Your Query returns 3 Accession Numbers:

Query TermAccessionNCBI TaxonidSynonymsPhenotype (OMIM) *
NMO1NM_00870610090Ox1    QR1    Dia4    Ox-1    Nmo-1    Nmor1    Nqo1   
NMO1BC00457910090QR1    Nqo1   
Nmo1U1296110090

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

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Text2Knowledge ... Yong Huang 2002