PDB Short entry for 2GQ6
HEADER    RNA                                     20-APR-06   2GQ6              
TITLE     CRYSTAL STRUCTURE OF AN RNA RACEMATE                                  
COMPND    MOL_ID: 1;                                                            
COMPND   2 MOLECULE: RNA (5'-R(*(0C)P*(0U)P*(0G)P*(0G)P*(0G)P*(0C)P*(0G)P*(0G))-
COMPND   3 3');                                                                 
COMPND   4 CHAIN: K, M;                                                         
COMPND   5 ENGINEERED: YES;                                                     
COMPND   6 MOL_ID: 2;                                                           
COMPND   7 MOLECULE: RNA (5'-R(*(0C)P*(0C)P*(0G)P*(0C)P*(0C)P*(0U)P*(0G)P*(0G))-
COMPND   8 3');                                                                 
COMPND   9 CHAIN: L, N;                                                         
COMPND  10 ENGINEERED: YES                                                      
SOURCE    MOL_ID: 1;                                                            
SOURCE   2 SYNTHETIC: YES;                                                      
SOURCE   3 OTHER_DETAILS: THIS SEQUENCE IS A 'SPIEGELMER' AND OCCURS IN 5S RNA  
SOURCE   4 FROM THERMUS FLAVUS;                                                 
SOURCE   5 MOL_ID: 2;                                                           
SOURCE   6 SYNTHETIC: YES;                                                      
SOURCE   7 OTHER_DETAILS: THIS IS A 'SPIEGELMER' OF A SEQUENCE FROM 5S RNA FROM 
SOURCE   8 THERMUS FLAVUS                                                       
KEYWDS    DOUBLE HELIX, RACEMATE, RNA                                           
EXPDTA    X-RAY DIFFRACTION                                                     
NUMMDL    2                                                                     
AUTHOR    W.RYPNIEWSKI,M.VALLAZZA,M.PERBANDT,S.KLUSSMANN,C.BETZEL,V.A.ERDMANN   
REVDAT   6   03-APR-24 2GQ6    1       REMARK                                   
REVDAT   5   14-FEB-24 2GQ6    1       REMARK LINK                              
REVDAT   4   28-MAR-12 2GQ6    1       CRYST1                                   
REVDAT   3   13-JUL-11 2GQ6    1       VERSN                                    
REVDAT   2   24-FEB-09 2GQ6    1       VERSN                                    
REVDAT   1   27-JUN-06 2GQ6    0                                                
JRNL        AUTH   W.RYPNIEWSKI,M.VALLAZZA,M.PERBANDT,S.KLUSSMANN,L.J.DELUCAS,  
JRNL        AUTH 2 C.BETZEL,V.A.ERDMANN                                         
JRNL        TITL   THE FIRST CRYSTAL STRUCTURE OF AN RNA RACEMATE.              
JRNL        REF    ACTA CRYSTALLOGR.,SECT.D      V.  62   659 2006              
JRNL        REFN                   ISSN 0907-4449                               
JRNL        PMID   16699193                                                     
JRNL        DOI    10.1107/S090744490601359X                                    
REMARK   2                                                                      
REMARK   2 RESOLUTION.    1.30 ANGSTROMS.                                       
REMARK   3                                                                      
REMARK   3 REFINEMENT.                                                          
REMARK   3   PROGRAM     : REFMAC 5.1                                           
REMARK   3   AUTHORS     : MURSHUDOV,SKUBAK,LEBEDEV,PANNU,STEINER,              
REMARK   3               : NICHOLLS,WINN,LONG,VAGIN                             
REMARK   3                                                                      
REMARK   3    REFINEMENT TARGET : ENGH & HUBER                                  
REMARK   3                                                                      
REMARK   3  DATA USED IN REFINEMENT.                                            
REMARK   3   RESOLUTION RANGE HIGH (ANGSTROMS) : 1.30                           
REMARK   3   RESOLUTION RANGE LOW  (ANGSTROMS) : 20.00                          
REMARK   3   DATA CUTOFF            (SIGMA(F)) : 0.000                          
REMARK   3   COMPLETENESS FOR RANGE        (%) : 96.0                           
REMARK   3   NUMBER OF REFLECTIONS             : 36127                          
REMARK   3                                                                      
REMARK   3  FIT TO DATA USED IN REFINEMENT.                                     
REMARK   3   CROSS-VALIDATION METHOD          : THOUGHOUT                       
REMARK   3   FREE R VALUE TEST SET SELECTION  : RANDOM                          
REMARK   3   R VALUE     (WORKING + TEST SET) : 0.264                           
REMARK   3   R VALUE            (WORKING SET) : NULL                            
REMARK   3   FREE R VALUE                     : 0.295                           
REMARK   3   FREE R VALUE TEST SET SIZE   (%) : NULL                            
REMARK   3   FREE R VALUE TEST SET COUNT      : 722                             
REMARK   3                                                                      
REMARK   3  FIT IN THE HIGHEST RESOLUTION BIN.                                  
