Your Query returns 14 Accession Numbers:

Query TermAccessionNCBI TaxonidSynonymsPhenotype (OMIM) *
Mt1aNM_02312710090MafY    RPB12    RPABC4    RPB7.0    RPB10alpha    Polr2k    156350
MT1aU112533702
mt1aAJ511344112509
MT1AK013839606156350
Mt1aNW_04753110116
Mt1aNM_13882610116Mt   
MT1ABC0294759606MT1    MGC32848    MTC    156350
MT1ANM_0059469606MT1    MTC    MGC32848    156350
Mt1aNT_03962010090156350
Mt1aBC05844210116Mt   
MT1aAF269031119764
MT1aAF269032119762
MT1aAF269033119762
MT1ANT_0104989606156350

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

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Text2Knowledge ... Yong Huang 2002