HEADER    DNA                                     25-JUL-14   4U5M              
TITLE     STRUCTURE OF A LEFT-HANDED DNA G-QUADRUPLEX                           
COMPND    MOL_ID: 1;                                                            
COMPND   2 MOLECULE: DNA (28-MER);                                              
COMPND   3 CHAIN: A;                                                            
COMPND   4 ENGINEERED: YES                                                      
SOURCE    MOL_ID: 1;                                                            
SOURCE   2 SYNTHETIC: YES;                                                      
SOURCE   3 ORGANISM_SCIENTIFIC: SYNTHETIC CONSTRUCT;                            
SOURCE   4 ORGANISM_TAXID: 32630                                                
KEYWDS    DNA, QUADRUPLEX                                                       
EXPDTA    X-RAY DIFFRACTION                                                     
AUTHOR    E.SCHMITT,Y.MECHULAM,A.T.PHAN,H.BRAHIM,W.J.CHUNG,K.W.LIM              
REVDAT   4   08-MAY-24 4U5M    1       LINK                                     
REVDAT   3   11-MAR-15 4U5M    1       JRNL                                     
REVDAT   2   04-MAR-15 4U5M    1       JRNL                                     
REVDAT   1   25-FEB-15 4U5M    0                                                
JRNL        AUTH   W.J.CHUNG,B.HEDDI,E.SCHMITT,K.W.LIM,Y.MECHULAM,A.T.PHAN      
JRNL        TITL   STRUCTURE OF A LEFT-HANDED DNA G-QUADRUPLEX.                 
JRNL        REF    PROC.NATL.ACAD.SCI.USA        V. 112  2729 2015              
JRNL        REFN                   ESSN 1091-6490                               
JRNL        PMID   25695967                                                     
JRNL        DOI    10.1073/PNAS.1418718112                                      
REMARK   2                                                                      
REMARK   2 RESOLUTION.    1.50 ANGSTROMS.                                       
REMARK   3                                                                      
REMARK   3 REFINEMENT.                                                          
REMARK   3   PROGRAM     : PHENIX (PHENIX.REFINE: 1.8.4_1496)                   
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) : 1.50                           
REMARK   3   RESOLUTION RANGE LOW  (ANGSTROMS) : 44.94                          
REMARK   3   MIN(FOBS/SIGMA_FOBS)              : 1.350                          
REMARK   3   COMPLETENESS FOR RANGE        (%) : 95.6                           
REMARK   3   NUMBER OF REFLECTIONS             : 9875                           
REMARK   3                                                                      
REMARK   3  FIT TO DATA USED IN REFINEMENT.                                     
REMARK   3   R VALUE     (WORKING + TEST SET) : 0.143                           
REMARK   3   R VALUE            (WORKING SET) : 0.141                           
REMARK   3   FREE R VALUE                     : 0.180                           
REMARK   3   FREE R VALUE TEST SET SIZE   (%) : 4.840                           
REMARK   3   FREE R VALUE TEST SET COUNT      : 478                             
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 44.9548 -  2.1629    1.00     3362   157  0.1355 0.1516        
REMARK   3     2  2.1629 -  1.7167    1.00     3229   180  0.1478 0.2067        
REMARK   3     3  1.7167 -  1.4997    0.87     2806   141  0.1533 0.2670        
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)     : 0.150            
REMARK   3   PHASE ERROR (DEGREES, MAXIMUM-LIKELIHOOD BASED) : 22.570           
REMARK   3                                                                      
REMARK   3  B VALUES.                                                           
REMARK   3   FROM WILSON PLOT           (A**2) : 12.30                          
REMARK   3   MEAN B VALUE      (OVERALL, A**2) : 18.00                          
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            709                                  
REMARK   3   ANGLE     :  1.090           1105                                  
REMARK   3   CHIRALITY :  0.048            119                                  
REMARK   3   PLANARITY :  0.014             30                                  
REMARK   3   DIHEDRAL  : 38.186            302                                  
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: NULL                                      
REMARK   4                                                                      
REMARK   4 4U5M COMPLIES WITH FORMAT V. 3.30, 13-JUL-11                         
REMARK 100                                                                      
REMARK 100 THIS ENTRY HAS BEEN PROCESSED BY PDBE ON 25-JUL-14.                  
