HEADER    DNA                                     19-FEB-09   3GBI              
TITLE     THE RATIONAL DESIGN AND STRUCTURAL ANALYSIS OF A SELF-ASSEMBLED THREE-
TITLE    2 DIMENSIONAL DNA CRYSTAL                                              
COMPND    MOL_ID: 1;                                                            
COMPND   2 MOLECULE: DNA (5'-                                                   
COMPND   3 D(*GP*AP*GP*CP*AP*GP*CP*CP*TP*GP*TP*AP*CP*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*GP*TP*AP*CP*A)-3');                      
COMPND   9 CHAIN: B;                                                            
COMPND  10 FRAGMENT: SYMMETRICALLY- AND SEQUENTIALLY REPEATING UNIT OF A        
COMPND  11 CIRCULAR DNA MOLECULES, SEE REMARK 400 FOR DETAILS.;                 
COMPND  12 ENGINEERED: YES;                                                     
COMPND  13 MOL_ID: 3;                                                           
COMPND  14 MOLECULE: DNA (5'-D(P*GP*GP*CP*TP*GP*C)-3');                         
COMPND  15 CHAIN: C;                                                            
COMPND  16 FRAGMENT: LAST 6 RESIDUES OF A DNA MOLECULE USED IN EXPERIMENT, SEE  
COMPND  17 REMARK 400 FOR DETAILS.;                                             
COMPND  18 ENGINEERED: YES;                                                     
COMPND  19 MOL_ID: 4;                                                           
COMPND  20 MOLECULE: DNA (5'-D(*TP*CP*TP*GP*AP*TP*GP*T)-3');                    
COMPND  21 CHAIN: D;                                                            
COMPND  22 FRAGMENT: FIRST 8 RESIDUES OF A DNA MOLECULE USED IN EXPERIMENT, SEE 
COMPND  23 REMARK 400 FOR DETAILS.;                                             
COMPND  24 ENGINEERED: YES                                                      
SOURCE    MOL_ID: 1;                                                            
SOURCE   2 SYNTHETIC: YES;                                                      
SOURCE   3 OTHER_DETAILS: DNA STRANDS WERE SYNTHESIZED BY STANDARD              
SOURCE   4 PHOSPHORAMIDITE TECHNIQUES ON AN APPLIED BIOSYSTEMS 394 DNA          
SOURCE   5 SYNTHESIZER USING TRITYL-ON MODE.;                                   
SOURCE   6 MOL_ID: 2;                                                           
SOURCE   7 SYNTHETIC: YES;                                                      
SOURCE   8 OTHER_DETAILS: DNA STRANDS WERE SYNTHESIZED BY STANDARD              
SOURCE   9 PHOSPHORAMIDITE TECHNIQUES ON AN APPLIED BIOSYSTEMS 394 DNA          
SOURCE  10 SYNTHESIZER USING TRITYL-ON;                                         
SOURCE  11 MOL_ID: 3;                                                           
SOURCE  12 SYNTHETIC: YES;                                                      
SOURCE  13 OTHER_DETAILS: DNA STRANDS WERE SYNTHESIZED BY STANDARD              
SOURCE  14 PHOSPHORAMIDITE TECHNIQUES ON AN APPLIED BIOSYSTEMS 394 DNA          
SOURCE  15 SYNTHESIZER USING TRITYL-ON;                                         
SOURCE  16 MOL_ID: 4;                                                           
SOURCE  17 SYNTHETIC: YES;                                                      
SOURCE  18 OTHER_DETAILS: DNA STRANDS WERE SYNTHESIZED BY STANDARD              
SOURCE  19 PHOSPHORAMIDITE TECHNIQUES ON AN APPLIED BIOSYSTEMS 394 DNA          
SOURCE  20 SYNTHESIZER USING TRITYL-ON                                          
KEYWDS    NANOTECHNOLOGY, DNA CRYSTALS, DNA CROSSOVER, DESIGNED CRYSTAL         
KEYWDS   2 LATTICE, DNA                                                         
EXPDTA    X-RAY DIFFRACTION                                                     
AUTHOR    J.J.BIRKTOFT,J.ZHENG,N.C.SEEMAN                                       
REVDAT   3   01-NOV-17 3GBI    1       REMARK                                   
REVDAT   2   22-SEP-09 3GBI    1       JRNL                                     
REVDAT   1   01-SEP-09 3GBI    0                                                
JRNL        AUTH   J.ZHENG,J.J.BIRKTOFT,Y.CHEN,T.WANG,R.SHA,P.E.CONSTANTINOU,   
JRNL        AUTH 2 S.L.GINELL,C.MAO,N.C.SEEMAN                                  
JRNL        TITL   FROM MOLECULAR TO MACROSCOPIC VIA THE RATIONAL DESIGN OF A   
JRNL        TITL 2 SELF-ASSEMBLED 3D DNA CRYSTAL.                               
