PDB Short entry for 1RLG
HEADER    STRUCTURAL PROTEIN/RNA                  25-NOV-03   1RLG              
TITLE     MOLECULAR BASIS OF BOX C/D RNA-PROTEIN INTERACTION: CO-CRYSTAL        
TITLE    2 STRUCTURE OF THE ARCHAEAL SRNP INTIATION COMPLEX                     
CAVEAT     1RLG    CHIRALITY ERROR AT CYT16                                     
COMPND    MOL_ID: 1;                                                            
COMPND   2 MOLECULE: 25-MER;                                                    
COMPND   3 CHAIN: C, D;                                                         
COMPND   4 ENGINEERED: YES;                                                     
COMPND   5 MOL_ID: 2;                                                           
COMPND   6 MOLECULE: 50S RIBOSOMAL PROTEIN L7AE;                                
COMPND   7 CHAIN: A, B;                                                         
COMPND   8 ENGINEERED: YES                                                      
SOURCE    MOL_ID: 1;                                                            
SOURCE   2 SYNTHETIC: YES;                                                      
SOURCE   3 MOL_ID: 2;                                                           
SOURCE   4 ORGANISM_SCIENTIFIC: ARCHAEOGLOBUS FULGIDUS;                         
SOURCE   5 ORGANISM_TAXID: 2234;                                                
SOURCE   6 GENE: RPL7AE, AF0764;                                                
SOURCE   7 EXPRESSION_SYSTEM: ESCHERICHIA COLI BL21;                            
SOURCE   8 EXPRESSION_SYSTEM_TAXID: 511693;                                     
SOURCE   9 EXPRESSION_SYSTEM_STRAIN: BL21;                                      
SOURCE  10 EXPRESSION_SYSTEM_VECTOR_TYPE: PLASMID;                              
SOURCE  11 EXPRESSION_SYSTEM_PLASMID: PET13                                     
KEYWDS    PROTEIN-RNA, STRUCTURAL PROTEIN-RNA COMPLEX                           
EXPDTA    X-RAY DIFFRACTION                                                     
AUTHOR    T.MOORE,Y.ZHANG,M.O.FENLEY,H.LI                                       
REVDAT   4   14-FEB-24 1RLG    1       LINK                                     
REVDAT   3   18-APR-18 1RLG    1       REMARK                                   
REVDAT   2   24-FEB-09 1RLG    1       VERSN                                    
REVDAT   1   01-JUN-04 1RLG    0                                                
JRNL        AUTH   T.MOORE,Y.ZHANG,M.O.FENLEY,H.LI                              
JRNL        TITL   MOLECULAR BASIS OF BOX C/D RNA-PROTEIN INTERACTIONS;         
JRNL        TITL 2 COCRYSTAL STRUCTURE OF ARCHAEAL L7AE AND A BOX C/D RNA.      
JRNL        REF    STRUCTURE                     V.  12   807 2004              
JRNL        REFN                   ISSN 0969-2126                               
JRNL        PMID   15130473                                                     
JRNL        DOI    10.1016/J.STR.2004.02.033                                    
REMARK   2                                                                      
REMARK   2 RESOLUTION.    2.70 ANGSTROMS.                                       
REMARK   3                                                                      
REMARK   3 REFINEMENT.                                                          
REMARK   3   PROGRAM     : CNS 1.1                                              
REMARK   3   AUTHORS     : BRUNGER,ADAMS,CLORE,DELANO,GROS,GROSSE-              
REMARK   3               : KUNSTLEVE,JIANG,KUSZEWSKI,NILGES,PANNU,              
REMARK   3               : READ,RICE,SIMONSON,WARREN                            
REMARK   3                                                                      
REMARK   3  REFINEMENT TARGET : ENGH & HUBER                                    
REMARK   3                                                                      
REMARK   3  DATA USED IN REFINEMENT.                                            
REMARK   3   RESOLUTION RANGE HIGH (ANGSTROMS) : 2.70                           
REMARK   3   RESOLUTION RANGE LOW  (ANGSTROMS) : 29.25                          
REMARK   3   DATA CUTOFF            (SIGMA(F)) : 0.000                          
REMARK   3   DATA CUTOFF HIGH         (ABS(F)) : 324127.190                     
REMARK   3   DATA CUTOFF LOW          (ABS(F)) : 0.0000                         
REMARK   3   COMPLETENESS (WORKING+TEST)   (%) : 94.0                           
REMARK   3   NUMBER OF REFLECTIONS             : 28953                          
REMARK   3                                                                      
REMARK   3  FIT TO DATA USED IN REFINEMENT.                                     
