HEADER    DNA                                     03-MAY-06   2GW0              
TITLE     A D(TGGGGT)- SODIUM AND CALCIUM COMPLEX.                              
COMPND    MOL_ID: 1;                                                            
COMPND   2 MOLECULE: 5'-D(*TP*GP*GP*GP*GP*T)-3';                                
COMPND   3 CHAIN: A, B, C, D, E, F, G, H;                                       
COMPND   4 ENGINEERED: YES                                                      
SOURCE    MOL_ID: 1;                                                            
SOURCE   2 SYNTHETIC: YES;                                                      
SOURCE   3 OTHER_DETAILS: TETRAHYMENA TELOMERIC SEQUENCE.                       
KEYWDS    DNA, QUADRUPLEX, G-QUADRUPLEX, TETRAPLEX, G-TETRAPLEX, QUADRUPLE      
KEYWDS   2 HELIX, PARALLEL-STRANDED, D(TGGGGT), HYDRATED CALCIUM ION, CALCIUM,  
KEYWDS   3 CALCIUM ION, SODIUM, SODIUM ION.                                     
EXPDTA    X-RAY DIFFRACTION                                                     
AUTHOR    M.P.H.LEE,G.N.PARKINSON,S.NEIDLE                                      
REVDAT   6   30-AUG-23 2GW0    1       REMARK LINK                              
REVDAT   5   24-JUL-19 2GW0    1       REMARK                                   
REVDAT   4   18-OCT-17 2GW0    1       REMARK                                   
REVDAT   3   24-FEB-09 2GW0    1       VERSN                                    
REVDAT   2   23-SEP-08 2GW0    1       JRNL                                     
REVDAT   1   15-MAY-07 2GW0    0                                                
JRNL        AUTH   M.P.LEE,G.N.PARKINSON,P.HAZEL,S.NEIDLE                       
JRNL        TITL   OBSERVATION OF THE COEXISTENCE OF SODIUM AND CALCIUM IONS IN 
JRNL        TITL 2 A DNA G-QUADRUPLEX ION CHANNEL.                              
JRNL        REF    J.AM.CHEM.SOC.                V. 129 10106 2007              
JRNL        REFN                   ISSN 0002-7863                               
JRNL        PMID   17661470                                                     
JRNL        DOI    10.1021/JA0740869                                            
REMARK   2                                                                      
REMARK   2 RESOLUTION.    1.55 ANGSTROMS.                                       
REMARK   3                                                                      
REMARK   3 REFINEMENT.                                                          
REMARK   3   PROGRAM     : SHELXL-97                                            
REMARK   3   AUTHORS     : G.M.SHELDRICK                                        
REMARK   3                                                                      
REMARK   3  DATA USED IN REFINEMENT.                                            
REMARK   3   RESOLUTION RANGE HIGH (ANGSTROMS) : 1.55                           
REMARK   3   RESOLUTION RANGE LOW  (ANGSTROMS) : 8.00                           
REMARK   3   DATA CUTOFF            (SIGMA(F)) : 4.000                          
REMARK   3   COMPLETENESS FOR RANGE        (%) : 92.2                           
REMARK   3   CROSS-VALIDATION METHOD           : THROUGHOUT                     
REMARK   3   FREE R VALUE TEST SET SELECTION   : RANDOM                         
REMARK   3                                                                      
REMARK   3  FIT TO DATA USED IN REFINEMENT (NO CUTOFF).                         
REMARK   3   R VALUE   (WORKING + TEST SET, NO CUTOFF) : 0.176                  
REMARK   3   R VALUE          (WORKING SET, NO CUTOFF) : 0.174                  
REMARK   3   FREE R VALUE                  (NO CUTOFF) : 0.224                  
REMARK   3   FREE R VALUE TEST SET SIZE (%, NO CUTOFF) : 10.008                 
REMARK   3   FREE R VALUE TEST SET COUNT   (NO CUTOFF) : 1234                   
REMARK   3   TOTAL NUMBER OF REFLECTIONS   (NO CUTOFF) : 12330                  
REMARK   3                                                                      
REMARK   3  FIT/AGREEMENT OF MODEL FOR DATA WITH F>4SIG(F).                     
REMARK   3   R VALUE   (WORKING + TEST SET, F>4SIG(F)) : 0.165                  
REMARK   3   R VALUE          (WORKING SET, F>4SIG(F)) : 0.163                  
REMARK   3   FREE R VALUE                  (F>4SIG(F)) : 0.208                  
REMARK   3   FREE R VALUE TEST SET SIZE (%, F>4SIG(F)) : 9.846                  
REMARK   3   FREE R VALUE TEST SET COUNT   (F>4SIG(F)) : 1120                   
REMARK   3   TOTAL NUMBER OF REFLECTIONS   (F>4SIG(F)) : 11375                  
REMARK   3                                                                      
REMARK   3  NUMBER OF NON-HYDROGEN ATOMS USED IN REFINEMENT.                    