REMARK   3   TOTAL NUMBER OF BINS USED           : NULL                         
REMARK   3   BIN RESOLUTION RANGE HIGH       (A) : NULL                         
REMARK   3   BIN RESOLUTION RANGE LOW        (A) : NULL                         
REMARK   3   REFLECTION IN BIN     (WORKING SET) : NULL                         
REMARK   3   BIN COMPLETENESS (WORKING+TEST) (%) : NULL                         
REMARK   3   BIN R VALUE           (WORKING SET) : NULL                         
REMARK   3   BIN FREE R VALUE SET COUNT          : NULL                         
REMARK   3   BIN FREE R VALUE                    : NULL                         
REMARK   3                                                                      
REMARK   3  NUMBER OF NON-HYDROGEN ATOMS USED IN REFINEMENT.                    
REMARK   3   PROTEIN ATOMS            : 0                                       
REMARK   3   NUCLEIC ACID ATOMS       : 675                                     
REMARK   3   HETEROGEN ATOMS          : 12                                      
REMARK   3   SOLVENT ATOMS            : 214                                     
REMARK   3                                                                      
REMARK   3  B VALUES.                                                           
REMARK   3   FROM WILSON PLOT           (A**2) : 12.00                          
REMARK   3   MEAN B VALUE      (OVERALL, A**2) : NULL                           
REMARK   3   OVERALL ANISOTROPIC B VALUE.                                       
REMARK   3    B11 (A**2) : NULL                                                 
REMARK   3    B22 (A**2) : NULL                                                 
REMARK   3    B33 (A**2) : NULL                                                 
REMARK   3    B12 (A**2) : NULL                                                 
REMARK   3    B13 (A**2) : NULL                                                 
REMARK   3    B23 (A**2) : NULL                                                 
REMARK   3                                                                      
REMARK   3  ESTIMATED OVERALL COORDINATE ERROR.                                 
REMARK   3   ESU BASED ON R VALUE                            (A): NULL          
REMARK   3   ESU BASED ON FREE R VALUE                       (A): NULL          
REMARK   3   ESU BASED ON MAXIMUM LIKELIHOOD                 (A): NULL          
REMARK   3   ESU FOR B VALUES BASED ON MAXIMUM LIKELIHOOD (A**2): NULL          
REMARK   3                                                                      
REMARK   3 CORRELATION COEFFICIENTS.                                            
REMARK   3   CORRELATION COEFFICIENT FO-FC      : NULL                          
REMARK   3   CORRELATION COEFFICIENT FO-FC FREE : NULL                          
REMARK   3                                                                      
REMARK   3  RMS DEVIATIONS FROM IDEAL VALUES        COUNT    RMS    WEIGHT      
REMARK   3   BOND LENGTHS REFINED ATOMS        (A):  NULL ; 0.013 ;  NULL       
REMARK   3   BOND LENGTHS OTHERS               (A):  NULL ;  NULL ;  NULL       
REMARK   3   BOND ANGLES REFINED ATOMS   (DEGREES):  NULL ; 2.099 ;  NULL       
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):  NULL ; 4.648 ;  NULL       
REMARK   3   GENERAL PLANES REFINED ATOMS      (A):  NULL ;  NULL ;  NULL       
REMARK   3   GENERAL PLANES OTHERS             (A):  NULL ;  NULL ;  NULL       
REMARK   3   NON-BONDED CONTACTS REFINED ATOMS (A):  NULL ;  NULL ;  NULL       
REMARK   3   NON-BONDED CONTACTS OTHERS        (A):  NULL ;  NULL ;  NULL       
REMARK   3   NON-BONDED TORSION REFINED ATOMS  (A):  NULL ;  NULL ;  NULL       
REMARK   3   NON-BONDED TORSION OTHERS         (A):  NULL ;  NULL ;  NULL       
REMARK   3   H-BOND (X...Y) REFINED ATOMS      (A):  NULL ;  NULL ;  NULL       
REMARK   3   H-BOND (X...Y) OTHERS             (A):  NULL ;  NULL ;  NULL       
REMARK   3   POTENTIAL METAL-ION REFINED ATOMS (A):  NULL ;  NULL ;  NULL       
REMARK   3   POTENTIAL METAL-ION OTHERS        (A):  NULL ;  NULL ;  NULL       
REMARK   3   SYMMETRY VDW REFINED ATOMS        (A):  NULL ;  NULL ;  NULL       
REMARK   3   SYMMETRY VDW OTHERS               (A):  NULL ;  NULL ;  NULL       
REMARK   3   SYMMETRY H-BOND REFINED ATOMS     (A):  NULL ;  NULL ;  NULL       
REMARK   3   SYMMETRY H-BOND OTHERS            (A):  NULL ;  NULL ;  NULL       
REMARK   3   SYMMETRY METAL-ION REFINED ATOMS  (A):  NULL ;  NULL ;  NULL       
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):  NULL ;  NULL ;  NULL       
REMARK   3   SIDE-CHAIN BOND OTHER ATOMS    (A**2):  NULL ;  NULL ;  NULL       
REMARK   3   SIDE-CHAIN ANGLE REFINED ATOMS (A**2):  NULL ;  NULL ;  NULL       
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):  NULL ;  NULL ;  NULL       
REMARK   3   SPHERICITY; FREE ATOMS         (A**2):  NULL ;  NULL ;  NULL       
REMARK   3   SPHERICITY; BONDED ATOMS       (A**2):  NULL ;  NULL ;  NULL       
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 : NULL                                                 
REMARK   3   PARAMETERS FOR MASK CALCULATION                                    
REMARK   3   VDW PROBE RADIUS   : NULL                                          
REMARK   3   ION PROBE RADIUS   : NULL                                          
REMARK   3   SHRINKAGE RADIUS   : NULL                                          
REMARK   3                                                                      
REMARK   3  OTHER REFINEMENT REMARKS: NULL                                      
REMARK   4                                                                      
REMARK   4 2GQ6 COMPLIES WITH FORMAT V. 3.15, 01-DEC-08                         
REMARK 100                                                                      
REMARK 100 THIS ENTRY HAS BEEN PROCESSED BY RCSB ON 27-APR-06.                  
