PDB Short entry for 1E7K
HEADER    RNA-BINDING PROTEIN                     29-AUG-00   1E7K              
TITLE     CRYSTAL STRUCTURE OF THE SPLICEOSOMAL 15.5KD PROTEIN BOUND            
TITLE    2 TO A U4 SNRNA FRAGMENT                                               
COMPND    MOL_ID: 1;                                                            
COMPND   2 MOLECULE: 15.5 KD RNA BINDING PROTEIN;                               
COMPND   3 CHAIN: A, B;                                                         
COMPND   4 SYNONYM: NHP2/RS6 FAMILY PROTEIN YEL026W HOMOLOG, HIGH               
COMPND   5  MOBILITY GROUP-LIKE NUCLEAR PROTEIN 2 HOMOLOG, OTK27;               
COMPND   6 ENGINEERED: YES;                                                     
COMPND   7 MOL_ID: 2;                                                           
COMPND   8 MOLECULE: RNA                                                        
COMPND   9  (5'-R(*GP*CP*CP*AP*AP*UP*GP*AP*GP*GP*UP*UP*UP*                      
COMPND  10  AP*UP*CP*CP*GP*AP*GP*G*C(-3');                                      
COMPND  11 CHAIN: C, D;                                                         
COMPND  12 FRAGMENT: 26-47;                                                     
COMPND  13 SYNONYM: U4 SNRNA                                                    
SOURCE    MOL_ID: 1;                                                            
SOURCE   2 ORGANISM_SCIENTIFIC: HOMO SAPIENS;                                   
SOURCE   3 ORGANISM_COMMON: HUMAN;                                              
SOURCE   4 ORGANISM_TAXID: 9606;                                                
SOURCE   5 EXPRESSION_SYSTEM: ESCHERICHIA COLI;                                 
SOURCE   6 EXPRESSION_SYSTEM_TAXID: 562;                                        
SOURCE   7 MOL_ID: 2;                                                           
SOURCE   8 SYNTHETIC: HUMAN;                                                    
SOURCE   9 ORGANISM_SCIENTIFIC: HOMO SAPIENS;                                   
SOURCE  10 ORGANISM_COMMON: HUMAN;                                              
SOURCE  11 ORGANISM_TAXID: 9606                                                 
KEYWDS    RNA-BINDING PROTEIN, SPLICING, RNA RECOGNITION MOTIF, U4              
KEYWDS   2 SNRNA                                                                
EXPDTA    X-RAY DIFFRACTION                                                     
AUTHOR    I.VIDOVIC,S.NOTTROTT,K.HARTHMUTH,R.LUHRMANN,R.FICNER                  
REVDAT   2   24-FEB-09 1E7K    1       VERSN                                    
REVDAT   1   19-FEB-01 1E7K    0                                                
JRNL        AUTH   I.VIDOVIC,S.NOTTROTT,K.HARTMUTH,R.LUHRMANN,R.FICNER          
JRNL        TITL   CRYSTAL STRUCTURE OF THE SPLICEOSOMAL 15.5KD                 
JRNL        TITL 2 PROTEIN BOUND TO A U4 SNRNA FRAGMENT                         
JRNL        REF    MOL.CELL                      V.   6  1331 2000              
JRNL        REFN                   ISSN 1097-2765                               
JRNL        PMID   11163207                                                     
JRNL        DOI    10.1016/S1097-2765(00)00131-3                                
REMARK   1                                                                      
REMARK   1 REFERENCE 1                                                          
REMARK   1  AUTH   S.NOTTROTT,K.HARTMUTH,P.FABRIZIO,H.URLAUB,                   
REMARK   1  AUTH 2 I.VIDOVIC,R.FICNER,R.LUHRMANN                                
REMARK   1  TITL   FUNCTIONAL INTERACTION OF A NOVEL 15.5KD                     
REMARK   1  TITL 2 [U4/U6.U5] TRI-SNRNP PROTEIN WITH THE 5' STEM-LOOP           
REMARK   1  TITL 3 OF U4 SNRNA                                                  
REMARK   1  REF    EMBO J.                       V.  18  6119 1999              
REMARK   1  REFN                   ISSN 0261-4189                               
REMARK   1  PMID   10545122                                                     
REMARK   1  DOI    10.1093/EMBOJ/18.21.6119                                     
REMARK   2                                                                      
REMARK   2 RESOLUTION.    2.9  ANGSTROMS.                                       
