,-Z                                                 
REMARK 290       5555   X+1/2,Y+1/2,Z                                           
REMARK 290       6555   -X+1/2,-Y+1/2,Z                                         
REMARK 290       7555   -X+1/2,Y+1/2,-Z                                         
REMARK 290       8555   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        0.00000            
REMARK 290   SMTRY2   2  0.000000 -1.000000  0.000000        0.00000            
REMARK 290   SMTRY3   2  0.000000  0.000000  1.000000        0.00000            
REMARK 290   SMTRY1   3 -1.000000  0.000000  0.000000        0.00000            
REMARK 290   SMTRY2   3  0.000000  1.000000  0.000000        0.00000            
REMARK 290   SMTRY3   3  0.000000  0.000000 -1.000000        0.00000            
REMARK 290   SMTRY1   4  1.000000  0.000000  0.000000        0.00000            
REMARK 290   SMTRY2   4  0.000000 -1.000000  0.000000        0.00000            
REMARK 290   SMTRY3   4  0.000000  0.000000 -1.000000        0.00000            
REMARK 290   SMTRY1   5  1.000000  0.000000  0.000000       14.37250            
REMARK 290   SMTRY2   5  0.000000  1.000000  0.000000       26.06200            
REMARK 290   SMTRY3   5  0.000000  0.000000  1.000000        0.00000            
REMARK 290   SMTRY1   6 -1.000000  0.000000  0.000000       14.37250            
REMARK 290   SMTRY2   6  0.000000 -1.000000  0.000000       26.06200            
REMARK 290   SMTRY3   6  0.000000  0.000000  1.000000        0.00000            
REMARK 290   SMTRY1   7 -1.000000  0.000000  0.000000       14.37250            
REMARK 290   SMTRY2   7  0.000000  1.000000  0.000000       26.06200            
REMARK 290   SMTRY3   7  0.000000  0.000000 -1.000000        0.00000            
REMARK 290   SMTRY1   8  1.000000  0.000000  0.000000       14.37250            
REMARK 290   SMTRY2   8  0.000000 -1.000000  0.000000       26.06200            
REMARK 290   SMTRY3   8  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 375                                                                      
REMARK 375 SPECIAL POSITION                                                     
REMARK 375 THE FOLLOWING ATOMS ARE FOUND TO BE WITHIN 0.15 ANGSTROMS            
REMARK 375 OF A SYMMETRY RELATED ATOM AND ARE ASSUMED TO BE ON SPECIAL          
REMARK 375 POSITIONS.                                                           
REMARK 375                                                                      
REMARK 375 ATOM RES CSSEQI                                                      
REMARK 375 CO    CO B 901  LIES ON A SPECIAL POSITION.                          
REMARK 375 MG    MG B 903  LIES ON A SPECIAL POSITION.                          
REMARK 375      HOH B 905  LIES ON A SPECIAL POSITION.                          
REMARK 375      HOH B 926  LIES ON A SPECIAL POSITION.                          
