PDB Short entry for 6TNA
HEADER    T-RNA                                   16-NOV-78   6TNA              
TITLE     CRYSTAL STRUCTURE OF YEAST PHENYLALANINE T-RNA. I.CRYSTALLOGRAPHIC    
TITLE    2 REFINEMENT                                                           
COMPND    MOL_ID: 1;                                                            
COMPND   2 MOLECULE: TRNAPHE;                                                   
COMPND   3 CHAIN: A                                                             
SOURCE    MOL_ID: 1;                                                            
SOURCE   2 ORGANISM_SCIENTIFIC: SACCHAROMYCES CEREVISIAE;                       
SOURCE   3 ORGANISM_COMMON: BAKER'S YEAST;                                      
SOURCE   4 ORGANISM_TAXID: 4932                                                 
KEYWDS    T-RNA, SINGLE STRAND, LOOPS                                           
EXPDTA    X-RAY DIFFRACTION                                                     
AUTHOR    J.L.SUSSMAN,S.R.HOLBROOK,R.W.WARRANT,G.M.CHURCH,S.-H.KIM              
REVDAT   4   13-JUL-11 6TNA    1       VERSN                                    
REVDAT   3   24-FEB-09 6TNA    1       VERSN                                    
REVDAT   2   01-APR-03 6TNA    1       JRNL                                     
REVDAT   1   16-JAN-79 6TNA    0                                                
SPRSDE     16-JAN-79 6TNA      5TNA                                             
JRNL        AUTH   J.L.SUSSMAN,S.R.HOLBROOK,R.W.WARRANT,G.M.CHURCH,S.H.KIM      
JRNL        TITL   CRYSTAL STRUCTURE OF YEAST PHENYLALANINE TRANSFER RNA. I.    
JRNL        TITL 2 CRYSTALLOGRAPHIC REFINEMENT.                                 
JRNL        REF    J.MOL.BIOL.                   V. 123   607 1978              
JRNL        REFN                   ISSN 0022-2836                               
JRNL        PMID   357742                                                       
JRNL        DOI    10.1016/0022-2836(78)90209-7                                 
REMARK   1                                                                      
REMARK   1 REFERENCE 1                                                          
REMARK   1  AUTH   S.R.HOLBROOK,J.L.SUSSMAN,R.W.WARRANT,S.-H.KIM                
REMARK   1  TITL   CRYSTAL STRUCTURE OF YEAST PHENYLALANINE T-RNA.              
REMARK   1  TITL 2 II.STRUCTURAL FEATURES AND FUNCTIONAL IMPLICATIONS           
REMARK   1  REF    J.MOL.BIOL.                   V. 123   631 1978              
REMARK   1  REFN                   ISSN 0022-2836                               
REMARK   1 REFERENCE 2                                                          
REMARK   1  AUTH   S.-H.KIM                                                     
REMARK   1  TITL   THREE DIMENSIONAL STRUCTURE OF T-RNA AND ITS FUNCTIONAL      
REMARK   1  TITL 2 IMPLICATIONS                                                 
REMARK   1  REF    ADV.ENZYMOL.RELAT.AREAS       V.  46   279 1978              
REMARK   1  REF  2 MOL.BIOL.                                                    
REMARK   1  REFN                   ISSN 0065-258X                               
REMARK   1 REFERENCE 3                                                          
REMARK   1  AUTH   A.RICH,S.H.KIM                                               
REMARK   1  TITL   THE THREE-DIMENSIONAL STRUCTURE OF TRANSFER RNA              
REMARK   1  REF    SCI.AM.                       V. 238    52 1978              
REMARK   1  REFN                   ISSN 0036-8733                               
REMARK   1 REFERENCE 4                                                          
REMARK   1  AUTH   S.-H.KIM                                                     
REMARK   1  TITL   CRYSTAL STRUCTURE OF YEAST PHENYLALANINE T-RNA, ITS          
REMARK   1  TITL 2 CORRELATION TO THE SOLUTION STRUCTURE AND THE FUNCTIONAL     
REMARK   1  TITL 3 IMPLICATIONS                                                 
REMARK   1  REF    TRANSFER RNA                               1978              
REMARK   1  PUBL   MIT PRESS, CAMBRIDGE, MASSACHUSETTS                          
REMARK   1  REFN                                                                
REMARK   1 REFERENCE 5                                                          
REMARK   1  AUTH   S.R.HOLBROOK,J.L.SUSSMAN,R.W.WARRANT,G.M.CHURCH,S.-H.KIM     
REMARK   1  TITL   RNA-LIGAND INTERACTIONS. (1) MAGNESIUM BINDING SITES IN      
REMARK   1  TITL 2 YEAST T-RNA-PHE                                              
REMARK   1  REF    NUCLEIC ACIDS RES.            V.   4  2811 1977              
REMARK   1  REFN                   ISSN 0305-1048                               
REMARK   1 REFERENCE 6                                                          