REMARK   3   PROTEIN ATOMS      : 0                                             
REMARK   3   NUCLEIC ACID ATOMS : 968                                           
REMARK   3   HETEROGEN ATOMS    : 12                                            
REMARK   3   SOLVENT ATOMS      : 191                                           
REMARK   3                                                                      
REMARK   3  MODEL REFINEMENT.                                                   
REMARK   3   OCCUPANCY SUM OF NON-HYDROGEN ATOMS      : 1171.0                  
REMARK   3   OCCUPANCY SUM OF HYDROGEN ATOMS          : 0.00                    
REMARK   3   NUMBER OF DISCRETELY DISORDERED RESIDUES : 0                       
REMARK   3   NUMBER OF LEAST-SQUARES PARAMETERS       : 4727                    
REMARK   3   NUMBER OF RESTRAINTS                     : 4774                    
REMARK   3                                                                      
REMARK   3  RMS DEVIATIONS FROM RESTRAINT TARGET VALUES.                        
REMARK   3   BOND LENGTHS                         (A) : 0.008                   
REMARK   3   ANGLE DISTANCES                      (A) : 0.028                   
REMARK   3   SIMILAR DISTANCES (NO TARGET VALUES) (A) : 0.000                   
REMARK   3   DISTANCES FROM RESTRAINT PLANES      (A) : 0.013                   
REMARK   3   ZERO CHIRAL VOLUMES               (A**3) : 0.000                   
REMARK   3   NON-ZERO CHIRAL VOLUMES           (A**3) : 0.008                   
REMARK   3   ANTI-BUMPING DISTANCE RESTRAINTS     (A) : 0.019                   
REMARK   3   RIGID-BOND ADP COMPONENTS         (A**2) : 0.002                   
REMARK   3   SIMILAR ADP COMPONENTS            (A**2) : 0.051                   
REMARK   3   APPROXIMATELY ISOTROPIC ADPS      (A**2) : 0.000                   
REMARK   3                                                                      
REMARK   3  BULK SOLVENT MODELING.                                              
REMARK   3   METHOD USED: MOEWS & KRETSINGER, J.MOL.BIOL.91(1973)201-228        
REMARK   3                                                                      
REMARK   3  STEREOCHEMISTRY TARGET VALUES : ENGH & HUBER                        
REMARK   3   SPECIAL CASE: NULL                                                 
REMARK   3                                                                      
REMARK   3  OTHER REFINEMENT REMARKS: NULL                                      
REMARK   4                                                                      
REMARK   4 2GW0 COMPLIES WITH FORMAT V. 3.30, 13-JUL-11                         
REMARK 100                                                                      
REMARK 100 THIS ENTRY HAS BEEN PROCESSED BY RCSB ON 05-MAY-06.                  
REMARK 100 THE DEPOSITION ID IS D_1000037616.                                   
REMARK 200                                                                      
REMARK 200 EXPERIMENTAL DETAILS                                                 
REMARK 200  EXPERIMENT TYPE                : X-RAY DIFFRACTION                  
REMARK 200  DATE OF DATA COLLECTION        : 11-DEC-03                          
REMARK 200  TEMPERATURE           (KELVIN) : 117.0                              
REMARK 200  PH                             : 6.50                               
REMARK 200  NUMBER OF CRYSTALS USED        : 1                                  
REMARK 200                                                                      
REMARK 200  SYNCHROTRON              (Y/N) : N                                  
REMARK 200  RADIATION SOURCE               : ROTATING ANODE                     
REMARK 200  BEAMLINE                       : NULL                               
REMARK 200  X-RAY GENERATOR MODEL          : RIGAKU RU200                       
REMARK 200  MONOCHROMATIC OR LAUE    (M/L) : M                                  
REMARK 200  WAVELENGTH OR RANGE        (A) : 1.54178                            
REMARK 200  MONOCHROMATOR                  : NI FILTER                          
REMARK 200  OPTICS                         : OSMIC FOCUSING MIRROR SYSTEM       
REMARK 200                                                                      
REMARK 200  DETECTOR TYPE                  : IMAGE PLATE                        
REMARK 200  DETECTOR MANUFACTURER          : RIGAKU RAXIS IV                    
REMARK 200  INTENSITY-INTEGRATION SOFTWARE : DENZO                              
REMARK 200  DATA SCALING SOFTWARE          : SCALEPACK                          
REMARK 200                                                                      
REMARK 200  NUMBER OF UNIQUE REFLECTIONS   : 12464                              
REMARK 200  RESOLUTION RANGE HIGH      (A) : 1.550                              
REMARK 200  RESOLUTION RANGE LOW       (A) : 25.000                             
REMARK 200  REJECTION CRITERIA  (SIGMA(I)) : -2.000                             
REMARK 200                                                                      
REMARK 200 OVERALL.                                                             
REMARK 200  COMPLETENESS FOR RANGE     (%) : 87.1                               
REMARK 200  DATA REDUNDANCY                : 2.850                              
REMARK 200  R MERGE                    (I) : 0.06100                            
REMARK 200  R SYM                      (I) : NULL                               
REMARK 200  <I/SIGMA(I)> FOR THE DATA SET  : 27.2800                            
REMARK 200                                                                      
REMARK 200 IN THE HIGHEST RESOLUTION SHELL.                                     
REMARK 200  HIGHEST RESOLUTION SHELL, RANGE HIGH (A) : 1.55                     
REMARK 200  HIGHEST RESOLUTION SHELL, RANGE LOW  (A) : 1.61                     
REMARK 200  COMPLETENESS FOR SHELL     (%) : 80.0                               
REMARK 200  DATA REDUNDANCY IN SHELL       : NULL                               
REMARK 200  R MERGE FOR SHELL          (I) : 0.20000                            
REMARK 200  R SYM FOR SHELL            (I) : NULL                               
REMARK 200  <I/SIGMA(I)> FOR SHELL         : 8.620                              
REMARK 200                                                                      
REMARK 200 DIFFRACTION PROTOCOL: SINGLE WAVELENGTH                              
REMARK 200 METHOD USED TO DETERMINE THE STRUCTURE: MOLECULAR REPLACEMENT        
REMARK 200 SOFTWARE USED: EPMR                                                  
REMARK 200 STARTING MODEL: THE FIRST QUADRUPLEX MOLECULE OF NDB ENTRY CODE      
REMARK 200  UDF062 OR PDB ENTRY CODE 352D WITH THYMINES REMOVED.                
