Your Query returns 6 Accession Numbers:

Query TermAccessionNCBI TaxonidSynonymsPhenotype (OMIM) *
NknaNM_00931110090NK1    PPT-A    4930528L02Rik    Tac1    162320
NKNABC0180479606TAC2    NK2    Hs.2563    TAC1    162320
NKNANM_0031829606NK2    TAC2    Hs.2563    TAC1    162320
NKNANM_0139989606NK2    TAC2    Hs.2563    TAC1    162320
NKNANM_0139969606NK2    TAC2    Hs.2563    TAC1    162320
NKNANM_0139979606NK2    TAC2    Hs.2563    TAC1    162320

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

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Text2Knowledge ... Yong Huang 2002