REMARK 100 THE DEPOSITION ID IS D_1000202854.                                   
REMARK 200                                                                      
REMARK 200 EXPERIMENTAL DETAILS                                                 
REMARK 200  EXPERIMENT TYPE                : X-RAY DIFFRACTION                  
REMARK 200  DATE OF DATA COLLECTION        : 12-MAR-14                          
REMARK 200  TEMPERATURE           (KELVIN) : 100                                
REMARK 200  PH                             : 7.0                                
REMARK 200  NUMBER OF CRYSTALS USED        : NULL                               
REMARK 200                                                                      
REMARK 200  SYNCHROTRON              (Y/N) : Y                                  
REMARK 200  RADIATION SOURCE               : SOLEIL                             
REMARK 200  BEAMLINE                       : PROXIMA 1                          
REMARK 200  X-RAY GENERATOR MODEL          : NULL                               
REMARK 200  MONOCHROMATIC OR LAUE    (M/L) : M                                  
REMARK 200  WAVELENGTH OR RANGE        (A) : 0.979                              
REMARK 200  MONOCHROMATOR                  : NULL                               
REMARK 200  OPTICS                         : NULL                               
REMARK 200                                                                      
REMARK 200  DETECTOR TYPE                  : PIXEL                              
REMARK 200  DETECTOR MANUFACTURER          : DECTRIS PILATUS 6M                 
REMARK 200  INTENSITY-INTEGRATION SOFTWARE : XDS NOV, 2013                      
REMARK 200  DATA SCALING SOFTWARE          : XSCALE                             
REMARK 200                                                                      
REMARK 200  NUMBER OF UNIQUE REFLECTIONS   : 9887                               
REMARK 200  RESOLUTION RANGE HIGH      (A) : 1.500                              
REMARK 200  RESOLUTION RANGE LOW       (A) : 45.000                             
REMARK 200  REJECTION CRITERIA  (SIGMA(I)) : 0.000                              
REMARK 200                                                                      
REMARK 200 OVERALL.                                                             
REMARK 200  COMPLETENESS FOR RANGE     (%) : 95.7                               
REMARK 200  DATA REDUNDANCY                : 9.200                              
REMARK 200  R MERGE                    (I) : NULL                               
REMARK 200  R SYM                      (I) : 0.08300                            
REMARK 200  <I/SIGMA(I)> FOR THE DATA SET  : 18.5000                            
REMARK 200                                                                      
REMARK 200 IN THE HIGHEST RESOLUTION SHELL.                                     
REMARK 200  HIGHEST RESOLUTION SHELL, RANGE HIGH (A) : 1.50                     
REMARK 200  HIGHEST RESOLUTION SHELL, RANGE LOW  (A) : 1.59                     
REMARK 200  COMPLETENESS FOR SHELL     (%) : 77.7                               
REMARK 200  DATA REDUNDANCY IN SHELL       : 5.60                               
REMARK 200  R MERGE FOR SHELL          (I) : 0.64200                            
REMARK 200  R SYM FOR SHELL            (I) : NULL                               
REMARK 200  <I/SIGMA(I)> FOR SHELL         : 2.760                              
REMARK 200                                                                      
REMARK 200 DIFFRACTION PROTOCOL: SINGLE WAVELENGTH                              
REMARK 200 METHOD USED TO DETERMINE THE STRUCTURE: MOLECULAR REPLACEMENT        
REMARK 200 SOFTWARE USED: PHASER                                                
REMARK 200 STARTING MODEL: NULL                                                 
REMARK 200                                                                      
REMARK 200 REMARK: NULL                                                         
REMARK 280                                                                      
REMARK 280 CRYSTAL                                                              
REMARK 280 SOLVENT CONTENT, VS   (%): 30.08                                     
