HEADER    RNA                                     30-APR-03   1P79              
TITLE     CRYSTAL STRUCTURE OF A BULGED RNA TETRAPLEX: IMPLICATIONS FOR A NOVEL 
TITLE    2 BINDING SITE IN RNA TETRAPLEX                                        
COMPND    MOL_ID: 1;                                                            
COMPND   2 MOLECULE: 5'-R(*UP*GP*UP*GP*GP*U)-3';                                
COMPND   3 CHAIN: A;                                                            
COMPND   4 ENGINEERED: YES                                                      
SOURCE    MOL_ID: 1;                                                            
SOURCE   2 SYNTHETIC: YES                                                       
KEYWDS    RNA, TETRAPLEX, BULGE                                                 
EXPDTA    X-RAY DIFFRACTION                                                     
AUTHOR    B.PAN,Y.XIONG,K.SHI,M.SUNDARALINGAM                                   
REVDAT   4   14-FEB-24 1P79    1       REMARK LINK                              
REVDAT   3   24-FEB-09 1P79    1       VERSN                                    
REVDAT   2   11-NOV-03 1P79    1       JRNL                                     
REVDAT   1   04-NOV-03 1P79    0                                                
JRNL        AUTH   B.PAN,Y.XIONG,K.SHI,M.SUNDARALINGAM                          
JRNL        TITL   CRYSTAL STRUCTURE OF A BULGED RNA TETRAPLEX AT 1.1 A         
JRNL        TITL 2 RESOLUTION: IMPLICATIONS FOR A NOVEL BINDING SITE IN RNA     
JRNL        TITL 3 TETRAPLEX                                                    
JRNL        REF    STRUCTURE                     V.  11  1423 2003              
JRNL        REFN                   ISSN 0969-2126                               
JRNL        PMID   14604532                                                     
JRNL        DOI    10.1016/J.STR.2003.09.017                                    
REMARK   2                                                                      
REMARK   2 RESOLUTION.    1.10 ANGSTROMS.                                       
REMARK   3                                                                      
REMARK   3 REFINEMENT.                                                          
REMARK   3   PROGRAM     : REFMAC 5.1.24                                        
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) : 1.10                           
REMARK   3   RESOLUTION RANGE LOW  (ANGSTROMS) : 16.55                          
REMARK   3   DATA CUTOFF            (SIGMA(F)) : 2.000                          
REMARK   3   COMPLETENESS FOR RANGE        (%) : 94.8                           
REMARK   3   NUMBER OF REFLECTIONS             : 5382                           
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) : 0.127                           
REMARK   3   R VALUE            (WORKING SET) : 0.127                           
REMARK   3   FREE R VALUE                     : 0.136                           
REMARK   3   FREE R VALUE TEST SET SIZE   (%) : 5.400                           
REMARK   3   FREE R VALUE TEST SET COUNT      : 308                             
REMARK   3                                                                      
REMARK   3  FIT IN THE HIGHEST RESOLUTION BIN.                                  
REMARK   3   TOTAL NUMBER OF BINS USED           : 10                           
REMARK   3   BIN RESOLUTION RANGE HIGH       (A) : 1.10                         
REMARK   3   BIN RESOLUTION RANGE LOW        (A) : 1.16                         
REMARK   3   REFLECTION IN BIN     (WORKING SET) : 589                          
REMARK   3   BIN COMPLETENESS (WORKING+TEST) (%) : NULL                         
REMARK   3   BIN R VALUE           (WORKING SET) : 0.0800                       
REMARK   3   BIN FREE R VALUE SET COUNT          : 34                           
REMARK   3   BIN FREE R VALUE                    : 0.1100                       
REMARK   3                                                                      
REMARK   3  NUMBER OF NON-HYDROGEN ATOMS USED IN REFINEMENT.                    
