Your Query returns 3 Accession Numbers:

Query TermAccessionNCBI TaxonidSynonymsPhenotype (OMIM) *
Sema6A-1NM_01874410090VIa    sema    Semaq    A730020P05Rik    Sema6a   
Sema6A-1BC05923810090VIa    sema    A730020P05Rik    Sema6a   
Sema6A-1BC06297910090VIa    sema    A730020P05Rik    Sema6a   

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

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Text2Knowledge ... Yong Huang 2002