REMARK 280 MATTHEWS COEFFICIENT, VM (ANGSTROMS**3/DA): 1.76                     
REMARK 280                                                                      
REMARK 280 CRYSTALLIZATION CONDITIONS: METHYL PENTANE DIOL, CACODYLATE, KCL,    
REMARK 280  MG, PH 7.0, VAPOR DIFFUSION, SITTING DROP, TEMPERATURE 279K         
REMARK 290                                                                      
REMARK 290 CRYSTALLOGRAPHIC SYMMETRY                                            
REMARK 290 SYMMETRY OPERATORS FOR SPACE GROUP: P 32 2 1                         
REMARK 290                                                                      
REMARK 290      SYMOP   SYMMETRY                                                
REMARK 290     NNNMMM   OPERATOR                                                
REMARK 290       1555   X,Y,Z                                                   
REMARK 290       2555   -Y,X-Y,Z+2/3                                            
REMARK 290       3555   -X+Y,-X,Z+1/3                                           
REMARK 290       4555   Y,X,-Z                                                  
REMARK 290       5555   X-Y,-Y,-Z+1/3                                           
REMARK 290       6555   -X,-X+Y,-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       26.77800            
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       13.38900            
REMARK 290   SMTRY1   4 -0.500000  0.866025  0.000000        0.00000            
REMARK 290   SMTRY2   4  0.866025  0.500000  0.000000        0.00000            
REMARK 290   SMTRY3   4  0.000000  0.000000 -1.000000        0.00000            
REMARK 290   SMTRY1   5  1.000000  0.000000  0.000000        0.00000            
REMARK 290   SMTRY2   5  0.000000 -1.000000  0.000000        0.00000            
REMARK 290   SMTRY3   5  0.000000  0.000000 -1.000000       13.38900            
REMARK 290   SMTRY1   6 -0.500000 -0.866025  0.000000        0.00000            
REMARK 290   SMTRY2   6 -0.866025  0.500000  0.000000        0.00000            
REMARK 290   SMTRY3   6  0.000000  0.000000 -1.000000       26.77800            
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: MONOMERIC                         
REMARK 350 SOFTWARE DETERMINED QUATERNARY STRUCTURE: MONOMERIC                  
REMARK 350 SOFTWARE USED: PISA                                                  
REMARK 350 TOTAL BURIED SURFACE AREA: 890 ANGSTROM**2                           
REMARK 350 SURFACE AREA OF THE COMPLEX: 4330 ANGSTROM**2                        
REMARK 350 CHANGE IN SOLVENT FREE ENERGY: -8.0 KCAL/MOL                         
REMARK 350 APPLY THE FOLLOWING TO CHAINS: A                                     
REMARK 350   BIOMT1   1  1.000000  0.000000  0.000000        0.00000            
REMARK 350   BIOMT2   1  0.000000  1.000000  0.000000        0.00000            
REMARK 350   BIOMT3   1  0.000000  0.000000  1.000000        0.00000            
REMARK 375                                                                      
REMARK 375 SPECIAL POSITION                                                     
REMARK 375 THE FOLLOWING ATOMS ARE FOUND TO BE WITHIN 0.15 ANGSTROMS            
REMARK 375 OF A SYMMETRY RELATED ATOM AND ARE ASSUMED TO BE ON SPECIAL          
REMARK 375 POSITIONS.                                                           
REMARK 375                                                                      
REMARK 375 ATOM RES CSSEQI                                                      
REMARK 375      HOH A 235  LIES ON A SPECIAL POSITION.                          
REMARK 375      HOH A 237  LIES ON A SPECIAL POSITION.                          
REMARK 500                                                                      
REMARK 500 GEOMETRY AND STEREOCHEMISTRY                                         
REMARK 500 SUBTOPIC: COVALENT BOND ANGLES                                       
REMARK 500                                                                      
REMARK 500 THE STEREOCHEMICAL PARAMETERS OF THE FOLLOWING RESIDUES              
REMARK 500 HAVE VALUES WHICH DEVIATE FROM EXPECTED VALUES BY MORE               
REMARK 500 THAN 6*RMSD (M=MODEL NUMBER; RES=RESIDUE NAME; C=CHAIN               
REMARK 500 IDENTIFIER; SSEQ=SEQUENCE NUMBER; I=INSERTION CODE).                 