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      DC A     0                                                      
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. =  -5.3 DEGREES          
REMARK 500     DG A   1   C5  -  C6  -  O6  ANGL. DEV. =  -3.7 DEGREES          
REMARK 500     DT A   2   OP1 -  P   -  OP2 ANGL. DEV. =   9.4 DEGREES          
REMARK 500     DT A   2   O4' -  C1' -  N1  ANGL. DEV. =  -6.5 DEGREES          
REMARK 500     DT A   2   C3' -  O3' -  P   ANGL. DEV. =  11.7 DEGREES          
REMARK 500     DA A   3   O5' -  C5' -  C4' ANGL. DEV. =  -5.0 DEGREES          
REMARK 500     DC A   4   OP1 -  P   -  OP2 ANGL. DEV. =  10.2 DEGREES          
REMARK 500     DC A   4   O5' -  C5' -  C4' ANGL. DEV. =  -8.8 DEGREES          
REMARK 500     DG A   5   OP1 -  P   -  OP2 ANGL. DEV. =   9.9 DEGREES          
REMARK 500     DG A   5   O5' -  C5' -  C4' ANGL. DEV. =  -7.0 DEGREES          
REMARK 500     DC B   1   N1  -  C1' -  C2' ANGL. DEV. =   9.0 DEGREES          
REMARK 500     DC B   1   O4' -  C1' -  N1  ANGL. DEV. =  -5.5 DEGREES          
REMARK 500     DG B   2   O5' -  C5' -  C4' ANGL. DEV. =  -7.0 DEGREES          
REMARK 500     DG B   2   O4' -  C1' -  N9  ANGL. DEV. =   2.8 DEGREES          
REMARK 500     DG B   2   N9  -  C4  -  C5  ANGL. DEV. =   2.4 DEGREES          
REMARK 500     DG B   2   N1  -  C6  -  O6  ANGL. DEV. =  -5.3 DEGREES          
REMARK 500     DG B   2   C5  -  C6  -  O6  ANGL. DEV. =   5.0 DEGREES          
REMARK 500     DT B   3   OP1 -  P   -  OP2 ANGL. DEV. =  13.3 DEGREES          
REMARK 500     DA B   4   OP1 -  P   -  OP2 ANGL. DEV. =   9.4 DEGREES          
REMARK 500     DC B   5   OP1 -  P   -  OP2 ANGL. DEV. =  14.2 DEGREES          
REMARK 500     DC B   5   C3' -  C2' -  C1' ANGL. DEV. =  -4.9 DEGREES          
REMARK 500     DC B   5   N1  -  C2  -  O2  ANGL. DEV. =  -3.8 DEGREES          
REMARK 500     DG B   6   N3  -  C2  -  N2  ANGL. DEV. =   4.8 DEGREES          
REMARK 500                                                                      
REMARK 500 REMARK: NULL                                                         
REMARK 610                                                                      
REMARK 610 MISSING HETEROATOM                                                   
REMARK 610 THE FOLLOWING RESIDUES HAVE MISSING ATOMS (M=MODEL NUMBER;           
REMARK 610 RES=RESIDUE NAME; C=CHAIN IDENTIFIER; SSEQ=SEQUENCE NUMBER;          
REMARK 610 I=INSERTION CODE):                                                   
REMARK 610   M RES C SSEQI                                                      
REMARK 610     7AD A  101                                                       
REMARK 610     7AD A  601                                                       
REMARK 610     7AD B  401                                                       
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                              CO A 902  CO                            
REMARK 620 N RES CSSEQI ATOM                                                    
REMARK 620 1  DG A   1   N7                                                     
REMARK 620 2 HOH A 909   O    86.4                                              
REMARK 620 3 HOH A 920   O    88.5  88.4                                        
REMARK 620 4 HOH A 921   O    93.0 174.6  96.9                                  
REMARK 620 5 HOH A 922   O   176.1  89.7  91.0  90.9                            
REMARK 620 6 HOH A 923   O    86.5  90.6 174.9  84.1  94.0                      
REMARK 620 N                    1     2     3     4     5                       
REMARK 620                                                                      
REMARK 620 COORDINATION ANGLES FOR:  M RES CSSEQI METAL                         
REMARK 620                              MG B 903  MG                            
REMARK 620 N RES CSSEQI ATOM                                                    
REMARK 620 1  DG B   2   OP2                                                    
REMARK 620 2  DG B   2   OP2 158.9                                              
REMARK 620 3  DG B   2   OP2 100.5 100.3                                        
REMARK 620 4  DG B   2   OP2 100.3  59.0 158.9                                  
REMARK 620 5 HOH B 926   O   102.6  77.2  98.2  74.4                            
REMARK 620 6 HOH B 926   O    98.2  74.4 102.6  77.2 147.3                      
REMARK 620 7 HOH B 926   O    98.2  74.4 102.6  77.2 147.3   0.0                
