Your Query returns 2 Accession Numbers:

Query TermAccessionNCBI TaxonidSynonymsPhenotype (OMIM) *
zgc:56049BC0478167955MGC56049    RAB1B   
zgc:56049NM_2011427955RAB1B    MGC56049   

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

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Text2Knowledge ... Yong Huang 2002