REMARK   3   CROSS-VALIDATION METHOD          : THROUGHOUT                      
REMARK   3   FREE R VALUE TEST SET SELECTION  : RANDOM                          
REMARK   3   R VALUE            (WORKING SET) : 0.235                           
REMARK   3   FREE R VALUE                     : 0.260                           
REMARK   3   FREE R VALUE TEST SET SIZE   (%) : 9.300                           
REMARK   3   FREE R VALUE TEST SET COUNT      : 2706                            
REMARK   3   ESTIMATED ERROR OF FREE R VALUE  : 0.005                           
REMARK   3                                                                      
REMARK   3  FIT IN THE HIGHEST RESOLUTION BIN.                                  
REMARK   3   TOTAL NUMBER OF BINS USED           : 6                            
REMARK   3   BIN RESOLUTION RANGE HIGH       (A) : 2.70                         
REMARK   3   BIN RESOLUTION RANGE LOW        (A) : 2.87                         
REMARK   3   BIN COMPLETENESS (WORKING+TEST) (%) : 78.80                        
REMARK   3   REFLECTIONS IN BIN    (WORKING SET) : 3738                         
REMARK   3   BIN R VALUE           (WORKING SET) : 0.3790                       
REMARK   3   BIN FREE R VALUE                    : 0.3960                       
REMARK   3   BIN FREE R VALUE TEST SET SIZE  (%) : 8.50                         
REMARK   3   BIN FREE R VALUE TEST SET COUNT     : 348                          
REMARK   3   ESTIMATED ERROR OF BIN FREE R VALUE : 0.021                        
REMARK   3                                                                      
REMARK   3  NUMBER OF NON-HYDROGEN ATOMS USED IN REFINEMENT.                    
REMARK   3   PROTEIN ATOMS            : 1774                                    
REMARK   3   NUCLEIC ACID ATOMS       : 1078                                    
REMARK   3   HETEROGEN ATOMS          : 0                                       
REMARK   3   SOLVENT ATOMS            : 0                                       
REMARK   3                                                                      
REMARK   3  B VALUES.                                                           
REMARK   3   FROM WILSON PLOT           (A**2) : 80.70                          
REMARK   3   MEAN B VALUE      (OVERALL, A**2) : 61.90                          
REMARK   3   OVERALL ANISOTROPIC B VALUE.                                       
REMARK   3    B11 (A**2) : 0.00000                                              
REMARK   3    B22 (A**2) : 0.00000                                              
REMARK   3    B33 (A**2) : 0.00000                                              
REMARK   3    B12 (A**2) : 0.00000                                              
REMARK   3    B13 (A**2) : 0.00000                                              
REMARK   3    B23 (A**2) : 0.00000                                              
REMARK   3                                                                      
REMARK   3  ESTIMATED COORDINATE ERROR.                                         
REMARK   3   ESD FROM LUZZATI PLOT        (A) : 0.41                            
REMARK   3   ESD FROM SIGMAA              (A) : 0.51                            
REMARK   3   LOW RESOLUTION CUTOFF        (A) : 5.00                            
REMARK   3                                                                      
REMARK   3  CROSS-VALIDATED ESTIMATED COORDINATE ERROR.                         