REMARK   1  AUTH   J.L.SUSSMAN,S.-H.KIM                                         
REMARK   1  TITL   IDEALIZED ATOMIC COORDINATES OF YEAST PHENYLALANINE TRANSFER 
REMARK   1  TITL 2 RNA                                                          
REMARK   1  REF    BIOCHEM.BIOPHYS.RES.COMMUN.   V.  68    89 1976              
REMARK   1  REFN                   ISSN 0006-291X                               
REMARK   1 REFERENCE 7                                                          
REMARK   1  AUTH   J.L.SUSSMAN,S.-H.KIM                                         
REMARK   1  TITL   THREE-DIMENSIONAL STRUCTURE OF A TRANSFER RNA IN TWO CRYSTAL 
REMARK   1  TITL 2 FORMS                                                        
REMARK   1  REF    SCIENCE                       V. 192   853 1976              
REMARK   1  REFN                   ISSN 0036-8075                               
REMARK   1 REFERENCE 8                                                          
REMARK   1  REF    ATLAS OF PROTEIN SEQUENCE     V.   5   347 1972              
REMARK   1  REF  2 AND STRUCTURE (DATA SECTION)                                 
REMARK   1  PUBL   NATIONAL BIOMEDICAL RESEARCH FOUNDATION, SILVER SPRING,MD.   
REMARK   1  REFN                                                                
REMARK   2                                                                      
REMARK   2 RESOLUTION.    2.70 ANGSTROMS.                                       
REMARK   3                                                                      
REMARK   3 REFINEMENT.                                                          
REMARK   3   PROGRAM     : CORELS                                               
REMARK   3   AUTHORS     : SUSSMAN                                              
REMARK   3                                                                      
REMARK   3  DATA USED IN REFINEMENT.                                            
REMARK   3   RESOLUTION RANGE HIGH (ANGSTROMS) : 2.70                           
REMARK   3   RESOLUTION RANGE LOW  (ANGSTROMS) : NULL                           
REMARK   3   DATA CUTOFF            (SIGMA(F)) : NULL                           
REMARK   3   DATA CUTOFF HIGH         (ABS(F)) : NULL                           
REMARK   3   DATA CUTOFF LOW          (ABS(F)) : NULL                           
REMARK   3   COMPLETENESS (WORKING+TEST)   (%) : NULL                           
REMARK   3   NUMBER OF REFLECTIONS             : 8426                           
REMARK   3                                                                      
REMARK   3  FIT TO DATA USED IN REFINEMENT.                                     
REMARK   3   CROSS-VALIDATION METHOD          : NULL                            
REMARK   3   FREE R VALUE TEST SET SELECTION  : NULL                            
REMARK   3   R VALUE            (WORKING SET) : 0.198                           
REMARK   3   FREE R VALUE                     : NULL                            
REMARK   3   FREE R VALUE TEST SET SIZE   (%) : NULL                            
REMARK   3   FREE R VALUE TEST SET COUNT      : NULL                            
REMARK   3   ESTIMATED ERROR OF FREE R VALUE  : NULL                            
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   BIN COMPLETENESS (WORKING+TEST) (%) : NULL                         
REMARK   3   REFLECTIONS IN BIN    (WORKING SET) : NULL                         
REMARK   3   BIN R VALUE           (WORKING SET) : NULL                         
REMARK   3   BIN FREE R VALUE                    : NULL                         
REMARK   3   BIN FREE R VALUE TEST SET SIZE  (%) : NULL                         
REMARK   3   BIN FREE R VALUE TEST SET COUNT     : NULL                         
REMARK   3   ESTIMATED ERROR OF 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       : 1652                                    
REMARK   3   HETEROGEN ATOMS          : 4                                       
REMARK   3   SOLVENT ATOMS            : 84                                      
REMARK   3                                                                      
REMARK   3  B VALUES.                                                           
REMARK   3   FROM WILSON PLOT           (A**2) : NULL                           
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 COORDINATE ERROR.                                         
REMARK   3   ESD FROM LUZZATI PLOT        (A) : NULL                            
REMARK   3   ESD FROM SIGMAA              (A) : NULL                            
REMARK   3   LOW RESOLUTION CUTOFF        (A) : NULL                            
REMARK   3                                                                      
REMARK   3  CROSS-VALIDATED ESTIMATED COORDINATE ERROR.                         
