PDB Short entry for 3FTM
HEADER    RNA                                     13-JAN-09   3FTM              
TITLE     CLASS II LIGASE RIBOZYME PRODUCT-TEMPLATE DUPLEX, STRUCTURE 1         
COMPND    MOL_ID: 1;                                                            
COMPND   2 MOLECULE: 5'-R(*GP*UP*GP*UP*GP*AP*GP*GP*CP*UP*G)-3';                 
COMPND   3 CHAIN: A, C;                                                         
COMPND   4 ENGINEERED: YES;                                                     
COMPND   5 OTHER_DETAILS: TEMPLATE STAND OF THE CLASS II LIGASE A4-11;          
COMPND   6 MOL_ID: 2;                                                           
COMPND   7 MOLECULE: 5'-R(*CP*CP*AP*GP*UP*CP*GP*GP*AP*AP*CP*A)-3';              
COMPND   8 CHAIN: B, D;                                                         
COMPND   9 ENGINEERED: YES;                                                     
COMPND  10 OTHER_DETAILS: PRODUCT STRAND OF THE CLASS II LIGASE A4-11, SINGLE   
COMPND  11 STRANDED RNA WITH ONE 2'-5' LINKAGE                                  
SOURCE    MOL_ID: 1;                                                            
SOURCE   2 SYNTHETIC: YES;                                                      
SOURCE   3 MOL_ID: 2;                                                           
SOURCE   4 SYNTHETIC: YES                                                       
KEYWDS    RIBOZYME, LIGASE, 2'-5', 2-5, 2P5, RNA                                
EXPDTA    X-RAY DIFFRACTION                                                     
AUTHOR    J.N.PITT,A.R.FERRE-D'AMARE                                            
REVDAT   3   21-FEB-24 3FTM    1       REMARK LINK                              
REVDAT   2   31-MAR-09 3FTM    1       JRNL                                     
REVDAT   1   24-FEB-09 3FTM    0                                                
JRNL        AUTH   J.N.PITT,A.R.FERRE-D'AMARE                                   
JRNL        TITL   STRUCTURE-GUIDED ENGINEERING OF THE REGIOSELECTIVITY OF RNA  
JRNL        TITL 2 LIGASE RIBOZYMES.                                            
JRNL        REF    J.AM.CHEM.SOC.                V. 131  3532 2009              
JRNL        REFN                   ISSN 0002-7863                               
JRNL        PMID   19220054                                                     
JRNL        DOI    10.1021/JA8067325                                            
REMARK   2                                                                      
REMARK   2 RESOLUTION.    2.70 ANGSTROMS.                                       
REMARK   3                                                                      
REMARK   3 REFINEMENT.                                                          
REMARK   3   PROGRAM     : CNS                                                  
REMARK   3   AUTHORS     : BRUNGER,ADAMS,CLORE,DELANO,GROS,GROSSE-              
REMARK   3               : KUNSTLEVE,JIANG,KUSZEWSKI,NILGES,PANNU,              
REMARK   3               : READ,RICE,SIMONSON,WARREN                            
REMARK   3                                                                      
REMARK   3  REFINEMENT TARGET : ENGH & HUBER                                    
REMARK   3                                                                      
REMARK   3  DATA USED IN REFINEMENT.                                            
REMARK   3   RESOLUTION RANGE HIGH (ANGSTROMS) : 2.70                           
REMARK   3   RESOLUTION RANGE LOW  (ANGSTROMS) : 29.60                          
REMARK   3   DATA CUTOFF            (SIGMA(F)) : 0.000                          
REMARK   3   DATA CUTOFF HIGH         (ABS(F)) : 141151.410                     
REMARK   3   DATA CUTOFF LOW          (ABS(F)) : 0.0000                         
REMARK   3   COMPLETENESS (WORKING+TEST)   (%) : 96.5                           
REMARK   3   NUMBER OF REFLECTIONS             : 4423                           
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 SET) : 0.218                           
REMARK   3   FREE R VALUE                     : 0.268                           
REMARK   3   FREE R VALUE TEST SET SIZE   (%) : 10.600                          
REMARK   3   FREE R VALUE TEST SET COUNT      : 467                             
REMARK   3   ESTIMATED ERROR OF FREE R VALUE  : 0.012                           
REMARK   3                                                                      
REMARK   3  FIT IN THE HIGHEST RESOLUTION BIN.                                  