JRNL        REF    NATURE                        V. 461    74 2009              
JRNL        REFN                   ISSN 0028-0836                               
JRNL        PMID   19727196                                                     
JRNL        DOI    10.1038/NATURE08274                                          
REMARK   2                                                                      
REMARK   2 RESOLUTION.    4.02 ANGSTROMS.                                       
REMARK   3                                                                      
REMARK   3 REFINEMENT.                                                          
REMARK   3   PROGRAM     : PHENIX                                               
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 : ML                                            
REMARK   3                                                                      
REMARK   3  DATA USED IN REFINEMENT.                                            
REMARK   3   RESOLUTION RANGE HIGH (ANGSTROMS) : 4.02                           
REMARK   3   RESOLUTION RANGE LOW  (ANGSTROMS) : 17.29                          
REMARK   3   MIN(FOBS/SIGMA_FOBS)              : 0.140                          
REMARK   3   COMPLETENESS FOR RANGE        (%) : 61.1                           
REMARK   3   NUMBER OF REFLECTIONS             : 2022                           
REMARK   3                                                                      
REMARK   3  FIT TO DATA USED IN REFINEMENT.                                     
REMARK   3   R VALUE     (WORKING + TEST SET) : 0.246                           
REMARK   3   R VALUE            (WORKING SET) : 0.240                           
REMARK   3   FREE R VALUE                     : 0.309                           
REMARK   3   FREE R VALUE TEST SET SIZE   (%) : 10.040                          
REMARK   3   FREE R VALUE TEST SET COUNT      : 203                             
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  0.0000 -  4.0180    0.61     1819   203  0.2400 0.3090        
REMARK   3                                                                      
REMARK   3  BULK SOLVENT MODELLING.                                             
REMARK   3   METHOD USED        : FLAT BULK SOLVENT MODEL                       
REMARK   3   SOLVENT RADIUS     : NULL                                          
REMARK   3   SHRINKAGE RADIUS   : NULL                                          
REMARK   3   K_SOL              : 0.09                                          
REMARK   3   B_SOL              : 20.00                                         
REMARK   3                                                                      
REMARK   3  ERROR ESTIMATES.                                                    
REMARK   3   COORDINATE ERROR (MAXIMUM-LIKELIHOOD BASED)     : 0.830            
REMARK   3   PHASE ERROR (DEGREES, MAXIMUM-LIKELIHOOD BASED) : NULL             
REMARK   3                                                                      
REMARK   3  B VALUES.                                                           
REMARK   3   FROM WILSON PLOT           (A**2) : 199.8                          
REMARK   3   MEAN B VALUE      (OVERALL, A**2) : 80.00                          
REMARK   3   OVERALL ANISOTROPIC B VALUE.                                       
REMARK   3    B11 (A**2) : 63.25200                                             
REMARK   3    B22 (A**2) : 63.25200                                             
REMARK   3    B33 (A**2) : 227.85100                                            
REMARK   3    B12 (A**2) : 0.00000                                              
REMARK   3    B13 (A**2) : 0.00000                                              
REMARK   3    B23 (A**2) : 0.00000                                              
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      :  0.016           1052                                  
REMARK   3   ANGLE     :  1.364           1465                                  
REMARK   3   CHIRALITY :  0.058            166                                  
REMARK   3   PLANARITY :  0.002             42                                  
REMARK   3   DIHEDRAL  : 31.823            406                                  
REMARK   3                                                                      
REMARK   3  TLS DETAILS                                                         
REMARK   3   NUMBER OF TLS GROUPS  : NULL                                       
REMARK   3                                                                      
REMARK   3  NCS DETAILS                                                         
REMARK   3   NUMBER OF NCS GROUPS : NULL                                        
REMARK   3                                                                      
REMARK   3  OTHER REFINEMENT REMARKS: IN REALITY ALL 3211 MEASURED              
REMARK   3  REFLECTIONS WERE USED IN THE REFINEMENT (USING PHENIX). OF THESE    
REMARK   3  ONLY 2022 HAD FOBS/SIGMA_FOBS >/= 0.140.                            
