PDB Short entry for 2U1A
HEADER    NUCLEAR PROTEIN                         26-MAR-97   2U1A              
TITLE     RNA BINDING DOMAIN 2 OF HUMAN U1A PROTEIN, NMR, 20 STRUCTURES         
COMPND    MOL_ID: 1;                                                            
COMPND   2 MOLECULE: U1 SMALL NUCLEAR RIBONUCLEOPROTEIN A;                      
COMPND   3 CHAIN: A;                                                            
COMPND   4 FRAGMENT: RNA BINDING DOMAIN 2, RBD2;                                
COMPND   5 SYNONYM: U1 SNRNP A PROTEIN;                                         
COMPND   6 ENGINEERED: YES;                                                     
COMPND   7 MUTATION: YES                                                        
SOURCE    MOL_ID: 1;                                                            
SOURCE   2 ORGANISM_SCIENTIFIC: HOMO SAPIENS;                                   
SOURCE   3 ORGANISM_COMMON: HUMAN;                                              
SOURCE   4 ORGANISM_TAXID: 9606;                                                
SOURCE   5 GENE: PHA;                                                           
SOURCE   6 EXPRESSION_SYSTEM: ESCHERICHIA COLI STR. K-12 SUBSTR. MG1655;        
SOURCE   7 EXPRESSION_SYSTEM_TAXID: 511145;                                     
SOURCE   8 EXPRESSION_SYSTEM_STRAIN: MG1655;                                    
SOURCE   9 EXPRESSION_SYSTEM_CELLULAR_LOCATION: CYTOPLASM;                      
SOURCE  10 EXPRESSION_SYSTEM_VECTOR_TYPE: BACTERIA;                             
SOURCE  11 EXPRESSION_SYSTEM_VECTOR: PAV105;                                    
SOURCE  12 EXPRESSION_SYSTEM_PLASMID: 1603 TAC2                                 
KEYWDS    RNA BINDING DOMAIN, NUCLEAR PROTEIN                                   
EXPDTA    SOLUTION NMR                                                          
NUMMDL    20                                                                    
AUTHOR    J.LU,K.B.HALL                                                         
REVDAT   3   03-NOV-21 2U1A    1       REMARK SEQADV                            
REVDAT   2   24-FEB-09 2U1A    1       VERSN                                    
REVDAT   1   26-SEP-97 2U1A    0                                                
JRNL        AUTH   J.LU,K.B.HALL                                                
JRNL        TITL   TERTIARY STRUCTURE OF RBD2 AND BACKBONE DYNAMICS OF RBD1 AND 
JRNL        TITL 2 RBD2 OF THE HUMAN U1A PROTEIN DETERMINED BY NMR              
JRNL        TITL 3 SPECTROSCOPY.                                                
JRNL        REF    BIOCHEMISTRY                  V.  36 10393 1997              
JRNL        REFN                   ISSN 0006-2960                               
JRNL        PMID   9265619                                                      
JRNL        DOI    10.1021/BI9709811                                            
REMARK   2                                                                      
REMARK   2 RESOLUTION. NOT APPLICABLE.                                          
REMARK   3                                                                      
REMARK   3 REFINEMENT.                                                          
REMARK   3   PROGRAM     : TINKER                                               
REMARK   3   AUTHORS     : PONDER                                               
REMARK   3                                                                      
REMARK   3  OTHER REFINEMENT REMARKS: DISTANCE GEOMETRY WAS PERFORMED USING     
REMARK   3  5%-PAIRWISE METRIZATION AND A GAUSSIAN TRIAL DISTRIBUTION FOR       
REMARK   3  THE SELECTION OF DISTANCES USING THE PROGRAM DISTGEOM, A            
REMARK   3  COMPONENT OF THE TINKER MOLECULAR MODELING PACKAGE. EMBEDDED        
REMARK   3  STRUCTURES WERE REFINED VERSUS A PENALTY FUNCTION BASED SOLELY      
REMARK   3  ON THE EXPERIMENTAL RESTRAINTS AND LOCAL COVALENT GEOMETRY (BOND    
REMARK   3  LENGTHS, ANGLES, CHIRALITY) OBTAINED FROM A EXTENDED MODEL          
REMARK   3  GENERATED BY QUANTA; NO ENERGY-BASED TERMS WERE INCLUDED.           