REMARK 200                                                                      
REMARK 200 REMARK: NULL                                                         
REMARK 280                                                                      
REMARK 280 CRYSTAL                                                              
REMARK 280 SOLVENT CONTENT, VS   (%): 24.79                                     
REMARK 280 MATTHEWS COEFFICIENT, VM (ANGSTROMS**3/DA): 1.63                     
REMARK 280                                                                      
REMARK 280 CRYSTALLIZATION CONDITIONS: CALCIUM CHLORIDE, DNA, DISTAMYCIN A,     
REMARK 280  SODIUM CHLORIDE, MPD, SPERMINE TETRAHYDROCHLORIDE, SODIUM           
REMARK 280  CACODYLATE BUFFER, VAPOR DIFFUSION, HANGING DROP, TEMPERATURE       
REMARK 280  277K, PH 6.50                                                       
REMARK 290                                                                      
REMARK 290 CRYSTALLOGRAPHIC SYMMETRY                                            
REMARK 290 SYMMETRY OPERATORS FOR SPACE GROUP: P 1                              
REMARK 290                                                                      
REMARK 290      SYMOP   SYMMETRY                                                
REMARK 290     NNNMMM   OPERATOR                                                
REMARK 290       1555   X,Y,Z                                                   
REMARK 290                                                                      
REMARK 290     WHERE NNN -> OPERATOR NUMBER                                     
REMARK 290           MMM -> TRANSLATION VECTOR                                  
REMARK 290                                                                      
REMARK 290 CRYSTALLOGRAPHIC SYMMETRY TRANSFORMATIONS                            
REMARK 290 THE FOLLOWING TRANSFORMATIONS OPERATE ON THE ATOM/HETATM             
REMARK 290 RECORDS IN THIS ENTRY TO PRODUCE CRYSTALLOGRAPHICALLY                
REMARK 290 RELATED MOLECULES.                                                   
REMARK 290   SMTRY1   1  1.000000  0.000000  0.000000        0.00000            
REMARK 290   SMTRY2   1  0.000000  1.000000  0.000000        0.00000            
REMARK 290   SMTRY3   1  0.000000  0.000000  1.000000        0.00000            
REMARK 290                                                                      
REMARK 290 REMARK: NULL                                                         
REMARK 300                                                                      
REMARK 300 BIOMOLECULE: 1, 2                                                    
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: TETRAMERIC                        
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                                                                      
REMARK 350 BIOMOLECULE: 2                                                       
REMARK 350 AUTHOR DETERMINED BIOLOGICAL UNIT: TETRAMERIC                        
REMARK 350 APPLY THE FOLLOWING TO CHAINS: E, F, G, H                            
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 470                                                                      
REMARK 470 MISSING ATOM                                                         
REMARK 470 THE FOLLOWING RESIDUES HAVE MISSING ATOMS (M=MODEL NUMBER;           
REMARK 470 RES=RESIDUE NAME; C=CHAIN IDENTIFIER; SSEQ=SEQUENCE NUMBER;          
REMARK 470 I=INSERTION CODE):                                                   
REMARK 470   M RES CSSEQI  ATOMS                                                
REMARK 470      DT C  18    C5'  C4'  O4'  C3'  O3'  C2'  C1'                   
REMARK 470      DT C  18    N1   C2   O2   N3   C4   O4   C5                    
REMARK 470      DT C  18    C7   C6                                             
REMARK 470      DT G  42    C5'  C4'  O4'  C3'  O3'  C2'  C1'                   
REMARK 470      DT G  42    N1   C2   O2   N3   C4   O4   C5                    
REMARK 470      DT G  42    C7   C6                                             
REMARK 500                                                                      
REMARK 500 GEOMETRY AND STEREOCHEMISTRY                                         
REMARK 500 SUBTOPIC: CLOSE CONTACTS IN SAME ASYMMETRIC UNIT                     
REMARK 500                                                                      
REMARK 500 THE FOLLOWING ATOMS ARE IN CLOSE CONTACT.                            
