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Database: PDB
Entry: 3NNA
LinkDB: 3NNA
Original site: 3NNA 
HEADER    RNA BINDING PROTEIN/RNA                 23-JUN-10   3NNA              
TITLE     CRYSTAL STRUCTURE OF CUGBP1 RRM1/2-RNA COMPLEX                        
COMPND    MOL_ID: 1;                                                            
COMPND   2 MOLECULE: CUGBP ELAV-LIKE FAMILY MEMBER 1;                           
COMPND   3 CHAIN: A;                                                            
COMPND   4 FRAGMENT: RRM1-RRM2 DOMAIN (UNP RESIDUES 14-187);                    
COMPND   5 SYNONYM: CELF-1, CUG-BP- AND ETR-3-LIKE FACTOR 1, BRUNO-LIKE PROTEIN 
COMPND   6 2, RNA-BINDING PROTEIN BRUNOL-2, CUG TRIPLET REPEAT RNA-BINDING      
COMPND   7 PROTEIN 1, CUG-BP1, DEADENYLATION FACTOR CUG-BP, 50 KDA NUCLEAR      
COMPND   8 POLYADENYLATED RNA-BINDING PROTEIN, EMBRYO DEADENYLATION ELEMENT-    
COMPND   9 BINDING PROTEIN HOMOLOG, EDEN-BP HOMOLOG;                            
COMPND  10 ENGINEERED: YES;                                                     
COMPND  11 MOL_ID: 2;                                                           
COMPND  12 MOLECULE: RNA (5'-R(*GP*UP*UP*GP*UP*UP*UP*UP*GP*UP*UP*U)-3');        
COMPND  13 CHAIN: B;                                                            
COMPND  14 ENGINEERED: YES                                                      
SOURCE    MOL_ID: 1;                                                            
SOURCE   2 ORGANISM_SCIENTIFIC: HOMO SAPIENS;                                   
SOURCE   3 ORGANISM_COMMON: HUMAN;                                              
SOURCE   4 ORGANISM_TAXID: 9606;                                                
SOURCE   5 GENE: BRUNOL2, CELF1, CUGBP, CUGBP1, NAB50;                          
SOURCE   6 EXPRESSION_SYSTEM: ESCHERICHIA COLI;                                 
SOURCE   7 EXPRESSION_SYSTEM_TAXID: 469008;                                     
SOURCE   8 EXPRESSION_SYSTEM_STRAIN: BL21(DE3)RIL;                              
SOURCE   9 MOL_ID: 2;                                                           
SOURCE  10 SYNTHETIC: YES;                                                      
SOURCE  11 ORGANISM_SCIENTIFIC: HOMO SAPIENS;                                   
SOURCE  12 ORGANISM_COMMON: HUMAN;                                              
SOURCE  13 ORGANISM_TAXID: 9606;                                                
SOURCE  14 OTHER_DETAILS: THIS SEQUENCE OCCURS NATURALLY IN HUMANS              
KEYWDS    RRM, RNA BINDING, RNA, RNA BINDING PROTEIN-RNA COMPLEX                
EXPDTA    X-RAY DIFFRACTION                                                     
AUTHOR    M.TEPLOVA,J.SONG,H.GAW,A.TEPLOV,D.J.PATEL                             
REVDAT   3   27-DEC-23 3NNA    1       DBREF  SEQADV LINK                       
REVDAT   2   08-OCT-14 3NNA    1       AUTHOR VERSN                             
REVDAT   1   27-OCT-10 3NNA    0                                                
JRNL        AUTH   M.TEPLOVA,J.SONG,H.Y.GAW,A.TEPLOV,D.J.PATEL                  
JRNL        TITL   STRUCTURAL INSIGHTS INTO RNA RECOGNITION BY THE              
JRNL        TITL 2 ALTERNATE-SPLICING REGULATOR CUG-BINDING PROTEIN 1.          