REMARK   3   TOTAL NUMBER OF BINS USED           : 6                            
REMARK   3   BIN RESOLUTION RANGE HIGH       (A) : 2.70                         
REMARK   3   BIN RESOLUTION RANGE LOW        (A) : 2.87                         
REMARK   3   BIN COMPLETENESS (WORKING+TEST) (%) : 91.00                        
REMARK   3   REFLECTIONS IN BIN    (WORKING SET) : 623                          
REMARK   3   BIN R VALUE           (WORKING SET) : 0.4360                       
REMARK   3   BIN FREE R VALUE                    : 0.4440                       
REMARK   3   BIN FREE R VALUE TEST SET SIZE  (%) : 10.70                        
REMARK   3   BIN FREE R VALUE TEST SET COUNT     : 75                           
REMARK   3   ESTIMATED ERROR OF BIN FREE R VALUE : 0.051                        
REMARK   3                                                                      
REMARK   3  NUMBER OF NON-HYDROGEN ATOMS USED IN REFINEMENT.                    
REMARK   3   PROTEIN ATOMS            : 0                                       
REMARK   3   NUCLEIC ACID ATOMS       : 982                                     
REMARK   3   HETEROGEN ATOMS          : 11                                      
REMARK   3   SOLVENT ATOMS            : 6                                       
REMARK   3                                                                      
REMARK   3  B VALUES.                                                           
REMARK   3   FROM WILSON PLOT           (A**2) : 92.90                          
REMARK   3   MEAN B VALUE      (OVERALL, A**2) : 44.60                          
REMARK   3   OVERALL ANISOTROPIC B VALUE.                                       
REMARK   3    B11 (A**2) : 2.81000                                              
REMARK   3    B22 (A**2) : 2.81000                                              
REMARK   3    B33 (A**2) : -5.61000                                             
REMARK   3    B12 (A**2) : 0.00000                                              
REMARK   3    B13 (A**2) : 0.00000                                              
REMARK   3    B23 (A**2) : 0.00000                                              
REMARK   3                                                                      
REMARK   3  ESTIMATED COORDINATE ERROR.                                         
REMARK   3   ESD FROM LUZZATI PLOT        (A) : 0.41                            
REMARK   3   ESD FROM SIGMAA              (A) : 0.56                            
REMARK   3   LOW RESOLUTION CUTOFF        (A) : 5.00                            
REMARK   3                                                                      
REMARK   3  CROSS-VALIDATED ESTIMATED COORDINATE ERROR.                         
REMARK   3   ESD FROM C-V LUZZATI PLOT    (A) : 0.46                            
REMARK   3   ESD FROM C-V SIGMAA          (A) : 0.63                            
REMARK   3                                                                      
REMARK   3  RMS DEVIATIONS FROM IDEAL VALUES.                                   