REMARK   3   ESD FROM C-V LUZZATI PLOT    (A) : 0.47                            
REMARK   3   ESD FROM C-V SIGMAA          (A) : 0.54                            
REMARK   3                                                                      
REMARK   3  RMS DEVIATIONS FROM IDEAL VALUES.                                   
REMARK   3   BOND LENGTHS                 (A) : 0.007                           
REMARK   3   BOND ANGLES            (DEGREES) : 2.100                           
REMARK   3   DIHEDRAL ANGLES        (DEGREES) : 22.40                           
REMARK   3   IMPROPER ANGLES        (DEGREES) : 2.780                           
REMARK   3                                                                      
REMARK   3  ISOTROPIC THERMAL MODEL : RESTRAINED                                
REMARK   3                                                                      
REMARK   3  ISOTROPIC THERMAL FACTOR RESTRAINTS.    RMS    SIGMA                
REMARK   3   MAIN-CHAIN BOND              (A**2) : NULL  ; NULL                 
REMARK   3   MAIN-CHAIN ANGLE             (A**2) : NULL  ; NULL                 
REMARK   3   SIDE-CHAIN BOND              (A**2) : NULL  ; NULL                 
REMARK   3   SIDE-CHAIN ANGLE             (A**2) : NULL  ; NULL                 
REMARK   3                                                                      
REMARK   3  BULK SOLVENT MODELING.                                              
REMARK   3   METHOD USED : FLAT MODEL                                           
REMARK   3   KSOL        : 0.29                                                 
REMARK   3   BSOL        : 33.17                                                
REMARK   3                                                                      
REMARK   3  NCS MODEL : NULL                                                    
REMARK   3                                                                      
REMARK   3  NCS RESTRAINTS.                         RMS   SIGMA/WEIGHT          
REMARK   3   GROUP  1  POSITIONAL            (A) : NULL  ; NULL                 
REMARK   3   GROUP  1  B-FACTOR           (A**2) : NULL  ; NULL                 
REMARK   3                                                                      
REMARK   3  PARAMETER FILE  1  : PROTEIN_REP.PARAM                              
REMARK   3  PARAMETER FILE  2  : DNA-RNA_REP.PARAM                              
REMARK   3  PARAMETER FILE  3  : WATER_REP.PARAM                                
REMARK   3  PARAMETER FILE  4  : ION.PARAM                                      
REMARK   3  PARAMETER FILE  5  : NULL                                           
REMARK   3  TOPOLOGY FILE  1   : PROTEIN.TOP                                    
REMARK   3  TOPOLOGY FILE  2   : DNA-RNA.TOP                                    
REMARK   3  TOPOLOGY FILE  3   : WATER.TOP                                      
REMARK   3  TOPOLOGY FILE  4   : ION.TOP                                        
REMARK   3  TOPOLOGY FILE  5   : NULL                                           
REMARK   3                                                                      
REMARK   3  OTHER REFINEMENT REMARKS: NULL                                      
REMARK   4                                                                      
REMARK   4 1RLG COMPLIES WITH FORMAT V. 3.30, 13-JUL-11                         
REMARK 100                                                                      
REMARK 100 THIS ENTRY HAS BEEN PROCESSED BY RCSB ON 02-DEC-03.                  
REMARK 100 THE DEPOSITION ID IS D_1000020861.                                   
