Your Query returns 2 Accession Numbers:

Query TermAccessionNCBI TaxonidSynonymsPhenotype (OMIM) *
D12S2489EBC0398369606NKG2D    KLR    NKG2-D    KLRK1    602893
D12S2489ENM_0073609606KLR    NKG2D    NKG2-D    KLRK1    602893

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

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Text2Knowledge ... Yong Huang 2002