Your Query returns 3 Accession Numbers:

Query TermAccessionNCBI TaxonidSynonymsPhenotype (OMIM) *
NicNM_1430407227Nct    S5A    agro    CG7012    Nicastrin    dNicastrin   
NicNM_2065687227Nct    S5A    agro    CG7012    Nicastrin    dNicastrin   
NicNT_0337777227Nct    S5A    agro    CG7012    Nicastrin    dNicastrin   

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

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Text2Knowledge ... Yong Huang 2002