HEADER    DNA                                     29-SEP-21   7SDF              
TITLE     [C:AG+:S] METAL-MEDIATED DNA BASE PAIR IN A SELF-ASSEMBLING           
TITLE    2 RHOMBOHEDRAL LATTICE                                                 
COMPND    MOL_ID: 1;                                                            
COMPND   2 MOLECULE: DNA (5'-                                                   
COMPND   3 D(*GP*AP*GP*CP*AP*GP*CP*CP*TP*GP*TP*CP*TP*GP*GP*AP*CP*AP*TP*CP*A)-   
COMPND   4 3');                                                                 
COMPND   5 CHAIN: A;                                                            
COMPND   6 ENGINEERED: YES;                                                     
COMPND   7 MOL_ID: 2;                                                           
COMPND   8 MOLECULE: DNA (5'-D(P*CP*CP*AP*(IMC)P*AP*CP*A)-3');                  
COMPND   9 CHAIN: B;                                                            
COMPND  10 ENGINEERED: YES;                                                     
COMPND  11 MOL_ID: 3;                                                           
COMPND  12 MOLECULE: DNA (5'-D(P*GP*GP*CP*TP*GP*CP*T)-3');                      
COMPND  13 CHAIN: C;                                                            
COMPND  14 ENGINEERED: YES;                                                     
COMPND  15 MOL_ID: 4;                                                           
COMPND  16 MOLECULE: DNA (5'-D(P*CP*TP*GP*AP*TP*GP*T)-3');                      
COMPND  17 CHAIN: D;                                                            
COMPND  18 ENGINEERED: YES                                                      
SOURCE    MOL_ID: 1;                                                            
SOURCE   2 SYNTHETIC: YES;                                                      
SOURCE   3 ORGANISM_SCIENTIFIC: SYNTHETIC CONSTRUCT;                            
SOURCE   4 ORGANISM_TAXID: 32630;                                               
SOURCE   5 MOL_ID: 2;                                                           
SOURCE   6 SYNTHETIC: YES;                                                      
SOURCE   7 ORGANISM_SCIENTIFIC: SYNTHETIC CONSTRUCT;                            
SOURCE   8 ORGANISM_TAXID: 32630;                                               
SOURCE   9 MOL_ID: 3;                                                           
SOURCE  10 SYNTHETIC: YES;                                                      
SOURCE  11 ORGANISM_SCIENTIFIC: SYNTHETIC CONSTRUCT;                            
SOURCE  12 ORGANISM_TAXID: 32630;                                               
SOURCE  13 MOL_ID: 4;                                                           
SOURCE  14 SYNTHETIC: YES;                                                      
SOURCE  15 ORGANISM_SCIENTIFIC: SYNTHETIC CONSTRUCT;                            
SOURCE  16 ORGANISM_TAXID: 32630                                                
KEYWDS    TENSEGRITY TRIANGLE, SELF-ASSEMBLING CRYSTAL, METAL-MEDIATED          
KEYWDS   2 MISMATCH, DNA                                                        
EXPDTA    X-RAY DIFFRACTION                                                     
AUTHOR    S.VECCHIONI,B.LU,N.C.SEEMAN,R.SHA,Y.P.OHAYON                          
REVDAT   3   22-MAY-24 7SDF    1       REMARK                                   
REVDAT   2   19-APR-23 7SDF    1       JRNL                                     
REVDAT   1   05-OCT-22 7SDF    0                                                
JRNL        AUTH   S.VECCHIONI,B.LU,W.LIVERNOIS,Y.P.OHAYON,J.B.YODER,C.F.YANG,  
JRNL        AUTH 2 K.WOLOSZYN,W.BERNFELD,M.P.ANANTRAM,J.W.CANARY,               
JRNL        AUTH 3 W.A.HENDRICKSON,L.J.ROTHSCHILD,C.MAO,S.J.WIND,N.C.SEEMAN,    
JRNL        AUTH 4 R.SHA                                                        
JRNL        TITL   METAL-MEDIATED DNA NANOTECHNOLOGY IN 3D: STRUCTURAL LIBRARY  
JRNL        TITL 2 BY TEMPLATED DIFFRACTION.                                    