REMARK   3                                                                      
REMARK   3 REFINEMENT.                                                          
REMARK   3   PROGRAM     : X-PLOR 3.851                                         
REMARK   3   AUTHORS     : BRUNGER                                              
REMARK   3                                                                      
REMARK   3  DATA USED IN REFINEMENT.                                            
REMARK   3   RESOLUTION RANGE HIGH (ANGSTROMS) : 2.9                            
REMARK   3   RESOLUTION RANGE LOW  (ANGSTROMS) : 30                             
REMARK   3   DATA CUTOFF            (SIGMA(F)) : 2.0                            
REMARK   3   DATA CUTOFF HIGH         (ABS(F)) : NULL                           
REMARK   3   DATA CUTOFF LOW          (ABS(F)) : NULL                           
REMARK   3   COMPLETENESS (WORKING+TEST)   (%) : 92.99                          
REMARK   3   NUMBER OF REFLECTIONS             : 7948                           
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) : 0.216                           
REMARK   3   FREE R VALUE                     : 0.302                           
REMARK   3   FREE R VALUE TEST SET SIZE   (%) : NULL                            
REMARK   3   FREE R VALUE TEST SET COUNT      : NULL                            
REMARK   3   ESTIMATED ERROR OF FREE R VALUE  : NULL                            
REMARK   3                                                                      
REMARK   3  FIT IN THE HIGHEST RESOLUTION BIN.                                  
REMARK   3   TOTAL NUMBER OF BINS USED           : NULL                         
REMARK   3   BIN RESOLUTION RANGE HIGH       (A) : NULL                         
REMARK   3   BIN RESOLUTION RANGE LOW        (A) : NULL                         
REMARK   3   BIN COMPLETENESS (WORKING+TEST) (%) : NULL                         
REMARK   3   REFLECTIONS IN BIN    (WORKING SET) : NULL                         
REMARK   3   BIN R VALUE           (WORKING SET) : NULL                         
REMARK   3   BIN FREE R VALUE                    : NULL                         
REMARK   3   BIN FREE R VALUE TEST SET SIZE  (%) : NULL                         
REMARK   3   BIN FREE R VALUE TEST SET COUNT     : NULL                         
REMARK   3   ESTIMATED ERROR OF BIN FREE R VALUE : NULL                         
REMARK   3                                                                      
REMARK   3  NUMBER OF NON-HYDROGEN ATOMS USED IN REFINEMENT.                    
REMARK   3   PROTEIN ATOMS            : 1923                                    
REMARK   3   NUCLEIC ACID ATOMS       : 732                                     
REMARK   3   HETEROGEN ATOMS          : 0                                       
REMARK   3   SOLVENT ATOMS            : 0                                       
REMARK   3                                                                      
REMARK   3  B VALUES.                                                           
REMARK   3   FROM WILSON PLOT           (A**2) : NULL                           
REMARK   3   MEAN B VALUE      (OVERALL, A**2) : 15.192                         
REMARK   3   OVERALL ANISOTROPIC B VALUE.                                       
REMARK   3    B11 (A**2) : NULL                                                 
REMARK   3    B22 (A**2) : NULL                                                 
REMARK   3    B33 (A**2) : NULL                                                 
REMARK   3    B12 (A**2) : NULL                                                 
REMARK   3    B13 (A**2) : NULL                                                 
REMARK   3    B23 (A**2) : NULL                                                 
REMARK   3                                                                      
REMARK   3  ESTIMATED COORDINATE ERROR.                                         
REMARK   3   ESD FROM LUZZATI PLOT        (A) : NULL                            
REMARK   3   ESD FROM SIGMAA              (A) : NULL                            
REMARK   3   LOW RESOLUTION CUTOFF        (A) : NULL                            
REMARK   3                                                                      
REMARK   3  CROSS-VALIDATED ESTIMATED COORDINATE ERROR.                         
