HEADER    RNA BINDING PROTEIN                     02-JAN-06   2FJJ              
OBSLTE     03-JUN-08 2FJJ      2K3K                                             
TITLE     SOLUTION STRUCTURE OF DROSOPHILA MELANOGASTER SNF RBD1                
COMPND    MOL_ID: 1;                                                            
COMPND   2 MOLECULE: U1 SMALL NUCLEAR RIBONUCLEOPROTEIN A;                      
COMPND   3 CHAIN: A;                                                            
COMPND   4 FRAGMENT: SNF RBD1;                                                  
COMPND   5 SYNONYM: SNF, U1 SNRNP PROTEIN A, U1-A, SEX DETERMINATION            
COMPND   6 PROTEIN SNF;                                                         
COMPND   7 ENGINEERED: YES                                                      
SOURCE    MOL_ID: 1;                                                            
SOURCE   2 ORGANISM_SCIENTIFIC: DROSOPHILA MELANOGASTER;                        
SOURCE   3 ORGANISM_COMMON: FRUIT FLY;                                          
SOURCE   4 GENUS: DROSOPHILA;                                                   
SOURCE   5 EXPRESSION_SYSTEM: ESCHERICHIA COLI;                                 
SOURCE   6 EXPRESSION_SYSTEM_GENUS: ESCHERICHIA;                                
SOURCE   7 EXPRESSION_SYSTEM_STRAIN: ROSETTA(DE3)PLYSS;                         
SOURCE   8 EXPRESSION_SYSTEM_VECTOR_TYPE: PLASMID;                              
SOURCE   9 EXPRESSION_SYSTEM_PLASMID: PET-21D(+)                                
KEYWDS    SNF RBD1, RNA BINDING, RNA SPLICING, SOLUTION STRUCTURE,              
KEYWDS   2 RNA BINDING PROTEIN                                                  
EXPDTA    NMR, 20 STRUCTURES                                                    
AUTHOR    C.LIU,G.CUI,C.JIN,B.XIA                                               
REVDAT   2   03-JUN-08 2FJJ    1       OBSLTE                                   
REVDAT   1   13-FEB-07 2FJJ    0                                                
JRNL        AUTH   C.LIU,G.CUI,C.JIN,B.XIA                                      
JRNL        TITL   STRUCTURAL AND FUNCTIONAL STUDIES OF RNA SPLICING            
JRNL        TITL 2 FACTOR SANS-FILLE BY MULTIDIMENTIONAL NMR                    
JRNL        TITL 3 SPECTROSCOPY                                                 
JRNL        REF    TO BE PUBLISHED                                              
JRNL        REFN                                                                
REMARK   1                                                                      
REMARK   2                                                                      
REMARK   2 RESOLUTION. NOT APPLICABLE.                                          
REMARK   3                                                                      
REMARK   3 REFINEMENT.                                                          
REMARK   3   PROGRAM     : AMBER 7.0                                            
REMARK   3   AUTHORS     : DAVID CASE                                           
REMARK   3                                                                      
REMARK   3  OTHER REFINEMENT REMARKS: NULL                                      
REMARK   4                                                                      
REMARK   4 2FJJ COMPLIES WITH FORMAT V. 3.1, 01-AUG-2007                        
REMARK 100                                                                      
REMARK 100 THIS ENTRY HAS BEEN PROCESSED BY PDBJ.                               
REMARK 100 THE RCSB ID CODE IS RCSB035951.                                      