JRNL        REF    ADV MATER                            01938 2023              
JRNL        REFN                   ISSN 1521-4095                               
JRNL        PMID   36939292                                                     
JRNL        DOI    10.1002/ADMA.202201938                                       
REMARK   2                                                                      
REMARK   2 RESOLUTION.    3.46 ANGSTROMS.                                       
REMARK   3                                                                      
REMARK   3 REFINEMENT.                                                          
REMARK   3   PROGRAM     : PHENIX 1.18.2_3874                                   
REMARK   3   AUTHORS     : PAUL ADAMS,PAVEL AFONINE,VINCENT CHEN,IAN            
REMARK   3               : DAVIS,KRESHNA GOPAL,RALF GROSSE-KUNSTLEVE,           
REMARK   3               : LI-WEI HUNG,ROBERT IMMORMINO,TOM IOERGER,            
REMARK   3               : AIRLIE MCCOY,ERIK MCKEE,NIGEL MORIARTY,              
REMARK   3               : REETAL PAI,RANDY READ,JANE RICHARDSON,               
REMARK   3               : DAVID RICHARDSON,TOD ROMO,JIM SACCHETTINI,           
REMARK   3               : NICHOLAS SAUTER,JACOB SMITH,LAURENT                  
REMARK   3               : STORONI,TOM TERWILLIGER,PETER ZWART                  
REMARK   3                                                                      
REMARK   3    REFINEMENT TARGET : GEOSTD + MONOMER LIBRARY + CDL V1.2           
REMARK   3                                                                      
REMARK   3  DATA USED IN REFINEMENT.                                            
REMARK   3   RESOLUTION RANGE HIGH (ANGSTROMS) : 3.46                           
REMARK   3   RESOLUTION RANGE LOW  (ANGSTROMS) : 32.63                          
REMARK   3   MIN(FOBS/SIGMA_FOBS)              : 1.960                          
REMARK   3   COMPLETENESS FOR RANGE        (%) : 64.3                           
REMARK   3   NUMBER OF REFLECTIONS             : 3259                           
REMARK   3                                                                      
REMARK   3  FIT TO DATA USED IN REFINEMENT.                                     
REMARK   3   R VALUE     (WORKING + TEST SET) : 0.174                           
REMARK   3   R VALUE            (WORKING SET) : 0.172                           
REMARK   3   FREE R VALUE                     : 0.219                           
REMARK   3   FREE R VALUE TEST SET SIZE   (%) : 6.080                           
REMARK   3   FREE R VALUE TEST SET COUNT      : 198                             
REMARK   3                                                                      
REMARK   3  FIT TO DATA USED IN REFINEMENT (IN BINS).                           