REMARK   4                                                                      
REMARK   4 3GBI COMPLIES WITH FORMAT V. 3.30, 13-JUL-11                         
REMARK 100                                                                      
REMARK 100 THIS ENTRY HAS BEEN PROCESSED BY RCSB ON 30-MAR-09.                  
REMARK 100 THE DEPOSITION ID IS D_1000051659.                                   
REMARK 200                                                                      
REMARK 200 EXPERIMENTAL DETAILS                                                 
REMARK 200  EXPERIMENT TYPE                : X-RAY DIFFRACTION                  
REMARK 200  DATE OF DATA COLLECTION        : 17-JUN-08                          
REMARK 200  TEMPERATURE           (KELVIN) : NULL                               
REMARK 200  PH                             : 8.5                                
REMARK 200  NUMBER OF CRYSTALS USED        : 1                                  
REMARK 200                                                                      
REMARK 200  SYNCHROTRON              (Y/N) : Y                                  
REMARK 200  RADIATION SOURCE               : APS                                
REMARK 200  BEAMLINE                       : 19-ID                              
REMARK 200  X-RAY GENERATOR MODEL          : NULL                               
REMARK 200  MONOCHROMATIC OR LAUE    (M/L) : M                                  
REMARK 200  WAVELENGTH OR RANGE        (A) : 1.0                                
REMARK 200  MONOCHROMATOR                  : GRAPHITE                           
REMARK 200  OPTICS                         : NULL                               
REMARK 200                                                                      
REMARK 200  DETECTOR TYPE                  : CCD                                
REMARK 200  DETECTOR MANUFACTURER          : ADSC QUANTUM 315R                  
REMARK 200  INTENSITY-INTEGRATION SOFTWARE : HKL-3000                           
REMARK 200  DATA SCALING SOFTWARE          : HKL-3000                           
REMARK 200                                                                      
REMARK 200  NUMBER OF UNIQUE REFLECTIONS   : 3211                               
REMARK 200  RESOLUTION RANGE HIGH      (A) : 4.010                              
REMARK 200  RESOLUTION RANGE LOW       (A) : 17.300                             
REMARK 200  REJECTION CRITERIA  (SIGMA(I)) : 0.000                              
REMARK 200                                                                      
REMARK 200 OVERALL.                                                             
REMARK 200  COMPLETENESS FOR RANGE     (%) : 96.1                               
REMARK 200  DATA REDUNDANCY                : 7.300                              
REMARK 200  R MERGE                    (I) : 0.06700                            
REMARK 200  R SYM                      (I) : NULL                               
REMARK 200  <I/SIGMA(I)> FOR THE DATA SET  : 10.9000                            
REMARK 200                                                                      
REMARK 200 IN THE HIGHEST RESOLUTION SHELL.                                     
