HEADER    DNA                                     29-SEP-21   7SD6              
TITLE     [T:HG2+:T] 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*TP*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*TP*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    B.LU,S.VECCHIONI,N.C.SEEMAN,R.SHA,Y.P.OHAYON                          
REVDAT   3   22-MAY-24 7SD6    1       REMARK                                   
REVDAT   2   05-APR-23 7SD6    1       JRNL                                     
REVDAT   1   05-OCT-22 7SD6    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.    3.53 ANGSTROMS.                                       
REMARK   3                                                                      
REMARK   3 REFINEMENT.                                                          
REMARK   3   PROGRAM     : PHENIX 1.19.2_4158                                   
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) : 3.53                           
REMARK   3   RESOLUTION RANGE LOW  (ANGSTROMS) : 32.65                          
REMARK   3   MIN(FOBS/SIGMA_FOBS)              : 1.960                          
REMARK   3   COMPLETENESS FOR RANGE        (%) : 60.7                           
REMARK   3   NUMBER OF REFLECTIONS             : 2934                           
REMARK   3                                                                      
REMARK   3  FIT TO DATA USED IN REFINEMENT.                                     
REMARK   3   R VALUE     (WORKING + TEST SET) : 0.206                           
REMARK   3   R VALUE            (WORKING SET) : 0.204                           
REMARK   3   FREE R VALUE                     : 0.245                           
REMARK   3   FREE R VALUE TEST SET SIZE   (%) : 6.130                           
REMARK   3   FREE R VALUE TEST SET COUNT      : 180                             
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 32.6500 -  3.5300    0.61     2754   180  0.2036 0.2449        
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)     : 0.000            
REMARK   3   PHASE ERROR (DEGREES, MAXIMUM-LIKELIHOOD BASED) : 39.266           
REMARK   3                                                                      
REMARK   3  B VALUES.                                                           
REMARK   3   FROM WILSON PLOT           (A**2) : 212.1                          
REMARK   3   MEAN B VALUE      (OVERALL, A**2) : 254.6                          
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      :  0.008            958                                  
REMARK   3   ANGLE     :  1.059           1471                                  
REMARK   3   CHIRALITY :  0.053            167                                  
REMARK   3   PLANARITY :  0.005             42                                  
REMARK   3   DIHEDRAL  : 39.352            407                                  
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): -15.2208   3.3515   7.3165              
REMARK   3    T TENSOR                                                          
REMARK   3      T11:   2.9512 T22:   1.7316                                     
REMARK   3      T33:   3.0387 T12:   0.0254                                     
REMARK   3      T13:  -0.2346 T23:   0.6065                                     
REMARK   3    L TENSOR                                                          
REMARK   3      L11:   6.6804 L22:   6.6629                                     
REMARK   3      L33:   2.0431 L12:  -0.2607                                     
REMARK   3      L13:   0.9733 L23:  -2.5660                                     
REMARK   3    S TENSOR                                                          
REMARK   3      S11:  -0.3426 S12:   0.1532 S13:   1.5782                       
REMARK   3      S21:  -1.3389 S22:   2.6400 S23:   3.5638                       
REMARK   3      S31:   0.0267 S32:  -0.9529 S33:  -2.1518                       
REMARK   3   TLS GROUP : 2                                                      
REMARK   3    SELECTION: (CHAIN 'B' AND RESID 1 THROUGH 7)                      
REMARK   3    ORIGIN FOR THE GROUP (A): -14.3883   0.3244   8.7814              
REMARK   3    T TENSOR                                                          
REMARK   3      T11:   1.8810 T22:   2.3707                                     
REMARK   3      T33:   2.1737 T12:  -0.1411                                     
REMARK   3      T13:  -0.0198 T23:   0.5957                                     
REMARK   3    L TENSOR                                                          
REMARK   3      L11:   8.2549 L22:   7.5547                                     