REMARK   3   BIN  RESOLUTION RANGE  COMPL.    NWORK NFREE   RWORK  RFREE        
REMARK   3     1 32.6300 -  3.4600    0.64     3061   198  0.1718 0.2185        
REMARK   3                                                                      
REMARK   3  BULK SOLVENT MODELLING.                                             
REMARK   3   METHOD USED        : FLAT BULK SOLVENT MODEL                       
REMARK   3   SOLVENT RADIUS     : 1.11                                          
REMARK   3   SHRINKAGE RADIUS   : 0.90                                          
REMARK   3   K_SOL              : NULL                                          
REMARK   3   B_SOL              : NULL                                          
REMARK   3                                                                      
REMARK   3  ERROR ESTIMATES.                                                    
REMARK   3   COORDINATE ERROR (MAXIMUM-LIKELIHOOD BASED)     : 0.171            
REMARK   3   PHASE ERROR (DEGREES, MAXIMUM-LIKELIHOOD BASED) : 33.991           
REMARK   3                                                                      
REMARK   3  B VALUES.                                                           
REMARK   3   FROM WILSON PLOT           (A**2) : 214.9                          
REMARK   3   MEAN B VALUE      (OVERALL, A**2) : 221.3                          
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  TWINNING INFORMATION.                                               
REMARK   3   FRACTION: NULL                                                     
REMARK   3   OPERATOR: NULL                                                     
REMARK   3                                                                      
REMARK   3  DEVIATIONS FROM IDEAL VALUES.                                       
REMARK   3                 RMSD          COUNT                                  
REMARK   3   BOND      :  0.007            957                                  
REMARK   3   ANGLE     :  0.906           1469                                  
REMARK   3   CHIRALITY :  0.044            166                                  
REMARK   3   PLANARITY :  0.005             42                                  
REMARK   3   DIHEDRAL  : 37.404            403                                  
REMARK   3                                                                      
REMARK   3  TLS DETAILS                                                         
REMARK   3   NUMBER OF TLS GROUPS  : 4                                          
REMARK   3   TLS GROUP : 1                                                      
REMARK   3    SELECTION: (CHAIN 'A' AND RESID 1 THROUGH 21)                     
REMARK   3    ORIGIN FOR THE GROUP (A):  10.2160  11.3965 -23.7089              
REMARK   3    T TENSOR                                                          
REMARK   3      T11:   2.4196 T22:   2.9434                                     
REMARK   3      T33:   2.2827 T12:   0.4585                                     
REMARK   3      T13:   0.4562 T23:  -0.2151                                     
REMARK   3    L TENSOR                                                          
REMARK   3      L11:   2.8353 L22:   3.7137                                     
REMARK   3      L33:  -1.1329 L12:   0.9805                                     
REMARK   3      L13:  -3.0437 L23:   0.7442                                     
REMARK   3    S TENSOR                                                          
REMARK   3      S11:   1.3240 S12:  -0.1207 S13:   0.7392                       
REMARK   3      S21:  -1.0615 S22:  -0.0665 S23:  -1.1993                       
REMARK   3      S31:  -0.4969 S32:  -0.0611 S33:  -0.0073                       
REMARK   3   TLS GROUP : 2                                                      
REMARK   3    SELECTION: (CHAIN 'B' AND RESID 1 THROUGH 7)                      
REMARK   3    ORIGIN FOR THE GROUP (A):   7.3001  12.1536 -22.2693              
REMARK   3    T TENSOR                                                          
REMARK   3      T11:   1.9142 T22:   2.0657                                     
REMARK   3      T33:   1.8142 T12:   0.0756                                     
REMARK   3      T13:   0.5758 T23:  -0.2822                                     
REMARK   3    L TENSOR                                                          
REMARK   3      L11:   2.6591 L22:   0.4451                                     
REMARK   3      L33:  -0.4605 L12:  -0.1933                                     
REMARK   3      L13:   0.3141 L23:   0.3187                                     
REMARK   3    S TENSOR                                                          
REMARK   3      S11:   2.4842 S12:  -0.6025 S13:   3.2506                       
REMARK   3      S21:  -0.1477 S22:  -0.2121 S23:   0.4803                       
REMARK   3      S31:  -0.6605 S32:   0.8729 S33:   0.0201                       
REMARK   3   TLS GROUP : 3                                                      
REMARK   3    SELECTION: (CHAIN 'C' AND RESID 8 THROUGH 14)                     
REMARK   3    ORIGIN FOR THE GROUP (A):  26.0323   4.4247 -35.6169              
REMARK   3    T TENSOR                                                          
REMARK   3      T11:   2.2249 T22:   2.2881                                     
REMARK   3      T33:   2.6464 T12:   0.3079                                     
REMARK   3      T13:   0.8765 T23:  -0.5179                                     