REMARK 620 8 HOH B 926   O   102.6  77.2  98.2  74.4   0.0 147.3 147.3          
REMARK 620 N                    1     2     3     4     5     6     7           
REMARK 620                                                                      
REMARK 620 COORDINATION ANGLES FOR:  M RES CSSEQI METAL                         
REMARK 620                              CO B 901  CO                            
REMARK 620 N RES CSSEQI ATOM                                                    
REMARK 620 1  DG B   6   N7                                                     
REMARK 620 2  DG B   6   N7  179.6                                              
REMARK 620 3 HOH B 911   O    89.3  90.4                                        
REMARK 620 4 HOH B 911   O    90.4  89.3  74.4                                  
REMARK 620 5 HOH B 915   O    91.6  88.6  84.2 158.5                            
REMARK 620 6 HOH B 915   O    88.5  91.7 158.5  84.2 117.3                      
REMARK 620 N                    1     2     3     4     5                       
REMARK 620                                                                      
REMARK 620 COORDINATION ANGLES FOR:  M RES CSSEQI METAL                         
REMARK 620                              MG B 904  MG                            
REMARK 620 N RES CSSEQI ATOM                                                    
REMARK 620 1  DG B   6   OP1                                                    
REMARK 620 2  DG B   6   OP1  91.8                                              
REMARK 620 3 HOH B4036   O    56.0 147.6                                        
REMARK 620 N                    1     2                                         
REMARK 800                                                                      
REMARK 800 SITE                                                                 
REMARK 800 SITE_IDENTIFIER: AC1                                                 
REMARK 800 EVIDENCE_CODE: SOFTWARE                                              
REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE CO B 901                  
REMARK 800                                                                      
REMARK 800 SITE_IDENTIFIER: AC2                                                 
REMARK 800 EVIDENCE_CODE: SOFTWARE                                              
REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE CO A 902                  
REMARK 800                                                                      
REMARK 800 SITE_IDENTIFIER: AC3                                                 
REMARK 800 EVIDENCE_CODE: SOFTWARE                                              
REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE MG B 903                  
REMARK 800                                                                      
REMARK 800 SITE_IDENTIFIER: AC4                                                 
REMARK 800 EVIDENCE_CODE: SOFTWARE                                              
REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE MG B 904                  
REMARK 800                                                                      
REMARK 800 SITE_IDENTIFIER: AC5                                                 
REMARK 800 EVIDENCE_CODE: SOFTWARE                                              
REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE 7AD A 101                 
REMARK 800                                                                      
REMARK 800 SITE_IDENTIFIER: AC6                                                 
REMARK 800 EVIDENCE_CODE: SOFTWARE                                              
REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE 7AD B 401                 
REMARK 800                                                                      
REMARK 800 SITE_IDENTIFIER: AC7                                                 
REMARK 800 EVIDENCE_CODE: SOFTWARE                                              
REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE 7AD A 601                 
REMARK 900                                                                      
REMARK 900 RELATED ENTRIES                                                      
REMARK 900 RELATED ID: 1FN1   RELATED DB: PDB                                   
REMARK 900 CRYSTAL STRUCTURE OF 9-AMINO-(N-(2-DIMETHYLAMINO)BUTYL) ACRIDINE-4-  
REMARK 900 CARBOXAMIDE BOUND TO D(CG(5BR)UACG)2                                 
REMARK 900 RELATED ID: 1FN2   RELATED DB: PDB                                   
REMARK 900 9-AMINO-(N-(2-DIMETHYLAMINO)BUTYL)ACRIDINE-4-CARBOXAMIDE BOUND TO    