JRNL        REF    STRUCTURE                     V.  18  1364 2010              
JRNL        REFN                   ISSN 0969-2126                               
JRNL        PMID   20947024                                                     
JRNL        DOI    10.1016/J.STR.2010.06.018                                    
REMARK   2                                                                      
REMARK   2 RESOLUTION.    1.90 ANGSTROMS.                                       
REMARK   3                                                                      
REMARK   3 REFINEMENT.                                                          
REMARK   3   PROGRAM     : REFMAC 5.5.0066                                      
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) : 1.90                           
REMARK   3   RESOLUTION RANGE LOW  (ANGSTROMS) : 20.00                          
REMARK   3   DATA CUTOFF            (SIGMA(F)) : NULL                           
REMARK   3   COMPLETENESS FOR RANGE        (%) : 99.7                           
REMARK   3   NUMBER OF REFLECTIONS             : 16774                          
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) : 0.209                           
REMARK   3   R VALUE            (WORKING SET) : 0.207                           
REMARK   3   FREE R VALUE                     : 0.248                           
REMARK   3   FREE R VALUE TEST SET SIZE   (%) : 5.100                           
REMARK   3   FREE R VALUE TEST SET COUNT      : 897                             
REMARK   3                                                                      
REMARK   3  FIT IN THE HIGHEST RESOLUTION BIN.                                  
REMARK   3   TOTAL NUMBER OF BINS USED           : 20                           
REMARK   3   BIN RESOLUTION RANGE HIGH       (A) : 1.90                         
REMARK   3   BIN RESOLUTION RANGE LOW        (A) : 1.95                         
REMARK   3   REFLECTION IN BIN     (WORKING SET) : 1174                         
REMARK   3   BIN COMPLETENESS (WORKING+TEST) (%) : 97.56                        
REMARK   3   BIN R VALUE           (WORKING SET) : 0.2280                       
REMARK   3   BIN FREE R VALUE SET COUNT          : 63                           
REMARK   3   BIN FREE R VALUE                    : 0.2930                       
REMARK   3                                                                      
REMARK   3  NUMBER OF NON-HYDROGEN ATOMS USED IN REFINEMENT.                    
REMARK   3   PROTEIN ATOMS            : 1375                                    
REMARK   3   NUCLEIC ACID ATOMS       : 103                                     
REMARK   3   HETEROGEN ATOMS          : 0                                       
REMARK   3   SOLVENT ATOMS            : 91                                      
REMARK   3                                                                      
REMARK   3  B VALUES.                                                           
REMARK   3   FROM WILSON PLOT           (A**2) : NULL                           
REMARK   3   MEAN B VALUE      (OVERALL, A**2) : 30.59                          
REMARK   3   OVERALL ANISOTROPIC B VALUE.                                       
REMARK   3    B11 (A**2) : -0.85000                                             
REMARK   3    B22 (A**2) : -0.36000                                             
REMARK   3    B33 (A**2) : 1.21000                                              
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): 0.314         
REMARK   3   ESU BASED ON FREE R VALUE                       (A): 0.147         
REMARK   3   ESU BASED ON MAXIMUM LIKELIHOOD                 (A): 0.096         
REMARK   3   ESU FOR B VALUES BASED ON MAXIMUM LIKELIHOOD (A**2): 7.225         
REMARK   3                                                                      
REMARK   3 CORRELATION COEFFICIENTS.                                            
REMARK   3   CORRELATION COEFFICIENT FO-FC      : 0.940                         
REMARK   3   CORRELATION COEFFICIENT FO-FC FREE : 0.920                         
REMARK   3                                                                      
REMARK   3  RMS DEVIATIONS FROM IDEAL VALUES        COUNT    RMS    WEIGHT      
