Your Query returns 2 Accession Numbers:

Query TermAccessionNCBI TaxonidSynonymsPhenotype (OMIM) *
MGC56644BC0490577955zgc:56644    Rab5a    rab5al   
MGC56644NM_2009707955Rab5a    zgc:56644   

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

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Text2Knowledge ... Yong Huang 2002