HEADER    LECTIN                                  10-JUL-99   1QK7              
TITLE     SOLUTION STRUCTURE OF SELENOCOSMIA HUWENA LECTIN-I(SHL-I) BY 2D-NMR   
COMPND    MOL_ID: 1;                                                            
COMPND   2 MOLECULE: SELENOCOSMIA HUWENA LECTIN-I;                              
COMPND   3 CHAIN: A                                                             
SOURCE    MOL_ID: 1;                                                            
SOURCE   2 ORGANISM_SCIENTIFIC: SELENOCOSMIA HUWENA;                            
SOURCE   3 ORGANISM_COMMON: CHINESE BIRD SPIDER;                                
SOURCE   4 ORGANISM_TAXID: 29017;                                               
SOURCE   5 ORGAN: VENOM GLAND;                                                  
SOURCE   6 SECRETION: VENOM                                                     
KEYWDS    LECTIN, SELENOCOSMIA HUWENA, SHL-I, CYSTINE KNOT                      
EXPDTA    SOLUTION NMR                                                          
NUMMDL    20                                                                    
AUTHOR    S.LU,S.LIANG,X.GU                                                     
REVDAT   4   20-NOV-24 1QK7    1       REMARK                                   
REVDAT   3   24-FEB-09 1QK7    1       VERSN                                    
REVDAT   2   17-APR-00 1QK7    1       JRNL                                     
REVDAT   1   20-AUG-99 1QK7    0                                                
JRNL        AUTH   S.LU,S.LIANG,X.GU                                            
JRNL        TITL   THREE DIMENSIONAL STRUCTURE OF SELENOCOSMIA HUWENA LECTIN-I  
JRNL        TITL 2 (SHL-I) FROM THE VENOM OF THE SPIDER SELENOCOSMIA HUWENA BY  
JRNL        TITL 3 2D-NMR                                                       
JRNL        REF    J.PROTEIN CHEM.               V.  18   609 2000              
JRNL        REFN                   ISSN 0277-8033                               
JRNL        PMID   10524779                                                     
JRNL        DOI    10.1023/A:1020663619657                                      
REMARK   1                                                                      
REMARK   1 REFERENCE 1                                                          
REMARK   1  AUTH   S.LIANG,X.PAN                                                
REMARK   1  TITL   A LECTIN-LIKE PEPTIDE ISOLATED FROM THE VENOM OF THE CHINESE 
REMARK   1  TITL 2 BIRD SPIDER SELENOCOSMIA HUWENA                              
REMARK   1  REF    TOXICON                       V.  33   875 1995              
REMARK   1  REFN                   ISSN 0041-0101                               
REMARK   1  PMID   8588212                                                      
REMARK   1  DOI    10.1016/0041-0101(95)00033-I                                 
REMARK   2                                                                      
REMARK   2 RESOLUTION. NOT APPLICABLE.                                          
REMARK   3                                                                      
REMARK   3 REFINEMENT.                                                          
REMARK   3   PROGRAM     : X-PLOR 3.851                                         
REMARK   3   AUTHORS     : BRUNGER                                              
REMARK   3                                                                      
REMARK   3  OTHER REFINEMENT REMARKS: REQUIRE DIFFERENCES IN THE MODELS         
REMARK   4                                                                      
REMARK   4 1QK7 COMPLIES WITH FORMAT V. 3.15, 01-DEC-08                         
REMARK 100                                                                      
REMARK 100 THIS ENTRY HAS BEEN PROCESSED BY PDBE ON 10-JUL-99.                  
REMARK 100 THE DEPOSITION ID IS D_1290002801.                                   