REMARK 100 THE DEPOSITION ID IS D_1000037418.                                   
REMARK 200                                                                      
REMARK 200 EXPERIMENTAL DETAILS                                                 
REMARK 200  EXPERIMENT TYPE                : X-RAY DIFFRACTION                  
REMARK 200  DATE OF DATA COLLECTION        : 23-DEC-03                          
REMARK 200  TEMPERATURE           (KELVIN) : 100                                
REMARK 200  PH                             : 7.5                                
REMARK 200  NUMBER OF CRYSTALS USED        : 1                                  
REMARK 200                                                                      
REMARK 200  SYNCHROTRON              (Y/N) : Y                                  
REMARK 200  RADIATION SOURCE               : EMBL/DESY, HAMBURG                 
REMARK 200  BEAMLINE                       : X13                                
REMARK 200  X-RAY GENERATOR MODEL          : NULL                               
REMARK 200  MONOCHROMATIC OR LAUE    (M/L) : M                                  
REMARK 200  WAVELENGTH OR RANGE        (A) : 0.802                              
REMARK 200  MONOCHROMATOR                  : SI                                 
REMARK 200  OPTICS                         : NULL                               
REMARK 200                                                                      
REMARK 200  DETECTOR TYPE                  : CCD                                
REMARK 200  DETECTOR MANUFACTURER          : MAR CCD 165 MM                     
REMARK 200  INTENSITY-INTEGRATION SOFTWARE : DENZO                              
REMARK 200  DATA SCALING SOFTWARE          : SCALEPACK                          
REMARK 200                                                                      
REMARK 200  NUMBER OF UNIQUE REFLECTIONS   : 36127                              
REMARK 200  RESOLUTION RANGE HIGH      (A) : 1.300                              
REMARK 200  RESOLUTION RANGE LOW       (A) : 20.000                             
REMARK 200  REJECTION CRITERIA  (SIGMA(I)) : 0.000                              
REMARK 200                                                                      
REMARK 200 OVERALL.                                                             
REMARK 200  COMPLETENESS FOR RANGE     (%) : 96.0                               
REMARK 200  DATA REDUNDANCY                : 6.500                              
REMARK 200  R MERGE                    (I) : NULL                               
REMARK 200  R SYM                      (I) : 0.08400                            
REMARK 200  <I/SIGMA(I)> FOR THE DATA SET  : 6.0000                             
REMARK 200                                                                      
REMARK 200 IN THE HIGHEST RESOLUTION SHELL.                                     
REMARK 200  HIGHEST RESOLUTION SHELL, RANGE HIGH (A) : 1.30                     
REMARK 200  HIGHEST RESOLUTION SHELL, RANGE LOW  (A) : 1.32                     
REMARK 200  COMPLETENESS FOR SHELL     (%) : 95.0                               
REMARK 200  DATA REDUNDANCY IN SHELL       : 2.60                               
REMARK 200  R MERGE FOR SHELL          (I) : NULL                               
REMARK 200  R SYM FOR SHELL            (I) : 0.31300                            
REMARK 200  <I/SIGMA(I)> FOR SHELL         : 3.300                              
REMARK 200                                                                      
REMARK 200 DIFFRACTION PROTOCOL: SINGLE WAVELENGTH                              
REMARK 200 METHOD USED TO DETERMINE THE STRUCTURE: MOLECULAR REPLACEMENT        
REMARK 200 SOFTWARE USED: AMORE                                                 
REMARK 200 STARTING MODEL: NDB ENTRY AR0012                                     
REMARK 200                                                                      
REMARK 200 REMARK: NULL                                                         
REMARK 280                                                                      
REMARK 280 CRYSTAL                                                              
REMARK 280 SOLVENT CONTENT, VS   (%): 37.19                                     
REMARK 280 MATTHEWS COEFFICIENT, VM (ANGSTROMS**3/DA): 1.96                     
REMARK 280                                                                      
REMARK 280 CRYSTALLIZATION CONDITIONS: 7% PEG 400, 0.1 M CACL2, 50 MM HEPES,    
REMARK 280  PH 7.5, VAPOR DIFFUSION, HANGING DROP, TEMPERATURE 287K             
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       2555   -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   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        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 BIOLOGICALLY RELEVANT (ALTHOUGH NOT BIOLOGICAL) RNA      
REMARK 300 FRAGMENT IS THE DUPLEX FORMED BY CHAINS M+N, K+L AND X+Y             
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 APPLY THE FOLLOWING TO CHAINS: K, L                                  
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 APPLY THE FOLLOWING TO CHAINS: M, N                                  
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      0C K  79    O5'                                                 
REMARK 500                                                                      
REMARK 500 GEOMETRY AND STEREOCHEMISTRY                                         
REMARK 500 SUBTOPIC: COVALENT BOND LENGTHS                                      
REMARK 500                                                                      
REMARK 500 THE STEREOCHEMICAL PARAMETERS OF THE FOLLOWING RESIDUES              
REMARK 500 HAVE VALUES WHICH DEVIATE FROM EXPECTED VALUES BY MORE               
REMARK 500 THAN 6*RMSD (M=MODEL NUMBER; RES=RESIDUE NAME; C=CHAIN               
REMARK 500 IDENTIFIER; SSEQ=SEQUENCE NUMBER; I=INSERTION CODE).                 
