HEADER    RNA                                     24-APR-06   2GRB              
TITLE     CRYSTAL STRUCTURE OF AN RNA QUADRUPLEX CONTAINING INOSINE-TETRAD      
COMPND    MOL_ID: 1;                                                            
COMPND   2 MOLECULE: 5'-R(*(U33)P*GP*IP*GP*GP*U)-3';                            
COMPND   3 CHAIN: A, B, C, D, E, F, G, H;                                       
COMPND   4 ENGINEERED: YES                                                      
SOURCE    MOL_ID: 1;                                                            
SOURCE   2 SYNTHETIC: YES                                                       
KEYWDS    RNA QUADRUPLEX, RNA                                                   
EXPDTA    X-RAY DIFFRACTION                                                     
AUTHOR    B.PAN,K.SHI,M.SUNDARALINGAM                                           
REVDAT   3   14-FEB-24 2GRB    1       REMARK LINK                              
REVDAT   2   24-FEB-09 2GRB    1       VERSN                                    
REVDAT   1   21-NOV-06 2GRB    0                                                
JRNL        AUTH   B.PAN,K.SHI,M.SUNDARALINGAM                                  
JRNL        TITL   CRYSTAL STRUCTURE OF AN RNA QUADRUPLEX CONTAINING INOSINE    
JRNL        TITL 2 TETRAD: IMPLICATIONS FOR THE ROLES OF NH2 GROUP IN PURINE    
JRNL        TITL 3 TETRADS.                                                     
JRNL        REF    J.MOL.BIOL.                   V. 363   451 2006              
JRNL        REFN                   ISSN 0022-2836                               
JRNL        PMID   16978642                                                     
JRNL        DOI    10.1016/J.JMB.2006.08.022                                    
REMARK   2                                                                      
REMARK   2 RESOLUTION.    1.40 ANGSTROMS.                                       
REMARK   3                                                                      
REMARK   3 REFINEMENT.                                                          
REMARK   3   PROGRAM     : REFMAC 5.2.0005                                      
REMARK   3   AUTHORS     : MURSHUDOV,SKUBAK,LEBEDEV,PANNU,STEINER,              
REMARK   3               : NICHOLLS,WINN,LONG,VAGIN                             
REMARK   3                                                                      
REMARK   3    REFINEMENT TARGET : MAXIMUM LIKELIHOOD                            
REMARK   3                                                                      
REMARK   3  DATA USED IN REFINEMENT.                                            
REMARK   3   RESOLUTION RANGE HIGH (ANGSTROMS) : 1.40                           
REMARK   3   RESOLUTION RANGE LOW  (ANGSTROMS) : 8.00                           
REMARK   3   DATA CUTOFF            (SIGMA(F)) : 0.000                          
REMARK   3   COMPLETENESS FOR RANGE        (%) : 95.2                           
REMARK   3   NUMBER OF REFLECTIONS             : 19509                          
REMARK   3                                                                      
REMARK   3  FIT TO DATA USED IN REFINEMENT.                                     
REMARK   3   CROSS-VALIDATION METHOD          : THROUGHOUT                      
REMARK   3   FREE R VALUE TEST SET SELECTION  : RANDOM                          
REMARK   3   R VALUE     (WORKING + TEST SET) : 0.198                           
REMARK   3   R VALUE            (WORKING SET) : 0.195                           
REMARK   3   FREE R VALUE                     : 0.250                           
REMARK   3   FREE R VALUE TEST SET SIZE   (%) : 4.900                           
REMARK   3   FREE R VALUE TEST SET COUNT      : 1006                            
REMARK   3                                                                      
REMARK   3  FIT IN THE HIGHEST RESOLUTION BIN.                                  
REMARK   3   TOTAL NUMBER OF BINS USED           : 20                           
REMARK   3   BIN RESOLUTION RANGE HIGH       (A) : 1.40                         
REMARK   3   BIN RESOLUTION RANGE LOW        (A) : 1.44                         
REMARK   3   REFLECTION IN BIN     (WORKING SET) : 1011                         
REMARK   3   BIN COMPLETENESS (WORKING+TEST) (%) : 69.20                        
REMARK   3   BIN R VALUE           (WORKING SET) : 0.3970                       
REMARK   3   BIN FREE R VALUE SET COUNT          : 47                           
REMARK   3   BIN FREE R VALUE                    : 0.4190                       
REMARK   3                                                                      
REMARK   3  NUMBER OF NON-HYDROGEN ATOMS USED IN REFINEMENT.                    
REMARK   3   PROTEIN ATOMS            : 0                                       
REMARK   3   NUCLEIC ACID ATOMS       : 970                                     
REMARK   3   HETEROGEN ATOMS          : 12                                      
REMARK   3   SOLVENT ATOMS            : 178                                     
REMARK   3                                                                      
REMARK   3  B VALUES.                                                           
REMARK   3   FROM WILSON PLOT           (A**2) : NULL                           
REMARK   3   MEAN B VALUE      (OVERALL, A**2) : 29.06                          
REMARK   3   OVERALL ANISOTROPIC B VALUE.                                       
REMARK   3    B11 (A**2) : 0.36000                                              
REMARK   3    B22 (A**2) : -2.35000                                             
REMARK   3    B33 (A**2) : 1.24000                                              
REMARK   3    B12 (A**2) : 0.00000                                              
REMARK   3    B13 (A**2) : -1.66000                                             
REMARK   3    B23 (A**2) : 0.00000                                              
REMARK   3                                                                      
REMARK   3  ESTIMATED OVERALL COORDINATE ERROR.                                 