REMARK   3   PROTEIN ATOMS            : 0                                       
REMARK   3   NUCLEIC ACID ATOMS       : 108                                     
REMARK   3   HETEROGEN ATOMS          : 3                                       
REMARK   3   SOLVENT ATOMS            : 30                                      
REMARK   3                                                                      
REMARK   3  B VALUES.                                                           
REMARK   3   FROM WILSON PLOT           (A**2) : NULL                           
REMARK   3   MEAN B VALUE      (OVERALL, A**2) : 6.50                           
REMARK   3   OVERALL ANISOTROPIC B VALUE.                                       
REMARK   3    B11 (A**2) : -0.26000                                             
REMARK   3    B22 (A**2) : -0.26000                                             
REMARK   3    B33 (A**2) : 0.53000                                              
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 OVERALL COORDINATE ERROR.                                 
REMARK   3   ESU BASED ON R VALUE                            (A): 0.027         
REMARK   3   ESU BASED ON FREE R VALUE                       (A): 0.025         
REMARK   3   ESU BASED ON MAXIMUM LIKELIHOOD                 (A): 0.013         
REMARK   3   ESU FOR B VALUES BASED ON MAXIMUM LIKELIHOOD (A**2): 0.242         
REMARK   3                                                                      
REMARK   3 CORRELATION COEFFICIENTS.                                            
REMARK   3   CORRELATION COEFFICIENT FO-FC      : 0.962                         
REMARK   3   CORRELATION COEFFICIENT FO-FC FREE : 0.964                         
REMARK   3                                                                      
REMARK   3  RMS DEVIATIONS FROM IDEAL VALUES        COUNT    RMS    WEIGHT      
REMARK   3   BOND LENGTHS REFINED ATOMS        (A):   120 ; 0.010 ; 0.021       
REMARK   3   BOND LENGTHS OTHERS               (A):    43 ; 0.003 ; 0.020       
REMARK   3   BOND ANGLES REFINED ATOMS   (DEGREES):   185 ; 1.607 ; 3.000       
REMARK   3   BOND ANGLES OTHERS          (DEGREES):   111 ; 2.098 ; 3.000       
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):    19 ; 0.123 ; 0.200       
REMARK   3   GENERAL PLANES REFINED ATOMS      (A):    54 ; 0.032 ; 0.020       
REMARK   3   GENERAL PLANES OTHERS             (A):  NULL ;  NULL ;  NULL       
REMARK   3   NON-BONDED CONTACTS REFINED ATOMS (A):    24 ; 0.412 ; 0.200       
REMARK   3   NON-BONDED CONTACTS OTHERS        (A):    39 ; 0.196 ; 0.200       
REMARK   3   NON-BONDED TORSION REFINED ATOMS  (A):  NULL ;  NULL ;  NULL       
REMARK   3   NON-BONDED TORSION OTHERS         (A):    29 ; 0.096 ; 0.200       
REMARK   3   H-BOND (X...Y) REFINED ATOMS      (A):    20 ; 0.121 ; 0.200       
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):    20 ; 0.752 ; 0.200       
REMARK   3   SYMMETRY VDW OTHERS               (A):    31 ; 0.346 ; 0.200       
REMARK   3   SYMMETRY H-BOND REFINED ATOMS     (A):     6 ; 0.099 ; 0.200       
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):   120 ; 1.539 ; 3.000       
REMARK   3   SIDE-CHAIN BOND OTHER ATOMS    (A**2):  NULL ;  NULL ;  NULL       
REMARK   3   SIDE-CHAIN ANGLE REFINED ATOMS (A**2):   185 ; 2.065 ; 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):   120 ; 0.855 ; 2.000       
REMARK   3   SPHERICITY; FREE ATOMS         (A**2):    34 ; 8.627 ; 5.000       
REMARK   3   SPHERICITY; BONDED ATOMS       (A**2):   108 ; 2.673 ; 5.000       
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  : 5                                          
REMARK   3                                                                      
REMARK   3   TLS GROUP : 1                                                      
REMARK   3    NUMBER OF COMPONENTS GROUP : 1                                    
REMARK   3    COMPONENTS        C SSSEQI   TO  C SSSEQI                         
REMARK   3    RESIDUE RANGE :   A     2        A     2                          