REMARK 500                                                                      
REMARK 500 STANDARD TABLE:                                                      
REMARK 500 FORMAT: (10X,I3,1X,A3,1X,A1,I4,A1,3(1X,A4,2X),12X,F5.1)              
REMARK 500                                                                      
REMARK 500 EXPECTED VALUES PROTEIN: ENGH AND HUBER, 1999                        
REMARK 500 EXPECTED VALUES NUCLEIC ACID: CLOWNEY ET AL 1996                     
REMARK 500                                                                      
REMARK 500  M RES CSSEQI ATM1   ATM2   ATM3                                     
REMARK 500     DG A  11   O4' -  C1' -  N9  ANGL. DEV. =  -4.3 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                               K A 104   K                            
REMARK 620 N RES CSSEQI ATOM                                                    
REMARK 620 1  DT A   1   O2                                                     
REMARK 620 2  DT A   7   O2   79.9                                              
REMARK 620 3  DT A  13   O4   84.3 147.2                                        
REMARK 620 4 HOH A 225   O   101.8  29.5 169.2                                  
REMARK 620 5 HOH A 227   O    70.3  49.7  97.8  76.2                            
REMARK 620 N                    1     2     3     4                             
REMARK 620                                                                      
REMARK 620 COORDINATION ANGLES FOR:  M RES CSSEQI METAL                         
REMARK 620                               K A 101   K                            
REMARK 620 N RES CSSEQI ATOM                                                    
REMARK 620 1  DG A   2   O6                                                     
REMARK 620 2  DG A   3   O6   78.1                                              
REMARK 620 3  DG A   5   O6   69.5  89.8                                        
REMARK 620 4  DG A   5   O6   69.7  90.3   0.5                                  
REMARK 620 5  DG A   6   O6  133.1  64.9  82.1  82.2                            
REMARK 620 6  DG A   8   O6  105.6 155.7  69.9  69.4  98.1                      
REMARK 620 7  DG A   9   O6  155.5 103.5 134.4 134.1  65.8  83.1                
REMARK 620 8  DG A  11   O6   71.4 133.0 111.0 110.7 155.5  69.1  91.4          
REMARK 620 9  DG A  12   O6   91.9  68.1 154.0 154.6  99.5 134.5  67.0  77.9    
REMARK 620 N                    1     2     3     4     5     6     7     8     
REMARK 620                                                                      
REMARK 620 COORDINATION ANGLES FOR:  M RES CSSEQI METAL                         
REMARK 620                               K A 102   K                            
REMARK 620 N RES CSSEQI ATOM                                                    
REMARK 620 1  DG A   3   O6                                                     
REMARK 620 2  DG A   6   O6   67.0                                              
REMARK 620 3  DG A   9   O6  101.6  67.3                                        
REMARK 620 4  DG A  12   O6   67.5 103.3  65.8                                  
REMARK 620 5  DG A  15   O6   91.1 152.9 135.9  81.2                            
REMARK 620 6  DG A  18   O6  151.5 138.3  83.5  90.0  67.5                      
REMARK 620 7  DG A  21   O6  137.8  84.3  94.5 152.8 104.0  68.4                
REMARK 620 8  DG A  24   O6   84.0  93.0 154.6 137.4  67.9 103.5  66.6          
REMARK 620 N                    1     2     3     4     5     6     7           
REMARK 620                                                                      
REMARK 620 COORDINATION ANGLES FOR:  M RES CSSEQI METAL                         
REMARK 620                              MG A 105  MG                            
REMARK 620 N RES CSSEQI ATOM                                                    
REMARK 620 1  DG A  12   OP2                                                    
REMARK 620 2 HOH A 207   O    94.2                                              
REMARK 620 3 HOH A 211   O    97.8  86.5                                        
REMARK 620 4 HOH A 220   O   167.4  82.7  94.3                                  
REMARK 620 5 HOH A 226   O    81.1 173.1  89.1 103.0                            
