Your Query returns 2 Accession Numbers:

Query TermAccessionNCBI TaxonidSynonymsPhenotype (OMIM) *
IB6XM_14614810090Olfr45   
IB6NM_14696310090MOR253-2    Olfr45   

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

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Text2Knowledge ... Yong Huang 2002