REMARK 500                                                                      
REMARK 500  ATM1  RES C  SSEQI   ATM2  RES C  SSEQI           DISTANCE          
REMARK 500   O    HOH C    82     O    HOH D    81              2.13            
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     DG A   2   O4' -  C1' -  N9  ANGL. DEV. =   3.7 DEGREES          
REMARK 500     DG A   4   O4' -  C1' -  N9  ANGL. DEV. =  -7.5 DEGREES          
REMARK 500     DT A   6   O4' -  C4' -  C3' ANGL. DEV. =  -3.3 DEGREES          
REMARK 500     DT B   7   O4' -  C1' -  N1  ANGL. DEV. =  -4.5 DEGREES          
REMARK 500     DG B  10   O4' -  C1' -  N9  ANGL. DEV. =  -7.0 DEGREES          
REMARK 500     DT B  12   O4' -  C1' -  N1  ANGL. DEV. =  -5.3 DEGREES          
REMARK 500     DT C  13   C3' -  C2' -  C1' ANGL. DEV. =  -5.9 DEGREES          
REMARK 500     DG C  14   O4' -  C1' -  N9  ANGL. DEV. =   3.3 DEGREES          
REMARK 500     DG C  16   O4' -  C1' -  N9  ANGL. DEV. =  -5.9 DEGREES          
REMARK 500     DT D  19   C3' -  O3' -  P   ANGL. DEV. =   9.4 DEGREES          
REMARK 500     DG D  22   O4' -  C1' -  N9  ANGL. DEV. =  -5.3 DEGREES          
REMARK 500     DT E  30   N1  -  C1' -  C2' ANGL. DEV. =  10.1 DEGREES          
REMARK 500     DT E  30   O4' -  C1' -  N1  ANGL. DEV. = -10.5 DEGREES          
REMARK 500     DG F  32   C6  -  N1  -  C2  ANGL. DEV. =  -3.8 DEGREES          
REMARK 500     DG F  32   C2  -  N3  -  C4  ANGL. DEV. =   3.4 DEGREES          
REMARK 500     DG F  32   N3  -  C4  -  C5  ANGL. DEV. =  -4.2 DEGREES          
REMARK 500     DG F  34   O4' -  C1' -  N9  ANGL. DEV. =  -7.6 DEGREES          
REMARK 500     DT G  37   O4' -  C1' -  N1  ANGL. DEV. =  -5.2 DEGREES          
REMARK 500     DG G  41   O4' -  C1' -  N9  ANGL. DEV. =  -4.7 DEGREES          
REMARK 500     DT H  43   O4' -  C1' -  N1  ANGL. DEV. =  -5.4 DEGREES          
REMARK 500     DG H  46   N9  -  C1' -  C2' ANGL. DEV. =   8.8 DEGREES          
REMARK 500     DG H  46   O4' -  C1' -  N9  ANGL. DEV. =  -8.3 DEGREES          
REMARK 500     DT H  48   O4' -  C4' -  C3' 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                              CA A  54  CA                            
REMARK 620 N RES CSSEQI ATOM                                                    
REMARK 620 1  DG A   2   O6                                                     
REMARK 620 2  DG A   3   O6   78.7                                              
REMARK 620 3  DG B   8   O6   65.1 133.6                                        
REMARK 620 4  DG B   9   O6   89.9  72.2  79.4                                  
REMARK 620 5  DG C  14   O6   97.7 152.5  64.7 135.3                            
REMARK 620 6  DG C  15   O6  154.9 115.1  91.7  75.8  79.3                      
REMARK 620 7  DG D  20   O6   64.2  89.8  98.8 151.3  64.7 132.8                
REMARK 620 8  DG D  21   O6  130.6  70.7 155.7 115.2  92.6  74.6  77.6          
REMARK 620 N                    1     2     3     4     5     6     7           
REMARK 620                                                                      
REMARK 620 COORDINATION ANGLES FOR:  M RES CSSEQI METAL                         
REMARK 620                              CA A  55  CA                            
REMARK 620 N RES CSSEQI ATOM                                                    
REMARK 620 1  DG A   2   O6                                                     
REMARK 620 2  DG B   8   O6   69.9                                              
REMARK 620 3  DG C  14   O6  111.2  71.4                                        
REMARK 620 4  DG D  20   O6   69.2 107.7  71.6                                  
REMARK 620 5  DG E  26   O6   72.0 117.2 171.3 102.9                            
REMARK 620 6  DG F  32   O6  114.2 175.7 105.4  73.5  66.2                      
REMARK 620 7  NA F  50  NA   122.1 127.0 126.7 125.1  50.6  52.4                
REMARK 620 8  DG G  38   O6  172.0 106.5  73.4 118.8 104.4  69.5  53.8          
REMARK 620 9  DG H  44   O6  102.7  73.8 117.7 170.0  68.3 105.8  53.4  69.3    
REMARK 620 N                    1     2     3     4     5     6     7     8     
REMARK 620                                                                      
REMARK 620 COORDINATION ANGLES FOR:  M RES CSSEQI METAL                         
REMARK 620                              CA D  53  CA                            
REMARK 620 N RES CSSEQI ATOM                                                    
REMARK 620 1  DG A   3   O6                                                     
REMARK 620 2  DG A   4   O6   78.5                                              
REMARK 620 3  DG B   9   O6   61.0 129.8                                        
REMARK 620 4  DG B  10   O6   90.1  76.7  75.2                                  
REMARK 620 5  DG C  15   O6   93.1 154.3  61.7 128.0                            
REMARK 620 6  DG C  16   O6  150.9 123.1  90.2  77.9  74.6                      
REMARK 620 7  DG D  21   O6   61.4  92.6  92.5 151.2  62.4 128.9                
REMARK 620 8  DG D  22   O6  126.9  76.2 152.0 127.2  90.4  80.3  74.1          
REMARK 620 N                    1     2     3     4     5     6     7           
REMARK 620                                                                      
REMARK 620 COORDINATION ANGLES FOR:  M RES CSSEQI METAL                         
REMARK 620                              NA A  49  NA                            
REMARK 620 N RES CSSEQI ATOM                                                    
REMARK 620 1  DG A   5   O6                                                     
REMARK 620 2  DG B  11   O6   89.4                                              
REMARK 620 3 HOH B  61   O    86.2  83.2                                        
REMARK 620 4  DG C  17   O6  175.1  89.1  88.9                                  
REMARK 620 5  DG D  23   O6   90.4 179.8  96.7  91.0                            
