Your Query returns 5 Accession Numbers:

Query TermAccessionNCBI TaxonidSynonymsPhenotype (OMIM) *
ACASNM_01981110090Acas1    AceCS1    1110017C11Rik    Acas2   
ACASBC05143210090AceCS1    1110017C11Rik    Acas2   
AcasNM_01282010116ACS    COAA    Facl2   
AcasNM_00798110090Acs    FACS    Acas1    Facl2    Acsl1   
AcasBC05664410090FACS    Acs    Acas1    Acsl1   

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

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Text2Knowledge ... Yong Huang 2002