REMARK 200                                                                      
REMARK 200 EXPERIMENTAL DETAILS                                                 
REMARK 200  EXPERIMENT TYPE                : X-RAY DIFFRACTION                  
REMARK 200  DATE OF DATA COLLECTION        : 16-APR-03                          
REMARK 200  TEMPERATURE           (KELVIN) : 263                                
REMARK 200  PH                             : 7.5                                
REMARK 200  NUMBER OF CRYSTALS USED        : 1                                  
REMARK 200                                                                      
REMARK 200  SYNCHROTRON              (Y/N) : Y                                  
REMARK 200  RADIATION SOURCE               : SSRL                               
REMARK 200  BEAMLINE                       : BL11-1                             
REMARK 200  X-RAY GENERATOR MODEL          : NULL                               
REMARK 200  MONOCHROMATIC OR LAUE    (M/L) : M                                  
REMARK 200  WAVELENGTH OR RANGE        (A) : 0.99, 1.09, 0.97                   
REMARK 200  MONOCHROMATOR                  : GRAPHITE                           
REMARK 200  OPTICS                         : NULL                               
REMARK 200                                                                      
REMARK 200  DETECTOR TYPE                  : IMAGE PLATE                        
REMARK 200  DETECTOR MANUFACTURER          : FUJI                               
REMARK 200  INTENSITY-INTEGRATION SOFTWARE : HKL-2000                           
REMARK 200  DATA SCALING SOFTWARE          : SCALEPACK                          
REMARK 200                                                                      
REMARK 200  NUMBER OF UNIQUE REFLECTIONS   : 30750                              
REMARK 200  RESOLUTION RANGE HIGH      (A) : 2.700                              
REMARK 200  RESOLUTION RANGE LOW       (A) : 29.250                             
REMARK 200  REJECTION CRITERIA  (SIGMA(I)) : 2.000                              
REMARK 200                                                                      
REMARK 200 OVERALL.                                                             
REMARK 200  COMPLETENESS FOR RANGE     (%) : 0.9                                
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) : 2.70                     
REMARK 200  HIGHEST RESOLUTION SHELL, RANGE LOW  (A) : 2.71                     
REMARK 200  COMPLETENESS FOR SHELL     (%) : 54.0                               
REMARK 200  DATA REDUNDANCY IN SHELL       : NULL                               
REMARK 200  R MERGE FOR SHELL          (I) : NULL                               
REMARK 200  R SYM FOR SHELL            (I) : NULL                               
REMARK 200  <I/SIGMA(I)> FOR SHELL         : NULL                               
REMARK 200                                                                      
REMARK 200 DIFFRACTION PROTOCOL: MAD                                            
REMARK 200 METHOD USED TO DETERMINE THE STRUCTURE: MAD                          
REMARK 200 SOFTWARE USED: SOLVE                                                 
REMARK 200 STARTING MODEL: NULL                                                 
REMARK 200                                                                      
REMARK 200 REMARK: NULL                                                         
REMARK 280                                                                      
REMARK 280 CRYSTAL                                                              
REMARK 280 SOLVENT CONTENT, VS   (%): 66.12                                     
REMARK 280 MATTHEWS COEFFICIENT, VM (ANGSTROMS**3/DA): 3.66                     
REMARK 280                                                                      
REMARK 280 CRYSTALLIZATION CONDITIONS: PEG 400,MAGNESIUM ACETATE, HEPES , PH    
REMARK 280  7.5, EVAPORATION, TEMPERATURE 303K                                  
