Article
Dominant role of the ERAP1 polymorphism R528K in shaping the HLA-B27 Peptidome through differential processing determined by multiple peptide residues.
Arthritis & rheumatology (Hoboken, N.J.) - 1 Mar 2015
Sanz-Bravo Alejandro, Campos José, Mazariegos Marina S, López de Castro José A
Abstract excerpt
OBJECTIVE: To characterize the alterations, as well as their mechanisms, induced in the HLA-B27-bound peptidome expressed in live cells by the natural ERAP1 polymorphisms predisposing to ankylosing spondylitis (AS): R528K and N575D/Q725R. METHODS: HLA-B*27:05-bound peptides were isolated from 3 human lymphoid cell lines expressing distinct ERAP1 variants differing at residues 528 and/or 575/725. The...
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