Your Query returns 15 Accession Numbers:

Query TermAccessionNCBI TaxonidSynonymsPhenotype (OMIM) *
HLA-B*07021 variantAH0133719606HLA-B   
HLA-B*07021 variantAY3303279606HLA-B   
HLA-B*07021 variantAY3303289606HLA-B   
HLA-B*07021 variantAH0095879606HLA-B   
HLA-B*07021 variantAF2791139606HLA-B   
HLA-B*07021 variantAF2791149606HLA-B   
HLA-B*07021 variantAH0112179606HLA-B   
HLA-B*07021 variantAF4432859606HLA-B   
HLA-B*07021 variantAF4432869606HLA-B   
HLA-B*07021 variantAH0108029606HLA-B   
HLA-B*07021 variantAY0348069606HLA-B   
HLA-B*07021 variantAY0348079606HLA-B   
HLA-B*07021 variantAH0108049606HLA-B   
HLA-B*07021 variantAY0348109606HLA-B   
HLA-B*07021 variantAY0348119606HLA-B   

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

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Text2Knowledge ... Yong Huang 2002