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Database: PDB
Entry: 2K2S
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Original site: 2K2S 
HEADER    CELL ADHESION                           11-APR-08   2K2S              
TITLE     STRUCTURE OF THE MIC1-GLD/MIC6-EGF COMPLEX FROM TOXOPLASMA GONDII     
COMPND    MOL_ID: 1;                                                            
COMPND   2 MOLECULE: MICRONEMAL PROTEIN 1;                                      
COMPND   3 CHAIN: A;                                                            
COMPND   4 FRAGMENT: GALECTIN-LIKE DOMAIN (UNP RESIDUES 320-455);               
COMPND   5 ENGINEERED: YES;                                                     
COMPND   6 MOL_ID: 2;                                                           
COMPND   7 MOLECULE: MICRONEMAL PROTEIN 6;                                      
COMPND   8 CHAIN: B;                                                            
COMPND   9 FRAGMENT: EGF-LIKE DOMAIN (UNP RESIDUES 87-147);                     
COMPND  10 ENGINEERED: YES                                                      
SOURCE    MOL_ID: 1;                                                            
SOURCE   2 ORGANISM_SCIENTIFIC: TOXOPLASMA GONDII;                              
SOURCE   3 ORGANISM_TAXID: 5811;                                                
SOURCE   4 GENE: MIC1;                                                          
SOURCE   5 EXPRESSION_SYSTEM: ESCHERICHIA COLI;                                 
SOURCE   6 EXPRESSION_SYSTEM_TAXID: 562;                                        
SOURCE   7 EXPRESSION_SYSTEM_VECTOR_TYPE: PLASMID;                              
SOURCE   8 EXPRESSION_SYSTEM_VECTOR: PET30;                                     
SOURCE   9 MOL_ID: 2;                                                           
SOURCE  10 ORGANISM_SCIENTIFIC: TOXOPLASMA GONDII;                              
SOURCE  11 ORGANISM_TAXID: 5811;                                                
SOURCE  12 GENE: MIC6;                                                          
SOURCE  13 EXPRESSION_SYSTEM: ESCHERICHIA COLI;                                 
SOURCE  14 EXPRESSION_SYSTEM_TAXID: 562;                                        
SOURCE  15 EXPRESSION_SYSTEM_VECTOR_TYPE: PLASMID;                              
SOURCE  16 EXPRESSION_SYSTEM_VECTOR: PET32                                      
KEYWDS    MICRONEME PROTEIN COMPLEX, CELL ADHESION, CYTOPLASMIC VESICLE,        
KEYWDS   2 LECTIN, VIRULENCE, EGF-LIKE DOMAIN, MEMBRANE, TRANSMEMBRANE          
EXPDTA    SOLUTION NMR                                                          
AUTHOR    S.MATTHEWS                                                            
REVDAT   2   27-JUL-11 2K2S    1       REMARK                                   
REVDAT   1   24-FEB-09 2K2S    0                                                
JRNL        AUTH   K.SAWMYNADEN,S.SAOUROS,N.FRIEDRICH,J.MARCHANT,P.SIMPSON,     
JRNL        AUTH 2 B.BLEIJLEVENS,M.J.BLACKMAN,D.SOLDATI-FAVRE,S.MATTHEWS        
JRNL        TITL   STRUCTURAL INSIGHTS INTO MICRONEME PROTEIN ASSEMBLY REVEAL A 
JRNL        TITL 2 NEW MODE OF EGF DOMAIN RECOGNITION                           
JRNL        REF    EMBO REP.                     V.   9  1149 2008              
JRNL        REFN                   ISSN 1469-221X                               
JRNL        PMID   18818666                                                     
JRNL        DOI    10.1038/EMBOR.2008.179                                       
REMARK   2                                                                      
REMARK   2 RESOLUTION. NOT APPLICABLE.                                          
REMARK   3                                                                      
REMARK   3 REFINEMENT.                                                          
REMARK   3   PROGRAM     : CNS                                                  
REMARK   3   AUTHORS     : BRUNGER,ADAMS,CLORE,DELANO,GROS,GROSSE-KUNSTLEVE,    
REMARK   3  JIANG,KUSZEWSKI,NILGES,PANNU,READ,RICE,SIMONSON,WARREN              
REMARK   3                                                                      
REMARK   3  OTHER REFINEMENT REMARKS: NULL                                      
REMARK   4                                                                      
REMARK   4 2K2S COMPLIES WITH FORMAT V. 3.30, 13-JUL-11                         
REMARK 100                                                                      
REMARK 100 THIS ENTRY HAS BEEN PROCESSED BY RCSB ON 15-APR-08.                  
REMARK 100 THE RCSB ID CODE IS RCSB100603.                                      