REMARK   3   BOND LENGTHS REFINED ATOMS        (A):  1515 ; 0.007 ; 0.022       
REMARK   3   BOND LENGTHS OTHERS               (A):  1313 ; 0.000 ; 0.020       
REMARK   3   BOND ANGLES REFINED ATOMS   (DEGREES):  2058 ; 1.268 ; 2.041       
REMARK   3   BOND ANGLES OTHERS          (DEGREES):  3077 ; 0.666 ; 3.000       
REMARK   3   TORSION ANGLES, PERIOD 1    (DEGREES):   174 ;10.911 ; 5.000       
REMARK   3   TORSION ANGLES, PERIOD 2    (DEGREES):    65 ;37.291 ;23.846       
REMARK   3   TORSION ANGLES, PERIOD 3    (DEGREES):   259 ;15.542 ;15.000       
REMARK   3   TORSION ANGLES, PERIOD 4    (DEGREES):    11 ;20.777 ;15.000       
REMARK   3   CHIRAL-CENTER RESTRAINTS       (A**3):   228 ; 0.092 ; 0.200       
REMARK   3   GENERAL PLANES REFINED ATOMS      (A):  1601 ; 0.004 ; 0.021       
REMARK   3   GENERAL PLANES OTHERS             (A):   299 ; 0.000 ; 0.020       
REMARK   3   NON-BONDED CONTACTS REFINED ATOMS (A):  NULL ;  NULL ;  NULL       
REMARK   3   NON-BONDED CONTACTS OTHERS        (A):  NULL ;  NULL ;  NULL       
REMARK   3   NON-BONDED TORSION REFINED ATOMS  (A):  NULL ;  NULL ;  NULL       
REMARK   3   NON-BONDED TORSION OTHERS         (A):  NULL ;  NULL ;  NULL       
REMARK   3   H-BOND (X...Y) REFINED ATOMS      (A):  NULL ;  NULL ;  NULL       
REMARK   3   H-BOND (X...Y) OTHERS             (A):  NULL ;  NULL ;  NULL       
REMARK   3   POTENTIAL METAL-ION REFINED ATOMS (A):  NULL ;  NULL ;  NULL       
REMARK   3   POTENTIAL METAL-ION OTHERS        (A):  NULL ;  NULL ;  NULL       
REMARK   3   SYMMETRY VDW REFINED ATOMS        (A):  NULL ;  NULL ;  NULL       
REMARK   3   SYMMETRY VDW OTHERS               (A):  NULL ;  NULL ;  NULL       
REMARK   3   SYMMETRY H-BOND REFINED ATOMS     (A):  NULL ;  NULL ;  NULL       
REMARK   3   SYMMETRY H-BOND OTHERS            (A):  NULL ;  NULL ;  NULL       
REMARK   3   SYMMETRY METAL-ION REFINED ATOMS  (A):  NULL ;  NULL ;  NULL       
REMARK   3   SYMMETRY METAL-ION OTHERS         (A):  NULL ;  NULL ;  NULL       
REMARK   3                                                                      
REMARK   3  ISOTROPIC THERMAL FACTOR RESTRAINTS.     COUNT   RMS    WEIGHT      
REMARK   3   MAIN-CHAIN BOND REFINED ATOMS  (A**2):   872 ; 0.922 ; 1.500       
REMARK   3   MAIN-CHAIN BOND OTHER ATOMS    (A**2):   354 ; 0.307 ; 1.500       
REMARK   3   MAIN-CHAIN ANGLE REFINED ATOMS (A**2):  1405 ; 1.615 ; 2.000       
REMARK   3   MAIN-CHAIN ANGLE OTHER ATOMS   (A**2):  NULL ;  NULL ;  NULL       
REMARK   3   SIDE-CHAIN BOND REFINED ATOMS  (A**2):   643 ; 2.509 ; 3.000       
REMARK   3   SIDE-CHAIN BOND OTHER ATOMS    (A**2):  NULL ;  NULL ;  NULL       
REMARK   3   SIDE-CHAIN ANGLE REFINED ATOMS (A**2):   653 ; 3.824 ; 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):  2828 ; 1.205 ; 3.000       
REMARK   3   SPHERICITY; FREE ATOMS         (A**2):    98 ; 5.218 ; 3.000       
REMARK   3   SPHERICITY; BONDED ATOMS       (A**2):  2792 ; 1.887 ; 3.000       
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  : NULL                                       
REMARK   3                                                                      
REMARK   3  BULK SOLVENT MODELLING.                                             
REMARK   3   METHOD USED : MASK                                                 
REMARK   3   PARAMETERS FOR MASK CALCULATION                                    
REMARK   3   VDW PROBE RADIUS   : 1.20                                          
REMARK   3   ION PROBE RADIUS   : 0.80                                          
REMARK   3   SHRINKAGE RADIUS   : 0.80                                          
REMARK   3                                                                      
REMARK   3  OTHER REFINEMENT REMARKS: HYDROGENS HAVE BEEN ADDED IN THE RIDING   
REMARK   3  POSITIONS                                                           
REMARK   4                                                                      
REMARK   4 3NNA COMPLIES WITH FORMAT V. 3.30, 13-JUL-11                         
REMARK 100                                                                      
REMARK 100 THIS ENTRY HAS BEEN PROCESSED BY RCSB ON 30-JUN-10.                  