REMARK   3    L TENSOR                                                          
REMARK   3      L11:   0.7908 L22:   2.5031                                     
REMARK   3      L33:   5.1346 L12:   0.3090                                     
REMARK   3      L13:   0.6720 L23:  -3.2189                                     
REMARK   3    S TENSOR                                                          
REMARK   3      S11:   2.7872 S12:   0.1994 S13:   2.6340                       
REMARK   3      S21:  -0.5416 S22:   0.5112 S23:   0.4372                       
REMARK   3      S31:  -0.5422 S32:  -0.8407 S33:   0.7017                       
REMARK   3   TLS GROUP : 4                                                      
REMARK   3    SELECTION: (CHAIN 'D' AND RESID 1 THROUGH 7)                      
REMARK   3    ORIGIN FOR THE GROUP (A): -10.3715  21.2637  -8.5962              
REMARK   3    T TENSOR                                                          
REMARK   3      T11:   2.2187 T22:   3.2150                                     
REMARK   3      T33:   2.3811 T12:   0.4468                                     
REMARK   3      T13:   1.0246 T23:   0.2735                                     
REMARK   3    L TENSOR                                                          
REMARK   3      L11:   0.6007 L22:   3.1976                                     
REMARK   3      L33:   1.3049 L12:  -0.5914                                     
REMARK   3      L13:   0.4771 L23:  -0.8614                                     
REMARK   3    S TENSOR                                                          
REMARK   3      S11:   0.0363 S12:  -3.8247 S13:  -0.1857                       
REMARK   3      S21:   0.7491 S22:  -0.6965 S23:   0.8570                       
REMARK   3      S31:  -0.8198 S32:  -0.2125 S33:   0.5221                       
REMARK   3                                                                      
REMARK   3  NCS DETAILS                                                         
REMARK   3   NUMBER OF NCS GROUPS : NULL                                        
REMARK   3                                                                      
REMARK   3  OTHER REFINEMENT REMARKS: NULL                                      
REMARK   4                                                                      
REMARK   4 7SDF COMPLIES WITH FORMAT V. 3.30, 13-JUL-11                         
REMARK 100                                                                      
REMARK 100 THIS ENTRY HAS BEEN PROCESSED BY RCSB ON 06-OCT-21.                  
REMARK 100 THE DEPOSITION ID IS D_1000259461.                                   
REMARK 200                                                                      
REMARK 200 EXPERIMENTAL DETAILS                                                 
REMARK 200  EXPERIMENT TYPE                : X-RAY DIFFRACTION                  
REMARK 200  DATE OF DATA COLLECTION        : 14-NOV-20                          
REMARK 200  TEMPERATURE           (KELVIN) : 100                                
REMARK 200  PH                             : 7.8                                
REMARK 200  NUMBER OF CRYSTALS USED        : 1                                  
REMARK 200                                                                      
REMARK 200  SYNCHROTRON              (Y/N) : Y                                  
REMARK 200  RADIATION SOURCE               : APS                                
REMARK 200  BEAMLINE                       : 17-ID                              
REMARK 200  X-RAY GENERATOR MODEL          : NULL                               
REMARK 200  MONOCHROMATIC OR LAUE    (M/L) : M                                  
REMARK 200  WAVELENGTH OR RANGE        (A) : 1.00743                            
REMARK 200  MONOCHROMATOR                  : NULL                               
REMARK 200  OPTICS                         : NULL                               
REMARK 200                                                                      
REMARK 200  DETECTOR TYPE                  : PIXEL                              
REMARK 200  DETECTOR MANUFACTURER          : DECTRIS EIGER2 X 9M                
REMARK 200  INTENSITY-INTEGRATION SOFTWARE : AUTOPROC                           
REMARK 200  DATA SCALING SOFTWARE          : STARANISO                          
REMARK 200                                                                      
REMARK 200  NUMBER OF UNIQUE REFLECTIONS   : 3296                               
REMARK 200  RESOLUTION RANGE HIGH      (A) : 3.460                              
REMARK 200  RESOLUTION RANGE LOW       (A) : 65.265                             
REMARK 200  REJECTION CRITERIA  (SIGMA(I)) : NULL                               
REMARK 200                                                                      
REMARK 200 OVERALL.                                                             
REMARK 200  COMPLETENESS FOR RANGE     (%) : 87.0                               
REMARK 200  DATA REDUNDANCY                : 10.70                              
REMARK 200  R MERGE                    (I) : NULL                               
REMARK 200  R SYM                      (I) : NULL                               
REMARK 200  <I/SIGMA(I)> FOR THE DATA SET  : 12.9000                            
REMARK 200                                                                      
REMARK 200 IN THE HIGHEST RESOLUTION SHELL.                                     
