Your Query returns 6 Accession Numbers:

Query TermAccessionNCBI TaxonidSynonymsPhenotype (OMIM) *
B*40NAF0022749606HLA-B   
B*40NAH0054579606HLA-B   
B*40NAH0054579606HLA-B   
B*40NAF0022689606HLA-B   
B*40NAF0022699606HLA-B   
B*40NAF0173189606HLA-B   

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

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Text2Knowledge ... Yong Huang 2002