REMARK 620 N                    1     2     3     4                             
REMARK 620                                                                      
REMARK 620 COORDINATION ANGLES FOR:  M RES CSSEQI METAL                         
REMARK 620                              CA A  59  CA                            
REMARK 620 N RES CSSEQI ATOM                                                    
REMARK 620 1 HOH A  83   O                                                      
REMARK 620 2 HOH A  88   O    77.3                                              
REMARK 620 3 HOH D  84   O    78.5  97.1                                        
REMARK 620 4 HOH D  85   O   140.8  81.0  72.2                                  
REMARK 620 5 HOH D  87   O    74.7 113.9 132.6 144.4                            
REMARK 620 6 HOH F  86   O   130.1  79.8 148.4  76.3  75.2                      
REMARK 620 7  DT G  37   O2  109.0 169.7  76.8  89.2  76.0 101.1                
REMARK 620 N                    1     2     3     4     5     6                 
REMARK 620                                                                      
REMARK 620 COORDINATION ANGLES FOR:  M RES CSSEQI METAL                         
REMARK 620                              CA A  60  CA                            
REMARK 620 N RES CSSEQI ATOM                                                    
REMARK 620 1 HOH A  90   O                                                      
REMARK 620 2 HOH A  91   O    76.0                                              
REMARK 620 3 HOH A  93   O   139.6  76.0                                        
REMARK 620 4 HOH A  95   O    78.3 103.5  80.7                                  
REMARK 620 5 HOH B  89   O    71.9 120.4 148.3 117.0                            
REMARK 620 6 HOH B  92   O   124.3  81.2  78.9 157.2  77.5                      
REMARK 620 7 HOH B  94   O   132.1 151.1  76.4  80.2  80.9  85.2                
REMARK 620 N                    1     2     3     4     5     6                 
REMARK 620                                                                      
REMARK 620 COORDINATION ANGLES FOR:  M RES CSSEQI METAL                         
REMARK 620                              CA B  56  CA                            
REMARK 620 N RES CSSEQI ATOM                                                    
REMARK 620 1 HOH A  63   O                                                      
REMARK 620 2 HOH A  64   O    76.2                                              
REMARK 620 3 HOH A  67   O    77.9 140.9                                        
REMARK 620 4 HOH A 191   O    86.1  78.6  70.9                                  
REMARK 620 5 HOH B  68   O    79.4 110.3  93.0 160.3                            
REMARK 620 6 HOH E  65   O   130.5  72.9 145.1 123.3  76.4                      
REMARK 620 7 HOH E  66   O   151.6 131.2  74.7  91.9  94.7  73.2                
REMARK 620 N                    1     2     3     4     5     6                 
REMARK 620                                                                      
REMARK 620 COORDINATION ANGLES FOR:  M RES CSSEQI METAL                         
REMARK 620                              CA B  57  CA                            
REMARK 620 N RES CSSEQI ATOM                                                    
REMARK 620 1 HOH B  69   O                                                      
REMARK 620 2 HOH B  70   O    76.7                                              
REMARK 620 3 HOH B  71   O   143.9  74.0                                        
REMARK 620 4 HOH B  73   O    74.2 134.8 141.8                                  
REMARK 620 5 HOH C  74   O    77.4  96.9  85.6 109.5                            
REMARK 620 6  DT E  25   O2  101.1  79.9  94.1  72.8 176.7                      
REMARK 620 7 HOH H  72   O   125.0 154.2  80.5  69.8  77.2 106.1                
REMARK 620 N                    1     2     3     4     5     6                 
REMARK 620                                                                      
REMARK 620 COORDINATION ANGLES FOR:  M RES CSSEQI METAL                         
REMARK 620                              CA D  58  CA                            
REMARK 620 N RES CSSEQI ATOM                                                    
REMARK 620 1 HOH C  78   O                                                      
REMARK 620 2 HOH C  79   O    85.6                                              
REMARK 620 3 HOH C  82   O    68.3  84.0                                        
REMARK 620 4 HOH D  75   O   145.6 111.1 140.6                                  
REMARK 620 5 HOH D  77   O    80.7 153.7 111.1  71.4                            
REMARK 620 6 HOH D  80   O   140.2  75.0  75.2  74.2 128.7                      
REMARK 620 7 HOH D  81   O    87.2 135.6  52.9  99.1  66.2  83.3                
REMARK 620 8 HOH G  76   O    80.0  71.6 141.3  77.5  83.9 123.9 149.1          
REMARK 620 N                    1     2     3     4     5     6     7           
REMARK 620                                                                      
REMARK 620 COORDINATION ANGLES FOR:  M RES CSSEQI METAL                         
REMARK 620                              NA F  50  NA                            
REMARK 620 N RES CSSEQI ATOM                                                    
REMARK 620 1  DG E  26   O6                                                     
REMARK 620 2  DG E  27   O6   75.3                                              
REMARK 620 3  DG F  32   O6   68.4 136.8                                        
REMARK 620 4  DG F  33   O6   87.1  76.3  79.1                                  
REMARK 620 5  DG G  38   O6  108.5 146.5  70.0 136.2                            
REMARK 620 6  DG G  39   O6  149.1 121.4  84.0  73.8  72.8                      
REMARK 620 7  DG H  44   O6   70.8  80.8 107.5 151.6  69.9 133.6                
REMARK 620 8  DG H  45   O6  135.4  74.2 149.0 115.8  81.8  75.4  72.9          
