rdf:type |
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lifeskim:mentions |
|
pubmed:issue |
6
|
pubmed:dateCreated |
1996-8-26
|
pubmed:abstractText |
Polymorphic residues of HLA class II molecules influence immune activation in part by determining specific structural constraints for binding antigenic peptides. We identified a peptide from glutamic acid decarboxylase, a diabetes-associated autoantigen that preferentially bound to HLA-DQ3.2 molecules, one of the HLA determinants highly associated with insulin-dependent diabetes. We analyzed interactions of specific HLA-DQ residues with modified peptide analogues and found a pattern of permissive site-specific amino acids that accommodated allele-specific binding. Four anchor residues constrain binding to different DQ alleles; limited variation at two of these sites, residues 4 and 9, accounts for the unique pattern of peptide binding to HLA-DQ3.1 or HLA-DQ3.2.
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pubmed:grant |
|
pubmed:language |
eng
|
pubmed:journal |
|
pubmed:citationSubset |
AIM
|
pubmed:chemical |
|
pubmed:status |
MEDLINE
|
pubmed:month |
Mar
|
pubmed:issn |
0022-1767
|
pubmed:author |
|
pubmed:issnType |
Print
|
pubmed:day |
15
|
pubmed:volume |
156
|
pubmed:owner |
NLM
|
pubmed:authorsComplete |
Y
|
pubmed:pagination |
2171-7
|
pubmed:dateRevised |
2011-11-17
|
pubmed:meshHeading |
pubmed-meshheading:8690906-Alleles,
pubmed-meshheading:8690906-Amino Acid Sequence,
pubmed-meshheading:8690906-Cell Line, Transformed,
pubmed-meshheading:8690906-Diabetes Mellitus, Type 1,
pubmed-meshheading:8690906-Epitopes,
pubmed-meshheading:8690906-Glutamate Decarboxylase,
pubmed-meshheading:8690906-HLA-DQ Antigens,
pubmed-meshheading:8690906-Humans,
pubmed-meshheading:8690906-Molecular Sequence Data,
pubmed-meshheading:8690906-Peptides,
pubmed-meshheading:8690906-Polymorphism, Genetic,
pubmed-meshheading:8690906-Protein Binding,
pubmed-meshheading:8690906-Protein Conformation
|
pubmed:year |
1996
|
pubmed:articleTitle |
Allele-specific motifs characterize HLA-DQ interactions with a diabetes-associated peptide derived from glutamic acid decarboxylase.
|
pubmed:affiliation |
Virginia Mason Research Center, Seattle, WA 98101, USA.
|
pubmed:publicationType |
Journal Article,
Research Support, U.S. Gov't, P.H.S.
|