REMARK 620 6 HOH A 229   O    86.2  79.7 165.9  81.2 104.9                      
REMARK 620 N                    1     2     3     4     5                       
REMARK 620                                                                      
REMARK 620 COORDINATION ANGLES FOR:  M RES CSSEQI METAL                         
REMARK 620                               K A 103   K                            
REMARK 620 N RES CSSEQI ATOM                                                    
REMARK 620 1  DG A  15   O6                                                     
REMARK 620 2  DG A  17   O6   94.6                                              
REMARK 620 3  DG A  18   O6   66.6  81.6                                        
REMARK 620 4  DG A  20   O6  156.4  68.4  94.0                                  
REMARK 620 5  DG A  21   O6  102.2 133.1  66.3  80.2                            
REMARK 620 6  DG A  23   O6  132.7 104.7 157.7  69.5  95.3                      
REMARK 620 7  DG A  24   O6   68.0 158.6 101.5 131.8  65.5  80.6                
REMARK 620 8  DG A  26   O6   75.4  72.5 131.6 112.4 154.1  70.2  90.4          
REMARK 620 9 HOH A 217   O   126.7  51.9 130.0  55.6 131.0  52.8 128.5  56.8    
REMARK 620 N                    1     2     3     4     5     6     7     8     
REMARK 800                                                                      
REMARK 800 SITE                                                                 
REMARK 800 SITE_IDENTIFIER: AC1                                                 
REMARK 800 EVIDENCE_CODE: SOFTWARE                                              
REMARK 800 SITE_DESCRIPTION: binding site for residue K A 101                   
REMARK 800                                                                      
REMARK 800 SITE_IDENTIFIER: AC2                                                 
REMARK 800 EVIDENCE_CODE: SOFTWARE                                              
REMARK 800 SITE_DESCRIPTION: binding site for residue K A 102                   
REMARK 800                                                                      
REMARK 800 SITE_IDENTIFIER: AC3                                                 
REMARK 800 EVIDENCE_CODE: SOFTWARE                                              
REMARK 800 SITE_DESCRIPTION: binding site for residue K A 103                   
REMARK 800                                                                      
REMARK 800 SITE_IDENTIFIER: AC4                                                 
REMARK 800 EVIDENCE_CODE: SOFTWARE                                              
REMARK 800 SITE_DESCRIPTION: binding site for residue K A 104                   
REMARK 800                                                                      
REMARK 800 SITE_IDENTIFIER: AC5                                                 
REMARK 800 EVIDENCE_CODE: SOFTWARE                                              
REMARK 800 SITE_DESCRIPTION: binding site for residue MG A 105                  
DBREF  4U5M A    1    28  PDB    4U5M     4U5M             1     28             
SEQRES   1 A   28   DT  DG  DG  DT  DG  DG  DT  DG  DG  DT  DG  DG  DT          
SEQRES   2 A   28   DT  DG  DT  DG  DG  DT  DG  DG  DT  DG  DG  DT  DG          
SEQRES   3 A   28   DT  DT                                                      
HET      K  A 101       1                                                       
HET      K  A 102       1                                                       
HET      K  A 103       1                                                       
HET      K  A 104       1                                                       
HET     MG  A 105       1                                                       
HETNAM       K POTASSIUM ION                                                    
HETNAM      MG MAGNESIUM ION                                                    
FORMUL   2    K    4(K 1+)                                                      
FORMUL   6   MG    MG 2+                                                        
FORMUL   7  HOH   *94(H2 O)                                                     
LINK         O2   DT A   1                 K     K A 104     1555   1555  2.66  
