Your Query returns 4 Accession Numbers:

Query TermAccessionNCBI TaxonidSynonymsPhenotype (OMIM) *
Acy-2NM_02311310090Acy2    Aspa   
acy-2AF0229686239
acy-2NC_0032836239C10F3.3   
acy-2NM_0721526239C10F3.3   

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

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Text2Knowledge ... Yong Huang 2002