REMARK   3   ESU BASED ON R VALUE                            (A): 0.103         
REMARK   3   ESU BASED ON FREE R VALUE                       (A): 0.089         
REMARK   3   ESU BASED ON MAXIMUM LIKELIHOOD                 (A): 0.069         
REMARK   3   ESU FOR B VALUES BASED ON MAXIMUM LIKELIHOOD (A**2): 4.136         
REMARK   3                                                                      
REMARK   3 CORRELATION COEFFICIENTS.                                            
REMARK   3   CORRELATION COEFFICIENT FO-FC      : 0.967                         
REMARK   3   CORRELATION COEFFICIENT FO-FC FREE : 0.945                         
REMARK   3                                                                      
REMARK   3  RMS DEVIATIONS FROM IDEAL VALUES        COUNT    RMS    WEIGHT      
REMARK   3   BOND LENGTHS REFINED ATOMS        (A):  1069 ; 0.010 ; 0.021       
REMARK   3   BOND LENGTHS OTHERS               (A):  NULL ;  NULL ;  NULL       
REMARK   3   BOND ANGLES REFINED ATOMS   (DEGREES):  1647 ; 2.780 ; 3.000       
REMARK   3   BOND ANGLES OTHERS          (DEGREES):  NULL ;  NULL ;  NULL       
REMARK   3   TORSION ANGLES, PERIOD 1    (DEGREES):  NULL ;  NULL ;  NULL       
REMARK   3   TORSION ANGLES, PERIOD 2    (DEGREES):  NULL ;  NULL ;  NULL       
REMARK   3   TORSION ANGLES, PERIOD 3    (DEGREES):  NULL ;  NULL ;  NULL       
REMARK   3   TORSION ANGLES, PERIOD 4    (DEGREES):  NULL ;  NULL ;  NULL       
REMARK   3   CHIRAL-CENTER RESTRAINTS       (A**3):   208 ; 0.291 ; 0.200       
REMARK   3   GENERAL PLANES REFINED ATOMS      (A):   497 ; 0.012 ; 0.020       
REMARK   3   GENERAL PLANES OTHERS             (A):  NULL ;  NULL ;  NULL       
REMARK   3   NON-BONDED CONTACTS REFINED ATOMS (A):   451 ; 0.351 ; 0.200       
REMARK   3   NON-BONDED CONTACTS OTHERS        (A):  NULL ;  NULL ;  NULL       
REMARK   3   NON-BONDED TORSION REFINED ATOMS  (A):   636 ; 0.265 ; 0.200       
REMARK   3   NON-BONDED TORSION OTHERS         (A):  NULL ;  NULL ;  NULL       
REMARK   3   H-BOND (X...Y) REFINED ATOMS      (A):   170 ; 0.254 ; 0.200       
REMARK   3   H-BOND (X...Y) OTHERS             (A):  NULL ;  NULL ;  NULL       
REMARK   3   POTENTIAL METAL-ION REFINED ATOMS (A):    53 ; 0.176 ; 0.200       
REMARK   3   POTENTIAL METAL-ION OTHERS        (A):  NULL ;  NULL ;  NULL       
REMARK   3   SYMMETRY VDW REFINED ATOMS        (A):    33 ; 0.163 ; 0.200       
REMARK   3   SYMMETRY VDW OTHERS               (A):  NULL ;  NULL ;  NULL       
REMARK   3   SYMMETRY H-BOND REFINED ATOMS     (A):    18 ; 0.127 ; 0.200       
REMARK   3   SYMMETRY H-BOND OTHERS            (A):  NULL ;  NULL ;  NULL       
REMARK   3   SYMMETRY METAL-ION REFINED ATOMS  (A):     1 ; 0.283 ; 0.200       
REMARK   3   SYMMETRY METAL-ION OTHERS         (A):  NULL ;  NULL ;  NULL       
REMARK   3                                                                      
REMARK   3  ISOTROPIC THERMAL FACTOR RESTRAINTS.     COUNT   RMS    WEIGHT      
REMARK   3   MAIN-CHAIN BOND REFINED ATOMS  (A**2):  NULL ;  NULL ;  NULL       
REMARK   3   MAIN-CHAIN BOND OTHER ATOMS    (A**2):  NULL ;  NULL ;  NULL       
REMARK   3   MAIN-CHAIN ANGLE REFINED ATOMS (A**2):  NULL ;  NULL ;  NULL       
REMARK   3   MAIN-CHAIN ANGLE OTHER ATOMS   (A**2):  NULL ;  NULL ;  NULL       
REMARK   3   SIDE-CHAIN BOND REFINED ATOMS  (A**2):  1135 ; 2.488 ; 3.000       
REMARK   3   SIDE-CHAIN BOND OTHER ATOMS    (A**2):  NULL ;  NULL ;  NULL       
REMARK   3   SIDE-CHAIN ANGLE REFINED ATOMS (A**2):  1647 ; 3.070 ; 4.500       
REMARK   3   SIDE-CHAIN ANGLE OTHER ATOMS   (A**2):  NULL ;  NULL ;  NULL       
REMARK   3   LONG RANGE B REFINED ATOMS     (A**2):  NULL ;  NULL ;  NULL       
REMARK   3   LONG RANGE B OTHER ATOMS       (A**2):  NULL ;  NULL ;  NULL       
REMARK   3                                                                      
REMARK   3 ANISOTROPIC THERMAL FACTOR RESTRAINTS.    COUNT   RMS   WEIGHT       
REMARK   3   RIGID-BOND RESTRAINTS          (A**2):  1135 ; 1.969 ; 3.000       
REMARK   3   SPHERICITY; FREE ATOMS         (A**2):   217 ; 3.507 ; 3.000       
REMARK   3   SPHERICITY; BONDED ATOMS       (A**2):   959 ; 3.436 ; 3.000       
REMARK   3                                                                      
REMARK   3  NCS RESTRAINTS STATISTICS                                           
REMARK   3   NUMBER OF DIFFERENT NCS GROUPS : NULL                              
REMARK   3                                                                      
REMARK   3  TLS DETAILS                                                         
REMARK   3   NUMBER OF TLS GROUPS  : NULL                                       
REMARK   3                                                                      
REMARK   3  BULK SOLVENT MODELLING.                                             
REMARK   3   METHOD USED : MASK                                                 
REMARK   3   PARAMETERS FOR MASK CALCULATION                                    
REMARK   3   VDW PROBE RADIUS   : 1.20                                          
REMARK   3   ION PROBE RADIUS   : 0.80                                          
REMARK   3   SHRINKAGE RADIUS   : 0.80                                          
REMARK   3                                                                      
REMARK   3  OTHER REFINEMENT REMARKS: HYDROGENS HAVE BEEN ADDED IN THE RIDING   
REMARK   3  POSITIONS                                                           
REMARK   4                                                                      
REMARK   4 2GRB COMPLIES WITH FORMAT V. 3.30, 13-JUL-11                         
REMARK 100                                                                      
REMARK 100 THIS ENTRY HAS BEEN PROCESSED BY RCSB ON 28-APR-06.                  
