Your Query returns 3 Accession Numbers:

Query TermAccessionNCBI TaxonidSynonymsPhenotype (OMIM) *
DRAB1NM_0797087227rab1    CG3320    DmRab1    AAF55873   
DRAB1NM_1699537227rab1    CG3320    DmRab1    AAF55873   
DRAB1NT_0337777227rab1    CG3320    DmRab1    AAF55873   

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

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Text2Knowledge ... Yong Huang 2002