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<Asymmetric unit>
= <Biological unit>
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PDB ID2g9h  sequence information (FASTA format)   
DescriptorHLA class II histocompatibility antigen, DR alpha chain, HLA class II histocompatibility antigen, DRB1-1 beta chain, Hemagglutinin, extracellular enterotoxin type I
TitleCrystal Structure of Staphylococcal Enterotoxin I (SEI) in Complex with a Human MHC class II Molecule
Functional KeywordsImmune System, Superantigen, Zn, HLA clasII molecule
IMMUNE SYSTEM
Biological sourceHomo sapiens (human) ,Staphylococcus aureus (the details in Structural Details Page)
Cellular location [UNP - P01903] Cell membrane; Single-pass type I membrane protein
[UNP - P04664] Virion membrane; Single-pass type I membrane protein (Potential)
Organ source [UNP - P01903] Blood, and Colon
[UNP - P01903] B-cell
[UNP - P01903] Blood
[UNP - P01903] Liver
[UNP - P04229] Cerebellum
Total number of polymer chains4
Total molecular weight70570.2 (the details in Structural Details Page)
AuthorsFernandez, M.M. , Guan, R. , Malchiodi, E.L. , Mariuzza, R.A. (deposition date : 2006-03-06, release date : 2006-07-11, last modified : 2011-07-13)
Primary citationFernandez, M.M. , Guan, R. , Swaminathan, C.P. , Malchiodi, E.L. , Mariuzza, R.A.
Crystal structure of staphylococcal enterotoxin I (SEI) in complex with a human major histocompatibility complex class II molecule.
J.Biol.Chem., 281:25356 - 25364, 2006.(PubMed : 16829512)  (DOI: 10.1074/jbc.M603969200)
Experimental methodX-RAY DIFFRACTION ( 2.00[Å] )
Other Database Information
Yorodumi , CATH , FSSP , SCOP , VAST , UniProt ( P01903, P04229, P04664, O85383 ) , eF-site , PISA , wwPDB/RDF



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