REMARK 100 THE DEPOSITION ID IS D_1000037459.                                   
REMARK 200                                                                      
REMARK 200 EXPERIMENTAL DETAILS                                                 
REMARK 200  EXPERIMENT TYPE                : X-RAY DIFFRACTION                  
REMARK 200  DATE OF DATA COLLECTION        : 09-JUL-03                          
REMARK 200  TEMPERATURE           (KELVIN) : NULL                               
REMARK 200  PH                             : 7.0                                
REMARK 200  NUMBER OF CRYSTALS USED        : 1                                  
REMARK 200                                                                      
REMARK 200  SYNCHROTRON              (Y/N) : Y                                  
REMARK 200  RADIATION SOURCE               : APS                                
REMARK 200  BEAMLINE                       : 14-BM-D                            
REMARK 200  X-RAY GENERATOR MODEL          : NULL                               
REMARK 200  MONOCHROMATIC OR LAUE    (M/L) : M                                  
REMARK 200  WAVELENGTH OR RANGE        (A) : 0.9195,0.9200,0.8984               
REMARK 200  MONOCHROMATOR                  : SI 111 CHANNEL                     
REMARK 200  OPTICS                         : NULL                               
REMARK 200                                                                      
REMARK 200  DETECTOR TYPE                  : CCD                                
REMARK 200  DETECTOR MANUFACTURER          : ADSC QUANTUM 210                   
REMARK 200  INTENSITY-INTEGRATION SOFTWARE : ADSC                               
REMARK 200  DATA SCALING SOFTWARE          : D*TREK                             
REMARK 200                                                                      
REMARK 200  NUMBER OF UNIQUE REFLECTIONS   : 23152                              
REMARK 200  RESOLUTION RANGE HIGH      (A) : 1.400                              
REMARK 200  RESOLUTION RANGE LOW       (A) : 30.000                             
REMARK 200  REJECTION CRITERIA  (SIGMA(I)) : 0.000                              
REMARK 200                                                                      
REMARK 200 OVERALL.                                                             
REMARK 200  COMPLETENESS FOR RANGE     (%) : 95.3                               
REMARK 200  DATA REDUNDANCY                : 6.870                              
REMARK 200  R MERGE                    (I) : NULL                               
REMARK 200  R SYM                      (I) : NULL                               
REMARK 200  <I/SIGMA(I)> FOR THE DATA SET  : NULL                               
REMARK 200                                                                      
REMARK 200 IN THE HIGHEST RESOLUTION SHELL.                                     
REMARK 200  HIGHEST RESOLUTION SHELL, RANGE HIGH (A) : 1.40                     
REMARK 200  HIGHEST RESOLUTION SHELL, RANGE LOW  (A) : 1.45                     
REMARK 200  COMPLETENESS FOR SHELL     (%) : 71.5                               
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: MAD                                            
REMARK 200 METHOD USED TO DETERMINE THE STRUCTURE: MAD                          
REMARK 200 SOFTWARE USED: SOLVE                                                 
REMARK 200 STARTING MODEL: NULL                                                 
REMARK 200                                                                      
REMARK 200 REMARK: NULL                                                         
REMARK 280                                                                      
REMARK 280 CRYSTAL                                                              
REMARK 280 SOLVENT CONTENT, VS   (%): 32.38                                     
REMARK 280 MATTHEWS COEFFICIENT, VM (ANGSTROMS**3/DA): 1.82                     
REMARK 280                                                                      
REMARK 280 CRYSTALLIZATION CONDITIONS: KCL, CACL2, MPD , PH 7.0, EVAPORATION,   
REMARK 280  TEMPERATURE 298K                                                    
REMARK 290                                                                      
REMARK 290 CRYSTALLOGRAPHIC SYMMETRY                                            
REMARK 290 SYMMETRY OPERATORS FOR SPACE GROUP: P 1 21 1                         
REMARK 290                                                                      
REMARK 290      SYMOP   SYMMETRY                                                
REMARK 290     NNNMMM   OPERATOR                                                
REMARK 290       1555   X,Y,Z                                                   
REMARK 290       2555   -X,Y+1/2,-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   SMTRY1   2 -1.000000  0.000000  0.000000        0.00000            
REMARK 290   SMTRY2   2  0.000000  1.000000  0.000000       26.36900            
REMARK 290   SMTRY3   2  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 300 REMARK: THE BIOLOGICAL ASSEMBLY IS ONE TETRAMER (E.G. CHAIN A, B, C, 
REMARK 300 D), HALF OF THE ASYMMETRIC UNIT.                                     