REMARK   3      L33:   1.9273 L12:  -7.0013                                     
REMARK   3      L13:   0.6813 L23:   2.0226                                     
REMARK   3    S TENSOR                                                          
REMARK   3      S11:   0.6599 S12:  -3.5683 S13:  -1.1802                       
REMARK   3      S21:  -1.0583 S22:   1.9109 S23:   0.9709                       
REMARK   3      S31:  -0.3715 S32:  -3.7036 S33:  -2.8738                       
REMARK   3   TLS GROUP : 3                                                      
REMARK   3    SELECTION: (CHAIN 'C' AND RESID 8 THROUGH 14)                     
REMARK   3    ORIGIN FOR THE GROUP (A): -17.1063  20.6352  -4.5039              
REMARK   3    T TENSOR                                                          
REMARK   3      T11:   2.1794 T22:   2.1198                                     
REMARK   3      T33:   4.2165 T12:  -0.2026                                     
REMARK   3      T13:  -0.4045 T23:   0.8838                                     
REMARK   3    L TENSOR                                                          
REMARK   3      L11:   4.8693 L22:   6.9480                                     
REMARK   3      L33:   6.6145 L12:  -5.6736                                     
REMARK   3      L13:   1.3257 L23:  -0.1537                                     
REMARK   3    S TENSOR                                                          
REMARK   3      S11:   0.0972 S12:   1.6888 S13:  -1.1543                       
REMARK   3      S21:  -0.0081 S22:   2.8976 S23:   4.9519                       
REMARK   3      S31:   0.6941 S32:  -1.9813 S33:  -2.2322                       
REMARK   3   TLS GROUP : 4                                                      
REMARK   3    SELECTION: (CHAIN 'D' AND RESID 1 THROUGH 7)                      
REMARK   3    ORIGIN FOR THE GROUP (A): -13.2291 -19.4806  22.4911              
REMARK   3    T TENSOR                                                          
REMARK   3      T11:   4.5786 T22:   0.8164                                     
REMARK   3      T33:   3.1720 T12:   0.0510                                     
REMARK   3      T13:  -1.8556 T23:   1.9243                                     
REMARK   3    L TENSOR                                                          
REMARK   3      L11:   3.3605 L22:   4.8348                                     
REMARK   3      L33:   7.5527 L12:   2.6873                                     
REMARK   3      L13:   0.5281 L23:   0.1684                                     
REMARK   3    S TENSOR                                                          
REMARK   3      S11:  -0.9803 S12:  -2.8554 S13:  -0.3911                       
REMARK   3      S21:   4.1213 S22:   0.4560 S23:   0.9882                       
REMARK   3      S31:   1.3354 S32:  -1.9966 S33:  -0.5760                       
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 7SD6 COMPLIES WITH FORMAT V. 3.30, 13-JUL-11                         
REMARK 100                                                                      
REMARK 100 THIS ENTRY HAS BEEN PROCESSED BY RCSB ON 01-OCT-21.                  
REMARK 100 THE DEPOSITION ID IS D_1000259384.                                   
REMARK 200                                                                      
REMARK 200 EXPERIMENTAL DETAILS                                                 
REMARK 200  EXPERIMENT TYPE                : X-RAY DIFFRACTION                  
REMARK 200  DATE OF DATA COLLECTION        : 24-OCT-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) : 1.00866                            
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   : 2951                               
REMARK 200  RESOLUTION RANGE HIGH      (A) : 3.526                              
REMARK 200  RESOLUTION RANGE LOW       (A) : 65.304                             
REMARK 200  REJECTION CRITERIA  (SIGMA(I)) : NULL                               
REMARK 200                                                                      
REMARK 200 OVERALL.                                                             
REMARK 200  COMPLETENESS FOR RANGE     (%) : 80.1                               
REMARK 200  DATA REDUNDANCY                : 11.40                              
REMARK 200  R MERGE                    (I) : NULL                               
REMARK 200  R SYM                      (I) : NULL                               
REMARK 200  <I/SIGMA(I)> FOR THE DATA SET  : 12.3000                            
REMARK 200                                                                      
REMARK 200 IN THE HIGHEST RESOLUTION SHELL.                                     