REMARK 100 THE DEPOSITION ID IS D_1000060040.                                   
REMARK 200                                                                      
REMARK 200 EXPERIMENTAL DETAILS                                                 
REMARK 200  EXPERIMENT TYPE                : X-RAY DIFFRACTION                  
REMARK 200  DATE OF DATA COLLECTION        : 30-SEP-08                          
REMARK 200  TEMPERATURE           (KELVIN) : 100                                
REMARK 200  PH                             : 8.5                                
REMARK 200  NUMBER OF CRYSTALS USED        : 1                                  
REMARK 200                                                                      
REMARK 200  SYNCHROTRON              (Y/N) : Y                                  
REMARK 200  RADIATION SOURCE               : NSLS                               
REMARK 200  BEAMLINE                       : X29A                               
REMARK 200  X-RAY GENERATOR MODEL          : NULL                               
REMARK 200  MONOCHROMATIC OR LAUE    (M/L) : M                                  
REMARK 200  WAVELENGTH OR RANGE        (A) : 0.97920, 0.97880, 0.96360          
REMARK 200  MONOCHROMATOR                  : NULL                               
REMARK 200  OPTICS                         : NULL                               
REMARK 200                                                                      
REMARK 200  DETECTOR TYPE                  : CCD                                
REMARK 200  DETECTOR MANUFACTURER          : ADSC QUANTUM 315                   
REMARK 200  INTENSITY-INTEGRATION SOFTWARE : HKL-2000                           
REMARK 200  DATA SCALING SOFTWARE          : HKL-2000                           
REMARK 200                                                                      
REMARK 200  NUMBER OF UNIQUE REFLECTIONS   : 33331                              
REMARK 200  RESOLUTION RANGE HIGH      (A) : 1.899                              
REMARK 200  RESOLUTION RANGE LOW       (A) : 50.000                             
REMARK 200  REJECTION CRITERIA  (SIGMA(I)) : 2.000                              
REMARK 200                                                                      
REMARK 200 OVERALL.                                                             
REMARK 200  COMPLETENESS FOR RANGE     (%) : 99.8                               
REMARK 200  DATA REDUNDANCY                : 3.800                              
REMARK 200  R MERGE                    (I) : 0.04200                            
REMARK 200  R SYM                      (I) : NULL                               
REMARK 200  <I/SIGMA(I)> FOR THE DATA SET  : 36.3000                            
REMARK 200                                                                      
REMARK 200 IN THE HIGHEST RESOLUTION SHELL.                                     