REMARK   3   ESD FROM C-V LUZZATI PLOT    (A) : NULL                            
REMARK   3   ESD FROM C-V SIGMAA          (A) : NULL                            
REMARK   3                                                                      
REMARK   3  RMS DEVIATIONS FROM IDEAL VALUES.                                   
REMARK   3   BOND LENGTHS                 (A) : NULL                            
REMARK   3   BOND ANGLES            (DEGREES) : NULL                            
REMARK   3   DIHEDRAL ANGLES        (DEGREES) : NULL                            
REMARK   3   IMPROPER ANGLES        (DEGREES) : NULL                            
REMARK   3                                                                      
REMARK   3  ISOTROPIC THERMAL MODEL : NULL                                      
REMARK   3                                                                      
REMARK   3  ISOTROPIC THERMAL FACTOR RESTRAINTS.    RMS    SIGMA                
REMARK   3   MAIN-CHAIN BOND              (A**2) : NULL  ; NULL                 
REMARK   3   MAIN-CHAIN ANGLE             (A**2) : NULL  ; NULL                 
REMARK   3   SIDE-CHAIN BOND              (A**2) : NULL  ; NULL                 
REMARK   3   SIDE-CHAIN ANGLE             (A**2) : NULL  ; NULL                 
REMARK   3                                                                      
REMARK   3  NCS MODEL : NULL                                                    
REMARK   3                                                                      
REMARK   3  NCS RESTRAINTS.                         RMS   SIGMA/WEIGHT          
REMARK   3   GROUP  1  POSITIONAL            (A) : NULL  ; NULL                 
REMARK   3   GROUP  1  B-FACTOR           (A**2) : NULL  ; NULL                 
REMARK   3                                                                      
REMARK   3  PARAMETER FILE  1  : NULL                                           
REMARK   3  TOPOLOGY FILE  1   : NULL                                           
REMARK   3                                                                      
REMARK   3  OTHER REFINEMENT REMARKS: NULL                                      
REMARK   4                                                                      
REMARK   4 6TNA COMPLIES WITH FORMAT V. 3.15, 01-DEC-08                         
REMARK 100                                                                      
REMARK 100 THIS ENTRY HAS BEEN PROCESSED BY BNL.                                
REMARK 200                                                                      
REMARK 200 EXPERIMENTAL DETAILS                                                 
REMARK 200  EXPERIMENT TYPE                : X-RAY DIFFRACTION                  
REMARK 200  DATE OF DATA COLLECTION        : NULL                               
REMARK 200  TEMPERATURE           (KELVIN) : NULL                               
REMARK 200  PH                             : NULL                               
REMARK 200  NUMBER OF CRYSTALS USED        : NULL                               
REMARK 200                                                                      
REMARK 200  SYNCHROTRON              (Y/N) : NULL                               
REMARK 200  RADIATION SOURCE               : NULL                               
REMARK 200  BEAMLINE                       : NULL                               
REMARK 200  X-RAY GENERATOR MODEL          : NULL                               
REMARK 200  MONOCHROMATIC OR LAUE    (M/L) : NULL                               
REMARK 200  WAVELENGTH OR RANGE        (A) : NULL                               
REMARK 200  MONOCHROMATOR                  : NULL                               
REMARK 200  OPTICS                         : NULL                               
REMARK 200                                                                      
REMARK 200  DETECTOR TYPE                  : NULL                               
REMARK 200  DETECTOR MANUFACTURER          : NULL                               
REMARK 200  INTENSITY-INTEGRATION SOFTWARE : NULL                               
REMARK 200  DATA SCALING SOFTWARE          : NULL                               
REMARK 200                                                                      
REMARK 200  NUMBER OF UNIQUE REFLECTIONS   : NULL                               
REMARK 200  RESOLUTION RANGE HIGH      (A) : NULL                               
REMARK 200  RESOLUTION RANGE LOW       (A) : NULL                               
REMARK 200  REJECTION CRITERIA  (SIGMA(I)) : NULL                               
REMARK 200                                                                      
REMARK 200 OVERALL.                                                             
REMARK 200  COMPLETENESS FOR RANGE     (%) : NULL                               
REMARK 200  DATA REDUNDANCY                : NULL                               
REMARK 200  R MERGE                    (I) : NULL                               
REMARK 200  R SYM                      (I) : NULL                               
REMARK 200  <I/SIGMA(I)> FOR THE DATA SET  : NULL                               
REMARK 200                                                                      
REMARK 200 IN THE HIGHEST RESOLUTION SHELL.                                     
