Your Query returns 8 Accession Numbers:

Query TermAccessionNCBI TaxonidSynonymsPhenotype (OMIM) *
RPO1-4BC0171159606DKFZP586M0122    FLJ21915    RPA1    POLR1A   
RPO1-4NM_0154259606RPA1    FLJ21915    DKFZP586M0122    POLR1A   
Rpo1-4NM_00908810090mRPA1    194kDa    RPA194   
Rpo1-4NW_04769310116
Rpo1-4NT_03935010090
Rpo1-4BC04919010090mRPA1    RPA194    194kDa   
Rpo1-4BC05374410090mRPA1    RPA194    194kDa   
Rpo1-4NM_03177210116Rpa1   

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

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Text2Knowledge ... Yong Huang 2002