Your Query returns 6 Accession Numbers:

Query TermAccessionNCBI TaxonidSynonymsPhenotype (OMIM) *
HLA-B*27AH0075579606HLA-B   
HLA-B*27AF1102569606HLA-B   
HLA-B*27AF1102579606HLA-B   
HLA-B*27AF1102589606HLA-B   
HLA-B*27AJ5051299606
HLA-B*27AJ2929719606

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* OMIM link based on symbol match for human and mouse.

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