REMARK 200  HIGHEST RESOLUTION SHELL, RANGE HIGH (A) : 4.00                     
REMARK 200  HIGHEST RESOLUTION SHELL, RANGE LOW  (A) : 4.07                     
REMARK 200  COMPLETENESS FOR SHELL     (%) : 100.0                              
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: NULL                         
REMARK 200 SOFTWARE USED: HKL2MAP                                               
REMARK 200 STARTING MODEL: NULL                                                 
REMARK 200                                                                      
REMARK 200 REMARK: NULL                                                         
REMARK 280                                                                      
REMARK 280 CRYSTAL                                                              
REMARK 280 SOLVENT CONTENT, VS   (%): NULL                                      
REMARK 280 MATTHEWS COEFFICIENT, VM (ANGSTROMS**3/DA): NULL                     
REMARK 280                                                                      
REMARK 280 CRYSTALLIZATION CONDITIONS: GROWN BY VAPOR DIFFUSION WHILE TREATED   
REMARK 280  WITH A CONTROLLED TEMPERATURE GRADIENT FROM 333 DEGS TO 293         
REMARK 280  DEGS., PH 8.5, VAPOR DIFFUSION, SITTING DROP                        
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       53.58050            
REMARK 290   SMTRY2   4  0.000000  1.000000  0.000000       30.93472            
REMARK 290   SMTRY3   4  0.000000  0.000000  1.000000       31.04800            
REMARK 290   SMTRY1   5 -0.500000 -0.866025  0.000000       53.58050            
REMARK 290   SMTRY2   5  0.866025 -0.500000  0.000000       30.93472            
REMARK 290   SMTRY3   5  0.000000  0.000000  1.000000       31.04800            
REMARK 290   SMTRY1   6 -0.500000  0.866025  0.000000       53.58050            
REMARK 290   SMTRY2   6 -0.866025 -0.500000  0.000000       30.93472            
REMARK 290   SMTRY3   6  0.000000  0.000000  1.000000       31.04800            
REMARK 290   SMTRY1   7  1.000000  0.000000  0.000000        0.00000            
REMARK 290   SMTRY2   7  0.000000  1.000000  0.000000       61.86943            
REMARK 290   SMTRY3   7  0.000000  0.000000  1.000000       62.09600            
REMARK 290   SMTRY1   8 -0.500000 -0.866025  0.000000        0.00000            
REMARK 290   SMTRY2   8  0.866025 -0.500000  0.000000       61.86943            
REMARK 290   SMTRY3   8  0.000000  0.000000  1.000000       62.09600            
REMARK 290   SMTRY1   9 -0.500000  0.866025  0.000000        0.00000            
REMARK 290   SMTRY2   9 -0.866025 -0.500000  0.000000       61.86943            
REMARK 290   SMTRY3   9  0.000000  0.000000  1.000000       62.09600            
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 300 REMARK: AUTHORS STATE THAT THE CRYSTAL IS AN INFINITE NETWORK MADE   
REMARK 300 FROM THREE DNA STRANDS THAT SELF-ASSOCIATE. IN THE CURRENT ENTRY     
REMARK 300 THE ASYMMETRIC UNIT IS COMPRISED OF 4 CHAINS, 3 OF WHICH ARE         
REMARK 300 FRAGMENTS OF LONGER DNA STRANDS. APPLYING THE SPACE GROUP H3         
REMARK 300 SYMMETRY OPERATORS (X, Y, Z,), (-Y, X-Y, Z), AND (-X+Y,-X,Z) TO THE  
REMARK 300 CONTENTS OF THE ASYMMETRIC UNIT GENERATES ONE TRIMERIC UNIT OF THE   
REMARK 300 SELF-ASSOCIATED DNA NETWORK. ADDITIONAL DETAILS ABOUT THE CHEMICAL   
REMARK 300 COMPOSITION AND ASSOCIATION ARE INCLUDED IN REMARK 400.              
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: HEPTAMERIC                        
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 400                                                                      
REMARK 400 COMPOUND                                                             
REMARK 400 THE STRUCTURE UNIT IS GENERATED FROM 7 DNA STRANDS WHICH FORM        
REMARK 400 A NETWORK UNIT WITH INTERNAL 3-FOLD SYMMETRY. EXTENDING OF THE       
REMARK 400 STRUCTURE UNIT IN 3-D SPACE RESULTS THE CRYSTAL AT R3 SPACE          