REMARK 200  HIGHEST RESOLUTION SHELL, RANGE HIGH (A) : NULL                     
REMARK 200  HIGHEST RESOLUTION SHELL, RANGE LOW  (A) : NULL                     
REMARK 200  COMPLETENESS FOR SHELL     (%) : NULL                               
REMARK 200  DATA REDUNDANCY IN SHELL       : NULL                               
REMARK 200  R MERGE FOR SHELL          (I) : NULL                               
REMARK 200  R SYM FOR SHELL            (I) : NULL                               
REMARK 200  <I/SIGMA(I)> FOR SHELL         : NULL                               
REMARK 200                                                                      
REMARK 200 DIFFRACTION PROTOCOL: NULL                                           
REMARK 200 METHOD USED TO DETERMINE THE STRUCTURE: NULL                         
REMARK 200 SOFTWARE USED: NULL                                                  
REMARK 200 STARTING MODEL: NULL                                                 
REMARK 200                                                                      
REMARK 200 REMARK: NULL                                                         
REMARK 280                                                                      
REMARK 280 CRYSTAL                                                              
REMARK 280 SOLVENT CONTENT, VS   (%): 58.84                                     
REMARK 280 MATTHEWS COEFFICIENT, VM (ANGSTROMS**3/DA): 2.99                     
REMARK 280                                                                      
REMARK 280 CRYSTALLIZATION CONDITIONS: NULL                                     
REMARK 285                                                                      
REMARK 285 THE ENTRY COORDINATES                                                
REMARK 285 ARE NOT PRESENTED IN THE STANDARD CRYSTAL FRAME.                     
REMARK 290                                                                      
REMARK 290 CRYSTALLOGRAPHIC SYMMETRY                                            
REMARK 290 SYMMETRY OPERATORS FOR SPACE GROUP: P 21 2 21                        
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   X+1/2,-Y,-Z+1/2                                         
REMARK 290       4555   -X+1/2,-Y,Z+1/2                                         
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 -0.620236 -0.699553 -0.354730        0.00000            
REMARK 290   SMTRY2   2 -0.699893  0.289252  0.653755        0.00000            
REMARK 290   SMTRY3   2 -0.354342  0.652724 -0.669016        0.00000            
REMARK 290   SMTRY1   3  0.517112  0.853397 -0.059664       32.64117            
REMARK 290   SMTRY2   3  0.854222 -0.519488 -0.033594      -19.25288            
REMARK 290   SMTRY3   3 -0.060407 -0.033980 -0.997624       72.91287            
REMARK 290   SMTRY1   4 -0.896877 -0.153844  0.414393       32.64117            
REMARK 290   SMTRY2   4 -0.154329 -0.769764 -0.620161      -19.25288            
REMARK 290   SMTRY3   4  0.414750 -0.618744  0.666641       72.91287            
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: MONOMERIC                         
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 500                                                                      
REMARK 500 GEOMETRY AND STEREOCHEMISTRY                                         
REMARK 500 SUBTOPIC: CLOSE CONTACTS IN SAME ASYMMETRIC UNIT                     
REMARK 500                                                                      
REMARK 500 THE FOLLOWING ATOMS ARE IN CLOSE CONTACT.                            
