Your Query returns 2 Accession Numbers:

Query TermAccessionNCBI TaxonidSynonymsPhenotype (OMIM) *
zgc:56690NM_1998427955Gnai2    fi21e06    wu:fi21e06   
zgc:56690BC0493437955fi21e06    Gnai2    wu:fi21e06   

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

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Text2Knowledge ... Yong Huang 2002