REMARK   3  DETAILS OF THE CALCULATIONS AND STRUCTURAL STATISTICS ARE GIVEN     
REMARK   3  IN THE JRNL RECORDS ABOVE.                                          
REMARK   4                                                                      
REMARK   4 2U1A COMPLIES WITH FORMAT V. 3.15, 01-DEC-08                         
REMARK 100                                                                      
REMARK 100 THIS ENTRY HAS BEEN PROCESSED BY BNL.                                
REMARK 100 THE DEPOSITION ID IS D_1000178715.                                   
REMARK 210                                                                      
REMARK 210 EXPERIMENTAL DETAILS                                                 
REMARK 210  EXPERIMENT TYPE                : NMR                                
REMARK 210  TEMPERATURE           (KELVIN) : 298                                
REMARK 210  PH                             : 5.5                                
REMARK 210  IONIC STRENGTH                 : NULL                               
REMARK 210  PRESSURE                       : NULL                               
REMARK 210  SAMPLE CONTENTS                : NULL                               
REMARK 210                                                                      
REMARK 210  NMR EXPERIMENTS CONDUCTED      : 15N EDITED NOESYHMQC; 13C EDITED   
REMARK 210                                   NOESYHSQC                          
REMARK 210  SPECTROMETER FIELD STRENGTH    : 500 MHZ                            
REMARK 210  SPECTROMETER MODEL             : UNITY500                           
REMARK 210  SPECTROMETER MANUFACTURER      : VARIAN                             
REMARK 210                                                                      
REMARK 210  STRUCTURE DETERMINATION.                                            
REMARK 210   SOFTWARE USED                 : TINKER                             
REMARK 210   METHOD USED                   : DISTANCE GEOMETRY                  
REMARK 210                                                                      
REMARK 210 CONFORMERS, NUMBER CALCULATED   : 40                                 
REMARK 210 CONFORMERS, NUMBER SUBMITTED    : 20                                 
REMARK 210 CONFORMERS, SELECTION CRITERIA  : LEAST ERROR FUNCTION               
REMARK 210                                                                      
REMARK 210 BEST REPRESENTATIVE CONFORMER IN THIS ENSEMBLE : NULL                
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 300                                                                      
REMARK 300 BIOMOLECULE: 1                                                       
REMARK 300 SEE REMARK 350 FOR THE AUTHOR PROVIDED AND/OR PROGRAM                
REMARK 300 GENERATED ASSEMBLY INFORMATION FOR THE STRUCTURE IN                  
REMARK 300 THIS ENTRY. THE REMARK MAY ALSO PROVIDE INFORMATION ON               
REMARK 300 BURIED SURFACE AREA.                                                 
REMARK 350                                                                      
REMARK 350 COORDINATES FOR A COMPLETE MULTIMER REPRESENTING THE KNOWN           
REMARK 350 BIOLOGICALLY SIGNIFICANT OLIGOMERIZATION STATE OF THE                
REMARK 350 MOLECULE CAN BE GENERATED BY APPLYING BIOMT TRANSFORMATIONS          
REMARK 350 GIVEN BELOW.  BOTH NON-CRYSTALLOGRAPHIC AND                          
REMARK 350 CRYSTALLOGRAPHIC OPERATIONS ARE GIVEN.                               
