Your Query returns 4 Accession Numbers:

Query TermAccessionNCBI TaxonidSynonymsPhenotype (OMIM) *
DmORC5NM_0577847227ORC    ORC5    br39    CG7833    l(2)34Df    l(2)br39    BG:DS00941.8    lethal(2)34Df   
DmORC5NG_0004957227ORC    ORC5    br39    CG7833    CT23776    l(2)34Df    l(2)br39    BG:DS00941.8   
DmORC5NM_0577847227ORC    ORC5    br39    CG7833    l(2)34Df    l(2)br39   
DmORC5NT_0337797227ORC    ORC5    br39    CG7833    l(2)34Df    l(2)br39   

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

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Text2Knowledge ... Yong Huang 2002