REMARK 500                                                                      
REMARK 500 STANDARD TABLE:                                                      
REMARK 500 FORMAT: (10X,I3,1X,2(A3,1X,A1,I4,A1,1X,A4,3X),1X,F6.3)               
REMARK 500                                                                      
REMARK 500 EXPECTED VALUES PROTEIN: ENGH AND HUBER, 1999                        
REMARK 500 EXPECTED VALUES NUCLEIC ACID: CLOWNEY ET AL 1996                     
REMARK 500                                                                      
REMARK 500  M RES CSSEQI ATM1   RES CSSEQI ATM2   DEVIATION                     
REMARK 500  1  0G L  92   O5'    0G L  92   C5'    -0.064                       
REMARK 500  1  0G M  81   N1     0G M  81   C2     -0.058                       
REMARK 500  1  0G M  82   C2     0G M  82   N3      0.053                       
REMARK 500  1  0C N  93   C4     0C N  93   C5     -0.049                       
REMARK 500  2  0G M  81   N1     0G M  81   C2     -0.058                       
REMARK 500  2  0G M  82   C2     0G M  82   N3      0.053                       
REMARK 500  2  0C N  93   C4     0C N  93   C5     -0.049                       
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  1  0U K  80   C2  -  N3  -  C4  ANGL. DEV. =  -3.7 DEGREES          
REMARK 500  1  0C K  84   O5' -  C5' -  C4' ANGL. DEV. =  -6.7 DEGREES          
REMARK 500  1  0C K  84   O4' -  C4' -  C3' ANGL. DEV. =  -6.8 DEGREES          
REMARK 500  1  0C K  84   C3' -  C2' -  C1' ANGL. DEV. =  -6.0 DEGREES          
REMARK 500  1  0G K  86   N9  -  C1' -  C2' ANGL. DEV. =  -8.2 DEGREES          
REMARK 500  1  0G K  86   C5  -  C6  -  N1  ANGL. DEV. =   3.1 DEGREES          
REMARK 500  1  0C L  93   N3  -  C4  -  C5  ANGL. DEV. =  -3.0 DEGREES          
REMARK 500  1  0U M  80   N1  -  C2  -  O2  ANGL. DEV. =  -5.1 DEGREES          
REMARK 500  1  0G M  82   C6  -  N1  -  C2  ANGL. DEV. =  -4.5 DEGREES          
REMARK 500  1  0G M  82   C5  -  C6  -  N1  ANGL. DEV. =   4.5 DEGREES          
REMARK 500  1  0G M  82   C5  -  C6  -  O6  ANGL. DEV. =  -4.2 DEGREES          
REMARK 500  1  0C M  84   C6  -  N1  -  C2  ANGL. DEV. =   2.5 DEGREES          
REMARK 500  1  0C M  84   C5  -  C4  -  N4  ANGL. DEV. =  -4.8 DEGREES          
REMARK 500  1  0G M  85   C4  -  C5  -  N7  ANGL. DEV. =  -2.9 DEGREES          
REMARK 500  1  0G M  85   N9  -  C4  -  C5  ANGL. DEV. =   3.6 DEGREES          
REMARK 500  1  0G M  86   C4  -  C5  -  N7  ANGL. DEV. =   2.5 DEGREES          
REMARK 500  1  0C N  90   N3  -  C2  -  O2  ANGL. DEV. =   5.3 DEGREES          
REMARK 500  1  0C N  91   C6  -  N1  -  C2  ANGL. DEV. =  -2.5 DEGREES          
REMARK 500  2  0G K  82   O5' -  C5' -  C4' ANGL. DEV. =  -5.8 DEGREES          
REMARK 500  2  0G K  83   O5' -  C5' -  C4' ANGL. DEV. =  -5.3 DEGREES          
REMARK 500  2  0G K  85   C4  -  C5  -  C6  ANGL. DEV. =  -3.9 DEGREES          
REMARK 500  2  0G K  85   C5  -  C6  -  O6  ANGL. DEV. =  -3.6 DEGREES          
REMARK 500  2  0C L  91   C3' -  C2' -  C1' ANGL. DEV. =  -4.4 DEGREES          
REMARK 500  2  0G L  92   O5' -  C5' -  C4' ANGL. DEV. =  -9.1 DEGREES          
REMARK 500  2  0C L  94   N3  -  C2  -  O2  ANGL. DEV. =  -4.6 DEGREES          
REMARK 500  2  0U L  95   C3' -  C2' -  C1' ANGL. DEV. =   4.8 DEGREES          
REMARK 500  2  0G L  97   C3' -  C2' -  C1' ANGL. DEV. =   5.0 DEGREES          
REMARK 500  2  0U M  80   N1  -  C2  -  O2  ANGL. DEV. =  -5.1 DEGREES          
REMARK 500  2  0G M  82   C6  -  N1  -  C2  ANGL. DEV. =  -4.5 DEGREES          
REMARK 500  2  0G M  82   C5  -  C6  -  N1  ANGL. DEV. =   4.5 DEGREES          
REMARK 500  2  0G M  82   C5  -  C6  -  O6  ANGL. DEV. =  -4.2 DEGREES          
REMARK 500  2  0C M  84   C6  -  N1  -  C2  ANGL. DEV. =   2.5 DEGREES          
REMARK 500  2  0C M  84   C5  -  C4  -  N4  ANGL. DEV. =  -4.8 DEGREES          
REMARK 500  2  0G M  85   C4  -  C5  -  N7  ANGL. DEV. =  -2.9 DEGREES          
REMARK 500  2  0G M  85   N9  -  C4  -  C5  ANGL. DEV. =   3.6 DEGREES          
REMARK 500  2  0G M  86   C4  -  C5  -  N7  ANGL. DEV. =   2.5 DEGREES          
REMARK 500  2  0C N  90   N3  -  C2  -  O2  ANGL. DEV. =   5.3 DEGREES          
REMARK 500  2  0C N  91   C6  -  N1  -  C2  ANGL. DEV. =  -2.5 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 N 306  CA                            
REMARK 620 N RES CSSEQI ATOM                                                    
REMARK 620 1 HOH K  59   O                                                      
REMARK 620 2 HOH N  45   O    70.4                                              
REMARK 620 3 HOH N  53   O   139.9  74.5                                        
REMARK 620 4 HOH N  60   O   146.6 143.0  71.1                                  
REMARK 620 5 HOH N  65   O    70.4 137.0 131.4  78.1                            
REMARK 620 6 HOH N  73   O    83.3  82.6  73.4 100.0  76.1                      