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 465                                                                      
REMARK 465 MISSING RESIDUES                                                     
REMARK 465 THE FOLLOWING RESIDUES WERE NOT LOCATED IN THE                       
REMARK 465 EXPERIMENT. (M=MODEL NUMBER; RES=RESIDUE NAME; C=CHAIN               
REMARK 465 IDENTIFIER; SSSEQ=SEQUENCE NUMBER; I=INSERTION CODE.)                
REMARK 465                                                                      
REMARK 465   M RES C SSSEQI                                                     
REMARK 465     U33 A     1                                                      
REMARK 465     U33 B     1                                                      
REMARK 465     U33 H     1                                                      
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       G A   2    P    OP1  OP2                                       
REMARK 480                                                                      
REMARK 480 ZERO OCCUPANCY ATOM                                                  
REMARK 480 THE FOLLOWING RESIDUES HAVE ATOMS MODELED WITH ZERO                  
REMARK 480 OCCUPANCY. THE LOCATION AND PROPERTIES OF THESE ATOMS                
REMARK 480 MAY NOT BE RELIABLE. (M=MODEL NUMBER; RES=RESIDUE NAME;              
REMARK 480 C=CHAIN IDENTIFIER; SSEQ=SEQUENCE NUMBER; I=INSERTION CODE):         
REMARK 480   M RES C SSEQI ATOMS                                                
REMARK 480       G A    2   O5'  C5'                                            
REMARK 480     U33 C    1   C4'  C5'  O5'                                       
REMARK 480     U33 G    1   C6   C2'  C3'  C4'  O4'  C5'  O5'                   
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      I A   3   O5' -  P   -  OP1 ANGL. DEV. =  10.4 DEGREES          
REMARK 500      I B   3   O5' -  P   -  OP1 ANGL. DEV. =  11.0 DEGREES          
REMARK 500      I C   3   O5' -  P   -  OP1 ANGL. DEV. =  10.0 DEGREES          
REMARK 500      I D   3   O5' -  P   -  OP1 ANGL. DEV. =  11.0 DEGREES          
REMARK 500      I E   3   O5' -  P   -  OP2 ANGL. DEV. =  11.0 DEGREES          
REMARK 500      I H   3   O5' -  P   -  OP1 ANGL. DEV. =  14.0 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 304   K                            
REMARK 620 N RES CSSEQI ATOM                                                    
REMARK 620 1   G A   2   O6                                                     
REMARK 620 2   I A   3   O6   74.9                                              
REMARK 620 3   G B   2   O6  117.4 156.0                                        
REMARK 620 4   I B   3   O6  150.4 103.4  76.2                                  
REMARK 620 5   G C   2   O6   74.4 134.6  69.2  88.0                            
REMARK 620 6   I C   3   O6   83.7  67.6 131.3  68.8  76.5                      
REMARK 620 7   G D   2   O6   79.6  82.1  80.3 129.9 123.4 148.4                
REMARK 620 8   I D   3   O6  132.9  65.9  92.8  67.3 152.7 103.3  70.4          
REMARK 620 N                    1     2     3     4     5     6     7           
REMARK 620                                                                      
REMARK 620 COORDINATION ANGLES FOR:  M RES CSSEQI METAL                         
REMARK 620                               K A 303   K                            
REMARK 620 N RES CSSEQI ATOM                                                    
REMARK 620 1   I A   3   O6                                                     
REMARK 620 2   G A   4   O6   72.0                                              
REMARK 620 3   K A 304   K    58.4 125.3                                        
REMARK 620 4   I B   3   O6  113.2 159.1  54.9                                  
REMARK 620 5   G B   4   O6  153.3 111.6 123.0  73.3                            
REMARK 620 6   I C   3   O6   72.1 129.3  55.9  70.1  87.3                      
REMARK 620 7   G C   4   O6   86.5  70.9 123.2 128.4  70.9  72.3                
REMARK 620 8   I D   3   O6   75.8  88.9  59.3  73.6 129.6 115.2 156.6          
REMARK 620 9   G D   4   O6  131.3  70.9 127.3  92.7  71.6 156.1 109.5  73.1    
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 302   K                            
REMARK 620 N RES CSSEQI ATOM                                                    
REMARK 620 1   G A   4   O6                                                     
REMARK 620 2   G A   5   O6   70.3                                              
REMARK 620 3   K A 303   K    56.5 123.2                                        
REMARK 620 4   G B   4   O6  113.3 161.9  56.9                                  
REMARK 620 5   G B   5   O6  159.6 113.4 123.3  69.8                            
REMARK 620 6   G C   4   O6   73.0 123.8  59.3  73.1  89.5                      
REMARK 620 7   G C   5   O6   88.2  71.8 120.7 125.1  74.8  65.9                
REMARK 620 8   G D   4   O6   73.0  91.0  57.6  74.0 125.7 116.9 158.2          
REMARK 620 9   G D   5   O6  126.6  73.7 123.2  91.3  72.2 159.5 116.1  69.5    
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 301   K                            
REMARK 620 N RES CSSEQI ATOM                                                    
REMARK 620 1   G A   5   O6                                                     
REMARK 620 2   U A   6   O4   65.4                                              
REMARK 620 3   K A 302   K    50.5 114.9                                        
REMARK 620 4   G B   5   O6  101.1 162.2  50.7                                  
REMARK 620 5   U B   6   O4  161.0 130.2 114.9  65.6                            
REMARK 620 6   G C   5   O6   64.8 113.2  50.4  67.4  96.7                      
REMARK 620 7   U C   6   O4   95.0  77.1 115.3 117.1  80.4  66.1                
REMARK 620 8   G D   5   O6   67.4  97.1  51.6  66.1 115.2 101.9 162.2          
REMARK 620 9   U D   6   O4  114.2  79.3 115.0  97.2  82.1 163.2 129.6  64.2    