REMARK 210                                                                      
REMARK 210 EXPERIMENTAL DETAILS                                                 
REMARK 210  EXPERIMENT TYPE                : NMR                                
REMARK 210  TEMPERATURE           (KELVIN) : 303                                
REMARK 210  PH                             : 6.8                                
REMARK 210  IONIC STRENGTH                 : 0.075                              
REMARK 210  PRESSURE                       : AMBIENT                            
REMARK 210  SAMPLE CONTENTS                : 0.5 MM [U-13C; U-15N] MIC1, 0.5    
REMARK 210                                   MM MIC6, 90% H2O/10% D2O; 0.5 MM   
REMARK 210                                   [U-13C; U-15N] MIC6, 0.5 MM MIC1,  
REMARK 210                                   90% H2O/10% D2O                    
REMARK 210                                                                      
REMARK 210  NMR EXPERIMENTS CONDUCTED      : 3D 1H-15N NOESY; 3D 1H-13C         
REMARK 210                                   NOESY; (12C, 14N)H-NOESY-13C-HSQC  
REMARK 210  SPECTROMETER FIELD STRENGTH    : 500 MHZ; 800 MHZ                   
REMARK 210  SPECTROMETER MODEL             : DRX                                
REMARK 210  SPECTROMETER MANUFACTURER      : BRUKER                             
REMARK 210                                                                      
REMARK 210  STRUCTURE DETERMINATION.                                            
REMARK 210   SOFTWARE USED                 : ARIA 2.1                           
REMARK 210   METHOD USED                   : SIMULATED ANNEALING                
REMARK 210                                                                      
REMARK 210 CONFORMERS, NUMBER CALCULATED   : 40                                 
REMARK 210 CONFORMERS, NUMBER SUBMITTED    : 1                                  
REMARK 210 CONFORMERS, SELECTION CRITERIA  : STRUCTURES WITH THE LOWEST ENERGY  
REMARK 210                                                                      
REMARK 210 BEST REPRESENTATIVE CONFORMER IN THIS ENSEMBLE : 1                   
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: DIMERIC                           
REMARK 350 APPLY THE FOLLOWING TO CHAINS: A, B                                  
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 B     1                                                      
REMARK 465     ALA B     2                                                      
REMARK 465     ASN B     3                                                      
REMARK 465     PHE B     4                                                      
REMARK 465     VAL B     5                                                      
REMARK 465     GLN B     6                                                      
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  HD13  LEU A    38     HH   TYR A    99              1.37            
REMARK 500   HB   VAL A   135     H    ALA B    13              1.38            
REMARK 500   H    GLU A   130     HA   ASP B    47              1.39            
REMARK 500   HB3  PRO A   132    HG21  THR B    49              1.39            
REMARK 500   HE1  HIS A    36    HG21  VAL A    83              1.41            
REMARK 500   HB   THR A    72     HB   VAL A    84              1.46            
REMARK 500  HG11  VAL A    84     HB   ILE B    44              1.46            
REMARK 500   HA   THR A    88    HD12  LEU A    94              1.46            
REMARK 500  HG21  THR A    51    HG13  VAL A   101              1.52            
REMARK 500   HB2  PHE A    46    HG13  VAL A    59              1.55            
REMARK 500   HB1  ALA A    98    HG21  ILE B    44              1.56            
REMARK 500   HA   GLU A     3    HG21  THR A   122              1.56            
REMARK 500   O    SER A    96     H    CYS B    38              1.57            
REMARK 500   HZ3  LYS A    78     OD1  ASP A   103              1.58            
REMARK 500  HG23  ILE A     4     HB   THR A     9              1.59            
REMARK 500   H    GLU A   102     O    SER B    32              1.59            
REMARK 500  HE21  GLN A    50     HB2  SER A    55              1.59            
REMARK 500   O    THR A     2     H    LEU A   123              1.59            
REMARK 500  HG12  VAL A   100    HG21  VAL B    52              1.60            
REMARK 500   O    LYS B    28     H    ILE B    35              1.60            
REMARK 500   HB3  ALA A    93     HG3  GLN B    40              1.60            
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    LYS A  27       71.32   -170.96                                   
REMARK 500    SER A  34      -71.53   -173.87                                   
REMARK 500    CYS A  35      106.39   -161.35                                   
REMARK 500    HIS A  36      136.67   -175.03                                   
REMARK 500    SER A  53      -75.46    -74.24                                   
REMARK 500    GLU A  64       79.99     59.86                                   