REMARK 210                                                                      
REMARK 210 EXPERIMENTAL DETAILS                                                 
REMARK 210  EXPERIMENT TYPE                : NMR                                
REMARK 210  TEMPERATURE           (KELVIN) : 283                                
REMARK 210  PH                             : 4.5                                
REMARK 210  IONIC STRENGTH                 : 20                                 
REMARK 210  PRESSURE                       : 1 ATM                              
REMARK 210  SAMPLE CONTENTS                : 10% WATER/90% D2O                  
REMARK 210                                                                      
REMARK 210  NMR EXPERIMENTS CONDUCTED      : NOESY; TOCSY; COSY                 
REMARK 210  SPECTROMETER FIELD STRENGTH    : 600 MHZ                            
REMARK 210  SPECTROMETER MODEL             : UNITY                              
REMARK 210  SPECTROMETER MANUFACTURER      : VARIAN                             
REMARK 210                                                                      
REMARK 210  STRUCTURE DETERMINATION.                                            
REMARK 210   SOFTWARE USED                 : X-PLOR                             
REMARK 210   METHOD USED                   : DISTANCE GEOMETRY                  
REMARK 210                                                                      
REMARK 210 CONFORMERS, NUMBER CALCULATED   : 100                                
REMARK 210 CONFORMERS, NUMBER SUBMITTED    : 20                                 
REMARK 210 CONFORMERS, SELECTION CRITERIA  : STEREOCHEMICAL ENERGY AND THE      
REMARK 210                                   RESULT OF PROCHECK                 
REMARK 210                                                                      
REMARK 210 BEST REPRESENTATIVE CONFORMER IN THIS ENSEMBLE : 8                   
REMARK 210                                                                      
REMARK 210 REMARK: BEST PROCHECK RESULT. 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 400                                                                      
REMARK 400 COMPOUND                                                             
REMARK 400 THE STRUCTURE OF SHL-I CONSISTS OF A THREE STRANDED                  
REMARK 400 ANTI-PARALLEL BETA-SHEET AND THREE TURNS.THE THREE                   
REMARK 400 DISULFIDE BRIDGES AND THREE STRANDED ANTI-PARALLEL                   
REMARK 400 BETA-SHEET FORM A INHIBITOR CYSTINE KNOT MOTIF.THE                   
REMARK 400 C-TERMINAL FRAGMENT FROM LEU28 - TRP32 ADOPTS TWO SET OF             
REMARK 400 CONFORMATIONS CORRESPONDING TO THE CIS(MODELS 11-20) AND             
REMARK 400 TRANS(MODELS 1-10) CONFORMATIONS OF PRO31.                           
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 ASP A   8      -57.85   -135.45                                   
REMARK 500  1 TYR A   9      -59.21   -139.27                                   
REMARK 500  2 THR A  22      -78.71   -103.15                                   
REMARK 500  3 TYR A   9      -59.11   -154.88                                   
REMARK 500  3 THR A  22      -73.67    -55.32                                   
REMARK 500  4 ASP A   8      -59.79   -165.36                                   
REMARK 500  5 ASP A   8      -66.78   -123.28                                   
REMARK 500  5 TYR A   9      -58.93   -157.66                                   
REMARK 500  5 ASN A  10       45.53   -105.81                                   
REMARK 500  6 CYS A   2       60.98   -101.59                                   
REMARK 500  6 ASP A   8      -67.85   -125.59                                   
REMARK 500  6 TYR A   9      -58.43   -150.68                                   
REMARK 500  6 ASN A  10       42.44   -104.79                                   
REMARK 500  7 TYR A   9      -58.40   -162.24                                   
REMARK 500  7 ASN A  11      -62.13   -163.58                                   
REMARK 500  8 ASP A   8      -69.37   -122.64                                   
REMARK 500  8 TYR A   9      -55.86   -160.62                                   
REMARK 500  8 CYS A  13     -166.53    -79.79                                   
REMARK 500  9 CYS A   2       58.52   -109.73                                   
REMARK 500  9 ASP A   8      -48.84   -149.55                                   
REMARK 500  9 CYS A  13     -160.60    -79.86                                   
REMARK 500 10 CYS A   2       57.10   -101.26                                   
REMARK 500 10 ASP A   8      -45.57   -133.86                                   
REMARK 500 10 TYR A   9      -55.73   -169.91                                   
REMARK 500 11 LEU A   3       97.73    -68.80                                   
REMARK 500 11 ASP A   8      -65.91   -130.98                                   
REMARK 500 11 TYR A   9      -51.74   -164.46                                   
REMARK 500 11 ASN A  11       70.32     58.09                                   
REMARK 500 11 THR A  22      -81.60    -62.48                                   
REMARK 500 12 ASP A   8      -66.47   -106.84                                   
REMARK 500 12 TYR A   9      -60.45   -141.10                                   