REMARK 290                                                                      
REMARK 290 CRYSTALLOGRAPHIC SYMMETRY                                            
REMARK 290 SYMMETRY OPERATORS FOR SPACE GROUP: P 2 3                            
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,Y,-Z                                                 
REMARK 290       4555   X,-Y,-Z                                                 
REMARK 290       5555   Z,X,Y                                                   
REMARK 290       6555   Z,-X,-Y                                                 
REMARK 290       7555   -Z,-X,Y                                                 
REMARK 290       8555   -Z,X,-Y                                                 
REMARK 290       9555   Y,Z,X                                                   
REMARK 290      10555   -Y,Z,-X                                                 
REMARK 290      11555   Y,-Z,-X                                                 
REMARK 290      12555   -Y,-Z,X                                                 
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 -1.000000  0.000000  0.000000        0.00000            
REMARK 290   SMTRY2   3  0.000000  1.000000  0.000000        0.00000            
REMARK 290   SMTRY3   3  0.000000  0.000000 -1.000000        0.00000            
REMARK 290   SMTRY1   4  1.000000  0.000000  0.000000        0.00000            
REMARK 290   SMTRY2   4  0.000000 -1.000000  0.000000        0.00000            
REMARK 290   SMTRY3   4  0.000000  0.000000 -1.000000        0.00000            
REMARK 290   SMTRY1   5  0.000000  0.000000  1.000000        0.00000            
REMARK 290   SMTRY2   5  1.000000  0.000000  0.000000        0.00000            
REMARK 290   SMTRY3   5  0.000000  1.000000  0.000000        0.00000            
REMARK 290   SMTRY1   6  0.000000  0.000000  1.000000        0.00000            
REMARK 290   SMTRY2   6 -1.000000  0.000000  0.000000        0.00000            
REMARK 290   SMTRY3   6  0.000000 -1.000000  0.000000        0.00000            
REMARK 290   SMTRY1   7  0.000000  0.000000 -1.000000        0.00000            
REMARK 290   SMTRY2   7 -1.000000  0.000000  0.000000        0.00000            
REMARK 290   SMTRY3   7  0.000000  1.000000  0.000000        0.00000            
REMARK 290   SMTRY1   8  0.000000  0.000000 -1.000000        0.00000            
REMARK 290   SMTRY2   8  1.000000  0.000000  0.000000        0.00000            
REMARK 290   SMTRY3   8  0.000000 -1.000000  0.000000        0.00000            
REMARK 290   SMTRY1   9  0.000000  1.000000  0.000000        0.00000            
REMARK 290   SMTRY2   9  0.000000  0.000000  1.000000        0.00000            
REMARK 290   SMTRY3   9  1.000000  0.000000  0.000000        0.00000            
REMARK 290   SMTRY1  10  0.000000 -1.000000  0.000000        0.00000            
REMARK 290   SMTRY2  10  0.000000  0.000000  1.000000        0.00000            
REMARK 290   SMTRY3  10 -1.000000  0.000000  0.000000        0.00000            
REMARK 290   SMTRY1  11  0.000000  1.000000  0.000000        0.00000            
REMARK 290   SMTRY2  11  0.000000  0.000000 -1.000000        0.00000            
REMARK 290   SMTRY3  11 -1.000000  0.000000  0.000000        0.00000            
REMARK 290   SMTRY1  12  0.000000 -1.000000  0.000000        0.00000            
REMARK 290   SMTRY2  12  0.000000  0.000000 -1.000000        0.00000            
REMARK 290   SMTRY3  12  1.000000  0.000000  0.000000        0.00000            
REMARK 290                                                                      
REMARK 290 REMARK: NULL                                                         
REMARK 300                                                                      
REMARK 300 BIOMOLECULE: 1, 2                                                    
REMARK 300 SEE REMARK 350 FOR THE AUTHOR PROVIDED AND/OR PROGRAM                
REMARK 300 GENERATED ASSEMBLY INFORMATION FOR THE STRUCTURE IN                  
REMARK 300 THIS ENTRY. THE REMARK MAY ALSO PROVIDE INFORMATION ON               