REMARK 500    HIS A  77      -63.35   -159.69                                   
REMARK 500    LYS A  78      -50.31    176.58                                   
REMARK 500    ASN A  91       40.18    -92.73                                   
REMARK 500    SER A 109       86.17     63.83                                   
REMARK 500    SER A 131       97.70     82.51                                   
REMARK 500    THR A 133      114.41   -175.29                                   
REMARK 500    GLU B   9      -63.61   -131.10                                   
REMARK 500    ALA B  13      -78.31    -46.27                                   
REMARK 500    ASN B  17       71.28     79.12                                   
REMARK 500    PRO B  18      -61.24    -91.19                                   
REMARK 500    CYS B  19       31.52    -86.75                                   
REMARK 500    PRO B  21     -172.25    -68.80                                   
REMARK 500    THR B  30     -166.48   -115.70                                   
REMARK 500    GLN B  58      -49.23   -138.00                                   
REMARK 500    GLU B  59      113.57    164.25                                   
REMARK 500                                                                      
REMARK 500 REMARK: NULL                                                         
REMARK 900                                                                      
REMARK 900 RELATED ENTRIES                                                      
REMARK 900 RELATED ID: 15692   RELATED DB: BMRB                                 
REMARK 900 ASSIGNMENTS                                                          
REMARK 900 RELATED ID: 2K2T   RELATED DB: PDB                                   
DBREF  2K2S A    1   136  UNP    O00834   MIC1_TOXGO     320    455             
DBREF  2K2S B    1    61  UNP    Q9XYH7   MIC6_TOXGO      87    147             
SEQRES   1 A  136  LYS THR GLU ILE HIS GLY ASP SER THR LYS ALA THR LEU          
SEQRES   2 A  136  GLU GLU GLY GLN GLN LEU THR LEU THR PHE ILE SER THR          
SEQRES   3 A  136  LYS LEU ASP VAL ALA VAL GLY SER CYS HIS SER LEU VAL          
SEQRES   4 A  136  ALA ASN PHE LEU ASP GLY PHE LEU LYS PHE GLN THR GLY          
SEQRES   5 A  136  SER ASN SER ALA PHE ASP VAL VAL GLU VAL GLU GLU PRO          
SEQRES   6 A  136  ALA GLY PRO ALA VAL LEU THR ILE GLY LEU GLY HIS LYS          
SEQRES   7 A  136  GLY ARG LEU ALA VAL VAL LEU ASP TYR THR ARG LEU ASN          
SEQRES   8 A  136  ALA ALA LEU GLY SER ALA ALA TYR VAL VAL GLU ASP SER          
SEQRES   9 A  136  GLY CYS SER SER SER GLU GLU VAL SER PHE GLN GLY VAL          
SEQRES  10 A  136  GLY SER GLY ALA THR LEU VAL VAL THR THR LEU GLY GLU          
SEQRES  11 A  136  SER PRO THR ALA VAL SER                                      
SEQRES   1 B   61  MET ALA ASN PHE VAL GLN LEU SER GLU THR PRO ALA ALA          
SEQRES   2 B   61  CYS SER SER ASN PRO CYS GLY PRO GLU ALA ALA GLY THR          
SEQRES   3 B   61  CYS LYS GLU THR ASN SER GLY TYR ILE CYS ARG CYS ASN          
SEQRES   4 B   61  GLN GLY TYR ARG ILE SER LEU ASP GLY THR GLY ASN VAL          
SEQRES   5 B   61  THR CYS ILE VAL ARG GLN GLU SER GLY                          
HELIX    1   1 ALA B   12  ASN B   17  1                                   6    
SHEET    1   A 8 THR A   2  GLU A   3  0                                        
SHEET    2   A 8 THR A 122  THR A 127 -1  O  LEU A 123   N  THR A   2           
SHEET    3   A 8 GLN A  17  ILE A  24 -1  N  THR A  20   O  VAL A 124           
SHEET    4   A 8 PRO A  65  LEU A  75 -1  O  ALA A  69   N  PHE A  23           
SHEET    5   A 8 LEU A  81  ARG A  89 -1  O  VAL A  84   N  THR A  72           
SHEET    6   A 8 ALA A  93  VAL A 101 -1  O  ALA A  97   N  LEU A  85           
SHEET    7   A 8 GLY B  33  ARG B  37 -1  O  CYS B  36   N  ALA A  98           
SHEET    8   A 8 THR B  26  GLU B  29 -1  N  LYS B  28   O  ILE B  35           
SHEET    1   B 6 SER A   8  THR A  12  0                                        
SHEET    2   B 6 GLU A 111  GLN A 115 -1  O  VAL A 112   N  ALA A  11           
SHEET    3   B 6 LEU A  28  GLY A  33 -1  N  GLY A  33   O  GLU A 111           
SHEET    4   B 6 HIS A  36  ASN A  41 -1  O  ALA A  40   N  LEU A  28           
SHEET    5   B 6 PHE A  46  GLN A  50 -1  O  GLN A  50   N  SER A  37           
SHEET    6   B 6 ASP A  58  GLU A  61 -1  O  ASP A  58   N  PHE A  49           
SHEET    1   C 2 TYR B  42  LEU B  46  0                                        
SHEET    2   C 2 VAL B  52  VAL B  56 -1  O  THR B  53   N  SER B  45           
SSBOND   1 CYS A   35    CYS A  106                          1555   1555  2.04  
SSBOND   2 CYS B   14    CYS B   27                          1555   1555  2.03  
SSBOND   3 CYS B   19    CYS B   36                          1555   1555  2.03  
SSBOND   4 CYS B   38    CYS B   54                          1555   1555  2.02  
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                         
(ATOM LINES ARE NOT SHOWN.)
END                                                                             
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