1E27:
reference: Nonstandard peptide binding revealed by crystal structures of HLA-B*5101 complexed with HIV immunodominant epitopes., Maenaka K, Maenaka T, Tomiyama H, Takiguchi M, Stuart DI, Jones EY, J Immunol 2000 Sep 15;165(6):3260-7. PMID: 10975842

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