REMARK 200  HIGHEST RESOLUTION SHELL, RANGE HIGH (A) : 3.46                     
REMARK 200  HIGHEST RESOLUTION SHELL, RANGE LOW  (A) : 3.79                     
REMARK 200  COMPLETENESS FOR SHELL     (%) : 44.7                               
REMARK 200  DATA REDUNDANCY IN SHELL       : 10.80                              
REMARK 200  R MERGE FOR SHELL          (I) : NULL                               
REMARK 200  R SYM FOR SHELL            (I) : NULL                               
REMARK 200  <I/SIGMA(I)> FOR SHELL         : 1.000                              
REMARK 200                                                                      
REMARK 200 DIFFRACTION PROTOCOL: SINGLE WAVELENGTH                              
REMARK 200 METHOD USED TO DETERMINE THE STRUCTURE: SAD                          
REMARK 200 SOFTWARE USED: AUTOSOL                                               
REMARK 200 STARTING MODEL: NULL                                                 
REMARK 200                                                                      
REMARK 200 REMARK: RHOMBOHEDRAL                                                 
REMARK 280                                                                      
REMARK 280 CRYSTAL                                                              
REMARK 280 SOLVENT CONTENT, VS   (%): NULL                                      
REMARK 280 MATTHEWS COEFFICIENT, VM (ANGSTROMS**3/DA): 8.41                     
REMARK 280                                                                      
REMARK 280 CRYSTALLIZATION CONDITIONS: MOPS, MAGNESIUM SULFATE, SILVER          
REMARK 280  NITRATE, PH 7.8, VAPOR DIFFUSION, HANGING DROP, TEMPERATURE 293K    
REMARK 290                                                                      
REMARK 290 CRYSTALLOGRAPHIC SYMMETRY                                            
REMARK 290 SYMMETRY OPERATORS FOR SPACE GROUP: H 3                              
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   X+2/3,Y+1/3,Z+1/3                                       
REMARK 290       5555   -Y+2/3,X-Y+1/3,Z+1/3                                    
REMARK 290       6555   -X+Y+2/3,-X+1/3,Z+1/3                                   
REMARK 290       7555   X+1/3,Y+2/3,Z+2/3                                       
REMARK 290       8555   -Y+1/3,X-Y+2/3,Z+2/3                                    
REMARK 290       9555   -X+Y+1/3,-X+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  1.000000  0.000000  0.000000       53.08650            
REMARK 290   SMTRY2   4  0.000000  1.000000  0.000000       30.64951            
REMARK 290   SMTRY3   4  0.000000  0.000000  1.000000       30.88433            
REMARK 290   SMTRY1   5 -0.500000 -0.866025  0.000000       53.08650            
REMARK 290   SMTRY2   5  0.866025 -0.500000  0.000000       30.64951            
REMARK 290   SMTRY3   5  0.000000  0.000000  1.000000       30.88433            
REMARK 290   SMTRY1   6 -0.500000  0.866025  0.000000       53.08650            
REMARK 290   SMTRY2   6 -0.866025 -0.500000  0.000000       30.64951            
REMARK 290   SMTRY3   6  0.000000  0.000000  1.000000       30.88433            
REMARK 290   SMTRY1   7  1.000000  0.000000  0.000000        0.00000            
REMARK 290   SMTRY2   7  0.000000  1.000000  0.000000       61.29901            
REMARK 290   SMTRY3   7  0.000000  0.000000  1.000000       61.76867            
REMARK 290   SMTRY1   8 -0.500000 -0.866025  0.000000        0.00000            
REMARK 290   SMTRY2   8  0.866025 -0.500000  0.000000       61.29901            