REMARK 620 N                    1     2     3     4     5     6     7           
REMARK 620                                                                      
REMARK 620 COORDINATION ANGLES FOR:  M RES CSSEQI METAL                         
REMARK 620                              NA E  51  NA                            
REMARK 620 N RES CSSEQI ATOM                                                    
REMARK 620 1  DG E  28   O6                                                     
REMARK 620 2  DG F  33   O6  122.3                                              
REMARK 620 3  DG F  34   O6   78.2  74.3                                        
REMARK 620 4  DG G  40   O6  134.3  87.8  78.6                                  
REMARK 620 5  DG H  46   O6   81.3 153.0 127.5  82.5                            
REMARK 620 N                    1     2     3     4                             
REMARK 620                                                                      
REMARK 620 COORDINATION ANGLES FOR:  M RES CSSEQI METAL                         
REMARK 620                              NA E  52  NA                            
REMARK 620 N RES CSSEQI ATOM                                                    
REMARK 620 1  DG E  29   O6                                                     
REMARK 620 2 HOH E  62   O    84.8                                              
REMARK 620 3  DG F  35   O6   87.5  89.9                                        
REMARK 620 4  DG G  41   O6  179.5  94.8  92.8                                  
REMARK 620 5  DG H  47   O6   92.7  85.5 175.3  87.0                            
REMARK 620 N                    1     2     3     4                             
REMARK 800                                                                      
REMARK 800 SITE                                                                 
REMARK 800 SITE_IDENTIFIER: AC1                                                 
REMARK 800 EVIDENCE_CODE: SOFTWARE                                              
REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE NA A 49                   
REMARK 800                                                                      
REMARK 800 SITE_IDENTIFIER: AC2                                                 
REMARK 800 EVIDENCE_CODE: SOFTWARE                                              
REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE NA F 50                   
REMARK 800                                                                      
REMARK 800 SITE_IDENTIFIER: AC3                                                 
REMARK 800 EVIDENCE_CODE: SOFTWARE                                              
REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE NA E 51                   
REMARK 800                                                                      
REMARK 800 SITE_IDENTIFIER: AC4                                                 
REMARK 800 EVIDENCE_CODE: SOFTWARE                                              
REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE NA E 52                   
REMARK 800                                                                      
REMARK 800 SITE_IDENTIFIER: AC5                                                 
REMARK 800 EVIDENCE_CODE: SOFTWARE                                              
REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE CA D 53                   
REMARK 800                                                                      
REMARK 800 SITE_IDENTIFIER: AC6                                                 
REMARK 800 EVIDENCE_CODE: SOFTWARE                                              
REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE CA A 54                   
REMARK 800                                                                      
REMARK 800 SITE_IDENTIFIER: AC7                                                 
REMARK 800 EVIDENCE_CODE: SOFTWARE                                              
REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE CA A 55                   
REMARK 800                                                                      
REMARK 800 SITE_IDENTIFIER: AC8                                                 
REMARK 800 EVIDENCE_CODE: SOFTWARE                                              
REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE CA B 56                   
REMARK 800                                                                      
REMARK 800 SITE_IDENTIFIER: AC9                                                 
REMARK 800 EVIDENCE_CODE: SOFTWARE                                              
REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE CA B 57                   
REMARK 800                                                                      
REMARK 800 SITE_IDENTIFIER: BC1                                                 
REMARK 800 EVIDENCE_CODE: SOFTWARE                                              
REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE CA D 58                   
REMARK 800                                                                      
REMARK 800 SITE_IDENTIFIER: BC2                                                 
REMARK 800 EVIDENCE_CODE: SOFTWARE                                              
REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE CA A 59                   
REMARK 800                                                                      
REMARK 800 SITE_IDENTIFIER: BC3                                                 
REMARK 800 EVIDENCE_CODE: SOFTWARE                                              
REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE CA A 60                   
DBREF  2GW0 A    1     6  PDB    2GW0     2GW0             1      6             
DBREF  2GW0 B    7    12  PDB    2GW0     2GW0             7     12             
DBREF  2GW0 C   13    18  PDB    2GW0     2GW0            13     18             
