Your Query returns 23 Accession Numbers:

Query TermAccessionNCBI TaxonidSynonymsPhenotype (OMIM) *
RAB1BC0009059606DKFZP564B163    RAB1A    179508
RAB1NM_0041619606DKFZP564B163    RAB1A    179508
rab1NM_0797087227DRAB1    CG3320    DmRab1    AAF55873   
rab1NM_1699537227DRAB1    CG3320    DmRab1    AAF55873   
rab1NT_0337777227DRAB1    CG3320    DmRab1    AAF55873   
Rab1AF0319265691
Rab1AF0319275693
rab1AF1077625875
rab1AF1077635875
rab1X999515691
Rab1AF3453365693
Rab1AY1216957227
Rab1AY2287085889
rab1X563849615
rab1AJ60647428930
RAB1M282099606179508
Rab1NW_04743010116
Rab1NT_03951510090179508
Rab1BC00207710090Rab1A    179508
Rab1BC06666210116Rab1r   
Rab1NM_03109010116Rab1r   
Rab1NM_00899610090Gtbp    Ypt1    Rab-1    Rab1A    mKIAA3012    179508
Rab1AE0037347227

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

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Text2Knowledge ... Yong Huang 2002