REMARK 500 12 ASN A  11      -65.16   -167.35                                   
REMARK 500 13 ASP A   8      -82.64    -96.50                                   
REMARK 500 13 ASN A  11       84.19   -176.82                                   
REMARK 500 14 ASP A   8      -58.32   -137.62                                   
REMARK 500 14 TYR A   9      -53.21   -154.74                                   
REMARK 500 15 ASP A   8      -58.76   -151.04                                   
REMARK 500 15 TYR A   9      -75.05   -104.99                                   
REMARK 500 15 ALA A  29       59.59    -93.63                                   
REMARK 500 16 TYR A   9      -57.51   -146.50                                   
REMARK 500 17 TYR A   9      -67.76   -129.70                                   
REMARK 500 17 ASN A  11      -66.58   -149.45                                   
REMARK 500 17 PRO A  31     -165.30    -78.42                                   
REMARK 500 18 ASP A   8      -57.81   -131.18                                   
REMARK 500 18 TYR A   9      -60.66   -148.64                                   
REMARK 500 19 ASP A   8      -75.42   -114.83                                   
REMARK 500 19 TYR A   9      -59.48   -140.30                                   
REMARK 500 19 ASN A  11      -67.26   -165.14                                   
REMARK 500 19 THR A  22      -73.16    -57.11                                   
REMARK 500 19 ALA A  29      101.85    -59.87                                   
REMARK 500                                                                      
REMARK 500 THIS ENTRY HAS      53 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  21         0.31    SIDE CHAIN                              
REMARK 500  2 ARG A  21         0.29    SIDE CHAIN                              
REMARK 500  3 ARG A  21         0.30    SIDE CHAIN                              
REMARK 500  4 ARG A  21         0.31    SIDE CHAIN                              
REMARK 500  5 ARG A  21         0.29    SIDE CHAIN                              
REMARK 500  6 ARG A  21         0.30    SIDE CHAIN                              
REMARK 500  7 ARG A  21         0.30    SIDE CHAIN                              
REMARK 500  8 ARG A  21         0.22    SIDE CHAIN                              
REMARK 500  9 ARG A  21         0.32    SIDE CHAIN                              
REMARK 500 10 ARG A  21         0.31    SIDE CHAIN                              
REMARK 500 11 ARG A  21         0.31    SIDE CHAIN                              
REMARK 500 12 ARG A  21         0.32    SIDE CHAIN                              
REMARK 500 13 ARG A  21         0.31    SIDE CHAIN                              
REMARK 500 14 ARG A  21         0.29    SIDE CHAIN                              
REMARK 500 15 ARG A  21         0.31    SIDE CHAIN                              
REMARK 500 16 ARG A  21         0.30    SIDE CHAIN                              
REMARK 500 17 ARG A  21         0.29    SIDE CHAIN                              
REMARK 500 18 ARG A  21         0.30    SIDE CHAIN                              
REMARK 500 19 ARG A  21         0.25    SIDE CHAIN                              
REMARK 500 20 ARG A  21         0.29    SIDE CHAIN                              
REMARK 500                                                                      
REMARK 500 REMARK: NULL                                                         
REMARK 700                                                                      
REMARK 700 SHEET                                                                
REMARK 700 DETERMINATION METHOD: AUTHOR PROVIDED.                               
DBREF  1QK7 A    1    32  PDB    1QK7     1QK7             1     32             
SEQRES   1 A   32  GLY CYS LEU GLY ASP LYS CYS ASP TYR ASN ASN GLY CYS          
SEQRES   2 A   32  CYS SER GLY TYR VAL CYS SER ARG THR TRP LYS TRP CYS          
SEQRES   3 A   32  VAL LEU ALA GLY PRO TRP                                      
SHEET    1 BS1 3 ASP A   5  CYS A   7  0                                        
SHEET    2 BS1 3 TYR A  17  SER A  20  1                                        
SHEET    3 BS1 3 TRP A  25  LEU A  28 -1                                        
SSBOND   1 CYS A    2    CYS A   14                          1555   1555  2.02  
SSBOND   2 CYS A    7    CYS A   19                          1555   1555  2.02  
SSBOND   3 CYS A   13    CYS A   26                          1555   1555  2.02  
CISPEP   1 GLY A   30    PRO A   31         11        -0.13                     
CISPEP   2 GLY A   30    PRO A   31         12        -0.15                     
CISPEP   3 GLY A   30    PRO A   31         13         0.02                     
CISPEP   4 GLY A   30    PRO A   31         14        -0.49                     
CISPEP   5 GLY A   30    PRO A   31         15         0.08                     
CISPEP   6 GLY A   30    PRO A   31         16        -0.15                     
CISPEP   7 GLY A   30    PRO A   31         17        -0.26                     
CISPEP   8 GLY A   30    PRO A   31         18        -0.09                     
CISPEP   9 GLY A   30    PRO A   31         19        -0.13                     
CISPEP  10 GLY A   30    PRO A   31         20        -0.02                     
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