PDB Short entry for 1IW4
HEADER    PROTEIN BINDING                         19-APR-02   1IW4              
TITLE     SOLUTION STRUCTURE OF ASCIDIAN TRYPSIN INHIBITOR                      
COMPND    MOL_ID: 1;                                                            
COMPND   2 MOLECULE: TRYPSIN INHIBITOR;                                         
COMPND   3 CHAIN: A                                                             
SOURCE    MOL_ID: 1;                                                            
SOURCE   2 ORGANISM_SCIENTIFIC: HALOCYNTHIA RORETZI;                            
SOURCE   3 ORGANISM_TAXID: 7729                                                 
KEYWDS    SOLUTION STRUCTURE, ASCIDIAN, TRYPSIN INHIBITOR, CYSTINE-STABILIZED   
KEYWDS   2 ALPHA-HELICAL MOTIF, DISULFIDE BOND, KAZAL-TYPE INHIBITOR, PROTEIN   
KEYWDS   3 BINDING                                                              
EXPDTA    SOLUTION NMR                                                          
NUMMDL    20                                                                    
AUTHOR    H.HEMMI,T.YOSHIDA,T.KUMAZAKI,N.NEMOTO,J.HASEGAWA,F.NISHIOKA,          
AUTHOR   2 Y.KYOGOKU,H.YOKOSAWA,Y.KOBAYASHI                                     
REVDAT   3   26-FEB-20 1IW4    1       REMARK                                   
REVDAT   2   24-FEB-09 1IW4    1       VERSN                                    
REVDAT   1   28-AUG-02 1IW4    0                                                
JRNL        AUTH   H.HEMMI,T.YOSHIDA,T.KUMAZAKI,N.NEMOTO,J.HASEGAWA,F.NISHIOKA, 
JRNL        AUTH 2 Y.KYOGOKU,H.YOKOSAWA,Y.KOBAYASHI                             
JRNL        TITL   SOLUTION STRUCTURE OF ASCIDIAN TRYPSIN INHIBITOR DETERMINED  
JRNL        TITL 2 BY NUCLEAR MAGNETIC RESONANCE SPECTROSCOPY.                  
JRNL        REF    BIOCHEMISTRY                  V.  41 10657 2002              
JRNL        REFN                   ISSN 0006-2960                               
JRNL        PMID   12186551                                                     
JRNL        DOI    10.1021/BI026035O                                            
REMARK   2                                                                      
REMARK   2 RESOLUTION. NOT APPLICABLE.                                          
REMARK   3                                                                      
REMARK   3 REFINEMENT.                                                          
REMARK   3   PROGRAM     : XWINNMR 2.6, CNS 1.0                                 
REMARK   3   AUTHORS     : BRUKER (XWINNMR), BRUNGER (CNS)                      
REMARK   3                                                                      
REMARK   3  OTHER REFINEMENT REMARKS: NULL                                      
REMARK   4                                                                      
REMARK   4 1IW4 COMPLIES WITH FORMAT V. 3.15, 01-DEC-08                         
REMARK 100                                                                      
REMARK 100 THIS ENTRY HAS BEEN PROCESSED BY PDBJ ON 22-APR-02.                  
REMARK 100 THE DEPOSITION ID IS D_1000005328.                                   
REMARK 210                                                                      
REMARK 210 EXPERIMENTAL DETAILS                                                 
REMARK 210  EXPERIMENT TYPE                : NMR                                
REMARK 210  TEMPERATURE           (KELVIN) : 303; 303                           
REMARK 210  PH                             : 3.7; 3.7                           
REMARK 210  IONIC STRENGTH                 : NULL; NULL                         
REMARK 210  PRESSURE                       : AMBIENT; AMBIENT                   
REMARK 210  SAMPLE CONTENTS                : 1.5-2.0MM ASCIDIAN TRYPSIN         
REMARK 210                                   INHIBITOR; 90% H2O, 10% D2O; 1.5-  
REMARK 210                                   2.0MM ASCIDIAN TRYPSIN INHIBITOR;  
REMARK 210                                   D2O                                
REMARK 210                                                                      
REMARK 210  NMR EXPERIMENTS CONDUCTED      : NOESY; DQF-COSY; E-COSY; TOCSY     
REMARK 210  SPECTROMETER FIELD STRENGTH    : 500 MHZ; 600 MHZ; 750 MHZ          
REMARK 210  SPECTROMETER MODEL             : AVANCE; DRX; DMX                   
REMARK 210  SPECTROMETER MANUFACTURER      : BRUKER; JEOL                       
REMARK 210                                                                      
REMARK 210  STRUCTURE DETERMINATION.                                            
REMARK 210   SOFTWARE USED                 : NMRPIPE 2.1, NMRPIPP 4.3.2         
REMARK 210   METHOD USED                   : SIMULATED ANNEALING                
REMARK 210                                                                      
REMARK 210 CONFORMERS, NUMBER CALCULATED   : 100                                
REMARK 210 CONFORMERS, NUMBER SUBMITTED    : 20                                 
REMARK 210 CONFORMERS, SELECTION CRITERIA  : STRUCTURES WITH THE LOWEST         
REMARK 210                                   ENERGY                             
REMARK 210                                                                      
REMARK 210 BEST REPRESENTATIVE CONFORMER IN THIS ENSEMBLE : 1                   
REMARK 210                                                                      
REMARK 210 REMARK: THE STRUCTURE WAS DETERMINED USING STANDARD 2D HOMONUCLEAR   
REMARK 210  TECHNIQUES.                                                         
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    ASN A    15     N    MET A    17              2.00            
REMARK 500   O    LEU A    11     N    ARG A    13              2.01            