DBREF  2GW0 D   19    24  PDB    2GW0     2GW0            19     24             
DBREF  2GW0 E   25    30  PDB    2GW0     2GW0            25     30             
DBREF  2GW0 F   31    36  PDB    2GW0     2GW0            31     36             
DBREF  2GW0 G   37    42  PDB    2GW0     2GW0            37     42             
DBREF  2GW0 H   43    48  PDB    2GW0     2GW0            43     48             
SEQRES   1 A    6   DT  DG  DG  DG  DG  DT                                      
SEQRES   1 B    6   DT  DG  DG  DG  DG  DT                                      
SEQRES   1 C    6   DT  DG  DG  DG  DG  DT                                      
SEQRES   1 D    6   DT  DG  DG  DG  DG  DT                                      
SEQRES   1 E    6   DT  DG  DG  DG  DG  DT                                      
SEQRES   1 F    6   DT  DG  DG  DG  DG  DT                                      
SEQRES   1 G    6   DT  DG  DG  DG  DG  DT                                      
SEQRES   1 H    6   DT  DG  DG  DG  DG  DT                                      
HET     NA  A  49       1                                                       
HET     CA  A  54       1                                                       
HET     CA  A  55       1                                                       
HET     CA  A  59       1                                                       
HET     CA  A  60       1                                                       
HET     CA  B  56       1                                                       
HET     CA  B  57       1                                                       
HET     CA  D  53       1                                                       
HET     CA  D  58       1                                                       
HET     NA  E  51       1                                                       
HET     NA  E  52       1                                                       
HET     NA  F  50       1                                                       
HETNAM      NA SODIUM ION                                                       
HETNAM      CA CALCIUM ION                                                      
FORMUL   9   NA    4(NA 1+)                                                     
FORMUL  10   CA    8(CA 2+)                                                     
FORMUL  21  HOH   *191(H2 O)                                                    
LINK         O6   DG A   2                CA    CA A  54     1555   1555  3.00  
LINK         O6   DG A   2                CA    CA A  55     1555   1555  2.80  
LINK         O6   DG A   3                CA    CA A  54     1555   1555  2.69  
LINK         O6   DG A   3                CA    CA D  53     1555   1555  3.03  
LINK         O6   DG A   4                CA    CA D  53     1555   1555  2.59  
LINK         O6   DG A   5                NA    NA A  49     1555   1555  2.35  
LINK        NA    NA A  49                 O6   DG B  11     1555   1555  2.30  
LINK        NA    NA A  49                 O   HOH B  61     1555   1555  2.47  
LINK        NA    NA A  49                 O6   DG C  17     1555   1555  2.35  
LINK        NA    NA A  49                 O6   DG D  23     1555   1555  2.28  
LINK        CA    CA A  54                 O6   DG B   8     1555   1555  2.87  
LINK        CA    CA A  54                 O6   DG B   9     1555   1555  2.61  
LINK        CA    CA A  54                 O6   DG C  14     1555   1555  2.93  
LINK        CA    CA A  54                 O6   DG C  15     1555   1555  2.69  
LINK        CA    CA A  54                 O6   DG D  20     1555   1555  2.90  
LINK        CA    CA A  54                 O6   DG D  21     1555   1555  2.74  
LINK        CA    CA A  55                 O6   DG B   8     1555   1555  2.71  
LINK        CA    CA A  55                 O6   DG C  14     1555   1555  2.61  
LINK        CA    CA A  55                 O6   DG D  20     1555   1555  2.72  
LINK        CA    CA A  55                 O6   DG E  26     1555   1555  2.79  
LINK        CA    CA A  55                 O6   DG F  32     1555   1555  2.75  
LINK        CA    CA A  55                NA    NA F  50     1555   1555  3.32  
LINK        CA    CA A  55                 O6   DG G  38     1555   1555  2.83  
LINK        CA    CA A  55                 O6   DG H  44     1555   1555  2.84  
LINK        CA    CA A  59                 O   HOH A  83     1555   1555  2.49  
LINK        CA    CA A  59                 O   HOH A  88     1555   1555  2.30  
LINK        CA    CA A  59                 O   HOH D  84     1555   1555  2.34  
LINK        CA    CA A  59                 O   HOH D  85     1555   1555  2.49  
LINK        CA    CA A  59                 O   HOH D  87     1555   1555  2.37  
LINK        CA    CA A  59                 O   HOH F  86     1555   1555  2.48  
LINK        CA    CA A  59                 O2   DT G  37     1555   1455  2.38  
LINK        CA    CA A  60                 O   HOH A  90     1555   1555  2.39  
LINK        CA    CA A  60                 O   HOH A  91     1555   1555  2.41  
LINK        CA    CA A  60                 O   HOH A  93     1555   1555  2.42  
LINK        CA    CA A  60                 O   HOH A  95     1555   1555  2.34  
LINK        CA    CA A  60                 O   HOH B  89     1555   1555  2.46  
LINK        CA    CA A  60                 O   HOH B  92     1555   1555  2.38  
LINK        CA    CA A  60                 O   HOH B  94     1555   1555  2.34  
LINK         O   HOH A  63                CA    CA B  56     1555   1555  2.50  
LINK         O   HOH A  64                CA    CA B  56     1555   1555  2.46  
LINK         O   HOH A  67                CA    CA B  56     1555   1555  2.39  
LINK         O   HOH A 191                CA    CA B  56     1555   1555  2.47  
LINK         O6   DG B   9                CA    CA D  53     1555   1555  3.13  
LINK         O6   DG B  10                CA    CA D  53     1555   1555  2.57  