REMARK 500                                                                      
REMARK 500  ATM1  RES C  SSEQI   ATM2  RES C  SSEQI           DISTANCE          
REMARK 500   OP2    C A    13     O    HOH A   129              1.54            
REMARK 500   O    HOH A   133     O    HOH A   159              1.56            
REMARK 500   OP2    A A    73     O    HOH A   111              1.71            
REMARK 500   O3'    U A    12     O    HOH A   129              1.83            
REMARK 500   OP2    U A    12     O    HOH A   157              1.86            
REMARK 500   C3'    U A    12     O    HOH A   129              1.86            
REMARK 500   P      C A    13     O    HOH A   129              1.90            
REMARK 500   OP2    G A     4     O    HOH A   140              1.97            
REMARK 500   O3'    G A    45     O    HOH A   102              1.98            
REMARK 500   OP2    U A    47     O    HOH A   116              1.99            
REMARK 500   O5'    C A    25     O    HOH A    92              2.00            
REMARK 500   O2     C A     2     O    HOH A   105              2.02            
REMARK 500   C4'  7MG A    46     O    HOH A   102              2.04            
REMARK 500   P    7MG A    46     O    HOH A   102              2.04            
REMARK 500   O6     G A    45     O    HOH A   112              2.05            
REMARK 500   OP1  7MG A    46     O    HOH A   102              2.06            
REMARK 500   O3'    G A    45     O    HOH A   128              2.08            
REMARK 500   OP2    C A    11     O    HOH A   133              2.09            
REMARK 500   O5'  7MG A    46     O    HOH A   102              2.13            
REMARK 500   OP2    C A    25     O    HOH A    92              2.14            
REMARK 500   OP2  H2U A    16     O    HOH A   139              2.14            
REMARK 500                                                                      
REMARK 500 REMARK: NULL                                                         
REMARK 500                                                                      
REMARK 500 GEOMETRY AND STEREOCHEMISTRY                                         
REMARK 500 SUBTOPIC: CLOSE CONTACTS                                             
REMARK 500                                                                      
REMARK 500 THE FOLLOWING ATOMS THAT ARE RELATED BY CRYSTALLOGRAPHIC             
REMARK 500 SYMMETRY ARE IN CLOSE CONTACT.  AN ATOM LOCATED WITHIN 0.15          
REMARK 500 ANGSTROMS OF A SYMMETRY RELATED ATOM IS ASSUMED TO BE ON A           
REMARK 500 SPECIAL POSITION AND IS, THEREFORE, LISTED IN REMARK 375             
REMARK 500 INSTEAD OF REMARK 500.  ATOMS WITH NON-BLANK ALTERNATE               
REMARK 500 LOCATION INDICATORS ARE NOT INCLUDED IN THE CALCULATIONS.            
REMARK 500                                                                      
REMARK 500 DISTANCE CUTOFF:                                                     
REMARK 500 2.2 ANGSTROMS FOR CONTACTS NOT INVOLVING HYDROGEN ATOMS              
REMARK 500 1.6 ANGSTROMS FOR CONTACTS INVOLVING HYDROGEN ATOMS                  
REMARK 500                                                                      
REMARK 500  ATM1  RES C  SSEQI   ATM2  RES C  SSEQI  SSYMOP   DISTANCE          
REMARK 500   OP1    G A    15     O    HOH A   138     3565     1.75            
REMARK 500   O2'  H2U A    16     O    HOH A   152     3455     2.11            
REMARK 500   O2'    G A    43     O2'    C A    75     3565     2.17            
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      G A  18   C3' -  O3' -  P   ANGL. DEV. =   8.9 DEGREES          
REMARK 500      A A  29   C3' -  O3' -  P   ANGL. DEV. =  -7.5 DEGREES          
REMARK 500      G A  57   C1' -  O4' -  C4' ANGL. DEV. =  -5.7 DEGREES          
REMARK 500      A A  66   C3' -  O3' -  P   ANGL. DEV. =  -7.2 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                              MG A  77  MG                            
REMARK 620 N RES CSSEQI ATOM                                                    
REMARK 620 1 HOH A 149   O                                                      
REMARK 620 2 HOH A 146   O    90.0                                              
REMARK 620 3 HOH A 147   O    90.0  90.0                                        
REMARK 620 4 HOH A 148   O    90.0  90.0 180.0                                  
REMARK 620 5 HOH A 145   O    90.0 180.0  90.1  89.9                            
REMARK 620 6   G A  19   OP1 175.8  91.1  86.0  94.1  89.0                      
REMARK 620 N                    1     2     3     4     5                       
REMARK 620                                                                      