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 D 312   K                            
REMARK 620 N RES CSSEQI ATOM                                                    
REMARK 620 1 HOH A 315   O                                                      
REMARK 620 2   U D   6   O2' 158.3                                              
REMARK 620 3   U D   6   O3' 116.8  44.4                                        
REMARK 620 4 HOH D 322   O   119.1  63.5  98.3                                  
REMARK 620 5 HOH D 326   O   135.3  65.8 107.3  58.1                            
REMARK 620 N                    1     2     3     4                             
REMARK 620                                                                      
REMARK 620 COORDINATION ANGLES FOR:  M RES CSSEQI METAL                         
REMARK 620                              SR B 401  SR                            
REMARK 620 N RES CSSEQI ATOM                                                    
REMARK 620 1   U B   6   O2'                                                    
REMARK 620 2   U B   6   O3'  53.7                                              
REMARK 620 3 HOH B  63   O    97.8  87.1                                        
REMARK 620 4 HOH B 132   O    73.9 115.7  64.0                                  
REMARK 620 5 HOH B 175   O    77.9  78.8 165.0 126.9                            
REMARK 620 N                    1     2     3     4                             
REMARK 620                                                                      
REMARK 620 COORDINATION ANGLES FOR:  M RES CSSEQI METAL                         
REMARK 620                               K E 305   K                            
REMARK 620 N RES CSSEQI ATOM                                                    
REMARK 620 1   G E   2   O6                                                     
REMARK 620 2   I E   3   O6   75.2                                              
REMARK 620 3   K E 306   K   118.0  50.4                                        
REMARK 620 4   G F   2   O6  119.8 152.5 122.2                                  
REMARK 620 5   I F   3   O6  149.6 100.3  50.0  77.9                            
REMARK 620 6   G G   2   O6   73.0 132.0 120.7  75.5  90.0                      
REMARK 620 7   I G   3   O6   82.0  63.9  51.2 136.7  69.5  76.8                
REMARK 620 8   G H   2   O6   78.6  85.1 117.5  76.5 131.6 121.7 146.7          
REMARK 620 9   I H   3   O6  134.0  66.9  51.5  88.1  65.3 153.0 102.6  73.4    
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 E 306   K                            
REMARK 620 N RES CSSEQI ATOM                                                    
REMARK 620 1   I E   3   O6                                                     
REMARK 620 2   G E   4   O6   71.9                                              
REMARK 620 3   K E 307   K   120.1  54.8                                        
REMARK 620 4   I F   3   O6  113.1 154.1 126.8                                  
REMARK 620 5   G F   4   O6  155.2 110.5  55.8  76.0                            
REMARK 620 6   I G   3   O6   70.1 128.2 122.7  75.1  91.5                      
REMARK 620 7   G G   4   O6   85.4  71.2  55.0 133.3  72.9  71.9                
REMARK 620 8   I H   3   O6   73.6  87.6 123.8  70.6 130.5 113.3 154.0          
REMARK 620 9   G H   4   O6  129.9  70.4  56.6  89.4  70.9 159.2 111.6  73.2    
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 E 307   K                            
REMARK 620 N RES CSSEQI ATOM                                                    
REMARK 620 1   G E   4   O6                                                     
REMARK 620 2   G E   5   O6   65.7                                              
REMARK 620 3   K E 308   K   119.0  56.6                                        
REMARK 620 4   G F   4   O6  116.6 157.5 124.2                                  
REMARK 620 5   G F   5   O6  163.7 116.4  59.9  68.2                            
REMARK 620 6   G G   4   O6   75.9 124.7 122.1  75.7  91.0                      
REMARK 620 7   G G   5   O6   89.1  72.8  57.5 128.4  76.8  68.2                
REMARK 620 8   G H   4   O6   72.5  89.6 122.2  71.0 122.8 115.6 158.8          
REMARK 620 9   G H   5   O6  120.1  70.3  56.9  91.3  74.0 163.1 114.4  68.5    
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 E 308   K                            
REMARK 620 N RES CSSEQI ATOM                                                    
REMARK 620 1   G E   5   O6                                                     
REMARK 620 2   U E   6   O4   68.6                                              
REMARK 620 3   G F   5   O6  104.7 166.8                                        
REMARK 620 4   U F   6   O4  166.3 123.7  64.5                                  
REMARK 620 5   G G   5   O6   68.5 116.8  68.8  98.9                            
REMARK 620 6   U G   6   O4  101.1  77.3 115.6  77.8  68.0                      
REMARK 620 7   G H   5   O6   66.8  99.8  67.0 113.2 103.4 167.6                
REMARK 620 8   U H   6   O4  117.1  78.0  96.0  73.8 164.8 121.8  68.6          
REMARK 620 N                    1     2     3     4     5     6     7           
REMARK 620                                                                      
REMARK 620 COORDINATION ANGLES FOR:  M RES CSSEQI METAL                         
REMARK 620                               K H 309   K                            
REMARK 620 N RES CSSEQI ATOM                                                    
REMARK 620 1 HOH E  46   O                                                      
REMARK 620 2   U H   6   O2'  75.3                                              
REMARK 620 3   U H   6   O3' 126.9  51.7                                        
REMARK 620 4 HOH H  27   O    65.0  76.2  95.7                                  
REMARK 620 5 HOH H  40   O   147.0 121.4  74.2  90.1                            
REMARK 620 N                    1     2     3     4                             
REMARK 620                                                                      
