Your Query returns 4 Accession Numbers:

Query TermAccessionNCBI TaxonidSynonymsPhenotype (OMIM) *
Rho/RacGEFNG_000533722738C.40    DrtGEF    RhoGEF    CG10043    CT28235    CT28279    DrhoGEF    rtGEF   
Rho/RacGEFNM_057826722738C.40    DrtGEF    RhoGEF    CG10043    DrhoGEF    rtGEF   
Rho/RacGEFNM_165327722738C.40    DrtGEF    RhoGEF    CG10043    DrhoGEF    rtGEF   
Rho/RacGEFNT_033779722738C.40    DrtGEF    RhoGEF    CG10043    DrhoGEF    rtGEF   

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

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Text2Knowledge ... Yong Huang 2002