REMARK 620 COORDINATION ANGLES FOR:  M RES CSSEQI METAL                         
REMARK 620                              MG A  78  MG                            
REMARK 620 N RES CSSEQI ATOM                                                    
REMARK 620 1 HOH A 152   O                                                      
REMARK 620 2 HOH A 151   O   180.0                                              
REMARK 620 3 HOH A 150   O    90.0  90.0                                        
REMARK 620 4 HOH A 153   O    90.0  90.0  90.0                                  
REMARK 620 5   G A  20   OP1  91.5  88.5 174.6  84.8                            
REMARK 620 6   A A  21   OP2  85.6  94.4  97.9 170.9  87.4                      
REMARK 620 N                    1     2     3     4     5                       
REMARK 620                                                                      
REMARK 620 COORDINATION ANGLES FOR:  M RES CSSEQI METAL                         
REMARK 620                              MG A  79  MG                            
REMARK 620 N RES CSSEQI ATOM                                                    
REMARK 620 1 HOH A 154   O                                                      
REMARK 620 2 HOH A 158   O    90.0                                              
REMARK 620 3 HOH A 156   O    90.0  90.0                                        
REMARK 620 4 HOH A 157   O    90.0  90.0 180.0                                  
REMARK 620 5 HOH A 155   O   180.0  90.0  90.0  90.0                            
REMARK 620 6 HOH A 159   O    90.0 180.0  90.0  90.0  90.0                      
REMARK 620 N                    1     2     3     4     5                       
REMARK 620                                                                      
REMARK 620 COORDINATION ANGLES FOR:  M RES CSSEQI METAL                         
REMARK 620                              MG A  80  MG                            
REMARK 620 N RES CSSEQI ATOM                                                    
REMARK 620 1 HOH A 163   O                                                      
REMARK 620 2 HOH A 164   O    90.0                                              
REMARK 620 3 HOH A 160   O    90.0  90.0                                        
REMARK 620 4 HOH A 161   O    90.0  90.0 180.0                                  
REMARK 620 5 HOH A 162   O   180.0  90.0  90.0  90.0                            
REMARK 620 6  YG A  37   OP2 110.3 149.1 112.2  67.8  69.7                      
REMARK 620 N                    1     2     3     4     5                       
REMARK 800                                                                      
REMARK 800 SITE                                                                 
REMARK 800 SITE_IDENTIFIER: AC1                                                 
REMARK 800 EVIDENCE_CODE: SOFTWARE                                              
REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE MG A 77                   
REMARK 800                                                                      
REMARK 800 SITE_IDENTIFIER: AC2                                                 
REMARK 800 EVIDENCE_CODE: SOFTWARE                                              
REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE MG A 78                   
REMARK 800                                                                      
REMARK 800 SITE_IDENTIFIER: AC3                                                 
REMARK 800 EVIDENCE_CODE: SOFTWARE                                              
REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE MG A 79                   
REMARK 800                                                                      
REMARK 800 SITE_IDENTIFIER: AC4                                                 
REMARK 800 EVIDENCE_CODE: SOFTWARE                                              
REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE MG A 80                   
DBREF  6TNA A    1    76  PDB    6TNA     6TNA             1     76             
SEQRES   1 A   76    G   C   G   G   A   U   U   U   A 2MG   C   U   C          
SEQRES   2 A   76    A   G H2U H2U   G   G   G   A   G   A   G   C M2G          
SEQRES   3 A   76    C   C   A   G   A OMC   U OMG   A   A  YG   A PSU          
SEQRES   4 A   76  5MC   U   G   G   A   G 7MG   U   C 5MC   U   G   U          
SEQRES   5 A   76    G 5MU PSU   C   G 1MA   U   C   C   A   C   A   G          
SEQRES   6 A   76    A   A   U   U   C   G   C   A   C   C   A                  
MODRES 6TNA 2MG A   10    G  2N-METHYLGUANOSINE-5'-MONOPHOSPHATE                
MODRES 6TNA H2U A   16    U  5,6-DIHYDROURIDINE-5'-MONOPHOSPHATE                
MODRES 6TNA H2U A   17    U  5,6-DIHYDROURIDINE-5'-MONOPHOSPHATE                
MODRES 6TNA M2G A   26    G  N2-DIMETHYLGUANOSINE-5'-MONOPHOSPHATE              