REMARK 620 7  0G N  97   O3' 113.3  74.6  74.1  83.3 138.5 144.2                
REMARK 620 8  0G N  97   O2'  78.9 112.0 133.4  83.3  76.6 151.2  64.5          
REMARK 620 N                    1     2     3     4     5     6     7           
REMARK 620                                                                      
REMARK 620 COORDINATION ANGLES FOR:  M RES CSSEQI METAL                         
REMARK 620                              CA L 310  CA                            
REMARK 620 N RES CSSEQI ATOM                                                    
REMARK 620 1  0G L  97   O3'                                                    
REMARK 620 2  0G L  97   O2'  62.8                                              
REMARK 620 3 HOH L 101   O    79.1  72.9                                        
REMARK 620 4 HOH L 115   O    76.7 117.5 143.7                                  
REMARK 620 5 HOH L 168   O   139.4  77.5  81.8 133.3                            
REMARK 620 6 HOH L 205   O    71.3 126.9  73.3  73.5 135.2                      
REMARK 620 7 HOH M 117   O   110.5  84.5 148.2  66.9  71.5 138.3                
REMARK 620 N                    1     2     3     4     5     6                 
REMARK 620                                                                      
REMARK 620 COORDINATION ANGLES FOR:  M RES CSSEQI METAL                         
REMARK 620                              CA M 311  CA                            
REMARK 620 N RES CSSEQI ATOM                                                    
REMARK 620 1 HOH M   8   O                                                      
REMARK 620 2 HOH M  74   O    60.1                                              
REMARK 620 3  0G M  82   N7  106.2  79.8                                        
REMARK 620 4 HOH M  91   O   148.9 115.2 102.7                                  
REMARK 620 N                    1     2     3                                   
REMARK 620                                                                      
REMARK 620 COORDINATION ANGLES FOR:  M RES CSSEQI METAL                         
REMARK 620                              CA M 308  CA                            
REMARK 620 N RES CSSEQI ATOM                                                    
REMARK 620 1 HOH M  29   O                                                      
REMARK 620 2 HOH M  36   O    73.7                                              
REMARK 620 3 HOH M  43   O    71.3 143.3                                        
REMARK 620 4 HOH M  46   O   138.6 147.4  68.8                                  
REMARK 620 5 HOH M  62   O   132.1  75.2 138.8  76.7                            
REMARK 620 6  0G M  86   O3'  72.3  84.5  74.6 106.6 138.8                      
REMARK 620 7  0G M  86   O2' 130.2  77.9 117.6  79.5  75.8  65.0                
REMARK 620 8 HOH M 136   O    74.5  98.2  83.1  90.1  74.9 144.4 150.4          
REMARK 620 N                    1     2     3     4     5     6     7           
REMARK 620                                                                      
REMARK 620 COORDINATION ANGLES FOR:  M RES CSSEQI METAL                         
REMARK 620                              CA N 302  CA                            
REMARK 620 N RES CSSEQI ATOM                                                    
REMARK 620 1 HOH N   4   O                                                      
REMARK 620 2 HOH N   5   O    84.5                                              
REMARK 620 3 HOH N  24   O   152.9  74.9                                        
REMARK 620 4 HOH N  31   O    80.4  81.2  79.3                                  
REMARK 620 5 HOH N  63   O    85.2  82.0 108.6 158.8                            
REMARK 620 6 HOH N 122   O   117.0 146.2  75.6  77.5 123.2                      
REMARK 620 7 HOH N 125   O    76.1 154.0 128.4 111.7  79.3  59.7                
REMARK 620 N                    1     2     3     4     5     6                 
REMARK 620                                                                      
REMARK 620 COORDINATION ANGLES FOR:  M RES CSSEQI METAL                         
REMARK 620                              CA N 304  CA                            
REMARK 620 N RES CSSEQI ATOM                                                    
REMARK 620 1 HOH N   5   O                                                      
REMARK 620 2 HOH N  17   O    73.4                                              
REMARK 620 3 HOH N  24   O    76.6 116.2                                        
REMARK 620 4 HOH N  63   O    71.8 121.4  99.5                                  
REMARK 620 5 HOH N  84   O   150.0 133.0  97.6  80.4                            
REMARK 620 6  0G N  96   OP1 135.0  80.5  83.4 152.1  71.7                      
REMARK 620 7 HOH N 111   O   101.3  72.6 169.2  70.0  78.9 104.9                
REMARK 620 N                    1     2     3     4     5     6                 
REMARK 800                                                                      