REMARK   3   BOND LENGTHS                 (A) : 0.005                           
REMARK   3   BOND ANGLES            (DEGREES) : 1.000                           
REMARK   3   DIHEDRAL ANGLES        (DEGREES) : 14.10                           
REMARK   3   IMPROPER ANGLES        (DEGREES) : 1.600                           
REMARK   3                                                                      
REMARK   3  ISOTROPIC THERMAL MODEL : RESTRAINED                                
REMARK   3                                                                      
REMARK   3  ISOTROPIC THERMAL FACTOR RESTRAINTS.    RMS    SIGMA                
REMARK   3   MAIN-CHAIN BOND              (A**2) : NULL  ; NULL                 
REMARK   3   MAIN-CHAIN ANGLE             (A**2) : NULL  ; NULL                 
REMARK   3   SIDE-CHAIN BOND              (A**2) : NULL  ; NULL                 
REMARK   3   SIDE-CHAIN ANGLE             (A**2) : NULL  ; NULL                 
REMARK   3                                                                      
REMARK   3  BULK SOLVENT MODELING.                                              
REMARK   3   METHOD USED : FLAT MODEL                                           
REMARK   3   KSOL        : 0.30                                                 
REMARK   3   BSOL        : 25.00                                                
REMARK   3                                                                      
REMARK   3  NCS MODEL : NULL                                                    
REMARK   3                                                                      
REMARK   3  NCS RESTRAINTS.                         RMS   SIGMA/WEIGHT          
REMARK   3   GROUP  1  POSITIONAL            (A) : NULL  ; NULL                 
REMARK   3   GROUP  1  B-FACTOR           (A**2) : NULL  ; NULL                 
REMARK   3                                                                      
REMARK   3  PARAMETER FILE  1  : PROTEIN_REP.PARAM                              
REMARK   3  PARAMETER FILE  2  : PITT.PARAM                                     
REMARK   3  PARAMETER FILE  3  : WATER_REP.PARAM                                
REMARK   3  PARAMETER FILE  4  : ION.PARAM                                      
REMARK   3  PARAMETER FILE  5  : NULL                                           
REMARK   3  TOPOLOGY FILE  1   : PROTEIN.TOP                                    
REMARK   3  TOPOLOGY FILE  2   : PITT.TOP                                       
REMARK   3  TOPOLOGY FILE  3   : WATER.TOP                                      
REMARK   3  TOPOLOGY FILE  4   : ION.TOP                                        
REMARK   3  TOPOLOGY FILE  5   : NULL                                           
REMARK   3                                                                      
REMARK   3  OTHER REFINEMENT REMARKS: NULL                                      
REMARK   4                                                                      
REMARK   4 3FTM COMPLIES WITH FORMAT V. 3.30, 13-JUL-11                         
REMARK 100                                                                      
REMARK 100 THIS ENTRY HAS BEEN PROCESSED BY RCSB ON 19-JAN-09.                  
REMARK 100 THE DEPOSITION ID IS D_1000051026.                                   
REMARK 200                                                                      
REMARK 200 EXPERIMENTAL DETAILS                                                 
REMARK 200  EXPERIMENT TYPE                : X-RAY DIFFRACTION                  
REMARK 200  DATE OF DATA COLLECTION        : 25-MAY-05                          
REMARK 200  TEMPERATURE           (KELVIN) : 100                                
REMARK 200  PH                             : 6.5                                
REMARK 200  NUMBER OF CRYSTALS USED        : 1                                  
REMARK 200                                                                      
REMARK 200  SYNCHROTRON              (Y/N) : Y                                  
REMARK 200  RADIATION SOURCE               : ALS                                
REMARK 200  BEAMLINE                       : 5.0.1                              
REMARK 200  X-RAY GENERATOR MODEL          : NULL                               
REMARK 200  MONOCHROMATIC OR LAUE    (M/L) : M                                  
REMARK 200  WAVELENGTH OR RANGE        (A) : 1.00000                            
REMARK 200  MONOCHROMATOR                  : NULL                               
REMARK 200  OPTICS                         : NULL                               
REMARK 200                                                                      
REMARK 200  DETECTOR TYPE                  : CCD                                
REMARK 200  DETECTOR MANUFACTURER          : ADSC QUANTUM 210                   
REMARK 200  INTENSITY-INTEGRATION SOFTWARE : DENZO                              
REMARK 200  DATA SCALING SOFTWARE          : SCALEPACK                          
REMARK 200                                                                      
REMARK 200  NUMBER OF UNIQUE REFLECTIONS   : 4565                               
REMARK 200  RESOLUTION RANGE HIGH      (A) : 2.700                              
REMARK 200  RESOLUTION RANGE LOW       (A) : 30.000                             
REMARK 200  REJECTION CRITERIA  (SIGMA(I)) : 4.000                              
REMARK 200                                                                      
REMARK 200 OVERALL.                                                             
REMARK 200  COMPLETENESS FOR RANGE     (%) : 98.7                               
REMARK 200  DATA REDUNDANCY                : 3.800                              
REMARK 200  R MERGE                    (I) : 0.04600                            
REMARK 200  R SYM                      (I) : 0.04600                            
REMARK 200  <I/SIGMA(I)> FOR THE DATA SET  : 29.4000                            
REMARK 200                                                                      
REMARK 200 IN THE HIGHEST RESOLUTION SHELL.                                     
