Abstract：
:Position 45 represents a highly polymorphic residue within HLA class I alleles, which contacts the p2 position of bound peptides in 85% of the peptide-HLA structures analyzed, while the neighboring residues 41 and 46 are not involved in peptide binding. To investigate the influence of residue 45 at the functional level, we sequenced peptides eluted from recombinant HLA-B*44:08(41Ala/45Met/46Ala) molecules and compared their features with known peptides from B*44:02(41Thr/45Lys/46Glu). While HLA-B*44:02 has an anchor motif of E at the p2 anchor position, HLA-B*44:08 exhibits Q and L as anchor motif. The 45(Met/Lys) polymorphism contributes to the alteration in the peptide-binding motif and provides further evidence that mismatches at position 45 should be considered as nonpermissive in a transplantation setting.
journal_name
Immunogeneticsjournal_title
Immunogeneticsauthors
Badrinath S,Huyton T,Schumacher H,Blasczyk R,Bade-Doeding Cdoi
10.1007/s00251-011-0583-zsubject
Has Abstractpub_date
2012-03-01 00:00:00pages
245-9issue
3eissn
0093-7711issn
1432-1211journal_volume
64pub_type
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