Your Query returns 13 Accession Numbers:

Query TermAccessionNCBI TaxonidSynonymsPhenotype (OMIM) *
KCNJ2AF2776479615
Kcnj2NM_00842510090IRK1    Kcnf1    Kir2.1    600681
Kcnj2NW_04734310116
Kcnj2NM_01729610116
KCNJ2AF1538209606600681
KCNJ2AH0094009606600681
KCNJ2AF1538189606600681
KCNJ2AF1538199606600681
KCNJ2NM_0008919606IRK1    LQT7    HHIRK1    KIR2.1    HHBIRK1    600681
KCNJ2NM_1743739913
KCNJ2AF18787210141
Kcnj2NT_03952110090600681
KCNJ2NT_0106419606600681

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

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Text2Knowledge ... Yong Huang 2002