REMARK 200  HIGHEST RESOLUTION SHELL, RANGE HIGH (A) : 2.70                     
REMARK 200  HIGHEST RESOLUTION SHELL, RANGE LOW  (A) : 2.80                     
REMARK 200  COMPLETENESS FOR SHELL     (%) : 99.6                               
REMARK 200  DATA REDUNDANCY IN SHELL       : 3.70                               
REMARK 200  R MERGE FOR SHELL          (I) : 0.44200                            
REMARK 200  R SYM FOR SHELL            (I) : 0.44200                            
REMARK 200  <I/SIGMA(I)> FOR SHELL         : 2.900                              
REMARK 200                                                                      
REMARK 200 DIFFRACTION PROTOCOL: SINGLE WAVELENGTH                              
REMARK 200 METHOD USED TO DETERMINE THE STRUCTURE: NULL                         
REMARK 200 SOFTWARE USED: CNS                                                   
REMARK 200 STARTING MODEL: NULL                                                 
REMARK 200                                                                      
REMARK 200 REMARK: NULL                                                         
REMARK 280                                                                      
REMARK 280 CRYSTAL                                                              
REMARK 280 SOLVENT CONTENT, VS   (%): 57.16                                     
REMARK 280 MATTHEWS COEFFICIENT, VM (ANGSTROMS**3/DA): 2.87                     
REMARK 280                                                                      
REMARK 280 CRYSTALLIZATION CONDITIONS: 0.2 MM RNA DUPLEX, 10MM MAGNESIUM        
REMARK 280  CHLORIDE, 200MM MAGNESIUM ACETATE, 15% PEG 8000, 50MM CACODYLATE    
REMARK 280  PH 6.5 , VAPOR DIFFUSION, HANGING DROP, TEMPERATURE 295K            
REMARK 290                                                                      
REMARK 290 CRYSTALLOGRAPHIC SYMMETRY                                            
REMARK 290 SYMMETRY OPERATORS FOR SPACE GROUP: P 41                             
REMARK 290                                                                      
REMARK 290      SYMOP   SYMMETRY                                                
REMARK 290     NNNMMM   OPERATOR                                                
REMARK 290       1555   X,Y,Z                                                   
REMARK 290       2555   -X,-Y,Z+1/2                                             
REMARK 290       3555   -Y,X,Z+1/4                                              
REMARK 290       4555   Y,-X,Z+3/4                                              
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        0.00000            
REMARK 290   SMTRY3   2  0.000000  0.000000  1.000000       85.53300            
REMARK 290   SMTRY1   3  0.000000 -1.000000  0.000000        0.00000            
REMARK 290   SMTRY2   3  1.000000  0.000000  0.000000        0.00000            
REMARK 290   SMTRY3   3  0.000000  0.000000  1.000000       42.76650            
REMARK 290   SMTRY1   4  0.000000  1.000000  0.000000        0.00000            
REMARK 290   SMTRY2   4 -1.000000  0.000000  0.000000        0.00000            
REMARK 290   SMTRY3   4  0.000000  0.000000  1.000000      128.29950            
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: DIMERIC                           
REMARK 350 SOFTWARE DETERMINED QUATERNARY STRUCTURE: DIMERIC                    
REMARK 350 SOFTWARE USED: PISA                                                  
REMARK 350 TOTAL BURIED SURFACE AREA: 1930 ANGSTROM**2                          
REMARK 350 SURFACE AREA OF THE COMPLEX: 4260 ANGSTROM**2                        
REMARK 350 CHANGE IN SOLVENT FREE ENERGY: -46.0 KCAL/MOL                        
REMARK 350 APPLY THE FOLLOWING TO CHAINS: A, B                                  
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: DIMERIC                           
REMARK 350 SOFTWARE DETERMINED QUATERNARY STRUCTURE: DIMERIC                    
REMARK 350 SOFTWARE USED: PISA                                                  
REMARK 350 TOTAL BURIED SURFACE AREA: 2060 ANGSTROM**2                          
REMARK 350 SURFACE AREA OF THE COMPLEX: 4290 ANGSTROM**2                        
REMARK 350 CHANGE IN SOLVENT FREE ENERGY: -31.0 KCAL/MOL                        
REMARK 350 APPLY THE FOLLOWING TO CHAINS: 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 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                              MG B 201  MG                            
