Your Query returns 5 Accession Numbers:

Query TermAccessionNCBI TaxonidSynonymsPhenotype (OMIM) *
POLR1CBC0081189606RPA39    RPA40    RPA5    RPAC1   
POLR1CBC0088639606RPA39    RPA40    RPA5    RPAC1   
POLR1CNM_2032909606RPA5    RPA39    RPA40    RPAC1   
POLR1CNM_0048759606RPA5    RPA39    RPA40    RPAC1   
POLR1CNT_0075929606

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

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Text2Knowledge ... Yong Huang 2002