Your Query returns 3 Accession Numbers:

Query TermAccessionNCBI TaxonidSynonymsPhenotype (OMIM) *
MGC6545NM_14556910090D630045P18Rik    Mat2a   
MGC6545BC00345110090Mat2a   
MGC6545BC05836010090Mat2a   

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

Google

Text2Knowledge ... Yong Huang 2002