REMARK 800 SITE                                                                 
REMARK 800 SITE_IDENTIFIER: AC1                                                 
REMARK 800 EVIDENCE_CODE: SOFTWARE                                              
REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE CA N 302                  
REMARK 800                                                                      
REMARK 800 SITE_IDENTIFIER: AC2                                                 
REMARK 800 EVIDENCE_CODE: SOFTWARE                                              
REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE CA N 304                  
REMARK 800                                                                      
REMARK 800 SITE_IDENTIFIER: AC3                                                 
REMARK 800 EVIDENCE_CODE: SOFTWARE                                              
REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE CA N 306                  
REMARK 800                                                                      
REMARK 800 SITE_IDENTIFIER: AC4                                                 
REMARK 800 EVIDENCE_CODE: SOFTWARE                                              
REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE CA M 308                  
REMARK 800                                                                      
REMARK 800 SITE_IDENTIFIER: AC5                                                 
REMARK 800 EVIDENCE_CODE: SOFTWARE                                              
REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE CA L 310                  
REMARK 800                                                                      
REMARK 800 SITE_IDENTIFIER: AC6                                                 
REMARK 800 EVIDENCE_CODE: SOFTWARE                                              
REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE CA M 311                  
REMARK 800                                                                      
REMARK 800 SITE_IDENTIFIER: AC7                                                 
REMARK 800 EVIDENCE_CODE: SOFTWARE                                              
REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE GOL N 301                 
REMARK 900                                                                      
REMARK 900 RELATED ENTRIES                                                      
REMARK 900 RELATED ID: 2G32   RELATED DB: PDB                                   
REMARK 900 ANOTHER CRYSTAL OF SIMILAR TYPE                                      
REMARK 900 RELATED ID: 2GPM   RELATED DB: PDB                                   
REMARK 900 ANOTHER CRYSTAL OF SIMILAR TYPE                                      
REMARK 900 RELATED ID: 2GQ4   RELATED DB: PDB                                   
REMARK 900 ANOTHER CRYSTAL OF SIMILAR TYPE                                      
REMARK 900 RELATED ID: 2GQ5   RELATED DB: PDB                                   
REMARK 900 ANOTHER CRYSTAL OF SIMILAR TYPE                                      
REMARK 900 RELATED ID: 2GQ7   RELATED DB: PDB                                   
DBREF  2GQ6 K   79    86  PDB    2GQ6     2GQ6            79     86             
DBREF  2GQ6 L   90    97  PDB    2GQ6     2GQ6            90     97             
DBREF  2GQ6 M   79    86  PDB    2GQ6     2GQ6            79     86             
DBREF  2GQ6 N   90    97  PDB    2GQ6     2GQ6            90     97             
SEQRES   1 K    8   0C  0U  0G  0G  0G  0C  0G  0G                              
SEQRES   1 L    8   0C  0C  0G  0C  0C  0U  0G  0G                              
SEQRES   1 M    8   0C  0U  0G  0G  0G  0C  0G  0G                              
SEQRES   1 N    8   0C  0C  0G  0C  0C  0U  0G  0G                              
HET     0C  K  79      16                                                       
HET     0U  K  80      20                                                       
HET     0G  K  81      23                                                       
HET     0G  K  82      23                                                       
HET     0G  K  83      23                                                       
HET     0C  K  84      20                                                       
HET     0G  K  85      23                                                       
HET     0G  K  86      23                                                       
HET     0C  L  90      17                                                       
HET     0C  L  91      20                                                       
HET     0G  L  92      23                                                       
HET     0C  L  93      20                                                       
HET     0C  L  94      20                                                       
HET     0U  L  95      20                                                       
