HEADER    METAL BINDING PROTEIN                   24-SEP-00   1FWQ              
TITLE     SOLUTION STRUCTURE OF HUMAN MSS4, A GUANINE NUCLEOTIDE EXCHANGE FACTOR
TITLE    2 FOR RAB PROTEINS                                                     
COMPND    MOL_ID: 1;                                                            
COMPND   2 MOLECULE: GUANINE NUCLEOTIDE EXCHANGE FACTOR;                        
COMPND   3 CHAIN: A;                                                            
COMPND   4 ENGINEERED: YES                                                      
SOURCE    MOL_ID: 1;                                                            
SOURCE   2 ORGANISM_SCIENTIFIC: HOMO SAPIENS;                                   
SOURCE   3 ORGANISM_COMMON: HUMAN;                                              
SOURCE   4 ORGANISM_TAXID: 9606;                                                
SOURCE   5 ORGAN: BRAIN;                                                        
SOURCE   6 EXPRESSION_SYSTEM: ESCHERICHIA COLI;                                 
SOURCE   7 EXPRESSION_SYSTEM_TAXID: 562;                                        
SOURCE   8 EXPRESSION_SYSTEM_PLASMID: PGEX-2T                                   
KEYWDS    ZINC-BINDING, BETA STRUCTURE, METAL BINDING PROTEIN                   
EXPDTA    SOLUTION NMR                                                          
AUTHOR    H.YU,S.L.SCHREIBER                                                    
REVDAT   4   22-MAY-24 1FWQ    1       REMARK                                   
REVDAT   3   23-FEB-22 1FWQ    1       REMARK                                   
REVDAT   2   24-FEB-09 1FWQ    1       VERSN                                    
REVDAT   1   04-OCT-00 1FWQ    0                                                
JRNL        AUTH   H.YU,S.L.SCHREIBER                                           
JRNL        TITL   STRUCTURE OF GUANINE-NUCLEOTIDE-EXCHANGE FACTOR HUMAN MSS4   
JRNL        TITL 2 AND IDENTIFICATION OF ITS RAB-INTERACTING SURFACE.           
JRNL        REF    NATURE                        V. 376   788 1995              
JRNL        REFN                   ISSN 0028-0836                               
JRNL        PMID   7651540                                                      
JRNL        DOI    10.1038/376788A0                                             
REMARK   2                                                                      
REMARK   2 RESOLUTION. NOT APPLICABLE.                                          
REMARK   3                                                                      
REMARK   3 REFINEMENT.                                                          
REMARK   3   PROGRAM     : X-PLOR 3.1, X-PLOR 3.1                               
REMARK   3   AUTHORS     : BRUNGER (X-PLOR), BRUNGER (X-PLOR)                   
REMARK   3                                                                      
REMARK   3  OTHER REFINEMENT REMARKS: THE STRUCTURES ARE BASED ON A TOTAL OF    
REMARK   3  1,289 NOE-DERIVED DISTANCE CONSTRAINTS AND 117 DIHEDRAL ANGLE       
REMARK   3  RESTRAINTS.                                                         
REMARK   4                                                                      
REMARK   4 1FWQ COMPLIES WITH FORMAT V. 3.30, 13-JUL-11                         
REMARK 100                                                                      
REMARK 100 THIS ENTRY HAS BEEN PROCESSED BY RCSB ON 25-SEP-00.                  
REMARK 100 THE DEPOSITION ID IS D_1000011963.                                   