MODRES 6TNA OMC A   32    C  O2'-METHYLYCYTIDINE-5'-MONOPHOSPHATE               
MODRES 6TNA OMG A   34    G  O2'-METHYLGUANOSINE-5'-MONOPHOSPHATE               
MODRES 6TNA  YG A   37    G  WYBUTOSINE                                         
MODRES 6TNA PSU A   39    U  PSEUDOURIDINE-5'-MONOPHOSPHATE                     
MODRES 6TNA 5MC A   40    C  5-METHYLCYTIDINE-5'-MONOPHOSPHATE                  
MODRES 6TNA 7MG A   46    G                                                     
MODRES 6TNA 5MC A   49    C  5-METHYLCYTIDINE-5'-MONOPHOSPHATE                  
MODRES 6TNA 5MU A   54    U  5-METHYLURIDINE 5'-MONOPHOSPHATE                   
MODRES 6TNA PSU A   55    U  PSEUDOURIDINE-5'-MONOPHOSPHATE                     
MODRES 6TNA 1MA A   58    A                                                     
HET    2MG  A  10      24                                                       
HET    H2U  A  16      20                                                       
HET    H2U  A  17      20                                                       
HET    M2G  A  26      25                                                       
HET    OMC  A  32      21                                                       
HET    OMG  A  34      24                                                       
HET     YG  A  37      39                                                       
HET    PSU  A  39      20                                                       
HET    5MC  A  40      21                                                       
HET    7MG  A  46      24                                                       
HET    5MC  A  49      21                                                       
HET    5MU  A  54      21                                                       
HET    PSU  A  55      20                                                       
HET    1MA  A  58      23                                                       
HET     MG  A  77       1                                                       
HET     MG  A  78       1                                                       
HET     MG  A  79       1                                                       
HET     MG  A  80       1                                                       
HETNAM     2MG 2N-METHYLGUANOSINE-5'-MONOPHOSPHATE                              
HETNAM     H2U 5,6-DIHYDROURIDINE-5'-MONOPHOSPHATE                              
HETNAM     M2G N2-DIMETHYLGUANOSINE-5'-MONOPHOSPHATE                            
HETNAM     OMC O2'-METHYLYCYTIDINE-5'-MONOPHOSPHATE                             
HETNAM     OMG O2'-METHYLGUANOSINE-5'-MONOPHOSPHATE                             
HETNAM      YG WYBUTOSINE                                                       
HETNAM     PSU PSEUDOURIDINE-5'-MONOPHOSPHATE                                   
HETNAM     5MC 5-METHYLCYTIDINE-5'-MONOPHOSPHATE                                
HETNAM     7MG 7N-METHYL-8-HYDROGUANOSINE-5'-MONOPHOSPHATE                      
HETNAM     5MU 5-METHYLURIDINE 5'-MONOPHOSPHATE                                 
HETNAM     1MA 6-HYDRO-1-METHYLADENOSINE-5'-MONOPHOSPHATE                       
HETNAM      MG MAGNESIUM ION                                                    
HETSYN      YG Y-BASE; 1H-IMIDAZO(1,2-ALPHA)PURINE-7-BUTANOIC ACID,4,           
HETSYN   2  YG  9-DIHYDRO-ALPHA-((METHOXYCARBONYL)AMINO)-4,6-DIMETHYL-          
HETSYN   3  YG  9-OXO-METHYL ESTER                                              
FORMUL   1  2MG    C11 H16 N5 O8 P                                              
FORMUL   1  H2U    2(C9 H15 N2 O9 P)                                            
FORMUL   1  M2G    C12 H18 N5 O8 P                                              
FORMUL   1  OMC    C10 H16 N3 O8 P                                              
FORMUL   1  OMG    C11 H16 N5 O8 P                                              
FORMUL   1   YG    C21 H29 N6 O12 P                                             
FORMUL   1  PSU    2(C9 H13 N2 O9 P)                                            
FORMUL   1  5MC    2(C10 H16 N3 O8 P)                                           
FORMUL   1  7MG    C11 H18 N5 O8 P                                              
FORMUL   1  5MU    C10 H15 N2 O9 P                                              
FORMUL   1  1MA    C11 H16 N5 O7 P                                              
FORMUL   2   MG    4(MG 2+)                                                     
FORMUL   6  HOH   *84(H2 O)                                                     
LINK         P   2MG A  10                 O3'   A A   9     1555   1555  1.59  
LINK         O3' 2MG A  10                 P     C A  11     1555   1555  1.59  
LINK         P   H2U A  16                 O3'   G A  15     1555   1555  1.61  