REMARK 400 GROUP (REPRESENTED AS H3). THE DNA SEQUENCES OF THE 7 STRANDS        
REMARK 400 ARE:                                                                 
REMARK 400 (#1) 3 STRANDS                                                       
REMARK 400 5'-D(*GP*AP*GP*CP*AP*GP*CP*CP*TP*GP*TP*AP*CP*GP*GP*AP*CP*AP*TP       
REMARK 400 *CP*A)-3'                                                            
REMARK 400                                                                      
REMARK 400 (#2) 1 STRAND                                                        
REMARK 400 5'-D(*TP*AP*CP*AP*CP*CP*GP*TP*AP*CP*AP*CP*CP*GP*TP*AP*CP*AP*CP*      
REMARK 400 CP*G)-3'                                                             
REMARK 400                                                                      
REMARK 400 (#3) 3 STRANDS                                                       
REMARK 400 5'-D(*TP*CP*TP*GP*AP*TP*GP*TP*GP*GP*CP*TP*GP*C)-3'                   
REMARK 400                                                                      
REMARK 400 THE ASYMMETRIC UNIT IS COMPRISED OF ONE FULL #1 STRAND (CHAIN A),    
REMARK 400 7-RESIDUE REPEATING UNIT OF #2 STRAND (CHAIN B) AND TWO FRAGMENTS    
REMARK 400 OF #3 STRAND (CHAINS C AND D).                                       
REMARK 400                                                                      
REMARK 400 THE #2 STRAND SELF-ASSOICATES TO FORM A CIRCULAR DNA MOLECULE        
REMARK 400 WITH INTERNAL 3-FOLD SYMMETRY. IT HAS 3 SYMMETRIC AND SEQUENTIAL     
REMARK 400 REPEATING UNITS. CHAIN B IN THE ASYMMETRIC UNIT REPRESENTS ONE       
REMARK 400 OF THESE REPEATING UNITS.                                            
REMARK 400                                                                      
REMARK 400 CHAINS D (FIRST 8 RESIDUES OF STRAND #3) AND C (NEXT 6 RESIDUES      
REMARK 400 OF STRAND #3) TOGETHER FORM THE THIRD DNA STRAND (#3) OF THE         
REMARK 400 EXPERIMENT. THIS DNA STRAND SPANS TWO ASYMMETRIC UNITS - HENCE IT    
REMARK 400 WAS DIVIDED INTO THE CURRENT CHAINS C AND D FOR CONVENIENT           
REMARK 400 REPRESENTATION. CHAIN C (1_555) IS COVALENTLY LINKED TO              
REMARK 400 CHAIN D OF ANOTHER ASYMMETRIC UNIT (3_555); AND CHAIN D (1_555)      
REMARK 400 IS COVALENTLY LINKED TO CHAIN C OF ANOTHER ASYMMETRIC UNIT           
REMARK 400 (2_555).                                                             
REMARK 400                                                                      
REMARK 400 THE SELECTION OF RESIDUES FROM THE DNA #2 AND #3                     
REMARK 400 ARE DICTATED BY THEIR PROXIMITY (BASE PAIRING) TO CHAIN A.           
REMARK 500                                                                      
REMARK 500 GEOMETRY AND STEREOCHEMISTRY                                         
REMARK 500 SUBTOPIC: COVALENT BOND LENGTHS                                      
REMARK 500                                                                      
REMARK 500 THE STEREOCHEMICAL PARAMETERS OF THE FOLLOWING RESIDUES              
REMARK 500 HAVE VALUES WHICH DEVIATE FROM EXPECTED VALUES BY MORE               
REMARK 500 THAN 6*RMSD (M=MODEL NUMBER; RES=RESIDUE NAME; C=CHAIN               
REMARK 500 IDENTIFIER; SSEQ=SEQUENCE NUMBER; I=INSERTION CODE).                 
REMARK 500                                                                      
REMARK 500 STANDARD TABLE:                                                      
REMARK 500 FORMAT: (10X,I3,1X,2(A3,1X,A1,I4,A1,1X,A4,3X),1X,F6.3)               
REMARK 500                                                                      
REMARK 500 EXPECTED VALUES PROTEIN: ENGH AND HUBER, 1999                        
REMARK 500 EXPECTED VALUES NUCLEIC ACID: CLOWNEY ET AL 1996                     
REMARK 500                                                                      
REMARK 500  M RES CSSEQI ATM1   RES CSSEQI ATM2   DEVIATION                     
