Your Query returns 1 Accession Numbers:

Query TermAccessionNCBI TaxonidSynonymsPhenotype (OMIM) *
RNA polymerase II second largest subunitNG_0001417227H5    II    wimp    polII    CG3180    PolIIc    CT10661    DmRP140    RNAP II    RPII140    RNApolII    RNA polII    RNA pol II    l(3)RplII140    RNA polymerase II   

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

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Text2Knowledge ... Yong Huang 2002