REMARK 290   SMTRY3   8  0.000000  0.000000  1.000000       61.76867            
REMARK 290   SMTRY1   9 -0.500000  0.866025  0.000000        0.00000            
REMARK 290   SMTRY2   9 -0.866025 -0.500000  0.000000       61.29901            
REMARK 290   SMTRY3   9  0.000000  0.000000  1.000000       61.76867            
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: DODECAMERIC                       
REMARK 350 APPLY THE FOLLOWING TO CHAINS: A, B, C, D                            
REMARK 350   BIOMT1   1  1.000000  0.000000  0.000000        0.00000            
REMARK 350   BIOMT2   1  0.000000  1.000000  0.000000        0.00000            
REMARK 350   BIOMT3   1  0.000000  0.000000  1.000000        0.00000            
REMARK 350   BIOMT1   2 -0.500000 -0.866025  0.000000        0.00000            
REMARK 350   BIOMT2   2  0.866025 -0.500000  0.000000        0.00000            
REMARK 350   BIOMT3   2  0.000000  0.000000  1.000000        0.00000            
REMARK 350   BIOMT1   3 -0.500000  0.866025  0.000000        0.00000            
REMARK 350   BIOMT2   3 -0.866025 -0.500000  0.000000        0.00000            
REMARK 350   BIOMT3   3  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   N3   IMC B     4    AG     AG B   101              1.78            
REMARK 500                                                                      
REMARK 500 REMARK: NULL                                                         
REMARK 500                                                                      
REMARK 500 GEOMETRY AND STEREOCHEMISTRY                                         
REMARK 500 SUBTOPIC: CLOSE CONTACTS                                             
REMARK 500                                                                      
REMARK 500 THE FOLLOWING ATOMS THAT ARE RELATED BY CRYSTALLOGRAPHIC             
REMARK 500 SYMMETRY ARE IN CLOSE CONTACT.  AN ATOM LOCATED WITHIN 0.15          
REMARK 500 ANGSTROMS OF A SYMMETRY RELATED ATOM IS ASSUMED TO BE ON A           
REMARK 500 SPECIAL POSITION AND IS, THEREFORE, LISTED IN REMARK 375             
REMARK 500 INSTEAD OF REMARK 500.  ATOMS WITH NON-BLANK ALTERNATE               
REMARK 500 LOCATION INDICATORS ARE NOT INCLUDED IN THE CALCULATIONS.            
REMARK 500                                                                      
REMARK 500 DISTANCE CUTOFF:                                                     
REMARK 500 2.2 ANGSTROMS FOR CONTACTS NOT INVOLVING HYDROGEN ATOMS              
REMARK 500 1.6 ANGSTROMS FOR CONTACTS INVOLVING HYDROGEN ATOMS                  
REMARK 500                                                                      
REMARK 500  ATM1  RES C  SSEQI   ATM2  RES C  SSEQI  SSYMOP   DISTANCE          
REMARK 500   O6    DG A     1     N4    DC D     1     7544     2.12            
REMARK 500                                                                      
REMARK 500 REMARK: NULL                                                         
REMARK 500                                                                      
REMARK 500 GEOMETRY AND STEREOCHEMISTRY                                         
REMARK 500 SUBTOPIC: COVALENT BOND LENGTHS                                      
REMARK 500                                                                      
REMARK 500 THE STEREOCHEMICAL PARAMETERS OF THE FOLLOWING RESIDUES              
REMARK 500 HAVE VALUES WHICH DEVIATE FROM EXPECTED VALUES BY MORE               
REMARK 500 THAN 6*RMSD (M=MODEL NUMBER; RES=RESIDUE NAME; C=CHAIN               
REMARK 500 IDENTIFIER; SSEQ=SEQUENCE NUMBER; I=INSERTION CODE).                 