REMARK   3   ESD FROM C-V LUZZATI PLOT    (A) : NULL                            
REMARK   3   ESD FROM C-V SIGMAA          (A) : NULL                            
REMARK   3                                                                      
REMARK   3  RMS DEVIATIONS FROM IDEAL VALUES.                                   
REMARK   3   BOND LENGTHS                 (A) : 0.007                           
REMARK   3   BOND ANGLES            (DEGREES) : 1.21                            
REMARK   3   DIHEDRAL ANGLES        (DEGREES) : NULL                            
REMARK   3   IMPROPER ANGLES        (DEGREES) : NULL                            
REMARK   3                                                                      
REMARK   3  ISOTROPIC THERMAL MODEL : NULL                                      
REMARK   3                                                                      
REMARK   3  ISOTROPIC THERMAL FACTOR RESTRAINTS.    RMS    SIGMA                
REMARK   3   MAIN-CHAIN BOND              (A**2) : NULL  ; NULL                 
REMARK   3   MAIN-CHAIN ANGLE             (A**2) : NULL  ; NULL                 
REMARK   3   SIDE-CHAIN BOND              (A**2) : NULL  ; NULL                 
REMARK   3   SIDE-CHAIN ANGLE             (A**2) : NULL  ; NULL                 
REMARK   3                                                                      
REMARK   3  NCS MODEL : RESTRAINTS                                              
REMARK   3                                                                      
REMARK   3  NCS RESTRAINTS.                         RMS   SIGMA/WEIGHT          
REMARK   3   GROUP  1  POSITIONAL            (A) : NULL  ; NULL                 
REMARK   3   GROUP  1  B-FACTOR           (A**2) : NULL  ; NULL                 
REMARK   3                                                                      
REMARK   3  PARAMETER FILE  1  : NULL                                           
REMARK   3  PARAMETER FILE  2  : NULL                                           
REMARK   3  TOPOLOGY FILE  1   : NULL                                           
REMARK   3  TOPOLOGY FILE  2   : NULL                                           
REMARK   3                                                                      
REMARK   3  OTHER REFINEMENT REMARKS: NULL                                      
REMARK   4                                                                      
REMARK   4 1E7K COMPLIES WITH FORMAT V. 3.15, 01-DEC-08                         
REMARK 100                                                                      
REMARK 100 THIS ENTRY HAS BEEN PROCESSED BY PDBE ON 29-AUG-00.                  
