Your Query returns 4 Accession Numbers:

Query TermAccessionNCBI TaxonidSynonymsPhenotype (OMIM) *
MT-1lBC0323389606MT1    MT1X   
MT-1lBC0321319606MT1    MT1X   
MT-1lBC0181909606MT1    MT1X   
MT-1lNM_0059529606MT1    MT1X   

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

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Text2Knowledge ... Yong Huang 2002