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 HIS A   2       84.64    -69.58                                   
REMARK 500  1 GLU A   7       78.05    -42.07                                   
REMARK 500  1 PHE A   8     -147.67   -160.68                                   
REMARK 500  1 ASN A   9      -71.28    -69.11                                   
REMARK 500  1 LEU A  11      171.42    -47.84                                   
REMARK 500  1 CYS A  12       62.98    -28.00                                   
REMARK 500  1 ARG A  13       41.48    -92.38                                   
REMARK 500  1 LYS A  16       57.49    -20.44                                   
REMARK 500  1 MET A  17       78.58    -65.09                                   
REMARK 500  1 LEU A  18       59.39   -170.87                                   
REMARK 500  1 ASP A  20      178.25    -54.43                                   
REMARK 500  1 LEU A  21       66.11   -170.35                                   
REMARK 500  1 ASP A  28       24.22   -154.08                                   
REMARK 500  2 HIS A   2       52.39   -114.91                                   
REMARK 500  2 THR A   6     -116.85    -61.16                                   
REMARK 500  2 GLU A   7       26.38    179.37                                   
REMARK 500  2 PRO A  10       87.58    -67.06                                   
REMARK 500  2 LEU A  11     -167.97    -47.81                                   
REMARK 500  2 CYS A  12       60.71    -17.79                                   
REMARK 500  2 ARG A  13       42.85    -98.22                                   
REMARK 500  2 LYS A  16       58.21    -19.45                                   
REMARK 500  2 LEU A  18       59.18   -162.65                                   
REMARK 500  2 ASP A  28       23.59   -152.47                                   
REMARK 500  2 PHE A  47     -122.87    -61.92                                   
REMARK 500  2 CYS A  54      -73.03   -164.16                                   
REMARK 500  3 HIS A   2       72.48    -69.83                                   
REMARK 500  3 MET A   3      103.49   -170.87                                   
REMARK 500  3 ASP A   4       30.79    179.54                                   
REMARK 500  3 THR A   6     -124.33    -62.14                                   
REMARK 500  3 GLU A   7       24.56    179.13                                   
REMARK 500  3 PRO A  10       71.85    -66.92                                   
REMARK 500  3 LEU A  11     -170.62    -54.78                                   
REMARK 500  3 CYS A  12       65.85    -17.97                                   
REMARK 500  3 ARG A  13       30.69    -80.37                                   
REMARK 500  3 ASN A  15      -53.40   -160.71                                   
REMARK 500  3 LYS A  16       57.75    -19.71                                   
REMARK 500  3 LEU A  18       63.25   -171.18                                   
REMARK 500  3 ASP A  28       24.28   -154.91                                   
REMARK 500  3 PHE A  47      167.21    -48.82                                   
REMARK 500  3 CYS A  54      -36.66    177.06                                   
REMARK 500  4 MET A   3      -62.46   -171.85                                   
REMARK 500  4 ASP A   4      118.10    -23.70                                   
REMARK 500  4 CYS A   5     -159.70   -160.67                                   
REMARK 500  4 GLU A   7       89.81    -34.63                                   
REMARK 500  4 PHE A   8     -155.80   -160.02                                   
REMARK 500  4 LEU A  11      179.59    -57.03                                   
REMARK 500  4 CYS A  12       63.18    -37.18                                   
REMARK 500  4 ARG A  13       41.53    -91.88                                   
REMARK 500  4 ASN A  15      -73.45   -104.09                                   
REMARK 500  4 MET A  17      142.15    -19.75                                   
REMARK 500                                                                      
REMARK 500 THIS ENTRY HAS     292 RAMACHANDRAN OUTLIERS.                        
REMARK 500                                                                      
REMARK 500 REMARK: NULL                                                         
REMARK 900                                                                      
REMARK 900 RELATED ENTRIES                                                      
REMARK 900 RELATED ID: 5348   RELATED DB: BMRB                                  
REMARK 900 5348 IS CHEMICAL SHIFTS OF THIS PROTEIN                              
DBREF  1IW4 A    1    55  UNP    P16589   ITRP_HALRO       1     55             
SEQRES   1 A   55  ALA HIS MET ASP CYS THR GLU PHE ASN PRO LEU CYS ARG          
SEQRES   2 A   55  CYS ASN LYS MET LEU GLY ASP LEU ILE CYS ALA VAL ILE          
SEQRES   3 A   55  GLY ASP ALA LYS GLU GLU HIS ARG ASN MET CYS ALA LEU          
SEQRES   4 A   55  CYS CYS GLU HIS PRO GLY GLY PHE GLU TYR SER ASN GLY          
SEQRES   5 A   55  PRO CYS GLU                                                  
HELIX    1   1 ASN A   35  HIS A   43  1                                   9    
SHEET    1   A 3 GLU A  31  HIS A  33  0                                        
SHEET    2   A 3 ILE A  22  VAL A  25 -1  N  ALA A  24   O  GLU A  31           
SHEET    3   A 3 GLU A  48  TYR A  49 -1  O  GLU A  48   N  VAL A  25           
SSBOND   1 CYS A    5    CYS A   40                          1555   1555  2.03  
SSBOND   2 CYS A   12    CYS A   41                          1555   1555  2.02  
SSBOND   3 CYS A   14    CYS A   37                          1555   1555  2.03  
SSBOND   4 CYS A   23    CYS A   54                          1555   1555  2.03  
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