Your Query returns 3 Accession Numbers:

Query TermAccessionNCBI TaxonidSynonymsPhenotype (OMIM) *
Marc1NM_01281610116Amacr   
marC1AE017134229193
marC1NC_005810229193

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

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Text2Knowledge ... Yong Huang 2002