REMARK   3    ORIGIN FOR THE GROUP (A):  -0.0982  10.3353  15.1683              
REMARK   3    T TENSOR                                                          
REMARK   3      T11:   0.0361 T22:   0.0324                                     
REMARK   3      T33:   0.0366 T12:  -0.0059                                     
REMARK   3      T13:   0.0132 T23:   0.0060                                     
REMARK   3    L TENSOR                                                          
REMARK   3      L11:   4.5167 L22:  13.3656                                     
REMARK   3      L33:   2.9291 L12:  -7.7103                                     
REMARK   3      L13:  -1.6781 L23:   1.6189                                     
REMARK   3    S TENSOR                                                          
REMARK   3      S11:  -0.2282 S12:  -0.0859 S13:  -0.1832                       
REMARK   3      S21:   0.4605 S22:   0.0497 S23:   0.2770                       
REMARK   3      S31:   0.0653 S32:   0.0304 S33:   0.1785                       
REMARK   3                                                                      
REMARK   3   TLS GROUP : 2                                                      
REMARK   3    NUMBER OF COMPONENTS GROUP : 1                                    
REMARK   3    COMPONENTS        C SSSEQI   TO  C SSSEQI                         
REMARK   3    RESIDUE RANGE :   A     3        A     3                          
REMARK   3    ORIGIN FOR THE GROUP (A):   5.6192   8.1764  10.4529              
REMARK   3    T TENSOR                                                          
REMARK   3      T11:   0.0200 T22:   0.0356                                     
REMARK   3      T33:   0.0516 T12:   0.0118                                     
REMARK   3      T13:   0.0023 T23:   0.0102                                     
REMARK   3    L TENSOR                                                          
REMARK   3      L11:   0.4839 L22:  -0.3991                                     
REMARK   3      L33:   2.7114 L12:   0.4766                                     
REMARK   3      L13:  -2.7451 L23:   0.2026                                     
REMARK   3    S TENSOR                                                          
REMARK   3      S11:  -0.0288 S12:  -0.1647 S13:  -0.0958                       
REMARK   3      S21:   0.0104 S22:   0.0519 S23:  -0.0009                       
REMARK   3      S31:  -0.0217 S32:   0.1488 S33:  -0.0231                       
REMARK   3                                                                      
REMARK   3   TLS GROUP : 3                                                      
REMARK   3    NUMBER OF COMPONENTS GROUP : 1                                    
REMARK   3    COMPONENTS        C SSSEQI   TO  C SSSEQI                         
REMARK   3    RESIDUE RANGE :   A     4        A     4                          
REMARK   3    ORIGIN FOR THE GROUP (A):  -1.6795  10.3174   9.7291              
REMARK   3    T TENSOR                                                          
REMARK   3      T11:   0.0283 T22:   0.0254                                     
REMARK   3      T33:   0.0490 T12:  -0.0045                                     
REMARK   3      T13:  -0.0002 T23:   0.0063                                     
REMARK   3    L TENSOR                                                          
REMARK   3      L11:   0.2630 L22:   3.5081                                     
REMARK   3      L33:   1.8102 L12:  -1.1272                                     
REMARK   3      L13:   1.0395 L23:   0.9104                                     
REMARK   3    S TENSOR                                                          
REMARK   3      S11:   0.0626 S12:  -0.0562 S13:  -0.1662                       
REMARK   3      S21:   0.0358 S22:  -0.0106 S23:   0.0311                       
REMARK   3      S31:  -0.0097 S32:  -0.0711 S33:  -0.0519                       
REMARK   3                                                                      