REMARK 210                                                                      
REMARK 210 EXPERIMENTAL DETAILS                                                 
REMARK 210  EXPERIMENT TYPE                : NMR                                
REMARK 210  TEMPERATURE           (KELVIN) : 303                                
REMARK 210  PH                             : 6.5                                
REMARK 210  IONIC STRENGTH                 : 100MM                              
REMARK 210  PRESSURE                       : 1 ATM                              
REMARK 210  SAMPLE CONTENTS                : 3MM MSS4, U-15N; 40MM TRIS (PH     
REMARK 210                                   6.5), 100MM KCL, 2MM DTT; 3MM      
REMARK 210                                   MSS4, U-15N,13C; 40MM TRIS (PH     
REMARK 210                                   6.5), 100MM KCL, 2MM DTT; 3MM      
REMARK 210                                   MSS4, U-15N,13C; 40MM TRIS (PH     
REMARK 210                                   6.5), 100MM KCL, 2MM DTT           
REMARK 210                                                                      
REMARK 210  NMR EXPERIMENTS CONDUCTED      : 3D_15N-SEPARATED_TOCSY; HNCA,      
REMARK 210                                   HNCOCA, HNCO; HCCH-TOCSY           
REMARK 210  SPECTROMETER FIELD STRENGTH    : 500 MHZ                            
REMARK 210  SPECTROMETER MODEL             : AVANCE                             
REMARK 210  SPECTROMETER MANUFACTURER      : BRUKER                             
REMARK 210                                                                      
REMARK 210  STRUCTURE DETERMINATION.                                            
REMARK 210   SOFTWARE USED                 : NULL                               
REMARK 210   METHOD USED                   : SIMULATED ANNEALING                
REMARK 210                                                                      
REMARK 210 CONFORMERS, NUMBER CALCULATED   : NULL                               
REMARK 210 CONFORMERS, NUMBER SUBMITTED    : 1                                  
REMARK 210 CONFORMERS, SELECTION CRITERIA  : NULL                               
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 465                                                                      
REMARK 465 MISSING RESIDUES                                                     
REMARK 465 THE FOLLOWING RESIDUES WERE NOT LOCATED IN THE                       
REMARK 465 EXPERIMENT. (RES=RESIDUE NAME; C=CHAIN IDENTIFIER;                   
REMARK 465 SSSEQ=SEQUENCE NUMBER; I=INSERTION CODE.)                            
REMARK 465     RES C SSSEQI                                                     
REMARK 465     MET A     1                                                      
REMARK 465     GLU A     2                                                      
REMARK 465     PRO A     3                                                      
REMARK 465     ALA A     4                                                      
REMARK 465     ASP A     5                                                      
REMARK 465     GLU A     6                                                      
REMARK 465     PRO A     7                                                      
REMARK 465     SER A     8                                                      
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    SER A  12     -170.13    -58.80                                   
REMARK 500    CYS A  23       95.40    -48.91                                   
REMARK 500    VAL A  30      -76.40    -71.44                                   
REMARK 500    ARG A  40       47.62    -85.83                                   
REMARK 500    GLN A  42       98.72    -61.92                                   
REMARK 500    LYS A  50      -95.03     41.75                                   
REMARK 500    LYS A  51      177.24     51.74                                   
REMARK 500    PRO A  52      -81.03    -77.45                                   
REMARK 500    ALA A  53      -38.92     81.93                                   
REMARK 500    LEU A  54      110.99     67.47                                   
REMARK 500    SER A  55      -43.50     83.60                                   
REMARK 500    ASP A  56     -168.16     68.46                                   
REMARK 500    ASN A  59       64.05   -164.64                                   
REMARK 500    GLN A  66      -36.92   -147.92                                   
REMARK 500    ASP A  73      115.00   -160.49                                   
REMARK 500    PHE A  77     -167.28    -53.64                                   
REMARK 500    GLU A  78      -93.38   -132.98                                   
REMARK 500    ASN A  79       44.69    -91.17                                   
REMARK 500    LYS A  84      162.99    -41.21                                   
REMARK 500    VAL A  86       49.21    -89.00                                   
REMARK 500    ASN A  88       15.46   -155.26                                   
REMARK 500    CYS A  97       57.35   -153.84                                   
