Your Query returns 5 Accession Numbers:

Query TermAccessionNCBI TaxonidSynonymsPhenotype (OMIM) *
pcr4AE004597208964
PCR4NM_0795847227MCM5    CG4082    DmMCM5    DmCDC46    DmCDC465   
PCR4NT_0337777227MCM5    CG4082    DmMCM5    DmCDC46    DmCDC465   
pcr4AF010150287
pcr4AF1060793055

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

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Text2Knowledge ... Yong Huang 2002