REMARK 500                                                                      
REMARK 500 STANDARD TABLE:                                                      
REMARK 500 FORMAT: (10X,I3,1X,2(A3,1X,A1,I4,A1,1X,A4,3X),1X,F6.3)               
REMARK 500                                                                      
REMARK 500 EXPECTED VALUES PROTEIN: ENGH AND HUBER, 1999                        
REMARK 500 EXPECTED VALUES NUCLEIC ACID: CLOWNEY ET AL 1996                     
REMARK 500                                                                      
REMARK 500  M RES CSSEQI ATM1   RES CSSEQI ATM2   DEVIATION                     
REMARK 500     DC D   1   P      DC D   1   OP3    -0.126                       
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     DA A   2   O4' -  C1' -  N9  ANGL. DEV. =   2.0 DEGREES          
REMARK 500     DC A   7   O4' -  C1' -  N1  ANGL. DEV. =   1.8 DEGREES          
REMARK 500     DT A  11   O4' -  C1' -  N1  ANGL. DEV. =   4.1 DEGREES          
REMARK 500     DC A  12   O4' -  C1' -  N1  ANGL. DEV. =   2.0 DEGREES          
REMARK 500     DA B   7   O4' -  C1' -  N9  ANGL. DEV. =   3.0 DEGREES          
REMARK 500     DC D   1   O4' -  C1' -  N1  ANGL. DEV. =   2.2 DEGREES          
REMARK 500     DG D   3   C3' -  C2' -  C1' ANGL. DEV. =  -5.7 DEGREES          
REMARK 500     DG D   3   O4' -  C1' -  N9  ANGL. DEV. =   3.5 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                              AG B 101  AG                            
REMARK 620 N RES CSSEQI ATOM                                                    
REMARK 620 1  DC A  12   N3                                                     
REMARK 620 2  DC A  12   N4   56.4                                              
REMARK 620 N                    1                                               
REMARK 900                                                                      
REMARK 900 RELATED ENTRIES                                                      
REMARK 900 RELATED ID: 7SD6   RELATED DB: PDB                                   
REMARK 900 7SD6 CONTAINS A DIFFERENT BASE PAIR IN THE SAME MOTIF.               
DBREF  7SDF A    1    21  PDB    7SDF     7SDF             1     21             
DBREF  7SDF B    1     7  PDB    7SDF     7SDF             1      7             
DBREF  7SDF C    8    14  PDB    7SDF     7SDF             8     14             
DBREF  7SDF D    1     7  PDB    7SDF     7SDF             1      7             
SEQRES   1 A   21   DG  DA  DG  DC  DA  DG  DC  DC  DT  DG  DT  DC  DT          
SEQRES   2 A   21   DG  DG  DA  DC  DA  DT  DC  DA                              
SEQRES   1 B    7   DC  DC  DA IMC  DA  DC  DA                                  
SEQRES   1 C    7   DG  DG  DC  DT  DG  DC  DT                                  
SEQRES   1 D    7   DC  DT  DG  DA  DT  DG  DT                                  
HET    IMC  B   4      33                                                       
HET     AG  B 101       1                                                       
HETNAM     IMC N1-[2-DEOXY-RIBOFURANOSYL]-[2-AMINO-5-METHYL-4-OXO-4H-           
HETNAM   2 IMC  PYRIMIDINE]-5'-MONOPHOSPHATE                                    
HETNAM      AG SILVER ION                                                       
FORMUL   2  IMC    C10 H16 N3 O7 P                                              
FORMUL   5   AG    AG 1+                                                        
LINK         O3'  DA B   3                 P   IMC B   4     1555   1555  1.60  
LINK         O3' IMC B   4                 P    DA B   5     1555   1555  1.61  
LINK         N3   DC A  12                AG    AG B 101     1555   1555  2.00  
LINK         N4   DC A  12                AG    AG B 101     1555   1555  2.69  
CRYST1  106.173  106.173   92.653  90.00  90.00 120.00 H 3           9          
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      0.009419  0.005438  0.000000        0.00000                         
SCALE2      0.000000  0.010876  0.000000        0.00000                         
SCALE3      0.000000  0.000000  0.010793        0.00000