REMARK 200  HIGHEST RESOLUTION SHELL, RANGE HIGH (A) : 1.90                     
REMARK 200  HIGHEST RESOLUTION SHELL, RANGE LOW  (A) : 1.97                     
REMARK 200  COMPLETENESS FOR SHELL     (%) : 99.9                               
REMARK 200  DATA REDUNDANCY IN SHELL       : 3.80                               
REMARK 200  R MERGE FOR SHELL          (I) : 0.36600                            
REMARK 200  R SYM FOR SHELL            (I) : NULL                               
REMARK 200  <I/SIGMA(I)> FOR SHELL         : 3.700                              
REMARK 200                                                                      
REMARK 200 DIFFRACTION PROTOCOL: MAD                                            
REMARK 200 METHOD USED TO DETERMINE THE STRUCTURE: MAD                          
REMARK 200 SOFTWARE USED: SHARP                                                 
REMARK 200 STARTING MODEL: NULL                                                 
REMARK 200                                                                      
REMARK 200 REMARK: NULL                                                         
REMARK 280                                                                      
REMARK 280 CRYSTAL                                                              
REMARK 280 SOLVENT CONTENT, VS   (%): 46.03                                     
REMARK 280 MATTHEWS COEFFICIENT, VM (ANGSTROMS**3/DA): 2.28                     
REMARK 280                                                                      
REMARK 280 CRYSTALLIZATION CONDITIONS: 0.2 M AMMONIUM ACETATE, 45% MPD, 0.1 M   
REMARK 280  TRIS PH 8.5, VAPOR DIFFUSION, HANGING DROP, TEMPERATURE 277K        
REMARK 290                                                                      
REMARK 290 CRYSTALLOGRAPHIC SYMMETRY                                            
REMARK 290 SYMMETRY OPERATORS FOR SPACE GROUP: I 2 2 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   -X,Y,-Z                                                 
REMARK 290       4555   X,-Y,-Z                                                 
REMARK 290       5555   X+1/2,Y+1/2,Z+1/2                                       
REMARK 290       6555   -X+1/2,-Y+1/2,Z+1/2                                     
REMARK 290       7555   -X+1/2,Y+1/2,-Z+1/2                                     
REMARK 290       8555   X+1/2,-Y+1/2,-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 -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  1.000000  0.000000  0.000000       23.68350            
REMARK 290   SMTRY2   5  0.000000  1.000000  0.000000       35.03050            
REMARK 290   SMTRY3   5  0.000000  0.000000  1.000000       65.85300            
REMARK 290   SMTRY1   6 -1.000000  0.000000  0.000000       23.68350            
REMARK 290   SMTRY2   6  0.000000 -1.000000  0.000000       35.03050            
REMARK 290   SMTRY3   6  0.000000  0.000000  1.000000       65.85300            
REMARK 290   SMTRY1   7 -1.000000  0.000000  0.000000       23.68350            
REMARK 290   SMTRY2   7  0.000000  1.000000  0.000000       35.03050            
REMARK 290   SMTRY3   7  0.000000  0.000000 -1.000000       65.85300            
REMARK 290   SMTRY1   8  1.000000  0.000000  0.000000       23.68350            
REMARK 290   SMTRY2   8  0.000000 -1.000000  0.000000       35.03050            
REMARK 290   SMTRY3   8  0.000000  0.000000 -1.000000       65.85300            
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: DIMERIC                           
REMARK 350 SOFTWARE DETERMINED QUATERNARY STRUCTURE: DIMERIC                    
REMARK 350 SOFTWARE USED: PISA                                                  
REMARK 350 TOTAL BURIED SURFACE AREA: 1110 ANGSTROM**2                          
REMARK 350 SURFACE AREA OF THE COMPLEX: 10990 ANGSTROM**2                       
REMARK 350 CHANGE IN SOLVENT FREE ENERGY: -14.0 KCAL/MOL                        
REMARK 350 APPLY THE FOLLOWING TO CHAINS: A, B                                  
REMARK 350   BIOMT1   1  1.000000  0.000000  0.000000        0.00000            
REMARK 350   BIOMT2   1  0.000000  1.000000  0.000000        0.00000            
REMARK 350   BIOMT3   1  0.000000  0.000000  1.000000        0.00000            
REMARK 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      HOH B  12  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       G B     0                                                      
REMARK 465       U B     6                                                      
REMARK 465       U B     7                                                      
REMARK 465       G B     8                                                      
REMARK 465       U B     9                                                      
REMARK 465       U B    10                                                      
REMARK 465       U B    11                                                      
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    GLU A  44      140.27   -177.03                                   
REMARK 500    ASN A 102      -81.61   -111.81                                   
REMARK 500                                                                      
REMARK 500 REMARK: NULL                                                         
REMARK 900                                                                      
REMARK 900 RELATED ENTRIES                                                      
REMARK 900 RELATED ID: 3NMR   RELATED DB: PDB                                   
REMARK 900 THE SAME PROTEIN RRM1-RRM2 DOMAIN COMPLEXED WITH GUUGUUUUGUUU.       