REMARK 210                                                                      
REMARK 210 EXPERIMENTAL DETAILS                                                 
REMARK 210  EXPERIMENT TYPE                : NMR                                
REMARK 210  TEMPERATURE           (KELVIN) : 298                                
REMARK 210  PH                             : 7.0                                
REMARK 210  IONIC STRENGTH                 : 250MM                              
REMARK 210  PRESSURE                       : AMBIENT                            
REMARK 210  SAMPLE CONTENTS                : 0.4MM SNF RBD1 U-15N,13C;          
REMARK 210                                   50MM PHOSPHATE BUFFER NA; 50MM     
REMARK 210                                   NACL; 90% H2O, 10% D2O             
REMARK 210                                                                      
REMARK 210  NMR EXPERIMENTS CONDUCTED      : 3D_13C-SEPARATED_NOESY, 3D_        
REMARK 210                                   15N-SEPARATED_NOESY                
REMARK 210  SPECTROMETER FIELD STRENGTH    : 600 MHZ                            
REMARK 210  SPECTROMETER MODEL             : AVANCE                             
REMARK 210  SPECTROMETER MANUFACTURER      : BRUKER                             
REMARK 210                                                                      
REMARK 210  STRUCTURE DETERMINATION.                                            
REMARK 210   SOFTWARE USED                 : XWINNMR 3.5, NMRPIPE 2.1,          
REMARK 210                                   NMRVIEW 5, CYANA 1.0.6             
REMARK 210   METHOD USED                   : SIMULATED ANNEALING MOLECULAR      
REMARK 210                                   DYNAMICS                           
REMARK 210                                                                      
REMARK 210 CONFORMERS, NUMBER CALCULATED   : 200                                
REMARK 210 CONFORMERS, NUMBER SUBMITTED    : 20                                 
REMARK 210 CONFORMERS, SELECTION CRITERIA  : STRUCTURES WITH THE LOWEST         
REMARK 210                                   ENERGY                             
REMARK 210                                                                      
REMARK 210 BEST REPRESENTATIVE CONFORMER IN THIS ENSEMBLE : 1                   
REMARK 210                                                                      
REMARK 210 REMARK: NULL                                                         
REMARK 215                                                                      
REMARK 215 NMR STUDY                                                            
REMARK 215 THE COORDINATES IN THIS ENTRY WERE GENERATED FROM SOLUTION           
REMARK 215 NMR DATA.  PROTEIN DATA BANK CONVENTIONS REQUIRE THAT                
REMARK 215 CRYST1 AND SCALE RECORDS BE INCLUDED, BUT THE VALUES ON              
REMARK 215 THESE RECORDS ARE MEANINGLESS.                                       
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 NUCELIC ACID: CLOWNEY ET AL 1996                     
REMARK 500                                                                      
REMARK 500  M RES CSSEQI ATM1   ATM2   ATM3                                     
REMARK 500 11 ARG A 101   NE  -  CZ  -  NH2 ANGL. DEV. =  -3.3 DEGREES          
REMARK 500 12 ARG A 101   NE  -  CZ  -  NH2 ANGL. DEV. =  -3.2 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  1 ASN A  13       51.63   -142.98                                   
REMARK 500  1 GLU A  16       42.24    -70.33                                   
REMARK 500  1 LYS A  17      -14.67   -149.02                                   
REMARK 500  1 ILE A  30      -38.72   -130.90                                   
REMARK 500  1 LYS A  47        2.08    -65.35                                   
REMARK 500  1 TYR A  75     -151.01   -144.05                                   
REMARK 500  1 ASP A  76       26.67    -68.17                                   
REMARK 500  1 SER A  86       66.47     37.30                                   
REMARK 500  1 THR A  97       26.49    -70.99                                   
REMARK 500  1 LYS A  99       84.59   -162.25                                   
REMARK 500  2 TYR A  75      -90.32   -153.34                                   
REMARK 500  2 ASP A  87      152.04    -49.90                                   
REMARK 500  2 SER A  88      -39.84     65.50                                   
REMARK 500  2 GLU A 100       17.38     57.33                                   
REMARK 500  2 LYS A 103       35.11   -152.03                                   
REMARK 500  3 GLU A  16       20.90    -67.41                                   
REMARK 500  3 SER A  32      -37.38     67.83                                   
REMARK 500  3 TYR A  75     -154.80   -145.57                                   
REMARK 500  3 ASP A  76       27.50    -67.57                                   
REMARK 500  3 THR A  97       48.60   -142.82                                   
REMARK 500  3 LYS A  99       -1.62   -143.85                                   
REMARK 500  4 PHE A  74      -47.66   -140.30                                   
REMARK 500  5 GLU A   2     -172.99     56.70                                   