REMARK 620 N RES CSSEQI ATOM                                                    
REMARK 620 1   A B   3   OP2                                                    
REMARK 620 2 HOH B 315   O    97.2                                              
REMARK 620 N                    1                                               
REMARK 620                                                                      
REMARK 620 COORDINATION ANGLES FOR:  M RES CSSEQI METAL                         
REMARK 620                               K D 319   K                            
REMARK 620 N RES CSSEQI ATOM                                                    
REMARK 620 1   U D  -2   O3'                                                    
REMARK 620 2   C D  -1   OP2  59.7                                              
REMARK 620 3   C D  -1   OP1  58.1  64.1                                        
REMARK 620 N                    1     2                                         
REMARK 800                                                                      
REMARK 800 SITE                                                                 
REMARK 800 SITE_IDENTIFIER: AC1                                                 
REMARK 800 EVIDENCE_CODE: SOFTWARE                                              
REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE MG B 201                  
REMARK 800                                                                      
REMARK 800 SITE_IDENTIFIER: AC2                                                 
REMARK 800 EVIDENCE_CODE: SOFTWARE                                              
REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE K D 202                   
REMARK 800                                                                      
REMARK 800 SITE_IDENTIFIER: AC3                                                 
REMARK 800 EVIDENCE_CODE: SOFTWARE                                              
REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE MG B 203                  
REMARK 800                                                                      
REMARK 800 SITE_IDENTIFIER: AC4                                                 
REMARK 800 EVIDENCE_CODE: SOFTWARE                                              
REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE MG A 204                  
REMARK 800                                                                      
REMARK 800 SITE_IDENTIFIER: AC5                                                 
REMARK 800 EVIDENCE_CODE: SOFTWARE                                              
REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE MG C 205                  
REMARK 800                                                                      
REMARK 800 SITE_IDENTIFIER: AC6                                                 
REMARK 800 EVIDENCE_CODE: SOFTWARE                                              
REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE MG A 306                  
REMARK 800                                                                      
REMARK 800 SITE_IDENTIFIER: AC7                                                 
REMARK 800 EVIDENCE_CODE: SOFTWARE                                              
REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE MG B 308                  
REMARK 800                                                                      
REMARK 800 SITE_IDENTIFIER: AC8                                                 
REMARK 800 EVIDENCE_CODE: SOFTWARE                                              
REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE MG B 312                  
REMARK 800                                                                      
REMARK 800 SITE_IDENTIFIER: AC9                                                 
REMARK 800 EVIDENCE_CODE: SOFTWARE                                              
REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE MG C 316                  
REMARK 800                                                                      
REMARK 800 SITE_IDENTIFIER: BC1                                                 
REMARK 800 EVIDENCE_CODE: SOFTWARE                                              
REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE K D 319                   
REMARK 800                                                                      
REMARK 800 SITE_IDENTIFIER: BC2                                                 
