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(-) Description

Title :  STAPHYLOCOCCAL ENTEROTOXIN B
 
Authors :  A. C. Papageorgiou, K. R. Acharya
Date :  26 Nov 97  (Deposition) - 27 May 98  (Release) - 24 Feb 09  (Revision)
Method :  X-RAY DIFFRACTION
Resolution :  1.48
Chains :  Asym./Biol. Unit :  A
Keywords :  Toxin, Superantigen, Enterotoxin (Keyword Search: [Gene Ontology, PubMed, Web (Google)] )
 
Reference :  A. C. Papageorgiou, H. S. Tranter, K. R. Acharya
Crystal Structure Of Microbial Superantigen Staphylococcal Enterotoxin B At 1. 5 A Resolution: Implications For Superantigen Recognition By Mhc Class Ii Molecules And T-Cell Receptors.
J. Mol. Biol. V. 277 61 1998
PubMed-ID: 9514739  |  Reference-DOI: 10.1006/JMBI.1997.1577
(for further references see the PDB file header)

(-) Compounds

Molecule 1 - STAPHYLOCOCCAL ENTEROTOXIN B
    Chains: A
    Organism Scientific: STAPHYLOCOCCUS AUREUS
    Organism Taxid: 1280
    Synonym: SEB

 Structural Features

(-) Chains, Units

  1
Asymmetric/Biological Unit : A

Summary Information (see also Sequences/Alignments below)

(-) Ligands, Modified Residues, Ions  (0, 0)

(no "Ligand,Modified Residues,Ions" information available for 3SEB)

(-) Sites  (0, 0)

(no "Site" information available for 3SEB)

(-) SS Bonds  (1, 1)

Asymmetric/Biological Unit
No.Residues
1A:93 -A:113

(-) Cis Peptide Bonds  (0, 0)

(no "Cis Peptide Bond" information available for 3SEB)

 Sequence-Structure Mapping

(-) SAPs(SNPs)/Variants  (0, 0)

(no "SAP(SNP)/Variant" information available for 3SEB)

(-) PROSITE Motifs  (2, 2)

Asymmetric/Biological Unit (2, 2)
 PROSITEUniProtKBPDB
No.IDACDescriptionIDLocationCountLocation
1STAPH_STREP_TOXIN_1PS00277 Staphylococcal enterotoxin/Streptococcal pyrogenic exotoxin signature 1.ETXB_STAAU142-151  1A:115-124
2STAPH_STREP_TOXIN_2PS00278 Staphyloccocal enterotoxin/Streptococcal pyrogenic exotoxin signature 2.ETXB_STAAU179-202  1A:152-175

(-) Exons   (0, 0)

(no "Exon" information available for 3SEB)

(-) Sequences/Alignments

Asymmetric/Biological Unit
   Reformat: Number of residues per line =  ('0' or empty: single-line sequence representation)
  Number of residues per labelling interval =   
  UniProt sequence: complete  aligned part    
   Show mapping: SCOP domains CATH domains Pfam domains Secondary structure (by author)
SAPs(SNPs) PROSITE motifs Exons
(details for a mapped element are shown in a popup box when the mouse pointer rests over it) 
Chain A from PDB  Type:PROTEIN  Length:238
 aligned with ETXB_STAAU | P01552 from UniProtKB/Swiss-Prot  Length:266

    Alignment length:238
                                    37        47        57        67        77        87        97       107       117       127       137       147       157       167       177       187       197       207       217       227       237       247       257        
           ETXB_STAAU    28 ESQPDPKPDELHKSSKFTGLMENMKVLYDDNHVSAINVKSIDQFLYFDLIYSIKDTKLGNYDNVRVEFKNKDLADKYKDKYVDVFGANYYYQCYFSKKTNDINSHQTDKRKTCMYGGVTEHNGNQLDKYRSITVRVFEDGKNLLSFDVQTNKKKVTAQELDYLTRHYLVKNKKLYEFNNSPYETGYIKFIENENSFWYDMMPAPGDKFDQSKYLMMYNDNKMVDSKDVKIEVYLTTKK 265
               SCOP domains d3seba1 A:1-121 Staphylococcal enterotoxin B, SEB                                                                        d3seba2 A:122-238 Staphylococcal enterotoxin B, SEB                                                                   SCOP domains
               CATH domains -3sebA02 A:2-31,A:128-231      3sebA01 A:32-121  [code=2.40.50.110, no name defined]                                     ------3sebA02 A:2-31,A:128-231  [code=3.10.20.120, no name defined]                                           ------- CATH domains
               Pfam domains ---------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- Pfam domains
         Sec.struct. author .............hhh....hhhhhhhh....eee............eeee...........eeeee...hhhhhhh....eeeee........................eeeee..eee.........eeeeeeeee..eeeeeeeeee...eeehhhhhhhhhhhhhhhh.........eeeeeeeeee..eeeeee..........hhhhhhhhhh..eee...eeeeeeeee.. Sec.struct. author
                 SAPs(SNPs) ---------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- SAPs(SNPs)
                    PROSITE ------------------------------------------------------------------------------------------------------------------STAPH_STRE---------------------------STAPH_STREP_TOXIN_2     --------------------------------------------------------------- PROSITE
                 Transcript ---------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- Transcript
                 3seb A   1 ESQPDPKPDELHKSSKFTGLMENMKVLYDDNHVSAINVKSIDQFLYFDLIYSIKDTKLGNYDNVRVEFKNKDLADKYKDKYVDVFGANYYYQCYFSKKTNDINSHQTDKRKTCMYGGVTEHNGNQLDKYRSITVRVFEDGKNLLSFDVQTNKKKVTAQELDYLTRHYLVKNKKLYEFNNSPYETGYIKFIENENSFWYDMMPAPGDKFDQSKYLMMYNDNKMVDSKDVKIEVYLTTKK 238
                                    10        20        30        40        50        60        70        80        90       100       110       120       130       140       150       160       170       180       190       200       210       220       230
   Legend:   → Mismatch (orange background)
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  x → Chemical Group (purple background, 'x', labelled with number + name, e.g. ACE or NH2)
  extra numbering lines below/above indicate numbering irregularities and modified residue names etc., number ends below/above '|'

 Classification and Annotation

(-) SCOP Domains  (2, 2)

Asymmetric/Biological Unit
(-)
Class: All beta proteins (24004)
(-)
Class: Alpha and beta proteins (a+b) (23004)

(-) CATH Domains  (2, 2)

Asymmetric/Biological Unit
(-)
Class: Alpha Beta (26913)
(-)
Class: Mainly Beta (13760)

(-) Pfam Domains  (0, 0)

(no "Pfam Domain" information available for 3SEB)

(-) Gene Ontology  (2, 2)

Asymmetric/Biological Unit(hide GO term definitions)
Chain A   (ETXB_STAAU | P01552)
biological process
    GO:0009405    pathogenesis    The set of specific processes that generate the ability of an organism to induce an abnormal, generally detrimental state in another organism.
cellular component
    GO:0005576    extracellular region    The space external to the outermost structure of a cell. For cells without external protective or external encapsulating structures this refers to space outside of the plasma membrane. This term covers the host cell environment outside an intracellular parasite.

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 Related Entries

(-) Entries Sharing at Least One Protein Chain (UniProt ID)

UniProtKB/Swiss-Prot
        ETXB_STAAU | P01552: 1d5m 1d5x 1d5z 1d6e 1goz 1sbb 1se3 1se4 1seb 2seb 3gp7 3r8b 3w2d 4c56 4rgm 4rgn 4rgo

(-) Related Entries Specified in the PDB File

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