REMARK 900 RELATED ID: 3NNC   RELATED DB: PDB                                   
REMARK 900 THE SAME PROTEIN RRM1-RRM2 DOMAIN COMPLEXED WITH UGUGUGUUGUGUG.      
REMARK 900 RELATED ID: 3NNH   RELATED DB: PDB                                   
REMARK 900 THE SAME PROTEIN RRM1 DOMAIN COMPLEXED WITH GUUGUUUUGUUU.            
DBREF  3NNA A   14   187  UNP    Q92879   CELF1_HUMAN     14    187             
DBREF  3NNA B    0    11  PDB    3NNA     3NNA             0     11             
SEQADV 3NNA SER A   13  UNP  Q92879              EXPRESSION TAG                 
SEQRES   1 A  175  SER ASP ALA ILE LYS MSE PHE VAL GLY GLN VAL PRO ARG          
SEQRES   2 A  175  THR TRP SER GLU LYS ASP LEU ARG GLU LEU PHE GLU GLN          
SEQRES   3 A  175  TYR GLY ALA VAL TYR GLU ILE ASN VAL LEU ARG ASP ARG          
SEQRES   4 A  175  SER GLN ASN PRO PRO GLN SER LYS GLY CYS CYS PHE VAL          
SEQRES   5 A  175  THR PHE TYR THR ARG LYS ALA ALA LEU GLU ALA GLN ASN          
SEQRES   6 A  175  ALA LEU HIS ASN MSE LYS VAL LEU PRO GLY MSE HIS HIS          
SEQRES   7 A  175  PRO ILE GLN MSE LYS PRO ALA ASP SER GLU LYS ASN ASN          
SEQRES   8 A  175  ALA VAL GLU ASP ARG LYS LEU PHE ILE GLY MSE ILE SER          
SEQRES   9 A  175  LYS LYS CYS THR GLU ASN ASP ILE ARG VAL MSE PHE SER          
SEQRES  10 A  175  SER PHE GLY GLN ILE GLU GLU CYS ARG ILE LEU ARG GLY          
SEQRES  11 A  175  PRO ASP GLY LEU SER ARG GLY CYS ALA PHE VAL THR PHE          
SEQRES  12 A  175  THR THR ARG ALA MSE ALA GLN THR ALA ILE LYS ALA MSE          
SEQRES  13 A  175  HIS GLN ALA GLN THR MSE GLU GLY CYS SER SER PRO MSE          
SEQRES  14 A  175  VAL VAL LYS PHE ALA ASP                                      
SEQRES   1 B   12    G   U   U   G   U   U   U   U   G   U   U   U              
MODRES 3NNA MSE A   18  MET  SELENOMETHIONINE                                   
MODRES 3NNA MSE A   82  MET  SELENOMETHIONINE                                   
MODRES 3NNA MSE A   88  MET  SELENOMETHIONINE                                   
MODRES 3NNA MSE A   94  MET  SELENOMETHIONINE                                   
MODRES 3NNA MSE A  114  MET  SELENOMETHIONINE                                   
MODRES 3NNA MSE A  127  MET  SELENOMETHIONINE                                   
MODRES 3NNA MSE A  160  MET  SELENOMETHIONINE                                   
MODRES 3NNA MSE A  168  MET  SELENOMETHIONINE                                   
MODRES 3NNA MSE A  174  MET  SELENOMETHIONINE                                   
MODRES 3NNA MSE A  181  MET  SELENOMETHIONINE                                   
HET    MSE  A  18       8                                                       
HET    MSE  A  82       8                                                       
HET    MSE  A  88       8                                                       
HET    MSE  A  94       8                                                       
HET    MSE  A 114       8                                                       
HET    MSE  A 127       8                                                       
HET    MSE  A 160       8                                                       
HET    MSE  A 168       8                                                       
HET    MSE  A 174       8                                                       
HET    MSE  A 181       8                                                       
HETNAM     MSE SELENOMETHIONINE                                                 
FORMUL   1  MSE    10(C5 H11 N O2 SE)                                           