REMARK 100 THE PDBE ID CODE IS EBI-5297.                                        
REMARK 200                                                                      
REMARK 200 EXPERIMENTAL DETAILS                                                 
REMARK 200  EXPERIMENT TYPE                : X-RAY DIFFRACTION                  
REMARK 200  DATE OF DATA COLLECTION        : 15-MAR-99                          
REMARK 200  TEMPERATURE           (KELVIN) : 100.0                              
REMARK 200  PH                             : 7.60                               
REMARK 200  NUMBER OF CRYSTALS USED        : 1                                  
REMARK 200                                                                      
REMARK 200  SYNCHROTRON              (Y/N) : Y                                  
REMARK 200  RADIATION SOURCE               : ESRF                               
REMARK 200  BEAMLINE                       : BM14                               
REMARK 200  X-RAY GENERATOR MODEL          : NULL                               
REMARK 200  MONOCHROMATIC OR LAUE    (M/L) : M                                  
REMARK 200  WAVELENGTH OR RANGE        (A) : 0.9184, 0.9790, 0.9791, 0.9919     
REMARK 200  MONOCHROMATOR                  : NULL                               
REMARK 200  OPTICS                         : NULL                               
REMARK 200                                                                      
REMARK 200  DETECTOR TYPE                  : NULL                               
REMARK 200  DETECTOR MANUFACTURER          : NULL                               
REMARK 200  INTENSITY-INTEGRATION SOFTWARE : NULL                               
REMARK 200  DATA SCALING SOFTWARE          : NULL                               
REMARK 200                                                                      
REMARK 200  NUMBER OF UNIQUE REFLECTIONS   : 8125                               
REMARK 200  RESOLUTION RANGE HIGH      (A) : 2.900                              
REMARK 200  RESOLUTION RANGE LOW       (A) : 30.000                             
REMARK 200  REJECTION CRITERIA  (SIGMA(I)) : NULL                               
REMARK 200                                                                      
REMARK 200 OVERALL.                                                             
REMARK 200  COMPLETENESS FOR RANGE     (%) : 93.2                               
REMARK 200  DATA REDUNDANCY                : 3.500                              
REMARK 200  R MERGE                    (I) : NULL                               
REMARK 200  R SYM                      (I) : 0.05500                            
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) : 2.90                     
REMARK 200  HIGHEST RESOLUTION SHELL, RANGE LOW  (A) : 3.00                     
REMARK 200  COMPLETENESS FOR SHELL     (%) : 89.3                               
REMARK 200  DATA REDUNDANCY IN SHELL       : NULL                               
REMARK 200  R MERGE FOR SHELL          (I) : NULL                               
REMARK 200  R SYM FOR SHELL            (I) : 0.11800                            
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: SHARP, SOLOMON, SOLVE                                 
REMARK 200 STARTING MODEL: NULL                                                 
REMARK 200                                                                      
REMARK 200 REMARK: NULL                                                         
REMARK 280                                                                      
REMARK 280 CRYSTAL                                                              
REMARK 280 SOLVENT CONTENT, VS   (%): 37                                        
REMARK 280 MATTHEWS COEFFICIENT, VM (ANGSTROMS**3/DA): NULL                     
REMARK 280                                                                      
REMARK 280 CRYSTALLIZATION CONDITIONS: NULL                                     
REMARK 290                                                                      
REMARK 290 CRYSTALLOGRAPHIC SYMMETRY                                            
REMARK 290 SYMMETRY OPERATORS FOR SPACE GROUP: P 21 21 21                       