REMARK 500  5 ASN A  13       47.24   -141.84                                   
REMARK 500  5 GLN A  36      116.32     61.70                                   
REMARK 500  5 TYR A  75       79.57   -151.35                                   
REMARK 500  6 ASN A  13       50.05   -140.40                                   
REMARK 500  6 GLU A  16       16.47    -62.46                                   
REMARK 500  6 ILE A  30      -50.67   -128.12                                   
REMARK 500  6 TYR A  75     -151.51   -139.52                                   
REMARK 500  6 ASP A  76       -5.29    -59.78                                   
REMARK 500  6 SER A  86     -167.50     54.50                                   
REMARK 500  6 ASP A  87      -60.45   -144.58                                   
REMARK 500  6 THR A  97        4.24    -65.66                                   
REMARK 500  6 ARG A 101       90.82     66.17                                   
REMARK 500  7 ASN A  13       58.02   -140.29                                   
REMARK 500  7 GLU A  16       45.85    -58.14                                   
REMARK 500  7 LYS A  17      -20.09   -156.93                                   
REMARK 500  7 TYR A  75     -159.01   -142.30                                   
REMARK 500  7 ASP A  76       33.46    -68.58                                   
REMARK 500  7 GLU A 100      137.40     64.62                                   
REMARK 500  7 PRO A 102       96.69    -64.94                                   
REMARK 500  8 ILE A  30      -37.57   -131.99                                   
REMARK 500  8 PHE A  74      -72.67   -122.12                                   
REMARK 500  8 ASP A  76       16.00     55.86                                   
REMARK 500  8 SER A  86     -174.96     59.41                                   
REMARK 500  8 SER A  88      -44.36     63.81                                   
REMARK 500  9 ASN A  13       50.41   -146.71                                   
REMARK 500  9 LEU A  46      -63.56    178.49                                   
REMARK 500  9 TYR A  75     -159.28   -142.43                                   
REMARK 500  9 ASP A  76       30.62    -68.60                                   
REMARK 500  9 THR A  97       22.30   -141.70                                   
REMARK 500 10 ASN A  12       15.22   -144.91                                   
REMARK 500 10 GLN A  36      110.93     48.02                                   
REMARK 500 10 LYS A  47        6.34    -68.68                                   
REMARK 500 10 TYR A  75     -158.75   -138.41                                   
REMARK 500 10 ASP A  76       27.83    -68.63                                   
REMARK 500 10 THR A  97        0.34    -66.53                                   
REMARK 500 10 LYS A 103       24.05    -72.64                                   
REMARK 500 11 MET A   3       43.39    -83.79                                   
REMARK 500 11 ASN A  13       54.64   -142.94                                   
REMARK 500 11 PHE A  74      -53.15   -136.41                                   
REMARK 500 11 ASP A  76      -44.22     64.60                                   
REMARK 500 11 LYS A  85     -161.99   -100.24                                   
REMARK 500 11 SER A  88      -41.01     65.88                                   
REMARK 500 11 PHE A  98      -46.11   -150.94                                   
REMARK 500 11 LYS A 103       34.25   -147.12                                   
REMARK 500 12 PRO A   5      107.21    -50.29                                   
REMARK 500 12 LYS A  47        1.68    -64.29                                   
REMARK 500 12 ASP A  76       30.78    -68.97                                   
REMARK 500 12 PHE A  98       12.82     56.62                                   
REMARK 500 12 PRO A 102       15.73    -66.96                                   
REMARK 500 13 GLU A   2       74.69   -119.33                                   
REMARK 500 13 ASN A  13       58.91   -143.50                                   
REMARK 500 13 GLU A  16       16.02    -64.96                                   
REMARK 500 13 GLN A  36      105.06     54.92                                   
REMARK 500 13 TYR A  75     -157.40   -145.16                                   
REMARK 500 13 ASP A  76       30.80    -67.92                                   
REMARK 500 13 LYS A  85       40.84    -86.59                                   
REMARK 500 13 SER A  86     -175.95     60.76                                   
REMARK 500 13 ASP A  89      -39.49     64.69                                   
REMARK 500 14 ASN A  13       55.00   -142.28                                   
REMARK 500 14 ILE A  30      -50.54   -133.53                                   
REMARK 500 14 GLN A  36      102.78     34.63                                   
REMARK 500 14 ASP A  76       33.46    -68.77                                   
REMARK 500 15 GLU A  16       16.88    -63.66                                   
REMARK 500 15 TYR A  75     -154.06   -142.82                                   
REMARK 500 15 ASP A  76       24.09    -67.73                                   
REMARK 500 15 SER A  86     -176.31     57.76                                   