HET     0G  L  96      23                                                       
HET     0G  L  97      23                                                       
HET     0C  M  79      17                                                       
HET     0U  M  80      20                                                       
HET     0G  M  81      23                                                       
HET     0G  M  82      23                                                       
HET     0G  M  83      23                                                       
HET     0C  M  84      20                                                       
HET     0G  M  85      23                                                       
HET     0G  M  86      23                                                       
HET     0C  N  90      17                                                       
HET     0C  N  91      20                                                       
HET     0G  N  92      23                                                       
HET     0C  N  93      20                                                       
HET     0C  N  94      20                                                       
HET     0U  N  95      20                                                       
HET     0G  N  96      23                                                       
HET     0G  N  97      23                                                       
HET     CA  L 310       1                                                       
HET     CA  M 308       1                                                       
HET     CA  M 311       1                                                       
HET     CA  N 302       1                                                       
HET     CA  N 304       1                                                       
HET     CA  N 306       1                                                       
HET    GOL  N 301       6                                                       
HETNAM      0C L-CYTIDINE-5'-MONOPHOSPHATE                                      
HETNAM      0U L-URIDINE-5'-MONOPHOSPHATE                                       
HETNAM      0G L-GUANOSINE-5'-MONOPHOSPHATE                                     
HETNAM      CA CALCIUM ION                                                      
HETNAM     GOL GLYCEROL                                                         
HETSYN     GOL GLYCERIN; PROPANE-1,2,3-TRIOL                                    
FORMUL   1   0C    12(C9 H14 N3 O8 P)                                           
FORMUL   1   0U    4(C9 H13 N2 O9 P)                                            
FORMUL   1   0G    16(C10 H14 N5 O8 P)                                          
FORMUL   5   CA    6(CA 2+)                                                     
FORMUL  11  GOL    C3 H8 O3                                                     
FORMUL  12  HOH   *214(H2 O)                                                    
LINK         O3'A 0C K  79                 P  A 0U K  80     1555   1555  1.59  
LINK         O3'A 0U K  80                 P  A 0G K  81     1555   1555  1.61  
LINK         O3'A 0G K  81                 P  A 0G K  82     1555   1555  1.62  
LINK         O3'A 0G K  82                 P  A 0G K  83     1555   1555  1.60  
LINK         O3'A 0G K  83                 P  A 0C K  84     1555   1555  1.60  
LINK         O3'A 0C K  84                 P  A 0G K  85     1555   1555  1.60  
LINK         O3'A 0G K  85                 P  A 0G K  86     1555   1555  1.57  
LINK         O3'A 0C L  90                 P  A 0C L  91     1555   1555  1.57  
LINK         O3'A 0C L  91                 P  A 0G L  92     1555   1555  1.60  
LINK         O3'A 0G L  92                 P  A 0C L  93     1555   1555  1.61  
LINK         O3'A 0C L  93                 P  A 0C L  94     1555   1555  1.60  
LINK         O3'A 0C L  94                 P  A 0U L  95     1555   1555  1.59  
LINK         O3'A 0U L  95                 P  A 0G L  96     1555   1555  1.60  
LINK         O3'A 0G L  96                 P  A 0G L  97     1555   1555  1.61  
LINK         O3'A 0C M  79                 P  A 0U M  80     1555   1555  1.59  
LINK         O3'A 0U M  80                 P  A 0G M  81     1555   1555  1.61  
LINK         O3'A 0G M  81                 P  A 0G M  82     1555   1555  1.59  
LINK         O3'A 0G M  82                 P  A 0G M  83     1555   1555  1.59  
LINK         O3'A 0G M  83                 P  A 0C M  84     1555   1555  1.57  
LINK         O3'A 0C M  84                 P  A 0G M  85     1555   1555  1.59  
LINK         O3'A 0G M  85                 P  A 0G M  86     1555   1555  1.59  
LINK         O3'A 0C N  90                 P  A 0C N  91     1555   1555  1.61  
LINK         O3'A 0C N  91                 P  A 0G N  92     1555   1555  1.59  
LINK         O3'A 0G N  92                 P  A 0C N  93     1555   1555  1.57  
LINK         O3'A 0C N  93                 P  A 0C N  94     1555   1555  1.62  
