| Literature DB >> 3309677 |
P J Bjorkman1, M A Saper, B Samraoui, W S Bennett, J L Strominger, D C Wiley.
Abstract
The class I histocompatibility antigen from human cell membranes has two structural motifs: the membrane-proximal end of the glycoprotein contains two domains with immunoglobulin-folds that are paired in a novel manner, and the region distal from the membrane is a platform of eight antiparallel beta-strands topped by alpha-helices. A large groove between the alpha-helices provides a binding site for processed foreign antigens. An unknown 'antigen' is found in this site in crystals of purified HLA-A2.Entities:
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Year: 1987 PMID: 3309677 DOI: 10.1038/329506a0
Source DB: PubMed Journal: Nature ISSN: 0028-0836 Impact factor: 49.962