Your Query returns 7 Accession Numbers:

Query TermAccessionNCBI TaxonidSynonymsPhenotype (OMIM) *
MAP3K1AJ5850889823
Map3k1NM_01194510090Mekk    MEKK1    MAPKKK1    600982
Map3k1NW_04762010116
Map3k1NT_03959010090600982
MAP3K1NT_0064319606600982
MAP3K1XM_0420669606600982
Map3k1NM_05388710116Mekk1   

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

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Text2Knowledge ... Yong Huang 2002