REMARK 500 15 SER A  88      -43.69     65.22                                   
REMARK 500 15 PHE A  98      -22.48     58.20                                   
REMARK 500 15 LYS A 103       40.13    -83.36                                   
REMARK 500 16 GLU A   2      -37.28   -149.18                                   
REMARK 500 16 MET A   3       49.30    -77.86                                   
REMARK 500 16 ASN A   6       -3.61   -151.70                                   
REMARK 500 16 GLN A   7      -21.72     65.30                                   
REMARK 500 16 SER A  32      -51.11     69.84                                   
REMARK 500 16 TYR A  75     -157.65   -142.45                                   
REMARK 500 16 ASP A  76       28.97    -68.19                                   
REMARK 500 16 THR A  97     -138.10     47.06                                   
REMARK 500 17 ASN A  13       54.74   -142.61                                   
REMARK 500 17 GLU A  16       45.79    -73.67                                   
REMARK 500 17 LYS A  17      -19.22   -160.11                                   
REMARK 500 17 GLN A  36      103.54     56.62                                   
REMARK 500 17 TYR A  75     -152.89   -141.22                                   
REMARK 500 17 ASP A  76       27.89    -68.83                                   
REMARK 500 17 THR A  97      135.55     68.49                                   
REMARK 500 17 GLU A 100      177.85     63.56                                   
REMARK 500 17 PRO A 102      -89.87    -75.90                                   
REMARK 500 18 GLU A   2      -62.11   -149.15                                   
REMARK 500 18 ASN A  13       44.21   -141.78                                   
REMARK 500 18 GLN A  36      102.90     45.41                                   
REMARK 500 18 LYS A  47        2.24    -67.80                                   
REMARK 500 18 PHE A  74      -47.85   -151.30                                   
REMARK 500 18 TYR A  75     -141.28   -144.52                                   
REMARK 500 18 LYS A 103       33.18   -146.27                                   
REMARK 500 19 ILE A  30      -38.77   -131.94                                   
REMARK 500 19 TYR A  75     -157.63   -144.25                                   
REMARK 500 19 ASP A  76       25.03    -68.00                                   
REMARK 500 19 ARG A 101       61.35     32.69                                   
REMARK 500 19 PRO A 102       43.33    -77.87                                   
REMARK 500 20 PRO A   5      108.03    -42.50                                   
REMARK 500 20 ASN A  13       56.45   -140.41                                   
REMARK 500 20 ILE A  30      -46.46   -130.89                                   
REMARK 500 20 LEU A  46      -53.54    126.08                                   
REMARK 500 20 ASP A  76      -40.45     64.30                                   
REMARK 500 20 THR A  97       37.90    -66.41                                   
REMARK 500 20 LYS A  99      -38.02   -159.45                                   
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 12 TYR A  10         0.08    SIDE_CHAIN                              
REMARK 500 17 ARG A  49         0.11    SIDE_CHAIN                              
REMARK 500                                                                      
REMARK 500 REMARK: NULL                                                         
DBREF  2FJJ A    1   104  UNP    P43332   SNRPA_DROME      1    104             
SEQRES   1 A  104  MET GLU MET LEU PRO ASN GLN THR ILE TYR ILE ASN ASN          
SEQRES   2 A  104  LEU ASN GLU LYS ILE LYS LYS GLU GLU LEU LYS LYS SER          
SEQRES   3 A  104  LEU TYR ALA ILE PHE SER GLN PHE GLY GLN ILE LEU ASP          
SEQRES   4 A  104  ILE VAL ALA LEU LYS THR LEU LYS MET ARG GLY GLN ALA          
SEQRES   5 A  104  PHE VAL ILE PHE LYS GLU ILE GLY SER ALA SER ASN ALA          
SEQRES   6 A  104  LEU ARG THR MET GLN GLY PHE PRO PHE TYR ASP LYS PRO          
SEQRES   7 A  104  MET GLN ILE ALA TYR SER LYS SER ASP SER ASP ILE VAL          
SEQRES   8 A  104  ALA LYS ILE LYS GLY THR PHE LYS GLU ARG PRO LYS LYS          
HELIX    1   1 LYS A   19  PHE A   31  1                                  13    
HELIX    2   2 SER A   32  GLY A   35  5                                   4    
HELIX    3   3 THR A   45  GLY A   50  1                                   6    
HELIX    4   4 GLU A   58  GLN A   70  1                                  13    
HELIX    5   5 SER A   86  GLY A   96  1                                  11    
SHEET    1   A 4 ILE A  37  VAL A  41  0                                        
SHEET    2   A 4 ALA A  52  PHE A  56 -1  O  ILE A  55   N  ASP A  39           
SHEET    3   A 4 THR A   8  ILE A  11 -1  N  ILE A   9   O  VAL A  54           
SHEET    4   A 4 ILE A  81  TYR A  83 -1  O  ALA A  82   N  TYR A  10           
CRYST1    1.000    1.000    1.000  90.00  90.00  90.00 P 1           1          
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      1.000000  0.000000  0.000000        0.00000                         
SCALE2      0.000000  1.000000  0.000000        0.00000                         
SCALE3      0.000000  0.000000  1.000000        0.00000                         
MODEL        1