REMARK 800 EVIDENCE_CODE: SOFTWARE                                              
REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE MG C 322                  
REMARK 900                                                                      
REMARK 900 RELATED ENTRIES                                                      
REMARK 900 RELATED ID: 3FS0   RELATED DB: PDB                                   
REMARK 900 HIGHER RESOLUTION CRYSTAL FORM OF SIMILAR CLASS II PRODUCT-TEMPLATE  
REMARK 900 DUPLEX                                                               
DBREF  3FTM A   43    53  PDB    3FTM     3FTM            43     53             
DBREF  3FTM C   43    53  PDB    3FTM     3FTM            43     53             
DBREF  3FTM B   -6     6  PDB    3FTM     3FTM            -6      6             
DBREF  3FTM D   -6     6  PDB    3FTM     3FTM            -6      6             
SEQRES   1 A   11    G   U   G   U   G   A   G   G   C   U   G                  
SEQRES   1 B   12    C   C   A   G   U   C   G   G   A   A   C   A              
SEQRES   1 C   11    G   U   G   U   G   A   G   G   C   U   G                  
SEQRES   1 D   12    C   C   A   G   U   C   G   G   A   A   C   A              
HET     MG  A 204       1                                                       
HET     MG  A 306       1                                                       
HET     MG  B 201       1                                                       
HET     MG  B 203       1                                                       
HET     MG  B 308       1                                                       
HET     MG  B 312       1                                                       
HET     MG  C 205       1                                                       
HET     MG  C 316       1                                                       
HET     MG  C 322       1                                                       
HET      K  D 202       1                                                       
HET      K  D 319       1                                                       
HETNAM      MG MAGNESIUM ION                                                    
HETNAM       K POTASSIUM ION                                                    
FORMUL   5   MG    9(MG 2+)                                                     
FORMUL  14    K    2(K 1+)                                                      
FORMUL  16  HOH   *6(H2 O)                                                      
LINK         O2'   C B  -1                 P     G B   1     1555   1555  1.61  
LINK         O2'   C D  -1                 P     G D   1     1555   1555  1.61  
LINK         O2'   A A  48                MG    MG A 306     1555   1555  2.17  
LINK        MG    MG A 204                 O   HOH A 310     1555   1555  2.22  
LINK         OP2   A B   3                MG    MG B 201     1555   1555  1.94  
LINK        MG    MG B 201                 O   HOH B 315     1555   1555  2.09  
LINK         O3'   U D  -2                 K     K D 319     1555   1555  2.66  
LINK         OP2   C D  -1                 K     K D 319     1555   1555  2.34  
LINK         OP1   C D  -1                 K     K D 319     1555   1555  2.50  
LINK         OP2   A D   3                 K     K D 202     1555   1555  2.40  
SITE     1 AC1  2   A B   3  HOH B 315                                          
SITE     1 AC2  1   A D   3                                                     
SITE     1 AC3  2   A B   3    A B   4                                          
SITE     1 AC4  4   G A  43    G A  53  HOH A 309  HOH A 310                    
SITE     1 AC5  1   G C  53                                                     
SITE     1 AC6  3   A A  48    A D   4    C D   5                               
SITE     1 AC7  2   C A  51    U B  -2                                          
SITE     1 AC8  3   G A  47    A A  48    G B   1                               
SITE     1 AC9  1   U C  46                                                     
SITE     1 BC1  3   G A  53    C D  -1    U D  -2                               
SITE     1 BC2  4   U C  46    G C  47    G D   1    G D   2                    
CRYST1   31.550   31.550  171.066  90.00  90.00  90.00 P 41          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      0.031696  0.000000  0.000000        0.00000                         
SCALE2      0.000000  0.031696  0.000000        0.00000                         
SCALE3      0.000000  0.000000  0.005846        0.00000