REMARK 500     DT D 106   C5     DT D 106   C7      0.036                       
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 102   O4' -  C1' -  N9  ANGL. DEV. =   4.3 DEGREES          
REMARK 500     DG A 103   O4' -  C1' -  N9  ANGL. DEV. =   4.3 DEGREES          
REMARK 500     DA A 105   C3' -  C2' -  C1' ANGL. DEV. =  -5.2 DEGREES          
REMARK 500     DA A 105   O4' -  C1' -  N9  ANGL. DEV. =   2.6 DEGREES          
REMARK 500     DC A 107   C1' -  O4' -  C4' ANGL. DEV. =  -6.2 DEGREES          
REMARK 500     DC A 107   C3' -  C2' -  C1' ANGL. DEV. =  -5.1 DEGREES          
REMARK 500     DC A 107   O4' -  C1' -  N1  ANGL. DEV. =   4.4 DEGREES          
REMARK 500     DT A 111   O4' -  C1' -  N1  ANGL. DEV. =   1.9 DEGREES          
REMARK 500     DA A 116   O4' -  C1' -  N9  ANGL. DEV. =   3.7 DEGREES          
REMARK 500     DC A 117   O4' -  C1' -  N1  ANGL. DEV. =   2.8 DEGREES          
REMARK 500     DA A 118   O4' -  C4' -  C3' ANGL. DEV. =  -3.0 DEGREES          
REMARK 500     DT A 119   O4' -  C1' -  N1  ANGL. DEV. =   1.9 DEGREES          
REMARK 500     DA A 121   C3' -  C2' -  C1' ANGL. DEV. =  -6.8 DEGREES          
REMARK 500     DA A 121   O4' -  C1' -  N9  ANGL. DEV. =   1.9 DEGREES          
REMARK 500     DA B 123   C3' -  C2' -  C1' ANGL. DEV. =  -6.9 DEGREES          
REMARK 500     DA B 123   O4' -  C1' -  N9  ANGL. DEV. =   3.4 DEGREES          
REMARK 500     DG C 210   O4' -  C1' -  N9  ANGL. DEV. =   3.2 DEGREES          
REMARK 500     DC C 211   O4' -  C1' -  N1  ANGL. DEV. =   3.0 DEGREES          
REMARK 500     DG C 213   O4' -  C1' -  N9  ANGL. DEV. =   3.2 DEGREES          
REMARK 500     DC D 102   O4' -  C1' -  N1  ANGL. DEV. =   2.0 DEGREES          
REMARK 500     DT D 103   O4' -  C1' -  N1  ANGL. DEV. =   3.5 DEGREES          
REMARK 500     DG D 104   C3' -  C2' -  C1' ANGL. DEV. =  -6.0 DEGREES          
REMARK 500     DA D 105   C3' -  C2' -  C1' ANGL. DEV. =  -5.1 DEGREES          
REMARK 500     DT D 106   C1' -  O4' -  C4' ANGL. DEV. =  -6.4 DEGREES          
REMARK 500     DT D 106   C3' -  C2' -  C1' ANGL. DEV. =  -5.1 DEGREES          
REMARK 500     DT D 106   O4' -  C1' -  N1  ANGL. DEV. =   2.8 DEGREES          
REMARK 500     DT D 108   O4' -  C1' -  N1  ANGL. DEV. =   1.9 DEGREES          
REMARK 500                                                                      
REMARK 500 REMARK: NULL                                                         
DBREF  3GBI A  101   121  PDB    3GBI     3GBI             1     21             
DBREF  3GBI B  119   125  PDB    3GBI     3GBI             1      7             
DBREF  3GBI C  209   214  PDB    3GBI     3GBI             1      6             
DBREF  3GBI D  101   108  PDB    3GBI     3GBI             1      8             
SEQRES   1 A   21   DG  DA  DG  DC  DA  DG  DC  DC  DT  DG  DT  DA  DC          
SEQRES   2 A   21   DG  DG  DA  DC  DA  DT  DC  DA                              
SEQRES   1 B    7   DC  DC  DG  DT  DA  DC  DA                                  
SEQRES   1 C    6   DG  DG  DC  DT  DG  DC                                      
SEQRES   1 D    8   DT  DC  DT  DG  DA  DT  DG  DT                              
LINK         P    DC B 119                 O3'  DA B 125     1555   2555  1.61  
LINK         O3'  DA B 125                 P    DC B 119     1555   3555  1.61  
LINK         P    DG C 209                 O3'  DT D 108     1555   3555  1.61  
LINK         O3'  DT D 108                 P    DG C 209     1555   2555  1.61  
CRYST1  107.161  107.161   93.144  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      0.009332  0.005388  0.000000        0.00000                         
SCALE2      0.000000  0.010775  0.000000        0.00000                         
SCALE3      0.000000  0.000000  0.010736        0.00000                         
MASTER      326    0    0    0    0    0    0    6    0    0    0    5          
END