REMARK 300 BURIED SURFACE AREA.                                                 
REMARK 300 REMARK: THE BIOLOGICAL ASSEMBLY IS PACKED BY A DIMMER                
REMARK 300 IN THE ASYMMETRIC UNIT BY THE OPERATIONS OF SPACE GROUP P23          
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: C, 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                                                                      
REMARK 350 BIOMOLECULE: 2                                                       
REMARK 350 AUTHOR DETERMINED BIOLOGICAL UNIT: DIMERIC                           
REMARK 350 APPLY THE FOLLOWING TO CHAINS: D, B                                  
REMARK 350   BIOMT1   1  1.000000  0.000000  0.000000        0.00000            
REMARK 350   BIOMT2   1  0.000000  1.000000  0.000000        0.00000            
REMARK 350   BIOMT3   1  0.000000  0.000000  1.000000        0.00000            
REMARK 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     MET A     1                                                      
REMARK 465     TYR A     2                                                      
REMARK 465     VAL A     3                                                      
REMARK 465     ARG A     4                                                      
REMARK 465     PHE A     5                                                      
REMARK 465     GLU A     6                                                      
REMARK 465     MET B     1                                                      
REMARK 465     LYS B   119                                                      
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   C    PRO B    55     CD   PRO B    56              1.80            
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      A C   7   C2' -  C3' -  O3' ANGL. DEV. =  15.4 DEGREES          
REMARK 500      C C  16   C2' -  C3' -  O3' ANGL. DEV. =  10.8 DEGREES          
REMARK 500      G C  17   N9  -  C1' -  C2' ANGL. DEV. =   9.0 DEGREES          
REMARK 500      U C  18   C2' -  C3' -  O3' ANGL. DEV. =  15.0 DEGREES          
REMARK 500      A D   7   C2' -  C3' -  O3' ANGL. DEV. =  14.6 DEGREES          
REMARK 500      C D  16   C2' -  C3' -  O3' ANGL. DEV. =  13.2 DEGREES          
REMARK 500      G D  17   C2' -  C3' -  O3' ANGL. DEV. =  13.2 DEGREES          
REMARK 500      U D  18   C2' -  C3' -  O3' ANGL. DEV. =  14.1 DEGREES          
REMARK 500    ASP A  54   N   -  CA  -  C   ANGL. DEV. =  22.8 DEGREES          
REMARK 500    PRO A  55   C   -  N   -  CA  ANGL. DEV. =  21.2 DEGREES          
REMARK 500    PRO A  55   C   -  N   -  CD  ANGL. DEV. = -21.9 DEGREES          
REMARK 500    PRO A  56   C   -  N   -  CA  ANGL. DEV. =  26.0 DEGREES          
REMARK 500    PRO A  56   C   -  N   -  CD  ANGL. DEV. = -39.8 DEGREES          
REMARK 500    PRO B  56   C   -  N   -  CA  ANGL. DEV. =  32.2 DEGREES          
REMARK 500    PRO B  56   C   -  N   -  CD  ANGL. DEV. = -41.4 DEGREES          
REMARK 500                                                                      
REMARK 500 REMARK: NULL                                                         
REMARK 500                                                                      
REMARK 500 GEOMETRY AND STEREOCHEMISTRY                                         
REMARK 500 SUBTOPIC: TORSION ANGLES                                             
REMARK 500                                                                      
REMARK 500 TORSION ANGLES OUTSIDE THE EXPECTED RAMACHANDRAN REGIONS:            
REMARK 500 (M=MODEL NUMBER; RES=RESIDUE NAME; C=CHAIN IDENTIFIER;               
REMARK 500 SSEQ=SEQUENCE NUMBER; I=INSERTION CODE).                             
REMARK 500                                                                      
REMARK 500 STANDARD TABLE:                                                      
REMARK 500 FORMAT:(10X,I3,1X,A3,1X,A1,I4,A1,4X,F7.2,3X,F7.2)                    
REMARK 500                                                                      
REMARK 500 EXPECTED VALUES: GJ KLEYWEGT AND TA JONES (1996). PHI/PSI-           