REMARK 290                                                                      
REMARK 290      SYMOP   SYMMETRY                                                
REMARK 290     NNNMMM   OPERATOR                                                
REMARK 290       1555   X,Y,Z                                                   
REMARK 290       2555   -X+1/2,-Y,Z+1/2                                         
REMARK 290       3555   -X,Y+1/2,-Z+1/2                                         
REMARK 290       4555   X+1/2,-Y+1/2,-Z                                         
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       22.87800            
REMARK 290   SMTRY2   2  0.000000 -1.000000  0.000000        0.00000            
REMARK 290   SMTRY3   2  0.000000  0.000000  1.000000       73.36750            
REMARK 290   SMTRY1   3 -1.000000  0.000000  0.000000        0.00000            
REMARK 290   SMTRY2   3  0.000000  1.000000  0.000000       27.64350            
REMARK 290   SMTRY3   3  0.000000  0.000000 -1.000000       73.36750            
REMARK 290   SMTRY1   4  1.000000  0.000000  0.000000       22.87800            
REMARK 290   SMTRY2   4  0.000000 -1.000000  0.000000       27.64350            
REMARK 290   SMTRY3   4  0.000000  0.000000 -1.000000        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 350                                                                      
REMARK 350 GENERATING THE BIOMOLECULE                                           
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 SOFTWARE DETERMINED QUATERNARY STRUCTURE: DIMERIC                    
REMARK 350 SOFTWARE USED: PQS                                                   
REMARK 350 TOTAL BURIED SURFACE AREA: 1510 ANGSTROM**2                          
REMARK 350 SURFACE AREA OF THE COMPLEX: 10620 ANGSTROM**2                       
REMARK 350 CHANGE IN SOLVENT FREE ENERGY:  2.1 KCAL/MOL                         
REMARK 350 APPLY THE FOLLOWING TO CHAINS: A, C                                  
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 SOFTWARE DETERMINED QUATERNARY STRUCTURE: DIMERIC                    
REMARK 350 SOFTWARE USED: PQS                                                   
REMARK 350 TOTAL BURIED SURFACE AREA: 1530 ANGSTROM**2                          
REMARK 350 SURFACE AREA OF THE COMPLEX: 10510 ANGSTROM**2                       
REMARK 350 CHANGE IN SOLVENT FREE ENERGY:  2.1 KCAL/MOL                         
REMARK 350 APPLY THE FOLLOWING TO CHAINS: B, D                                  
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     THR A     2                                                      
REMARK 465     GLU A     3                                                      
REMARK 465     MET B     1                                                      
REMARK 465     THR B     2                                                      
REMARK 465     GLU B     3                                                      
REMARK 465     ALA B     4                                                      
REMARK 465     ASP B     5                                                      
REMARK 465       U C    36                                                      
REMARK 465       U C    37                                                      
REMARK 465       U C    38                                                      
REMARK 465       A C    39                                                      
REMARK 465       U C    40                                                      
REMARK 465       U D    36                                                      
REMARK 465       U D    37                                                      
REMARK 465       U D    38                                                      
REMARK 465       A D    39                                                      
REMARK 465       U D    40                                                      
REMARK 500                                                                      
REMARK 500 GEOMETRY AND STEREOCHEMISTRY                                         
REMARK 500 SUBTOPIC: CLOSE CONTACTS                                             