REMARK 200  HIGHEST RESOLUTION SHELL, RANGE HIGH (A) : 3.53                     
REMARK 200  HIGHEST RESOLUTION SHELL, RANGE LOW  (A) : 4.01                     
REMARK 200  COMPLETENESS FOR SHELL     (%) : NULL                               
REMARK 200  DATA REDUNDANCY IN SHELL       : NULL                               
REMARK 200  R MERGE FOR SHELL          (I) : NULL                               
REMARK 200  R SYM FOR SHELL            (I) : NULL                               
REMARK 200  <I/SIGMA(I)> FOR SHELL         : NULL                               
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, MERCURY         
REMARK 280  CHLORIDE, 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       53.31250            
REMARK 290   SMTRY2   4  0.000000  1.000000  0.000000       30.77999            
REMARK 290   SMTRY3   4  0.000000  0.000000  1.000000       30.78933            
REMARK 290   SMTRY1   5 -0.500000 -0.866025  0.000000       53.31250            
REMARK 290   SMTRY2   5  0.866025 -0.500000  0.000000       30.77999            
REMARK 290   SMTRY3   5  0.000000  0.000000  1.000000       30.78933            
REMARK 290   SMTRY1   6 -0.500000  0.866025  0.000000       53.31250            
REMARK 290   SMTRY2   6 -0.866025 -0.500000  0.000000       30.77999            
REMARK 290   SMTRY3   6  0.000000  0.000000  1.000000       30.78933            
REMARK 290   SMTRY1   7  1.000000  0.000000  0.000000        0.00000            
REMARK 290   SMTRY2   7  0.000000  1.000000  0.000000       61.55997            
REMARK 290   SMTRY3   7  0.000000  0.000000  1.000000       61.57867            
REMARK 290   SMTRY1   8 -0.500000 -0.866025  0.000000        0.00000            
REMARK 290   SMTRY2   8  0.866025 -0.500000  0.000000       61.55997            
REMARK 290   SMTRY3   8  0.000000  0.000000  1.000000       61.57867            
REMARK 290   SMTRY1   9 -0.500000  0.866025  0.000000        0.00000            
REMARK 290   SMTRY2   9 -0.866025 -0.500000  0.000000       61.55997            
REMARK 290   SMTRY3   9  0.000000  0.000000  1.000000       61.57867            
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: 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    -0.125                       
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. =   3.7 DEGREES          
REMARK 500     DG A   3   O4' -  C1' -  N9  ANGL. DEV. =   1.9 DEGREES          
REMARK 500     DT A  11   O4' -  C1' -  N1  ANGL. DEV. =   6.0 DEGREES          
REMARK 500     DT A  12   O4' -  C1' -  N1  ANGL. DEV. =   2.4 DEGREES          
REMARK 500     DC B   6   O4' -  C1' -  N1  ANGL. DEV. =   2.0 DEGREES          
REMARK 500     DA B   7   O4' -  C1' -  N9  ANGL. DEV. =   2.8 DEGREES          
REMARK 500     DC D   1   O4' -  C1' -  N1  ANGL. DEV. =   4.1 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                              HG B 101  HG                            
REMARK 620 N RES CSSEQI ATOM                                                    
REMARK 620 1  DT A  12   N3                                                     
REMARK 620 2  DT A  12   O4   58.7                                              
REMARK 620 3  DT B   4   N3  170.8 127.2                                        
REMARK 620 4  DT B   4   O4  131.9  74.3  52.9                                  
REMARK 620 N                    1     2     3                                   
DBREF  7SD6 A    1    21  PDB    7SD6     7SD6             1     21             
DBREF  7SD6 B    1     7  PDB    7SD6     7SD6             1      7             
DBREF  7SD6 C    8    14  PDB    7SD6     7SD6             8     14             
DBREF  7SD6 D    1     7  PDB    7SD6     7SD6             1      7             
SEQRES   1 A   21   DG  DA  DG  DC  DA  DG  DC  DC  DT  DG  DT  DT  DT          
SEQRES   2 A   21   DG  DG  DA  DC  DA  DT  DC  DA                              
SEQRES   1 B    7   DC  DC  DA  DT  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     HG  B 101       1                                                       
HETNAM      HG MERCURY (II) ION                                                 
FORMUL   5   HG    HG 2+                                                        
LINK         N3   DT A  12                HG    HG B 101     1555   1555  2.11  
LINK         O4   DT A  12                HG    HG B 101     1555   1555  2.53  
LINK         N3   DT B   4                HG    HG B 101     1555   1555  2.10  
LINK         O4   DT B   4                HG    HG B 101     1555   1555  2.84  
CRYST1  106.625  106.625   92.368  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      0.009379  0.005415  0.000000        0.00000                         
SCALE2      0.000000  0.010830  0.000000        0.00000                         
SCALE3      0.000000  0.000000  0.010826        0.00000