REMARK   3   TLS GROUP : 4                                                      
REMARK   3    NUMBER OF COMPONENTS GROUP : 1                                    
REMARK   3    COMPONENTS        C SSSEQI   TO  C SSSEQI                         
REMARK   3    RESIDUE RANGE :   A     5        A     5                          
REMARK   3    ORIGIN FOR THE GROUP (A):  -4.7866  11.7248   6.1916              
REMARK   3    T TENSOR                                                          
REMARK   3      T11:   0.0324 T22:   0.0291                                     
REMARK   3      T33:   0.0385 T12:  -0.0015                                     
REMARK   3      T13:  -0.0055 T23:  -0.0096                                     
REMARK   3    L TENSOR                                                          
REMARK   3      L11:   1.9688 L22:   3.0488                                     
REMARK   3      L33:   0.8431 L12:  -1.1506                                     
REMARK   3      L13:   1.0395 L23:  -0.6342                                     
REMARK   3    S TENSOR                                                          
REMARK   3      S11:  -0.0157 S12:   0.1175 S13:  -0.1307                       
REMARK   3      S21:  -0.0534 S22:   0.0895 S23:   0.1638                       
REMARK   3      S31:  -0.0246 S32:   0.0263 S33:  -0.0738                       
REMARK   3                                                                      
REMARK   3   TLS GROUP : 5                                                      
REMARK   3    NUMBER OF COMPONENTS GROUP : 1                                    
REMARK   3    COMPONENTS        C SSSEQI   TO  C SSSEQI                         
REMARK   3    RESIDUE RANGE :   A     6        A     6                          
REMARK   3    ORIGIN FOR THE GROUP (A):  -2.4163  10.8962   2.7258              
REMARK   3    T TENSOR                                                          
REMARK   3      T11:   0.0475 T22:   0.0392                                     
REMARK   3      T33:   0.0233 T12:  -0.0039                                     
REMARK   3      T13:  -0.0004 T23:  -0.0301                                     
REMARK   3    L TENSOR                                                          
REMARK   3      L11:   6.2675 L22:   1.4096                                     
REMARK   3      L33:   1.2765 L12:   3.1361                                     
REMARK   3      L13:  -0.6311 L23:  -2.3330                                     
REMARK   3    S TENSOR                                                          
REMARK   3      S11:  -0.0291 S12:   0.3060 S13:  -0.2125                       
REMARK   3      S21:  -0.3654 S22:  -0.0874 S23:  -0.2060                       
REMARK   3      S31:   0.0642 S32:  -0.0048 S33:   0.1166                       
REMARK   3                                                                      
REMARK   3  BULK SOLVENT MODELLING.                                             
REMARK   3   METHOD USED : BABINET MODEL WITH MASK                              
REMARK   3   PARAMETERS FOR MASK CALCULATION                                    
REMARK   3   VDW PROBE RADIUS   : 1.40                                          
REMARK   3   ION PROBE RADIUS   : 0.80                                          
REMARK   3   SHRINKAGE RADIUS   : 0.80                                          
REMARK   3                                                                      
REMARK   3  OTHER REFINEMENT REMARKS: EXTRA HYDROGEN ON G 2 OF CHAIN A WAS      
REMARK   3  REMOVED. HYDROGENS HAVE BEEN ADDED IN THE RIDING POSITIONS.         
REMARK   4                                                                      
REMARK   4 1P79 COMPLIES WITH FORMAT V. 3.30, 13-JUL-11                         
REMARK 100                                                                      
REMARK 100 THIS ENTRY HAS BEEN PROCESSED BY RCSB ON 15-MAY-03.                  
REMARK 100 THE DEPOSITION ID IS D_1000019095.                                   