REMARK 350                                                                      
REMARK 350 BIOMOLECULE: 1                                                       
REMARK 350 AUTHOR DETERMINED BIOLOGICAL UNIT: MONOMERIC                         
REMARK 350 APPLY THE FOLLOWING TO CHAINS: A                                     
REMARK 350   BIOMT1   1  1.000000  0.000000  0.000000        0.00000            
REMARK 350   BIOMT2   1  0.000000  1.000000  0.000000        0.00000            
REMARK 350   BIOMT3   1  0.000000  0.000000  1.000000        0.00000            
REMARK 500                                                                      
REMARK 500 GEOMETRY AND STEREOCHEMISTRY                                         
REMARK 500 SUBTOPIC: CLOSE CONTACTS                                             
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   O    ILE A    75     H    ASN A    78              1.54            
REMARK 500   O    ILE A    75     H    ASN A    79              1.59            
REMARK 500   N    THR A    76     O    ASN A    79              2.13            
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  1 PRO A  12   N   -  CA  -  CB  ANGL. DEV. =   7.0 DEGREES          
REMARK 500  1 LEU A  18   N   -  CA  -  CB  ANGL. DEV. =  12.0 DEGREES          
REMARK 500  1 PRO A  47   N   -  CA  -  CB  ANGL. DEV. =   7.3 DEGREES          
REMARK 500  1 THR A  76   CA  -  CB  -  CG2 ANGL. DEV. = -11.4 DEGREES          
REMARK 500  2 PHE A  57   CB  -  CG  -  CD2 ANGL. DEV. =  -4.3 DEGREES          
REMARK 500  3 PHE A  85   CB  -  CG  -  CD1 ANGL. DEV. =   4.4 DEGREES          
REMARK 500  4 PRO A  22   CA  -  N   -  CD  ANGL. DEV. = -10.9 DEGREES          
REMARK 500  4 HIS A  50   CB  -  CG  -  CD2 ANGL. DEV. =   8.7 DEGREES          
REMARK 500  4 ALA A  53   N   -  CA  -  CB  ANGL. DEV. =  -9.0 DEGREES          
REMARK 500  4 PHE A  57   CB  -  CG  -  CD1 ANGL. DEV. =  -5.5 DEGREES          
REMARK 500  5 PRO A  22   C   -  N   -  CA  ANGL. DEV. =   9.1 DEGREES          
REMARK 500  5 PRO A  47   N   -  CD  -  CG  ANGL. DEV. =  -9.9 DEGREES          
REMARK 500  5 PHE A  57   CB  -  CG  -  CD1 ANGL. DEV. =  -5.6 DEGREES          
REMARK 500  6 PRO A  22   C   -  N   -  CA  ANGL. DEV. =   9.1 DEGREES          
REMARK 500  6 PRO A  22   CA  -  N   -  CD  ANGL. DEV. = -10.7 DEGREES          
REMARK 500  7 GLY A  48   N   -  CA  -  C   ANGL. DEV. = -16.8 DEGREES          
REMARK 500  7 PHE A  57   CB  -  CG  -  CD2 ANGL. DEV. =  -4.4 DEGREES          
REMARK 500  7 LYS A  82   O   -  C   -  N   ANGL. DEV. =   9.9 DEGREES          
REMARK 500  8 PHE A  40   CB  -  CG  -  CD2 ANGL. DEV. =  -4.5 DEGREES          
REMARK 500  8 GLY A  48   N   -  CA  -  C   ANGL. DEV. = -16.5 DEGREES          
REMARK 500  8 PHE A  57   CB  -  CG  -  CD1 ANGL. DEV. =  -5.3 DEGREES          
REMARK 500  9 PHE A  54   CB  -  CG  -  CD2 ANGL. DEV. =  -4.5 DEGREES          
REMARK 500  9 PHE A  57   CB  -  CG  -  CD1 ANGL. DEV. =  -6.0 DEGREES          
REMARK 500  9 LYS A  82   O   -  C   -  N   ANGL. DEV. =  10.1 DEGREES          
REMARK 500 10 ILE A  75   N   -  CA  -  C   ANGL. DEV. = -17.0 DEGREES          
REMARK 500 10 THR A  76   CA  -  CB  -  CG2 ANGL. DEV. = -10.7 DEGREES          
REMARK 500 10 ASN A  79   O   -  C   -  N   ANGL. DEV. = -12.7 DEGREES          
REMARK 500 11 PHE A  37   CB  -  CG  -  CD2 ANGL. DEV. =  -4.8 DEGREES          
REMARK 500 11 PHE A  57   CB  -  CG  -  CD1 ANGL. DEV. =  -4.7 DEGREES          
REMARK 500 12 PRO A  22   C   -  N   -  CA  ANGL. DEV. =   9.1 DEGREES          
REMARK 500 12 PRO A  38   C   -  N   -  CA  ANGL. DEV. =   9.0 DEGREES          
REMARK 500 12 PRO A  38   CA  -  N   -  CD  ANGL. DEV. =  -9.0 DEGREES          
REMARK 500 12 PRO A  47   CA  -  N   -  CD  ANGL. DEV. =  -9.4 DEGREES          
REMARK 500 12 PHE A  57   CB  -  CG  -  CD1 ANGL. DEV. =  -4.4 DEGREES          
REMARK 500 12 LYS A  82   O   -  C   -  N   ANGL. DEV. =   9.8 DEGREES          
REMARK 500 13 PRO A  12   CA  -  N   -  CD  ANGL. DEV. = -10.8 DEGREES          
REMARK 500 13 PRO A  12   N   -  CD  -  CG  ANGL. DEV. =   8.6 DEGREES          