REMARK 620 COORDINATION ANGLES FOR:  M RES CSSEQI METAL                         
REMARK 620                               K F 313   K                            
REMARK 620 N RES CSSEQI ATOM                                                    
REMARK 620 1   U F   6   O2'                                                    
REMARK 620 2   U F   6   O3'  52.6                                              
REMARK 620 3 HOH F  18   O    77.3  99.8                                        
REMARK 620 4 HOH F 186   O    85.6  99.0 138.7                                  
REMARK 620 5 HOH H  81   O    70.0 121.9  73.4  65.5                            
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 K A 301                   
REMARK 800                                                                      
REMARK 800 SITE_IDENTIFIER: AC2                                                 
REMARK 800 EVIDENCE_CODE: SOFTWARE                                              
REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE K A 302                   
REMARK 800                                                                      
REMARK 800 SITE_IDENTIFIER: AC3                                                 
REMARK 800 EVIDENCE_CODE: SOFTWARE                                              
REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE K A 303                   
REMARK 800                                                                      
REMARK 800 SITE_IDENTIFIER: AC4                                                 
REMARK 800 EVIDENCE_CODE: SOFTWARE                                              
REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE K A 304                   
REMARK 800                                                                      
REMARK 800 SITE_IDENTIFIER: AC5                                                 
REMARK 800 EVIDENCE_CODE: SOFTWARE                                              
REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE K E 305                   
REMARK 800                                                                      
REMARK 800 SITE_IDENTIFIER: AC6                                                 
REMARK 800 EVIDENCE_CODE: SOFTWARE                                              
REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE K E 306                   
REMARK 800                                                                      
REMARK 800 SITE_IDENTIFIER: AC7                                                 
REMARK 800 EVIDENCE_CODE: SOFTWARE                                              
REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE K E 307                   
REMARK 800                                                                      
REMARK 800 SITE_IDENTIFIER: AC8                                                 
REMARK 800 EVIDENCE_CODE: SOFTWARE                                              
REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE K E 308                   
REMARK 800                                                                      
REMARK 800 SITE_IDENTIFIER: AC9                                                 
REMARK 800 EVIDENCE_CODE: SOFTWARE                                              
REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE K H 309                   
REMARK 800                                                                      
REMARK 800 SITE_IDENTIFIER: BC1                                                 
REMARK 800 EVIDENCE_CODE: SOFTWARE                                              
REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE K D 312                   
REMARK 800                                                                      
REMARK 800 SITE_IDENTIFIER: BC2                                                 
REMARK 800 EVIDENCE_CODE: SOFTWARE                                              
REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE K F 313                   
REMARK 800                                                                      
REMARK 800 SITE_IDENTIFIER: BC3                                                 
REMARK 800 EVIDENCE_CODE: SOFTWARE                                              
REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE SR B 401                  
DBREF  2GRB A    1     6  PDB    2GRB     2GRB             1      6             
DBREF  2GRB B    1     6  PDB    2GRB     2GRB             1      6             
DBREF  2GRB C    1     6  PDB    2GRB     2GRB             1      6             
DBREF  2GRB D    1     6  PDB    2GRB     2GRB             1      6             
DBREF  2GRB E    1     6  PDB    2GRB     2GRB             1      6             
DBREF  2GRB F    1     6  PDB    2GRB     2GRB             1      6             
DBREF  2GRB G    1     6  PDB    2GRB     2GRB             1      6             
DBREF  2GRB H    1     6  PDB    2GRB     2GRB             1      6             
SEQRES   1 A    6  U33   G   I   G   G   U                                      
SEQRES   1 B    6  U33   G   I   G   G   U                                      
SEQRES   1 C    6  U33   G   I   G   G   U                                      
SEQRES   1 D    6  U33   G   I   G   G   U                                      
SEQRES   1 E    6  U33   G   I   G   G   U                                      
SEQRES   1 F    6  U33   G   I   G   G   U                                      
SEQRES   1 G    6  U33   G   I   G   G   U                                      
SEQRES   1 H    6  U33   G   I   G   G   U                                      
MODRES 2GRB U33 C    1   DU  5-BROMO-2'-DEOXY URIDINE                           
MODRES 2GRB U33 D    1   DU  5-BROMO-2'-DEOXY URIDINE                           
MODRES 2GRB U33 E    1   DU  5-BROMO-2'-DEOXY URIDINE                           
MODRES 2GRB U33 F    1   DU  5-BROMO-2'-DEOXY URIDINE                           
MODRES 2GRB U33 G    1   DU  5-BROMO-2'-DEOXY URIDINE                           
HET    U33  C   1      17                                                       