REMARK 200                                                                      
REMARK 200 EXPERIMENTAL DETAILS                                                 
REMARK 200  EXPERIMENT TYPE                : X-RAY DIFFRACTION                  
REMARK 200  DATE OF DATA COLLECTION        : 20-AUG-01                          
REMARK 200  TEMPERATURE           (KELVIN) : 100                                
REMARK 200  PH                             : 6.0                                
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) : 0.8985                             
REMARK 200  MONOCHROMATOR                  : NULL                               
REMARK 200  OPTICS                         : NULL                               
REMARK 200                                                                      
REMARK 200  DETECTOR TYPE                  : CCD                                
REMARK 200  DETECTOR MANUFACTURER          : ADSC QUANTUM 4                     
REMARK 200  INTENSITY-INTEGRATION SOFTWARE : DENZO                              
REMARK 200  DATA SCALING SOFTWARE          : SCALEPACK                          
REMARK 200                                                                      
REMARK 200  NUMBER OF UNIQUE REFLECTIONS   : 5690                               
REMARK 200  RESOLUTION RANGE HIGH      (A) : 1.100                              
REMARK 200  RESOLUTION RANGE LOW       (A) : 16.550                             
REMARK 200  REJECTION CRITERIA  (SIGMA(I)) : 0.000                              
REMARK 200                                                                      
REMARK 200 OVERALL.                                                             
REMARK 200  COMPLETENESS FOR RANGE     (%) : 95.3                               
REMARK 200  DATA REDUNDANCY                : 20.00                              
REMARK 200  R MERGE                    (I) : NULL                               
REMARK 200  R SYM                      (I) : 0.03700                            
REMARK 200  <I/SIGMA(I)> FOR THE DATA SET  : 23.0000                            
REMARK 200                                                                      
REMARK 200 IN THE HIGHEST RESOLUTION SHELL.                                     
REMARK 200  HIGHEST RESOLUTION SHELL, RANGE HIGH (A) : 1.10                     
REMARK 200  HIGHEST RESOLUTION SHELL, RANGE LOW  (A) : 1.14                     
REMARK 200  COMPLETENESS FOR SHELL     (%) : 71.9                               
REMARK 200  DATA REDUNDANCY IN SHELL       : NULL                               
REMARK 200  R MERGE FOR SHELL          (I) : NULL                               
REMARK 200  R SYM FOR SHELL            (I) : 0.08800                            
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   (%): 31.15                                     
REMARK 280 MATTHEWS COEFFICIENT, VM (ANGSTROMS**3/DA): 1.79                     
REMARK 280                                                                      
REMARK 280 CRYSTALLIZATION CONDITIONS: SPERMINE, POTASSIUM CHLORIDE, MPD,       
REMARK 280  CACODYLATE, PH 6.0, VAPOR DIFFUSION, HANGING DROP, TEMPERATURE      
REMARK 280  293K                                                                
REMARK 290                                                                      
REMARK 290 CRYSTALLOGRAPHIC SYMMETRY                                            
REMARK 290 SYMMETRY OPERATORS FOR SPACE GROUP: P 4 21 2                         
REMARK 290                                                                      
REMARK 290      SYMOP   SYMMETRY                                                
REMARK 290     NNNMMM   OPERATOR                                                
REMARK 290       1555   X,Y,Z                                                   
REMARK 290       2555   -X,-Y,Z                                                 
REMARK 290       3555   -Y+1/2,X+1/2,Z                                          
REMARK 290       4555   Y+1/2,-X+1/2,Z                                          
REMARK 290       5555   -X+1/2,Y+1/2,-Z                                         
REMARK 290       6555   X+1/2,-Y+1/2,-Z                                         
REMARK 290       7555   Y,X,-Z                                                  
REMARK 290       8555   -Y,-X,-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   SMTRY1   3  0.000000 -1.000000  0.000000       17.50700            