FORMUL   3  HOH   *91(H2 O)                                                     
HELIX    1   1 SER A   28  GLU A   37  1                                  10    
HELIX    2   2 THR A   68  HIS A   80  1                                  13    
HELIX    3   3 ASP A   98  LYS A  101  5                                   4    
HELIX    4   4 ALA A  104  ASP A  107  5                                   4    
HELIX    5   5 THR A  120  SER A  129  1                                  10    
HELIX    6   6 SER A  130  GLY A  132  5                                   3    
HELIX    7   7 THR A  157  HIS A  169  1                                  13    
SHEET    1   A 4 VAL A  42  ASP A  50  0                                        
SHEET    2   A 4 GLN A  57  PHE A  66 -1  O  THR A  65   N  TYR A  43           
SHEET    3   A 4 ILE A  16  GLY A  21 -1  N  MSE A  18   O  VAL A  64           
SHEET    4   A 4 GLN A  93  PRO A  96 -1  O  LYS A  95   N  PHE A  19           
SHEET    1   B 4 ILE A 134  ARG A 141  0                                        
SHEET    2   B 4 SER A 147  PHE A 155 -1  O  THR A 154   N  GLU A 136           
SHEET    3   B 4 LYS A 109  GLY A 113 -1  N  LEU A 110   O  VAL A 153           
SHEET    4   B 4 VAL A 182  PHE A 185 -1  O  LYS A 184   N  PHE A 111           
LINK         C   LYS A  17                 N   MSE A  18     1555   1555  1.33  
LINK         C   MSE A  18                 N   PHE A  19     1555   1555  1.33  
LINK         C   ASN A  81                 N   MSE A  82     1555   1555  1.33  
LINK         C   MSE A  82                 N   LYS A  83     1555   1555  1.33  
LINK         C   GLY A  87                 N   MSE A  88     1555   1555  1.33  
LINK         C   MSE A  88                 N   HIS A  89     1555   1555  1.33  
LINK         C   GLN A  93                 N   MSE A  94     1555   1555  1.32  
LINK         C   MSE A  94                 N   LYS A  95     1555   1555  1.33  
LINK         C   GLY A 113                 N   MSE A 114     1555   1555  1.33  
LINK         C   MSE A 114                 N   ILE A 115     1555   1555  1.33  
LINK         C   VAL A 126                 N   MSE A 127     1555   1555  1.33  
LINK         C   MSE A 127                 N   PHE A 128     1555   1555  1.33  
LINK         C   ALA A 159                 N   MSE A 160     1555   1555  1.33  
LINK         C   MSE A 160                 N   ALA A 161     1555   1555  1.33  
LINK         C   ALA A 167                 N   MSE A 168     1555   1555  1.33  
LINK         C   MSE A 168                 N   HIS A 169     1555   1555  1.33  
LINK         C   THR A 173                 N   MSE A 174     1555   1555  1.32  
LINK         C   MSE A 174                 N   GLU A 175     1555   1555  1.33  
LINK         C   PRO A 180                 N   MSE A 181     1555   1555  1.33  
LINK         C   MSE A 181                 N   VAL A 182     1555   1555  1.33  
CISPEP   1 ASN A   54    PRO A   55          0        -0.35                     
CRYST1   47.367   70.061  131.706  90.00  90.00  90.00 I 2 2 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      0.021112  0.000000  0.000000        0.00000                         
SCALE2      0.000000  0.014273  0.000000        0.00000                         
SCALE3      0.000000  0.000000  0.007593        0.00000                         
(ATOM LINES ARE NOT SHOWN.)
END                                                                             
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