REMARK 500    GLU A  98       97.83    -37.24                                   
REMARK 500    ILE A  99      -69.10   -150.22                                   
REMARK 500    ALA A 116      112.60    -33.49                                   
REMARK 500    LEU A 117      -74.66    -51.53                                   
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    ARG A  16         0.27    SIDE CHAIN                              
REMARK 500    ARG A  18         0.14    SIDE CHAIN                              
REMARK 500    ARG A  25         0.21    SIDE CHAIN                              
REMARK 500    ARG A  40         0.31    SIDE CHAIN                              
REMARK 500    ARG A  41         0.28    SIDE CHAIN                              
REMARK 500    ARG A  49         0.31    SIDE CHAIN                              
REMARK 500    ARG A 119         0.27    SIDE CHAIN                              
REMARK 500                                                                      
REMARK 500 REMARK: NULL                                                         
REMARK 620                                                                      
REMARK 620 METAL COORDINATION                                                   
REMARK 620 (M=MODEL NUMBER; RES=RESIDUE NAME; C=CHAIN IDENTIFIER;               
REMARK 620 SSEQ=SEQUENCE NUMBER; I=INSERTION CODE):                             
REMARK 620                                                                      
REMARK 620 COORDINATION ANGLES FOR:  M RES CSSEQI METAL                         
REMARK 620                              ZN A 124  ZN                            
REMARK 620 N RES CSSEQI ATOM                                                    
REMARK 620 1 CYS A  23   SG                                                     
REMARK 620 2 CYS A  26   SG  109.4                                              
REMARK 620 3 CYS A  94   SG  109.2 109.7                                        
REMARK 620 4 CYS A  97   SG  109.6 109.3 109.6                                  
REMARK 620 N                    1     2     3                                   
REMARK 800                                                                      
REMARK 800 SITE                                                                 
REMARK 800 SITE_IDENTIFIER: AC1                                                 
REMARK 800 EVIDENCE_CODE: SOFTWARE                                              
REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE ZN A 124                  
DBREF  1FWQ A    1   123  UNP    P47224   MSS4_HUMAN       1    123             
SEQRES   1 A  123  MET GLU PRO ALA ASP GLU PRO SER GLU LEU VAL SER ALA          
SEQRES   2 A  123  GLU GLY ARG ASN ARG LYS ALA VAL LEU CYS GLN ARG CYS          
SEQRES   3 A  123  GLY SER ARG VAL LEU GLN PRO GLY THR ALA LEU PHE SER          
SEQRES   4 A  123  ARG ARG GLN LEU PHE LEU PRO SER MET ARG LYS LYS PRO          
SEQRES   5 A  123  ALA LEU SER ASP GLY SER ASN PRO ASP GLY ASP LEU LEU          
SEQRES   6 A  123  GLN GLU HIS TRP LEU VAL GLU ASP MET PHE ILE PHE GLU          
SEQRES   7 A  123  ASN VAL GLY PHE THR LYS ASP VAL GLY ASN ILE LYS PHE          
SEQRES   8 A  123  LEU VAL CYS ALA ASP CYS GLU ILE GLY PRO ILE GLY TRP          
SEQRES   9 A  123  HIS CYS LEU ASP ASP LYS ASN SER PHE TYR VAL ALA LEU          
SEQRES  10 A  123  GLU ARG VAL SER HIS GLU                                      
HET     ZN  A 124       1                                                       
HETNAM      ZN ZINC ION                                                         
FORMUL   2   ZN    ZN 2+                                                        
HELIX    1   1 ASP A   73  PHE A   77  5                                   5    
SHEET    1   A 3 SER A  28  LEU A  31  0                                        
SHEET    2   A 3 ALA A  20  CYS A  23 -1  O  VAL A  21   N  VAL A  30           
SHEET    3   A 3 SER A 121  GLU A 123 -1  N  SER A 121   O  LEU A  22           
SHEET    1   B 2 LEU A  37  PHE A  38  0                                        
SHEET    2   B 2 TRP A  69  LEU A  70 -1  O  LEU A  70   N  LEU A  37           
SHEET    1   C 2 LEU A  43  LEU A  45  0                                        
SHEET    2   C 2 ASP A  63  LEU A  65 -1  O  ASP A  63   N  LEU A  45           
SHEET    1   D 3 ILE A  89  LEU A  92  0                                        
SHEET    2   D 3 GLY A 103  CYS A 106 -1  O  GLY A 103   N  LEU A  92           
SHEET    3   D 3 TYR A 114  VAL A 115 -1  O  TYR A 114   N  TRP A 104           
LINK         SG  CYS A  23                ZN    ZN A 124     1555   1555  2.30  
LINK         SG  CYS A  26                ZN    ZN A 124     1555   1555  2.30  
LINK         SG  CYS A  94                ZN    ZN A 124     1555   1555  2.30  
LINK         SG  CYS A  97                ZN    ZN A 124     1555   1555  2.30  
CISPEP   1 GLY A  100    PRO A  101          0         0.53                     
SITE     1 AC1  4 CYS A  23  CYS A  26  CYS A  94  CYS A  97                    
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