REMARK 500 13 PRO A  22   C   -  N   -  CA  ANGL. DEV. =   9.0 DEGREES          
REMARK 500 13 PRO A  22   N   -  CA  -  CB  ANGL. DEV. =  -7.4 DEGREES          
REMARK 500 13 PHE A  40   CB  -  CG  -  CD1 ANGL. DEV. =  -4.2 DEGREES          
REMARK 500 13 PRO A  47   N   -  CA  -  CB  ANGL. DEV. =   7.8 DEGREES          
REMARK 500 14 PRO A  11   N   -  CA  -  CB  ANGL. DEV. =  -7.4 DEGREES          
REMARK 500 14 PHE A  37   CB  -  CG  -  CD1 ANGL. DEV. =  -5.1 DEGREES          
REMARK 500 14 PRO A  47   N   -  CA  -  CB  ANGL. DEV. =   9.3 DEGREES          
REMARK 500 14 ARG A  67   NE  -  CZ  -  NH2 ANGL. DEV. =  -3.0 DEGREES          
REMARK 500 15 PRO A  11   N   -  CA  -  CB  ANGL. DEV. =  -8.8 DEGREES          
REMARK 500 15 PHE A  40   CB  -  CG  -  CD1 ANGL. DEV. =  -5.2 DEGREES          
REMARK 500 16 HIS A  14   CB  -  CG  -  CD2 ANGL. DEV. =   7.3 DEGREES          
REMARK 500 16 PRO A  47   C   -  N   -  CA  ANGL. DEV. =   9.1 DEGREES          
REMARK 500 16 PRO A  47   CA  -  N   -  CD  ANGL. DEV. =  -9.4 DEGREES          
REMARK 500                                                                      
REMARK 500 THIS ENTRY HAS      67 ANGLE DEVIATIONS.                             
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 ALA A   2       80.33     49.98                                   
REMARK 500  1 SER A   8      140.62     70.59                                   
REMARK 500  1 GLU A   9      -34.43   -135.33                                   
REMARK 500  1 LEU A  18     -179.44    173.88                                   
REMARK 500  1 ASN A  20       34.64    110.31                                   
REMARK 500  1 PRO A  22     -156.94   -112.69                                   
REMARK 500  1 GLU A  23       52.20     90.33                                   
REMARK 500  1 GLN A  36      -36.83    -34.29                                   
REMARK 500  1 PHE A  40       94.83    -40.59                                   
REMARK 500  1 VAL A  46      -20.67   -162.19                                   
REMARK 500  1 PRO A  47     -169.63    -63.19                                   
REMARK 500  1 ARG A  49      -79.43    -46.25                                   
REMARK 500  1 ASP A  58      -49.67     -8.08                                   
REMARK 500  1 GLN A  71       40.72    -68.52                                   
REMARK 500  1 PHE A  73       90.45    -66.77                                   
REMARK 500  1 LYS A  74       48.18    -42.74                                   
REMARK 500  1 GLN A  77      -16.77    -47.17                                   
REMARK 500  1 ASN A  78      -49.79   -137.56                                   
REMARK 500  1 PHE A  85      157.31    -39.86                                   
REMARK 500  1 ALA A  86       49.02    -79.99                                   
REMARK 500  2 ALA A   2       78.32   -157.78                                   
REMARK 500  2 ALA A   4     -141.20   -134.18                                   
REMARK 500  2 GLN A   5      -52.08   -174.00                                   
REMARK 500  2 LEU A   7      -74.49    -72.50                                   
REMARK 500  2 SER A   8     -161.94   -113.44                                   
REMARK 500  2 ASN A  10      -66.21   -167.58                                   
REMARK 500  2 PRO A  11      132.35    -31.50                                   
REMARK 500  2 HIS A  14        5.09    145.06                                   
REMARK 500  2 LEU A  18     -179.48    178.17                                   
REMARK 500  2 ASN A  20       35.51    117.69                                   
REMARK 500  2 PRO A  22     -171.76    -69.65                                   
REMARK 500  2 GLN A  36      -41.06    -28.21                                   
REMARK 500  2 PHE A  40      106.16    -47.96                                   
REMARK 500  2 LEU A  45       89.95   -164.95                                   
REMARK 500  2 VAL A  46      -26.86   -161.08                                   
