Your Query returns 6 Accession Numbers:

Query TermAccessionNCBI TaxonidSynonymsPhenotype (OMIM) *
RPA5BC0081189606RPA39    RPA40    RPAC1    POLR1C   
RPA5BC0088639606RPA39    RPA40    RPAC1    POLR1C   
RPA5NM_2032909606RPA39    RPA40    RPAC1    POLR1C   
RPA5NM_0048759606RPA39    RPA40    RPAC1    POLR1C   
rpa5AF08303155529
rpa5NC_00275155529

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

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Text2Knowledge ... Yong Huang 2002