HET    U33  D   1      17                                                       
HET    U33  E   1      17                                                       
HET    U33  F   1      17                                                       
HET    U33  G   1      17                                                       
HET      K  A 301       1                                                       
HET      K  A 302       1                                                       
HET      K  A 303       1                                                       
HET      K  A 304       1                                                       
HET     SR  B 401       1                                                       
HET      K  D 312       1                                                       
HET      K  E 305       1                                                       
HET      K  E 306       1                                                       
HET      K  E 307       1                                                       
HET      K  E 308       1                                                       
HET      K  F 313       1                                                       
HET      K  H 309       1                                                       
HETNAM     U33 5-BROMO-2'-DEOXY URIDINE                                         
HETNAM       K POTASSIUM ION                                                    
HETNAM      SR STRONTIUM ION                                                    
FORMUL   3  U33    5(C9 H11 BR N2 O5)                                           
FORMUL   9    K    11(K 1+)                                                     
FORMUL  13   SR    SR 2+                                                        
FORMUL  21  HOH   *178(H2 O)                                                    
LINK         O3' U33 C   1                 P     G C   2     1555   1555  1.60  
LINK         O3' U33 D   1                 P     G D   2     1555   1555  1.60  
LINK         O3' U33 E   1                 P     G E   2     1555   1555  1.60  
LINK         O3' U33 F   1                 P     G F   2     1555   1555  1.60  
LINK         O3' U33 G   1                 P     G G   2     1555   1555  1.60  
LINK         O6    G A   2                 K     K A 304     1555   1555  2.73  
LINK         O6    I A   3                 K     K A 303     1555   1555  2.77  
LINK         O6    I A   3                 K     K A 304     1555   1555  3.07  
LINK         O6    G A   4                 K     K A 302     1555   1555  2.82  
LINK         O6    G A   4                 K     K A 303     1555   1555  2.85  
LINK         O6    G A   5                 K     K A 301     1555   1555  2.97  
LINK         O6    G A   5                 K     K A 302     1555   1555  2.74  
LINK         O4    U A   6                 K     K A 301     1555   1555  2.78  
LINK         K     K A 301                 K     K A 302     1555   1555  3.40  
LINK         K     K A 301                 O6    G B   5     1555   1555  2.99  
LINK         K     K A 301                 O4    U B   6     1555   1555  2.86  
LINK         K     K A 301                 O6    G C   5     1555   1555  3.06  
LINK         K     K A 301                 O4    U C   6     1555   1555  2.74  
LINK         K     K A 301                 O6    G D   5     1555   1555  3.05  
LINK         K     K A 301                 O4    U D   6     1555   1555  2.92  
LINK         K     K A 302                 K     K A 303     1555   1555  3.16  
LINK         K     K A 302                 O6    G B   4     1555   1555  2.84  
LINK         K     K A 302                 O6    G B   5     1555   1555  2.76  
LINK         K     K A 302                 O6    G C   4     1555   1555  2.88  
LINK         K     K A 302                 O6    G C   5     1555   1555  2.77  
LINK         K     K A 302                 O6    G D   4     1555   1555  2.74  
LINK         K     K A 302                 O6    G D   5     1555   1555  2.83  
LINK         K     K A 303                 K     K A 304     1555   1555  3.42  
LINK         K     K A 303                 O6    I B   3     1555   1555  2.88  
LINK         K     K A 303                 O6    G B   4     1555   1555  2.87  
LINK         K     K A 303                 O6    I C   3     1555   1555  2.99  
LINK         K     K A 303                 O6    G C   4     1555   1555  2.99  
LINK         K     K A 303                 O6    I D   3     1555   1555  2.68  
LINK         K     K A 303                 O6    G D   4     1555   1555  2.87  
LINK         K     K A 304                 O6    G B   2     1555   1555  2.67  
LINK         K     K A 304                 O6    I B   3     1555   1555  2.94  
LINK         K     K A 304                 O6    G C   2     1555   1555  2.90  
LINK         K     K A 304                 O6    I C   3     1555   1555  3.03  
LINK         K     K A 304                 O6    G D   2     1555   1555  2.70  
LINK         K     K A 304                 O6    I D   3     1555   1555  3.09  
LINK         O   HOH A 315                 K     K D 312     1555   1555  2.62  
LINK         O2'   U B   6                SR    SR B 401     1555   1555  3.15  
LINK         O3'   U B   6                SR    SR B 401     1555   1555  2.78  
LINK         O   HOH B  63                SR    SR B 401     1555   1555  2.83  
LINK         O   HOH B 132                SR    SR B 401     1555   1555  2.49  
LINK         O   HOH B 175                SR    SR B 401     1555   1555  2.56  
LINK         O2'   U D   6                 K     K D 312     1555   1555  3.42  
LINK         O3'   U D   6                 K     K D 312     1555   1555  3.66  
LINK         K     K D 312                 O   HOH D 322     1555   1555  2.39  
LINK         K     K D 312                 O   HOH D 326     1555   1555  3.14  
LINK         O6    G E   2                 K     K E 305     1555   1555  2.79  
LINK         O6    I E   3                 K     K E 305     1555   1555  3.12  
