Your Query returns 4 Accession Numbers:

Query TermAccessionNCBI TaxonidSynonymsPhenotype (OMIM) *
iga1AF012205487iga   
iga1AF369907725
IgA1AF1297699986
iga1NC_00090771421

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

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Text2Knowledge ... Yong Huang 2002