REMARK 500 CHOLOGY: RAMACHANDRAN REVISITED. STRUCTURE 4, 1395 - 1400            
REMARK 500                                                                      
REMARK 500  M RES CSSEQI        PSI       PHI                                   
REMARK 500    PRO A  55      130.33     29.05                                   
REMARK 500    PRO A  56      -80.39     81.37                                   
REMARK 500    GLU A  57       -9.25    -57.75                                   
REMARK 500    LYS A  77      -74.89    -52.26                                   
REMARK 500    ARG A 104      -70.77    -27.06                                   
REMARK 500    PHE B   5      137.73    176.81                                   
REMARK 500    GLU B  24      -68.62    -98.30                                   
REMARK 500    ASP B  52       32.81    -77.48                                   
REMARK 500    PRO B  55     -176.41    -43.61                                   
REMARK 500    PRO B  56      -95.86     82.49                                   
REMARK 500    GLU B  68      -46.49   -151.42                                   
REMARK 500                                                                      
REMARK 500 REMARK: NULL                                                         
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 D   6         0.05    SIDE CHAIN                              
REMARK 500                                                                      
REMARK 500 REMARK: NULL                                                         
DBREF  1RLG A    1   119  UNP    O29494   RL7A_ARCFU       1    119             
DBREF  1RLG B    1   119  UNP    O29494   RL7A_ARCFU       1    119             
DBREF  1RLG C    1    25  PDB    1RLG     1RLG             1     25             
DBREF  1RLG D    1    25  PDB    1RLG     1RLG             1     25             
SEQRES   1 C   25    G   C 5BU   C 5BU   G   A   C   C   G   A   A   A          
SEQRES   2 C   25    G   G   C   G   U   G   A 5BU   G   A   G   C              
SEQRES   1 D   25    G   C 5BU   C 5BU   G   A   C   C   G   A   A   A          
SEQRES   2 D   25    G   G   C   G   U   G   A 5BU   G   A   G   C              
SEQRES   1 A  119  MET TYR VAL ARG PHE GLU VAL PRO GLU ASP MET GLN ASN          
SEQRES   2 A  119  GLU ALA LEU SER LEU LEU GLU LYS VAL ARG GLU SER GLY          
SEQRES   3 A  119  LYS VAL LYS LYS GLY THR ASN GLU THR THR LYS ALA VAL          
SEQRES   4 A  119  GLU ARG GLY LEU ALA LYS LEU VAL TYR ILE ALA GLU ASP          
SEQRES   5 A  119  VAL ASP PRO PRO GLU ILE VAL ALA HIS LEU PRO LEU LEU          
SEQRES   6 A  119  CYS GLU GLU LYS ASN VAL PRO TYR ILE TYR VAL LYS SER          
SEQRES   7 A  119  LYS ASN ASP LEU GLY ARG ALA VAL GLY ILE GLU VAL PRO          
SEQRES   8 A  119  CYS ALA SER ALA ALA ILE ILE ASN GLU GLY GLU LEU ARG          
SEQRES   9 A  119  LYS GLU LEU GLY SER LEU VAL GLU LYS ILE LYS GLY LEU          
SEQRES  10 A  119  GLN LYS                                                      
SEQRES   1 B  119  MET TYR VAL ARG PHE GLU VAL PRO GLU ASP MET GLN ASN          
SEQRES   2 B  119  GLU ALA LEU SER LEU LEU GLU LYS VAL ARG GLU SER GLY          
SEQRES   3 B  119  LYS VAL LYS LYS GLY THR ASN GLU THR THR LYS ALA VAL          
SEQRES   4 B  119  GLU ARG GLY LEU ALA LYS LEU VAL TYR ILE ALA GLU ASP          
SEQRES   5 B  119  VAL ASP PRO PRO GLU ILE VAL ALA HIS LEU PRO LEU LEU          
SEQRES   6 B  119  CYS GLU GLU LYS ASN VAL PRO TYR ILE TYR VAL LYS SER          
SEQRES   7 B  119  LYS ASN ASP LEU GLY ARG ALA VAL GLY ILE GLU VAL PRO          
SEQRES   8 B  119  CYS ALA SER ALA ALA ILE ILE ASN GLU GLY GLU LEU ARG          
SEQRES   9 B  119  LYS GLU LEU GLY SER LEU VAL GLU LYS ILE LYS GLY LEU          
SEQRES  10 B  119  GLN LYS                                                      
MODRES 1RLG 5BU C    3    U  5-BROMO-URIDINE-5'-MONOPHOSPHATE                   
MODRES 1RLG 5BU C    5    U  5-BROMO-URIDINE-5'-MONOPHOSPHATE                   
MODRES 1RLG 5BU C   21    U  5-BROMO-URIDINE-5'-MONOPHOSPHATE                   