LINK         O6    I E   3                 K     K E 306     1555   1555  2.84  
LINK         O6    G E   4                 K     K E 306     1555   1555  2.96  
LINK         O6    G E   4                 K     K E 307     1555   1555  2.80  
LINK         O6    G E   5                 K     K E 307     1555   1555  2.91  
LINK         O6    G E   5                 K     K E 308     1555   1555  3.00  
LINK         O4    U E   6                 K     K E 308     1555   1555  2.82  
LINK         O   HOH E  46                 K     K H 309     1555   1555  2.64  
LINK         K     K E 305                 K     K E 306     1555   1555  3.49  
LINK         K     K E 305                 O6    G F   2     1555   1555  2.68  
LINK         K     K E 305                 O6    I F   3     1555   1555  2.97  
LINK         K     K E 305                 O6    G G   2     1555   1555  2.82  
LINK         K     K E 305                 O6    I G   3     1555   1555  3.05  
LINK         K     K E 305                 O6    G H   2     1555   1555  2.78  
LINK         K     K E 305                 O6    I H   3     1555   1555  3.09  
LINK         K     K E 306                 K     K E 307     1555   1555  3.11  
LINK         K     K E 306                 O6    I F   3     1555   1555  2.77  
LINK         K     K E 306                 O6    G F   4     1555   1555  2.81  
LINK         K     K E 306                 O6    I G   3     1555   1555  2.86  
LINK         K     K E 306                 O6    G G   4     1555   1555  2.95  
LINK         K     K E 306                 O6    I H   3     1555   1555  2.88  
LINK         K     K E 306                 O6    G H   4     1555   1555  2.79  
LINK         K     K E 307                 K     K E 308     1555   1555  3.36  
LINK         K     K E 307                 O6    G F   4     1555   1555  2.78  
LINK         K     K E 307                 O6    G F   5     1555   1555  2.78  
LINK         K     K E 307                 O6    G G   4     1555   1555  2.80  
LINK         K     K E 307                 O6    G G   5     1555   1555  2.77  
LINK         K     K E 307                 O6    G H   4     1555   1555  2.81  
LINK         K     K E 307                 O6    G H   5     1555   1555  2.80  
LINK         K     K E 308                 O6    G F   5     1555   1555  3.10  
LINK         K     K E 308                 O4    U F   6     1555   1555  2.86  
LINK         K     K E 308                 O6    G G   5     1555   1555  3.00  
LINK         K     K E 308                 O4    U G   6     1555   1555  2.85  
LINK         K     K E 308                 O6    G H   5     1555   1555  2.98  
LINK         K     K E 308                 O4    U H   6     1555   1555  2.86  
LINK         O2'   U F   6                 K     K F 313     1555   1555  2.91  
LINK         O3'   U F   6                 K     K F 313     1555   1555  3.16  
LINK         O   HOH F  18                 K     K F 313     1555   1555  2.68  
LINK         O   HOH F 186                 K     K F 313     1555   1555  3.08  
LINK         K     K F 313                 O   HOH H  81     1555   1555  2.93  
LINK         O2'   U H   6                 K     K H 309     1555   1555  3.13  
LINK         O3'   U H   6                 K     K H 309     1555   1555  2.99  
LINK         O   HOH H  27                 K     K H 309     1555   1555  2.70  
LINK         O   HOH H  40                 K     K H 309     1555   1555  2.90  
SITE     1 AC1  9   G A   5    U A   6    K A 302    G B   5                    
SITE     2 AC1  9   U B   6    G C   5    U C   6    G D   5                    
SITE     3 AC1  9   U D   6                                                     
SITE     1 AC2 10   G A   4    G A   5    K A 301    K A 303                    
SITE     2 AC2 10   G B   4    G B   5    G C   4    G C   5                    
SITE     3 AC2 10   G D   4    G D   5                                          
SITE     1 AC3 10   I A   3    G A   4    K A 302    K A 304                    
SITE     2 AC3 10   I B   3    G B   4    I C   3    G C   4                    
SITE     3 AC3 10   I D   3    G D   4                                          
SITE     1 AC4  9   G A   2    I A   3    K A 303    G B   2                    
SITE     2 AC4  9   I B   3    G C   2    I C   3    G D   2                    
SITE     3 AC4  9   I D   3                                                     
SITE     1 AC5  9   G E   2    I E   3    K E 306    G F   2                    
SITE     2 AC5  9   I F   3    G G   2    I G   3    G H   2                    
SITE     3 AC5  9   I H   3                                                     
SITE     1 AC6 10   I E   3    G E   4    K E 305    K E 307                    
SITE     2 AC6 10   I F   3    G F   4    I G   3    G G   4                    
SITE     3 AC6 10   I H   3    G H   4                                          
SITE     1 AC7 10   G E   4    G E   5    K E 306    K E 308                    
SITE     2 AC7 10   G F   4    G F   5    G G   4    G G   5                    
SITE     3 AC7 10   G H   4    G H   5                                          
SITE     1 AC8  9   G E   5    U E   6    K E 307    G F   5                    
SITE     2 AC8  9   U F   6    G G   5    U G   6    G H   5                    
SITE     3 AC8  9   U H   6                                                     
SITE     1 AC9  4 HOH E  46    U H   6  HOH H  27  HOH H  40                    
SITE     1 BC1  3 HOH A 315    U D   6  HOH D 322                               
SITE     1 BC2  4   U F   6  HOH F  18  HOH F 186  HOH H  81                    
SITE     1 BC3  4   U B   6  HOH B  63  HOH B 132  HOH B 175                    
CRYST1   29.060   52.738   37.344  90.00 102.98  90.00 P 1 21 1     16          
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      0.034412  0.000000  0.007932        0.00000                         
SCALE2      0.000000  0.018962  0.000000        0.00000                         
SCALE3      0.000000  0.000000  0.027480        0.00000