REMARK 290   SMTRY2   3  1.000000  0.000000  0.000000       17.50700            
REMARK 290   SMTRY3   3  0.000000  0.000000  1.000000        0.00000            
REMARK 290   SMTRY1   4  0.000000  1.000000  0.000000       17.50700            
REMARK 290   SMTRY2   4 -1.000000  0.000000  0.000000       17.50700            
REMARK 290   SMTRY3   4  0.000000  0.000000  1.000000        0.00000            
REMARK 290   SMTRY1   5 -1.000000  0.000000  0.000000       17.50700            
REMARK 290   SMTRY2   5  0.000000  1.000000  0.000000       17.50700            
REMARK 290   SMTRY3   5  0.000000  0.000000 -1.000000        0.00000            
REMARK 290   SMTRY1   6  1.000000  0.000000  0.000000       17.50700            
REMARK 290   SMTRY2   6  0.000000 -1.000000  0.000000       17.50700            
REMARK 290   SMTRY3   6  0.000000  0.000000 -1.000000        0.00000            
REMARK 290   SMTRY1   7  0.000000  1.000000  0.000000        0.00000            
REMARK 290   SMTRY2   7  1.000000  0.000000  0.000000        0.00000            
REMARK 290   SMTRY3   7  0.000000  0.000000 -1.000000        0.00000            
REMARK 290   SMTRY1   8  0.000000 -1.000000  0.000000        0.00000            
REMARK 290   SMTRY2   8 -1.000000  0.000000  0.000000        0.00000            
REMARK 290   SMTRY3   8  0.000000  0.000000 -1.000000        0.00000            
REMARK 290                                                                      
REMARK 290 REMARK: NULL                                                         
REMARK 300                                                                      
REMARK 300 BIOMOLECULE: 1                                                       
REMARK 300 SEE REMARK 350 FOR THE AUTHOR PROVIDED AND/OR PROGRAM                
REMARK 300 GENERATED ASSEMBLY INFORMATION FOR THE STRUCTURE IN                  
REMARK 300 THIS ENTRY. THE REMARK MAY ALSO PROVIDE INFORMATION ON               
REMARK 300 BURIED SURFACE AREA.                                                 
REMARK 350                                                                      
REMARK 350 COORDINATES FOR A COMPLETE MULTIMER REPRESENTING THE KNOWN           
REMARK 350 BIOLOGICALLY SIGNIFICANT OLIGOMERIZATION STATE OF THE                
REMARK 350 MOLECULE CAN BE GENERATED BY APPLYING BIOMT TRANSFORMATIONS          
REMARK 350 GIVEN BELOW.  BOTH NON-CRYSTALLOGRAPHIC AND                          
REMARK 350 CRYSTALLOGRAPHIC OPERATIONS ARE GIVEN.                               
REMARK 350                                                                      
REMARK 350 BIOMOLECULE: 1                                                       
REMARK 350 AUTHOR DETERMINED BIOLOGICAL UNIT: TETRAMERIC                        
REMARK 350 APPLY THE FOLLOWING TO CHAINS: A                                     
REMARK 350   BIOMT1   1  1.000000  0.000000  0.000000        0.00000            
REMARK 350   BIOMT2   1  0.000000  1.000000  0.000000        0.00000            
REMARK 350   BIOMT3   1  0.000000  0.000000  1.000000        0.00000            
REMARK 350   BIOMT1   2  0.000000  1.000000  0.000000        0.00000            
REMARK 350   BIOMT2   2  1.000000  0.000000  0.000000        0.00000            
REMARK 350   BIOMT3   2  0.000000  0.000000 -1.000000       22.25700            
REMARK 350   BIOMT1   3  1.000000  0.000000  0.000000       17.50700            
REMARK 350   BIOMT2   3  0.000000 -1.000000  0.000000       17.50700            
REMARK 350   BIOMT3   3  0.000000  0.000000 -1.000000       22.25700            
REMARK 350   BIOMT1   4  0.000000 -1.000000  0.000000       17.50700            
REMARK 350   BIOMT2   4  1.000000  0.000000  0.000000       17.50700            
REMARK 350   BIOMT3   4  0.000000  0.000000  1.000000        0.00000            
REMARK 375                                                                      
REMARK 375 SPECIAL POSITION                                                     
REMARK 375 THE FOLLOWING ATOMS ARE FOUND TO BE WITHIN 0.15 ANGSTROMS            
REMARK 375 OF A SYMMETRY RELATED ATOM AND ARE ASSUMED TO BE ON SPECIAL          
REMARK 375 POSITIONS.                                                           
REMARK 375                                                                      
REMARK 375 ATOM RES CSSEQI                                                      
REMARK 375 K      K A 201  LIES ON A SPECIAL POSITION.                          
REMARK 375 K      K A 202  LIES ON A SPECIAL POSITION.                          