MODRES 1RLG 5BU D    3    U  5-BROMO-URIDINE-5'-MONOPHOSPHATE                   
MODRES 1RLG 5BU D    5    U  5-BROMO-URIDINE-5'-MONOPHOSPHATE                   
MODRES 1RLG 5BU D   21    U  5-BROMO-URIDINE-5'-MONOPHOSPHATE                   
HET    5BU  C   3      21                                                       
HET    5BU  C   5      21                                                       
HET    5BU  C  21      21                                                       
HET    5BU  D   3      21                                                       
HET    5BU  D   5      21                                                       
HET    5BU  D  21      21                                                       
HETNAM     5BU 5-BROMO-URIDINE-5'-MONOPHOSPHATE                                 
FORMUL   1  5BU    6(C9 H12 BR N2 O9 P)                                         
HELIX    1   1 GLU A    9  GLY A   26  1                                  18    
HELIX    2   2 GLY A   31  GLU A   40  1                                  10    
HELIX    3   3 HIS A   61  LYS A   69  1                                   9    
HELIX    4   4 SER A   78  VAL A   86  1                                   9    
HELIX    5   5 GLU A  100  GLU A  102  5                                   3    
HELIX    6   6 LEU A  103  GLY A  116  1                                  14    
HELIX    7   7 PRO B    8  GLY B   26  1                                  19    
HELIX    8   8 GLY B   31  ARG B   41  1                                  11    
HELIX    9   9 HIS B   61  CYS B   66  1                                   6    
HELIX   10  10 SER B   78  GLY B   87  1                                  10    
HELIX   11  11 LEU B  103  LEU B  117  1                                  15    
SHEET    1   A 4 LYS A  27  LYS A  30  0                                        
SHEET    2   A 4 SER A  94  ASN A  99 -1  O  ALA A  96   N  LYS A  29           
SHEET    3   A 4 LEU A  46  ALA A  50 -1  N  TYR A  48   O  ALA A  95           
SHEET    4   A 4 TYR A  73  VAL A  76  1  O  VAL A  76   N  ILE A  49           
SHEET    1   B 4 LYS B  27  LYS B  30  0                                        
SHEET    2   B 4 SER B  94  ASN B  99 -1  O  ALA B  96   N  LYS B  29           
SHEET    3   B 4 LEU B  46  ALA B  50 -1  N  TYR B  48   O  ALA B  95           
SHEET    4   B 4 TYR B  73  VAL B  76  1  O  VAL B  76   N  ILE B  49           
LINK         O3'   C C   2                 P   5BU C   3     1555   1555  1.61  
LINK         O3' 5BU C   3                 P     C C   4     1555   1555  1.61  
LINK         O3'   C C   4                 P   5BU C   5     1555   1555  1.61  
LINK         O3' 5BU C   5                 P     G C   6     1555   1555  1.62  
LINK         O3'   A C  20                 P   5BU C  21     1555   1555  1.60  
LINK         O3' 5BU C  21                 P     G C  22     1555   1555  1.61  
LINK         O3'   C D   2                 P   5BU D   3     1555   1555  1.60  
LINK         O3' 5BU D   3                 P     C D   4     1555   1555  1.60  
LINK         O3'   C D   4                 P   5BU D   5     1555   1555  1.61  
LINK         O3' 5BU D   5                 P     G D   6     1555   1555  1.61  
LINK         O3'   A D  20                 P   5BU D  21     1555   1555  1.61  
LINK         O3' 5BU D  21                 P     G D  22     1555   1555  1.61  
CISPEP   1 ASP A   54    PRO A   55          0         3.31                     
CISPEP   2 PRO A   55    PRO A   56          0         4.81                     
CISPEP   3 ASP B   54    PRO B   55          0        -0.20                     
CISPEP   4 PRO B   55    PRO B   56          0         4.40                     
CRYST1  120.584  120.584  120.584  90.00  90.00  90.00 P 2 3        24          
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      0.008293  0.000000  0.000000        0.00000                         
SCALE2      0.000000  0.008293  0.000000        0.00000                         
SCALE3      0.000000  0.000000  0.008293        0.00000