REMARK 500  2 PRO A  47     -165.12    -63.58                                   
REMARK 500  2 ARG A  49      -87.36    -56.62                                   
REMARK 500  2 ASP A  58      -38.58    -24.67                                   
REMARK 500  2 GLN A  71       88.55    -58.53                                   
REMARK 500  2 LYS A  74       80.36    -52.33                                   
REMARK 500  2 THR A  76      -35.23   -130.93                                   
REMARK 500  2 GLN A  77      -40.50    132.36                                   
REMARK 500  2 PHE A  85      -95.32    -18.55                                   
REMARK 500  2 ALA A  86      -22.97    171.49                                   
REMARK 500  2 LYS A  87      -78.97   -125.69                                   
REMARK 500  3 LEU A   7     -145.62     61.64                                   
REMARK 500  3 SER A   8      156.83     70.31                                   
REMARK 500  3 GLU A   9       79.50   -152.68                                   
REMARK 500  3 PRO A  12       85.62    -63.83                                   
REMARK 500  3 LEU A  18     -179.47    170.43                                   
REMARK 500                                                                      
REMARK 500 THIS ENTRY HAS     418 RAMACHANDRAN OUTLIERS.                        
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  1 ARG A  44         0.27    SIDE CHAIN                              
REMARK 500  1 ARG A  49         0.26    SIDE CHAIN                              
REMARK 500  1 ARG A  67         0.32    SIDE CHAIN                              
REMARK 500  2 ARG A  44         0.25    SIDE CHAIN                              
REMARK 500  2 ARG A  49         0.25    SIDE CHAIN                              
REMARK 500  2 ARG A  67         0.31    SIDE CHAIN                              
REMARK 500  3 ARG A  44         0.26    SIDE CHAIN                              
REMARK 500  3 ARG A  49         0.24    SIDE CHAIN                              
REMARK 500  3 ARG A  67         0.31    SIDE CHAIN                              
REMARK 500  4 ARG A  44         0.26    SIDE CHAIN                              
REMARK 500  4 ARG A  49         0.26    SIDE CHAIN                              
REMARK 500  4 ARG A  67         0.32    SIDE CHAIN                              
REMARK 500  5 ARG A  44         0.26    SIDE CHAIN                              
REMARK 500  5 ARG A  49         0.24    SIDE CHAIN                              
REMARK 500  5 ARG A  67         0.30    SIDE CHAIN                              
REMARK 500  6 ARG A  44         0.26    SIDE CHAIN                              
REMARK 500  6 ARG A  49         0.25    SIDE CHAIN                              
REMARK 500  6 ARG A  67         0.31    SIDE CHAIN                              
REMARK 500  7 ARG A  44         0.26    SIDE CHAIN                              
REMARK 500  7 ARG A  49         0.25    SIDE CHAIN                              
REMARK 500  7 ARG A  67         0.32    SIDE CHAIN                              
REMARK 500  8 ARG A  44         0.26    SIDE CHAIN                              
REMARK 500  8 ARG A  49         0.26    SIDE CHAIN                              
REMARK 500  8 ARG A  67         0.31    SIDE CHAIN                              
REMARK 500  9 ARG A  44         0.26    SIDE CHAIN                              
REMARK 500  9 ARG A  49         0.26    SIDE CHAIN                              
REMARK 500  9 ARG A  67         0.31    SIDE CHAIN                              
REMARK 500 10 ARG A  44         0.27    SIDE CHAIN                              
REMARK 500 10 ARG A  49         0.25    SIDE CHAIN                              
REMARK 500 10 ARG A  67         0.31    SIDE CHAIN                              
REMARK 500 11 ARG A  44         0.26    SIDE CHAIN                              
REMARK 500 11 ARG A  49         0.26    SIDE CHAIN                              
REMARK 500 11 ARG A  67         0.32    SIDE CHAIN                              
REMARK 500 12 ARG A  44         0.26    SIDE CHAIN                              