LINK         O6   DG A   2                 K     K A 101     1555   1555  2.78  
LINK         O6   DG A   3                 K     K A 101     1555   1555  2.86  
LINK         O6   DG A   3                 K     K A 102     1555   1555  2.87  
LINK         O6 A DG A   5                 K     K A 101     1555   1555  2.75  
LINK         O6 B DG A   5                 K     K A 101     1555   1555  2.76  
LINK         O6   DG A   6                 K     K A 101     1555   1555  2.95  
LINK         O6   DG A   6                 K     K A 102     1555   1555  2.77  
LINK         O2   DT A   7                 K     K A 104     1555   5555  2.75  
LINK         O6   DG A   8                 K     K A 101     1555   1555  2.90  
LINK         O6   DG A   9                 K     K A 101     1555   1555  2.82  
LINK         O6   DG A   9                 K     K A 102     1555   1555  2.89  
LINK         O6   DG A  11                 K     K A 101     1555   1555  2.81  
LINK         O6   DG A  12                 K     K A 101     1555   1555  2.77  
LINK         O6   DG A  12                 K     K A 102     1555   1555  2.80  
LINK         OP2  DG A  12                MG    MG A 105     1555   1555  2.33  
LINK         O4   DT A  13                 K     K A 104     1555   1555  2.60  
LINK         O6   DG A  15                 K     K A 102     1555   1555  2.82  
LINK         O6   DG A  15                 K     K A 103     1555   1555  2.81  
LINK         O6   DG A  17                 K     K A 103     1555   1555  2.87  
LINK         O6   DG A  18                 K     K A 102     1555   1555  2.76  
LINK         O6   DG A  18                 K     K A 103     1555   1555  2.84  
LINK         O6   DG A  20                 K     K A 103     1555   1555  2.86  
LINK         O6   DG A  21                 K     K A 102     1555   1555  2.82  
LINK         O6   DG A  21                 K     K A 103     1555   1555  2.90  
LINK         O6   DG A  23                 K     K A 103     1555   1555  2.91  
LINK         O6   DG A  24                 K     K A 102     1555   1555  2.84  
LINK         O6   DG A  24                 K     K A 103     1555   1555  2.84  
LINK         O6   DG A  26                 K     K A 103     1555   1555  2.76  
LINK         K     K A 103                 O   HOH A 217     1555   5554  3.46  
LINK         K     K A 104                 O   HOH A 225     1555   5555  2.75  
LINK         K     K A 104                 O   HOH A 227     1555   1555  2.89  
LINK        MG    MG A 105                 O   HOH A 207     1555   1555  2.24  
LINK        MG    MG A 105                 O   HOH A 211     1555   1555  2.10  
LINK        MG    MG A 105                 O   HOH A 220     1555   4655  1.95  
LINK        MG    MG A 105                 O   HOH A 226     1555   1555  2.06  
LINK        MG    MG A 105                 O   HOH A 229     1555   1555  2.00  
SITE     1 AC1  9  DG A   2   DG A   3   DG A   5   DG A   6                    
SITE     2 AC1  9  DG A   8   DG A   9   DG A  11   DG A  12                    
SITE     3 AC1  9   K A 102                                                     
SITE     1 AC2 10  DG A   3   DG A   6   DG A   9   DG A  12                    
SITE     2 AC2 10  DG A  15   DG A  18   DG A  21   DG A  24                    
SITE     3 AC2 10   K A 101    K A 103                                          
SITE     1 AC3  9  DG A  15   DG A  17   DG A  18   DG A  20                    
SITE     2 AC3  9  DG A  21   DG A  23   DG A  24   DG A  26                    
SITE     3 AC3  9   K A 102                                                     
SITE     1 AC4  6  DT A   1   DT A   7   DG A   8   DT A  13                    
SITE     2 AC4  6 HOH A 225  HOH A 227                                          
SITE     1 AC5  6  DG A  12  HOH A 207  HOH A 211  HOH A 220                    
SITE     2 AC5  6 HOH A 226  HOH A 229                                          
CRYST1   51.886   51.886   40.167  90.00  90.00 120.00 P 32 2 1      6          
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      0.019273  0.011127  0.000000        0.00000                         
SCALE2      0.000000  0.022255  0.000000        0.00000                         
SCALE3      0.000000  0.000000  0.024896        0.00000