Your Query returns 5 Accession Numbers:

Query TermAccessionNCBI TaxonidSynonymsPhenotype (OMIM) *
RPABC4BC0181579606RPB7.0    hRPB7.0    hsRPB10a    RPB12    ABC10-alpha    RPB10alpha    POLR2K   
RPABC4BC0008069606RPB7.0    hRPB7.0    hsRPB10a    RPB12    ABC10-alpha    RPB10alpha    POLR2K   
RPABC4NM_0050349606RPB12    RPB7.0    hRPB7.0    hsRPB10a    RPB10alpha    ABC10-alpha    POLR2K   
RPABC4BC02854310090MafY    RPB12    RPB7.0    RPB10alpha    Polr2k   
RPABC4NM_02312710090MafY    Mt1a    RPB12    RPB7.0    RPB10alpha    Polr2k   

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

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Text2Knowledge ... Yong Huang 2002