Your Query returns 4 Accession Numbers:

Query TermAccessionNCBI TaxonidSynonymsPhenotype (OMIM) *
DmORC1NG_0006457227ORC    ORC1    dORC1    CG10667    CT29856   
DmORC1NM_0579557227ORC    ORC1    dORC1    CG10667   
DmORC1NT_0337787227ORC    ORC1    dORC1    CG10667   
DmORC1AF0176477227

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

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Text2Knowledge ... Yong Huang 2002