REMARK 500                                                                      
REMARK 500 THE FOLLOWING ATOMS THAT ARE RELATED BY CRYSTALLOGRAPHIC             
REMARK 500 SYMMETRY ARE IN CLOSE CONTACT.  AN ATOM LOCATED WITHIN 0.15          
REMARK 500 ANGSTROMS OF A SYMMETRY RELATED ATOM IS ASSUMED TO BE ON A           
REMARK 500 SPECIAL POSITION AND IS, THEREFORE, LISTED IN REMARK 375             
REMARK 500 INSTEAD OF REMARK 500.  ATOMS WITH NON-BLANK ALTERNATE               
REMARK 500 LOCATION INDICATORS ARE NOT INCLUDED IN THE CALCULATIONS.            
REMARK 500                                                                      
REMARK 500 DISTANCE CUTOFF:                                                     
REMARK 500 2.2 ANGSTROMS FOR CONTACTS NOT INVOLVING HYDROGEN ATOMS              
REMARK 500 1.6 ANGSTROMS FOR CONTACTS INVOLVING HYDROGEN ATOMS                  
REMARK 500                                                                      
REMARK 500  ATM1  RES C  SSEQI   ATM2  RES C  SSEQI  SSYMOP   DISTANCE          
REMARK 500                                                                      
REMARK 500   OE1  GLN A   121     O2'    C C    27     1655      2.07           
REMARK 500   O2'    C C    27     OE1  GLN A   121     1455      2.07           
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      C C  41   O3' -  P   -  O5' ANGL. DEV. = -26.9 DEGREES          
REMARK 500      C C  41   O3' -  P   -  OP1 ANGL. DEV. = -32.4 DEGREES          
REMARK 500      C C  41   O3' -  P   -  OP2 ANGL. DEV. = -32.4 DEGREES          
REMARK 500      C C  41   C3' -  O3' -  P   ANGL. DEV. = -89.8 DEGREES          
REMARK 500      C D  41   O3' -  P   -  O5' ANGL. DEV. = -56.7 DEGREES          
REMARK 500      C D  41   O3' -  P   -  OP1 ANGL. DEV. =  43.8 DEGREES          
REMARK 500      C D  41   O3' -  P   -  OP2 ANGL. DEV. =  43.8 DEGREES          
REMARK 500      C D  41   C3' -  O3' -  P   ANGL. DEV. = -75.4 DEGREES          
REMARK 500      G D  43   C2' -  C3' -  O3' ANGL. DEV. = -12.0 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 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    ASP A   5       87.56     66.75                                   
REMARK 500    GLU A  64      -18.40    -46.16                                   
REMARK 500    LEU A  67       -4.65    -54.44                                   
REMARK 500    ALA A 101      149.63   -173.12                                   
REMARK 500    LEU B  67       -5.94    -51.36                                   
REMARK 500    ASN B  77       40.41     72.43                                   
REMARK 500    ALA B 101      145.87   -172.14                                   
REMARK 500                                                                      
REMARK 500 REMARK: NULL                                                         
REMARK 999                                                                      
REMARK 999 SEQUENCE                                                             
REMARK 999  THE SWISSPROT ENTRY P55769 IS IDENTICAL TO THE                      
REMARK 999  SWISSPROT ENTRY AAF06959 REPORTED IN,                               
REMARK 999  S.NOTTROTT,K.HARTMUTH,P.FABRIZIO,H.URLAUB,I.VIDOVIC,                
REMARK 999  R.FICNER,R.LUHRMANN                                                 
REMARK 999  FUNCTIONAL INTERACTION OF A NOVEL 15.5KD [U4/U6.U5]                 
REMARK 999  TRI-SNRNP PROTEIN WITH THE 5' STEM-LOOP OF U4 SNRNA                 
REMARK 999  EMBO J. 18, 6119-6133 (1999).                                       
DBREF  1E7K A    1   128  UNP    P55769   NHPX_HUMAN       1    128             
DBREF  1E7K B    1   128  UNP    P55769   NHPX_HUMAN       1    128             
DBREF  1E7K C   26    47  PDB    1E7K     1E7K            26     47             
DBREF  1E7K D   26    47  PDB    1E7K     1E7K            26     47             
SEQRES   1 C   22    G   C   C   A   A   U   G   A   G   G   U   U   U          
SEQRES   2 C   22    A   U   C   C   G   A   G   G   C                          
SEQRES   1 D   22    G   C   C   A   A   U   G   A   G   G   U   U   U          