LINK        CA    CA B  56                 O   HOH B  68     1555   1555  2.40  
LINK        CA    CA B  56                 O   HOH E  65     1555   1555  2.44  
LINK        CA    CA B  56                 O   HOH E  66     1555   1555  2.55  
LINK        CA    CA B  57                 O   HOH B  69     1555   1555  2.55  
LINK        CA    CA B  57                 O   HOH B  70     1555   1555  2.44  
LINK        CA    CA B  57                 O   HOH B  71     1555   1555  2.46  
LINK        CA    CA B  57                 O   HOH B  73     1555   1555  2.44  
LINK        CA    CA B  57                 O   HOH C  74     1555   1555  2.39  
LINK        CA    CA B  57                 O2   DT E  25     1555   1655  2.46  
LINK        CA    CA B  57                 O   HOH H  72     1555   1555  2.54  
LINK         O6   DG C  15                CA    CA D  53     1555   1555  3.22  
LINK         O6   DG C  16                CA    CA D  53     1555   1555  2.50  
LINK         O   HOH C  78                CA    CA D  58     1555   1555  2.36  
LINK         O   HOH C  79                CA    CA D  58     1555   1555  2.57  
LINK         O   HOH C  82                CA    CA D  58     1555   1555  2.29  
LINK         O6   DG D  21                CA    CA D  53     1555   1555  3.12  
LINK         O6   DG D  22                CA    CA D  53     1555   1555  2.47  
LINK        CA    CA D  58                 O   HOH D  75     1555   1555  2.38  
LINK        CA    CA D  58                 O   HOH D  77     1555   1555  2.46  
LINK        CA    CA D  58                 O   HOH D  80     1555   1555  2.47  
LINK        CA    CA D  58                 O   HOH D  81     1555   1555  2.48  
LINK        CA    CA D  58                 O   HOH G  76     1555   1555  2.42  
LINK         O6   DG E  26                NA    NA F  50     1555   1555  2.66  
LINK         O6   DG E  27                NA    NA F  50     1555   1555  2.55  
LINK         O6   DG E  28                NA    NA E  51     1555   1555  2.43  
LINK         O6   DG E  29                NA    NA E  52     1555   1555  2.31  
LINK        NA    NA E  51                 O6   DG F  33     1555   1555  2.97  
LINK        NA    NA E  51                 O6   DG F  34     1555   1555  2.59  
LINK        NA    NA E  51                 O6   DG G  40     1555   1555  2.51  
LINK        NA    NA E  51                 O6   DG H  46     1555   1555  2.38  
LINK        NA    NA E  52                 O   HOH E  62     1555   1555  2.38  
LINK        NA    NA E  52                 O6   DG F  35     1555   1555  2.33  
LINK        NA    NA E  52                 O6   DG G  41     1555   1555  2.34  
LINK        NA    NA E  52                 O6   DG H  47     1555   1555  2.25  
LINK         O6   DG F  32                NA    NA F  50     1555   1555  2.73  
LINK         O6   DG F  33                NA    NA F  50     1555   1555  2.46  
LINK        NA    NA F  50                 O6   DG G  38     1555   1555  2.82  
LINK        NA    NA F  50                 O6   DG G  39     1555   1555  2.59  
LINK        NA    NA F  50                 O6   DG H  44     1555   1555  2.80  
LINK        NA    NA F  50                 O6   DG H  45     1555   1555  2.58  
SITE     1 AC1  5  DG A   5   DG B  11  HOH B  61   DG C  17                    
SITE     2 AC1  5  DG D  23                                                     
SITE     1 AC2 10  CA A  55   DG E  26   DG E  27   NA E  51                    
SITE     2 AC2 10  DG F  32   DG F  33   DG G  38   DG G  39                    
SITE     3 AC2 10  DG H  44   DG H  45                                          
SITE     1 AC3  9  DG E  27   DG E  28   DG F  33   DG F  34                    
SITE     2 AC3  9  NA F  50   DG G  39   DG G  40   DG H  45                    
SITE     3 AC3  9  DG H  46                                                     
SITE     1 AC4  5  DG E  29  HOH E  62   DG F  35   DG G  41                    
SITE     2 AC4  5  DG H  47                                                     
SITE     1 AC5  9  DG A   3   DG A   4   CA A  54   DG B   9                    
SITE     2 AC5  9  DG B  10   DG C  15   DG C  16   DG D  21                    
SITE     3 AC5  9  DG D  22                                                     
SITE     1 AC6 10  DG A   2   DG A   3   CA A  55   DG B   8                    
SITE     2 AC6 10  DG B   9   DG C  14   DG C  15   DG D  20                    
SITE     3 AC6 10  DG D  21   CA D  53                                          
SITE     1 AC7 10  DG A   2   CA A  54   DG B   8   DG C  14                    
SITE     2 AC7 10  DG D  20   DG E  26   DG F  32   NA F  50                    
SITE     3 AC7 10  DG G  38   DG H  44                                          
SITE     1 AC8  7 HOH A  63  HOH A  64  HOH A  67  HOH A 191                    
SITE     2 AC8  7 HOH B  68  HOH E  65  HOH E  66                               
SITE     1 AC9  7 HOH B  69  HOH B  70  HOH B  71  HOH B  73                    
SITE     2 AC9  7 HOH C  74   DT E  25  HOH H  72                               
SITE     1 BC1  8 HOH C  78  HOH C  79  HOH C  82  HOH D  75                    
SITE     2 BC1  8 HOH D  77  HOH D  80  HOH D  81  HOH G  76                    
SITE     1 BC2  7 HOH A  83  HOH A  88  HOH D  84  HOH D  85                    
SITE     2 BC2  7 HOH D  87  HOH F  86   DT G  37                               
SITE     1 BC3  7 HOH A  90  HOH A  91  HOH A  93  HOH A  95                    
SITE     2 BC3  7 HOH B  89  HOH B  92  HOH B  94                               
CRYST1   27.357   27.911   34.969  89.11  75.63  79.70 P 1           8          
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      0.036554 -0.006643 -0.009570        0.00000                         
SCALE2      0.000000  0.036415  0.001103        0.00000                         
SCALE3      0.000000  0.000000  0.029534        0.00000