Your Query returns 3 Accession Numbers:

Query TermAccessionNCBI TaxonidSynonymsPhenotype (OMIM) *
SNATAF3609799606AANAT    600950
SNATNM_0010889606AA-NAT    AANAT    600950
SNATNM_00959110090Nat4    Nat-2    Aanat    600950

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

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Text2Knowledge ... Yong Huang 2002