LINK         O3' H2U A  16                 P   H2U A  17     1555   1555  1.60  
LINK         O3' H2U A  17                 P     G A  18     1555   1555  1.59  
LINK         P   M2G A  26                 O3'   C A  25     1555   1555  1.61  
LINK         O3' M2G A  26                 P     C A  27     1555   1555  1.59  
LINK         P   OMC A  32                 O3'   A A  31     1555   1555  1.60  
LINK         O3' OMC A  32                 P     U A  33     1555   1555  1.60  
LINK         P   OMG A  34                 O3'   U A  33     1555   1555  1.60  
LINK         O3' OMG A  34                 P     A A  35     1555   1555  1.60  
LINK         P    YG A  37                 O3'   A A  36     1555   1555  1.59  
LINK         O3'  YG A  37                 P     A A  38     1555   1555  1.59  
LINK         P   PSU A  39                 O3'   A A  38     1555   1555  1.62  
LINK         O3' PSU A  39                 P   5MC A  40     1555   1555  1.59  
LINK         O3' 5MC A  40                 P     U A  41     1555   1555  1.60  
LINK         P   7MG A  46                 O3'   G A  45     1555   1555  1.59  
LINK         O3' 7MG A  46                 P     U A  47     1555   1555  1.60  
LINK         P   5MC A  49                 O3'   C A  48     1555   1555  1.59  
LINK         O3' 5MC A  49                 P     U A  50     1555   1555  1.60  
LINK         P   5MU A  54                 O3'   G A  53     1555   1555  1.59  
LINK         O3' 5MU A  54                 P   PSU A  55     1555   1555  1.60  
LINK         O3' PSU A  55                 P     C A  56     1555   1555  1.59  
LINK         P   1MA A  58                 O3'   G A  57     1555   1555  1.59  
LINK         O3' 1MA A  58                 P     U A  59     1555   1555  1.59  
LINK        MG    MG A  77                 O   HOH A 149     1555   1555  2.00  
LINK        MG    MG A  77                 O   HOH A 146     1555   1555  2.00  
LINK        MG    MG A  77                 O   HOH A 147     1555   1555  2.00  
LINK        MG    MG A  77                 O   HOH A 148     1555   1555  2.00  
LINK        MG    MG A  77                 O   HOH A 145     1555   1555  2.00  
LINK        MG    MG A  78                 O   HOH A 152     1555   1555  2.00  
LINK        MG    MG A  78                 O   HOH A 151     1555   1555  2.00  
LINK        MG    MG A  78                 O   HOH A 150     1555   1555  2.00  
LINK        MG    MG A  78                 O   HOH A 153     1555   1555  2.00  
LINK        MG    MG A  79                 O   HOH A 154     1555   1555  2.00  
LINK        MG    MG A  79                 O   HOH A 158     1555   1555  2.00  
LINK        MG    MG A  79                 O   HOH A 156     1555   1555  2.00  
LINK        MG    MG A  79                 O   HOH A 157     1555   1555  2.00  
LINK        MG    MG A  79                 O   HOH A 155     1555   1555  2.00  
LINK        MG    MG A  79                 O   HOH A 159     1555   1555  2.00  
LINK        MG    MG A  80                 O   HOH A 163     1555   1555  2.00  
LINK        MG    MG A  80                 O   HOH A 164     1555   1555  2.00  
LINK        MG    MG A  80                 O   HOH A 160     1555   1555  2.00  
LINK        MG    MG A  80                 O   HOH A 161     1555   1555  2.00  
LINK        MG    MG A  80                 O   HOH A 162     1555   1555  2.00  
LINK         OP1   G A  19                MG    MG A  77     1555   1555  1.91  
LINK         OP1   G A  20                MG    MG A  78     1555   1555  2.34  
LINK         OP2   A A  21                MG    MG A  78     1555   1555  1.76  
LINK         OP2  YG A  37                MG    MG A  80     1555   1555  2.26  
SITE     1 AC1  6   G A  19  HOH A 145  HOH A 146  HOH A 147                    
SITE     2 AC1  6 HOH A 148  HOH A 149                                          
SITE     1 AC2  7 H2U A  16    G A  20    A A  21  HOH A 150                    
SITE     2 AC2  7 HOH A 151  HOH A 152  HOH A 153                               
SITE     1 AC3  9   U A   8    U A  12  HOH A 133  HOH A 154                    
SITE     2 AC3  9 HOH A 155  HOH A 156  HOH A 157  HOH A 158                    
SITE     3 AC3  9 HOH A 159                                                     
SITE     1 AC4  6  YG A  37  HOH A 160  HOH A 161  HOH A 162                    
SITE     2 AC4  6 HOH A 163  HOH A 164                                          
CRYST1   33.000   56.000  161.000  90.00  90.00  90.00 P 21 2 21     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      0.026394  0.014847 -0.001038       -0.30448                         
SCALE2     -0.007782  0.014335  0.007269       -0.06000                         
SCALE3      0.001411 -0.002105  0.005670       -0.00907