REMARK 500 12 ARG A  49         0.25    SIDE CHAIN                              
REMARK 500 12 ARG A  67         0.31    SIDE CHAIN                              
REMARK 500 13 ARG A  44         0.27    SIDE CHAIN                              
REMARK 500 13 ARG A  49         0.25    SIDE CHAIN                              
REMARK 500 13 ARG A  67         0.31    SIDE CHAIN                              
REMARK 500 14 ARG A  44         0.26    SIDE CHAIN                              
REMARK 500 14 ARG A  49         0.25    SIDE CHAIN                              
REMARK 500 14 ARG A  67         0.30    SIDE CHAIN                              
REMARK 500 15 ARG A  44         0.26    SIDE CHAIN                              
REMARK 500 15 ARG A  49         0.25    SIDE CHAIN                              
REMARK 500 15 ARG A  67         0.31    SIDE CHAIN                              
REMARK 500 16 ARG A  44         0.26    SIDE CHAIN                              
REMARK 500 16 ARG A  49         0.25    SIDE CHAIN                              
REMARK 500 16 ARG A  67         0.31    SIDE CHAIN                              
REMARK 500 17 ARG A  44         0.26    SIDE CHAIN                              
REMARK 500 17 ARG A  49         0.25    SIDE CHAIN                              
REMARK 500                                                                      
REMARK 500 THIS ENTRY HAS      60 PLANE DEVIATIONS.                             
REMARK 500                                                                      
REMARK 500 REMARK: NULL                                                         
DBREF  2U1A A    1    88  UNP    P09012   SNRPA_HUMAN    195    282             
SEQADV 2U1A ALA A    2  UNP  P09012    PRO   196 ENGINEERED MUTATION            
SEQRES   1 A   88  MET ALA PRO ALA GLN PRO LEU SER GLU ASN PRO PRO ASN          
SEQRES   2 A   88  HIS ILE LEU PHE LEU THR ASN LEU PRO GLU GLU THR ASN          
SEQRES   3 A   88  GLU LEU MET LEU SER MET LEU PHE ASN GLN PHE PRO GLY          
SEQRES   4 A   88  PHE LYS GLU VAL ARG LEU VAL PRO GLY ARG HIS ASP ILE          
SEQRES   5 A   88  ALA PHE VAL GLU PHE ASP ASN GLU VAL GLN ALA GLY ALA          
SEQRES   6 A   88  ALA ARG ASP ALA LEU GLN GLY PHE LYS ILE THR GLN ASN          
SEQRES   7 A   88  ASN ALA MET LYS ILE SER PHE ALA LYS LYS                      
HELIX    1   1 GLU A   27  ASN A   35  1                                   9    
HELIX    2   2 GLU A   60  ALA A   69  1                                  10    
HELIX    3   3 LYS A   74  GLN A   77  5                                   4    
SHEET    1   A 4 LYS A  82  PHE A  85  0                                        
SHEET    2   A 4 ILE A  15  THR A  19 -1  N  THR A  19   O  LYS A  82           
SHEET    3   A 4 ILE A  52  PHE A  57 -1  N  VAL A  55   O  LEU A  16           
SHEET    4   A 4 PHE A  40  ARG A  44 -1  N  ARG A  44   O  PHE A  54           
CISPEP   1 PRO A   11    PRO A   12          1         0.17                     
CISPEP   2 PRO A   11    PRO A   12          2         0.67                     
CISPEP   3 PRO A   11    PRO A   12          5         0.25                     
CISPEP   4 GLN A    5    PRO A    6          6         0.06                     
CISPEP   5 GLN A    5    PRO A    6          9         0.00                     
CISPEP   6 PRO A   11    PRO A   12          9        -0.03                     
CISPEP   7 GLN A    5    PRO A    6         10        -0.02                     
CISPEP   8 GLN A    5    PRO A    6         12         0.02                     
CISPEP   9 GLN A    5    PRO A    6         13         0.04                     
CISPEP  10 PRO A   11    PRO A   12         13         0.60                     
CISPEP  11 ALA A    2    PRO A    3         14         0.02                     
CISPEP  12 ALA A    2    PRO A    3         16         0.07                     
CISPEP  13 GLN A    5    PRO A    6         17         0.22                     
CISPEP  14 PRO A   11    PRO A   12         19         0.04                     
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