Your Query returns 4 Accession Numbers:

Query TermAccessionNCBI TaxonidSynonymsPhenotype (OMIM) *
CD158B2BC0324229606CD158b    CL-6    NKAT2    NKAT2A    NKAT2B    p58    KIR-023GB    KIR2DL3   
CD158B2BC0507309606CD158b    CL-6    NKAT2    NKAT2A    NKAT2B    p58    KIR-023GB    KIR2DL3   
CD158B2NM_0145119606p58    CL-6    NKAT2    CD158b    NKAT2A    NKAT2B    KIR-023GB    KIR2DL3   
CD158B2NM_0158689606p58    CL-6    NKAT2    CD158b    NKAT2A    NKAT2B    KIR-023GB    KIR2DL3   

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

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Text2Knowledge ... Yong Huang 2002