REMARK 900 D(CGTACG)2                                                           
DBREF  1RQY A    0     5  PDB    1RQY     1RQY             0      5             
DBREF  1RQY B    1     6  PDB    1RQY     1RQY             1      6             
SEQRES   1 A    6   DC  DG  DT  DA  DC  DG                                      
SEQRES   1 B    6   DC  DG  DT  DA  DC  DG                                      
HET     CO  A 902       1                                                       
HET    7AD  A 101      15                                                       
HET    7AD  A 601      15                                                       
HET     CO  B 901       1                                                       
HET     MG  B 903       1                                                       
HET     MG  B 904       1                                                       
HET    7AD  B 401      15                                                       
HETNAM      CO COBALT (II) ION                                                  
HETNAM     7AD 9-AMINO-N-[3-(DIMETHYLAMINO)PROPYL]ACRIDINE-4-                   
HETNAM   2 7AD  CARBOXAMIDE                                                     
HETNAM      MG MAGNESIUM ION                                                    
FORMUL   3   CO    2(CO 2+)                                                     
FORMUL   4  7AD    3(C19 H22 N4 O)                                              
FORMUL   7   MG    2(MG 2+)                                                     
FORMUL  10  HOH   *30(H2 O)                                                     
LINK         N7   DG A   1                CO    CO A 902     1555   1555  2.19  
LINK        CO    CO A 902                 O   HOH A 909     1555   1555  2.22  
LINK        CO    CO A 902                 O   HOH A 920     1555   1555  2.13  
LINK        CO    CO A 902                 O   HOH A 921     1555   1555  2.16  
LINK        CO    CO A 902                 O   HOH A 922     1555   1555  2.14  
LINK        CO    CO A 902                 O   HOH A 923     1555   1555  2.10  
LINK         OP2  DG B   2                MG    MG B 903     1555   1555  1.74  
LINK         OP2  DG B   2                MG    MG B 903     2665   1555  2.71  
LINK         OP2  DG B   2                MG    MG B 903     4565   1555  1.74  
LINK         OP2  DG B   2                MG    MG B 903     3655   1555  2.71  
LINK         N7   DG B   6                CO    CO B 901     1555   1555  2.12  
LINK         N7   DG B   6                CO    CO B 901     3756   1555  2.12  
LINK         OP1  DG B   6                MG    MG B 904     1555   1555  2.39  
LINK         OP1  DG B   6                MG    MG B 904     6655   1555  2.28  
LINK        CO    CO B 901                 O   HOH B 911     1555   1555  2.27  
LINK        CO    CO B 901                 O   HOH B 911     1555   3756  2.27  
LINK        CO    CO B 901                 O   HOH B 915     1555   1555  1.93  
LINK        CO    CO B 901                 O   HOH B 915     1555   3756  1.93  
LINK        MG    MG B 903                 O   HOH B 926     1555   1555  2.22  
LINK        MG    MG B 903                 O   HOH B 926     1555   3655  2.22  
LINK        MG    MG B 903                 O   HOH B 926     1555   4565  2.22  
LINK        MG    MG B 903                 O   HOH B 926     1555   2665  2.22  
LINK        MG    MG B 904                 O   HOH B4036     1555   3756  3.15  
SITE     1 AC1  3  DG B   6  HOH B 911  HOH B 915                               
SITE     1 AC2  6  DG A   1  HOH A 909  HOH A 920  HOH A 921                    
SITE     2 AC2  6 HOH A 922  HOH A 923                                          
SITE     1 AC3  2  DG B   2  HOH B 926                                          
SITE     1 AC4  2  DC B   5   DG B   6                                          
SITE     1 AC5  4  DC A   4   DG A   5   DC B   1   DG B   2                    
SITE     1 AC6  5  DC A   4   DG A   5   DC B   1   DG B   2                    
SITE     2 AC6  5 HOH B 926                                                     
SITE     1 AC7  4  DC A   4   DG A   5   DC B   1   DG B   2                    
CRYST1   28.745   52.124   40.745  90.00  90.00  90.00 C 2 2 2      16          
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      0.034789  0.000000  0.000000        0.00000                         
SCALE2      0.000000  0.019185  0.000000        0.00000                         
SCALE3      0.000000  0.000000  0.024543        0.00000