SEQRES   2 D   22    A   U   C   C   G   A   G   G   C                          
SEQRES   1 A  128  MET THR GLU ALA ASP VAL ASN PRO LYS ALA TYR PRO LEU          
SEQRES   2 A  128  ALA ASP ALA HIS LEU THR LYS LYS LEU LEU ASP LEU VAL          
SEQRES   3 A  128  GLN GLN SER CYS ASN TYR LYS GLN LEU ARG LYS GLY ALA          
SEQRES   4 A  128  ASN GLU ALA THR LYS THR LEU ASN ARG GLY ILE SER GLU          
SEQRES   5 A  128  PHE ILE VAL MET ALA ALA ASP ALA GLU PRO LEU GLU ILE          
SEQRES   6 A  128  ILE LEU HIS LEU PRO LEU LEU CYS GLU ASP LYS ASN VAL          
SEQRES   7 A  128  PRO TYR VAL PHE VAL ARG SER LYS GLN ALA LEU GLY ARG          
SEQRES   8 A  128  ALA CYS GLY VAL SER ARG PRO VAL ILE ALA CYS SER VAL          
SEQRES   9 A  128  THR ILE LYS GLU GLY SER GLN LEU LYS GLN GLN ILE GLN          
SEQRES  10 A  128  SER ILE GLN GLN SER ILE GLU ARG LEU LEU VAL                  
SEQRES   1 B  128  MET THR GLU ALA ASP VAL ASN PRO LYS ALA TYR PRO LEU          
SEQRES   2 B  128  ALA ASP ALA HIS LEU THR LYS LYS LEU LEU ASP LEU VAL          
SEQRES   3 B  128  GLN GLN SER CYS ASN TYR LYS GLN LEU ARG LYS GLY ALA          
SEQRES   4 B  128  ASN GLU ALA THR LYS THR LEU ASN ARG GLY ILE SER GLU          
SEQRES   5 B  128  PHE ILE VAL MET ALA ALA ASP ALA GLU PRO LEU GLU ILE          
SEQRES   6 B  128  ILE LEU HIS LEU PRO LEU LEU CYS GLU ASP LYS ASN VAL          
SEQRES   7 B  128  PRO TYR VAL PHE VAL ARG SER LYS GLN ALA LEU GLY ARG          
SEQRES   8 B  128  ALA CYS GLY VAL SER ARG PRO VAL ILE ALA CYS SER VAL          
SEQRES   9 B  128  THR ILE LYS GLU GLY SER GLN LEU LYS GLN GLN ILE GLN          
SEQRES  10 B  128  SER ILE GLN GLN SER ILE GLU ARG LEU LEU VAL                  
HELIX    1   1 ASP A   15  TYR A   32  1                                  18    
HELIX    2   2 GLY A   38  ARG A   48  1                                  11    
HELIX    3   3 PRO A   62  ILE A   66  5                                   5    
HELIX    4   4 HIS A   68  ASN A   77  1                                  10    
HELIX    5   5 SER A   85  CYS A   93  1                                   9    
HELIX    6   6 LEU A  112  LEU A  127  1                                  16    
HELIX    7   7 ASP B   15  TYR B   32  1                                  18    
HELIX    8   8 GLY B   38  ARG B   48  1                                  11    
HELIX    9   9 PRO B   62  ILE B   66  5                                   5    
HELIX   10  10 HIS B   68  ASN B   77  1                                  10    
HELIX   11  11 SER B   85  CYS B   93  1                                   9    
HELIX   12  12 LEU B  112  LEU B  127  1                                  16    
SHEET    1   A 4 LEU A  35  LYS A  37  0                                        
SHEET    2   A 4 ALA A 101  THR A 105 -1  N  SER A 103   O  ARG A  36           
SHEET    3   A 4 SER A  51  ALA A  57 -1  N  VAL A  55   O  CYS A 102           
SHEET    4   A 4 PRO A  79  VAL A  83  1  N  PRO A  79   O  ILE A  54           
SHEET    1   B 4 LEU B  35  LYS B  37  0                                        
SHEET    2   B 4 ALA B 101  THR B 105 -1  N  SER B 103   O  ARG B  36           
SHEET    3   B 4 SER B  51  ALA B  57 -1  N  VAL B  55   O  CYS B 102           
SHEET    4   B 4 TYR B  80  VAL B  83  1  N  VAL B  81   O  ILE B  54           
CISPEP   1 TYR A   11    PRO A   12          0        -0.37                     
CISPEP   2 GLU A   61    PRO A   62          0        -0.44                     
CISPEP   3 TYR B   11    PRO B   12          0         0.16                     
CISPEP   4 GLU B   61    PRO B   62          0        -0.08                     
CRYST1   45.756   55.287  146.735  90.00  90.00  90.00 P 21 21 21    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      0.021855  0.000000  0.000000        0.00000                         
SCALE2      0.000000  0.018087  0.000000        0.00000                         
SCALE3      0.000000  0.000000  0.006815        0.00000                         
MTRIX1   1  0.057157  0.330472 -0.942084       95.26120    1                    
MTRIX2   1  0.008778  0.943423  0.331474      -21.87770    1                    
MTRIX3   1  0.998327 -0.027216  0.051022       15.77860    1