REMARK 375 K      K A 203  LIES ON A SPECIAL POSITION.                          
REMARK 375      HOH A 115  LIES ON A SPECIAL POSITION.                          
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       U A     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    O2'                                                 
REMARK 500                                                                      
REMARK 500 GEOMETRY AND STEREOCHEMISTRY                                         
REMARK 500 SUBTOPIC: PLANAR GROUPS                                              
REMARK 500                                                                      
REMARK 500 PLANAR GROUPS IN THE FOLLOWING RESIDUES HAVE A TOTAL                 
REMARK 500 RMS DISTANCE OF ALL ATOMS FROM THE BEST-FIT PLANE                    
REMARK 500 BY MORE THAN AN EXPECTED VALUE OF 6*RMSD, WITH AN                    
REMARK 500 RMSD 0.02 ANGSTROMS, OR AT LEAST ONE ATOM HAS                        
REMARK 500 AN RMSD GREATER THAN THIS VALUE                                      
REMARK 500 (M=MODEL NUMBER; RES=RESIDUE NAME; C=CHAIN IDENTIFIER;               
REMARK 500 SSEQ=SEQUENCE NUMBER; I=INSERTION CODE).                             
REMARK 500                                                                      
REMARK 500  M RES CSSEQI        RMS     TYPE                                    
REMARK 500      G A   4         0.06    SIDE CHAIN                              
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 203   K                            
REMARK 620 N RES CSSEQI ATOM                                                    
REMARK 620 1   G A   2   O6                                                     
REMARK 620 2   G A   2   O6  125.2                                              
REMARK 620 3   G A   2   O6   77.8  77.8                                        
REMARK 620 4   G A   2   O6   77.8  77.8 125.2                                  
REMARK 620 5   G A   4   O6   68.9 161.2  95.3 119.7                            
REMARK 620 6   G A   4   O6   95.3 119.6 161.3  68.9  66.0                      
REMARK 620 7   G A   4   O6  161.2  68.9 119.7  95.3 100.7  66.0                
REMARK 620 8   G A   4   O6  119.7  95.3  68.9 161.2  66.0 100.7  66.0          
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 202   K                            
REMARK 620 N RES CSSEQI ATOM                                                    
REMARK 620 1   G A   4   O6                                                     
REMARK 620 2   G A   4   O6   71.8                                              
REMARK 620 3   G A   4   O6  112.0  71.8                                        
REMARK 620 4   G A   4   O6   71.8 112.0  71.8                                  
REMARK 620 5   G A   5   O6   73.6  89.6 156.6 129.9                            
REMARK 620 6   G A   5   O6  129.9  73.6  89.6 156.6  71.1                      
REMARK 620 7   G A   5   O6  156.6 129.9  73.6  89.6 110.7  71.1                
REMARK 620 8   G A   5   O6   89.6 156.6 129.9  73.6  71.1 110.7  71.1          
REMARK 620 9   K A 203   K    56.0  56.0  56.0  56.0 124.6 124.7 124.7 124.7    
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 201   K                            
REMARK 620 N RES CSSEQI ATOM                                                    
REMARK 620 1   G A   5   O6                                                     
REMARK 620 2   G A   5   O6   67.1                                              
REMARK 620 3   G A   5   O6  102.9  67.1                                        
REMARK 620 4   G A   5   O6   67.1 102.9  67.1                                  
REMARK 620 5   U A   6   O4   67.1  97.6 164.5 116.2                            
REMARK 620 6   U A   6   O4  164.5 116.3  67.1  97.6 125.2                      
REMARK 620 7   U A   6   O4   97.5 164.4 116.3  67.1  77.7  77.8                
REMARK 620 8   U A   6   O4  116.3  67.1  97.6 164.5  77.8  77.8 125.2          
REMARK 620 9   K A 202   K    51.4  51.4  51.4  51.4 117.4 117.4 117.4 117.4    
REMARK 620 N                    1     2     3     4     5     6     7     8     
REMARK 800                                                                      
REMARK 800 SITE                                                                 
REMARK 800 SITE_IDENTIFIER: AC1                                                 
REMARK 800 EVIDENCE_CODE: SOFTWARE                                              
REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE K A 201                   
REMARK 800                                                                      
REMARK 800 SITE_IDENTIFIER: AC2                                                 
REMARK 800 EVIDENCE_CODE: SOFTWARE                                              
REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE K A 202                   
REMARK 800                                                                      
REMARK 800 SITE_IDENTIFIER: AC3                                                 
REMARK 800 EVIDENCE_CODE: SOFTWARE                                              
REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE K A 203                   
DBREF  1P79 A    1     6  PDB    1P79     1P79             1      6             
SEQRES   1 A    6    U   G   U   G   G   U                                      
HET      K  A 201       1                                                       
HET      K  A 202       1                                                       
HET      K  A 203       1                                                       
HETNAM       K POTASSIUM ION                                                    
FORMUL   2    K    3(K 1+)                                                      
FORMUL   5  HOH   *30(H2 O)                                                     
LINK         O6    G A   2                 K     K A 203     1555   1555  2.69  
LINK         O6    G A   2                 K     K A 203     2565   1555  2.69  
LINK         O6    G A   2                 K     K A 203     3555   1555  2.69  
LINK         O6    G A   2                 K     K A 203     4455   1555  2.69  
LINK         O6    G A   4                 K     K A 202     1555   1555  2.74  
LINK         O6    G A   4                 K     K A 202     4455   1555  2.74  
LINK         O6    G A   4                 K     K A 202     2565   1555  2.74  
LINK         O6    G A   4                 K     K A 202     3555   1555  2.74  
LINK         O6    G A   4                 K     K A 203     1555   1555  2.95  
LINK         O6    G A   4                 K     K A 203     4455   1555  2.95  
LINK         O6    G A   4                 K     K A 203     2565   1555  2.95  
LINK         O6    G A   4                 K     K A 203     3555   1555  2.95  
LINK         O6    G A   5                 K     K A 201     1555   1555  2.92  
LINK         O6    G A   5                 K     K A 201     4455   1555  2.92  
LINK         O6    G A   5                 K     K A 201     2565   1555  2.92  
LINK         O6    G A   5                 K     K A 201     3555   1555  2.92  
LINK         O6    G A   5                 K     K A 202     1555   1555  2.77  
LINK         O6    G A   5                 K     K A 202     4455   1555  2.77  
LINK         O6    G A   5                 K     K A 202     2565   1555  2.77  
LINK         O6    G A   5                 K     K A 202     3555   1555  2.77  
LINK         O4    U A   6                 K     K A 201     1555   1555  2.72  
LINK         O4    U A   6                 K     K A 201     2565   1555  2.72  
LINK         O4    U A   6                 K     K A 201     3555   1555  2.72  
LINK         O4    U A   6                 K     K A 201     4455   1555  2.72  
LINK         K     K A 201                 K     K A 202     1555   1555  3.40  
LINK         K     K A 201                 K     K A 202     1555   2565  3.40  
LINK         K     K A 201                 K     K A 202     1555   3555  3.40  
LINK         K     K A 201                 K     K A 202     1555   4455  3.40  
LINK         K     K A 202                 K     K A 203     1555   1555  3.41  
LINK         K     K A 202                 K     K A 203     1555   2565  3.41  
LINK         K     K A 202                 K     K A 203     1555   3555  3.41  
LINK         K     K A 202                 K     K A 203     1555   4455  3.41  
SITE     1 AC1  3   G A   5    U A   6    K A 202                               
SITE     1 AC2  4   G A   4    G A   5    K A 201    K A 203                    
SITE     1 AC3  3   G A   2    G A   4    K A 202                               
CRYST1   35.014   35.014   22.257  90.00  90.00  90.00 P 4 21 2      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      0.028560  0.000000  0.000000        0.00000                         
SCALE2      0.000000  0.028560  0.000000        0.00000                         
SCALE3      0.000000  0.000000  0.044930        0.00000