LINK         O3'A 0C N  94                 P  A 0U N  95     1555   1555  1.58  
LINK         O3'A 0U N  95                 P  A 0G N  96     1555   1555  1.58  
LINK         O3'A 0G N  96                 P  A 0G N  97     1555   1555  1.60  
LINK         O  AHOH K  59                CA  A CA N 306     1555   1555  2.21  
LINK         O3'A 0G L  97                CA  A CA L 310     1555   1555  2.64  
LINK         O2'A 0G L  97                CA  A CA L 310     1555   1555  2.48  
LINK         O  AHOH L 101                CA  A CA L 310     1555   1555  2.51  
LINK         O  AHOH L 115                CA  A CA L 310     1555   1555  2.36  
LINK         O  AHOH L 168                CA  A CA L 310     1555   1555  2.44  
LINK         O  AHOH L 205                CA  A CA L 310     1555   1555  2.57  
LINK        CA  A CA L 310                 O  AHOH M 117     1555   1555  2.24  
LINK         O  AHOH M   8                CA  A CA M 311     1555   1555  2.34  
LINK         O  AHOH M  29                CA  A CA M 308     1555   1555  2.32  
LINK         O  AHOH M  36                CA  A CA M 308     1555   1555  2.44  
LINK         O  AHOH M  43                CA  A CA M 308     1555   1555  2.55  
LINK         O  AHOH M  46                CA  A CA M 308     1555   1555  2.24  
LINK         O  AHOH M  62                CA  A CA M 308     1555   1555  2.49  
LINK         O  AHOH M  74                CA  A CA M 311     1555   1555  2.71  
LINK         N7 A 0G M  82                CA  A CA M 311     1555   1555  2.67  
LINK         O3'A 0G M  86                CA  A CA M 308     1555   1555  2.44  
LINK         O2'A 0G M  86                CA  A CA M 308     1555   1555  2.50  
LINK         O  AHOH M  91                CA  A CA M 311     1555   1555  2.64  
LINK         O  AHOH M 136                CA  A CA M 308     1555   1555  2.35  
LINK         O  AHOH N   4                CA  A CA N 302     1555   1555  2.41  
LINK         O  AHOH N   5                CA  A CA N 302     1555   1555  2.28  
LINK         O  AHOH N   5                CA  A CA N 304     1555   1555  2.34  
LINK         O  AHOH N  17                CA  A CA N 304     1555   1555  2.18  
LINK         O  AHOH N  24                CA  A CA N 302     1555   1555  2.69  
LINK         O  AHOH N  24                CA  A CA N 304     1555   1555  2.56  
LINK         O  AHOH N  31                CA  A CA N 302     1555   1555  2.39  
LINK         O  AHOH N  45                CA  A CA N 306     1555   1555  2.45  
LINK         O  AHOH N  53                CA  A CA N 306     1555   1555  2.39  
LINK         O  AHOH N  60                CA  A CA N 306     1555   1555  2.50  
LINK         O  AHOH N  63                CA  A CA N 302     1555   1555  1.96  
LINK         O  AHOH N  63                CA  A CA N 304     1555   1555  2.42  
LINK         O  AHOH N  65                CA  A CA N 306     1555   1555  2.54  
LINK         O  AHOH N  73                CA  A CA N 306     1555   1555  2.44  
LINK         O  AHOH N  84                CA  A CA N 304     1555   1555  2.42  
LINK         OP1A 0G N  96                CA  A CA N 304     1555   1555  2.29  
LINK         O3'A 0G N  97                CA  A CA N 306     1555   1555  2.47  
LINK         O2'A 0G N  97                CA  A CA N 306     1555   1555  2.49  
LINK         O  AHOH N 111                CA  A CA N 304     1555   1555  2.30  
LINK         O  AHOH N 122                CA  A CA N 302     1555   1555  2.33  
LINK         O  AHOH N 125                CA  A CA N 302     1555   1555  2.43  
SITE     1 AC1  8 HOH N   4  HOH N   5  HOH N  24  HOH N  31                    
SITE     2 AC1  8 HOH N  63  HOH N 122  HOH N 125   CA N 304                    
SITE     1 AC2  8 HOH N   5  HOH N  17  HOH N  24  HOH N  63                    
SITE     2 AC2  8 HOH N  84   0G N  96  HOH N 111   CA N 302                    
SITE     1 AC3  7 HOH K  59  HOH N  45  HOH N  53  HOH N  60                    
SITE     2 AC3  7 HOH N  65  HOH N  73   0G N  97                               
SITE     1 AC4  7 HOH M  29  HOH M  36  HOH M  43  HOH M  46                    
SITE     2 AC4  7 HOH M  62   0G M  86  HOH M 136                               
SITE     1 AC5  6  0G L  97  HOH L 101  HOH L 115  HOH L 168                    
SITE     2 AC5  6 HOH L 205  HOH M 117                                          
SITE     1 AC6  4 HOH M   8  HOH M  74   0G M  82  HOH M  91                    
SITE     1 AC7  6  0G K  85   0C L  91   0G L  92  HOH N  80                    
SITE     2 AC7  6  0G N  92   0C N  93                                          
CRYST1   26.112   37.933   45.290 113.53 100.03  93.55 P -1          4          
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      0.038297  0.002376  0.008544        0.00000                         
SCALE2      0.000000  0.026413  0.012124        0.00000                         
SCALE3      0.000000  0.000000  0.024672        0.00000