Your Query returns 2 Accession Numbers:

Query TermAccessionNCBI TaxonidSynonymsPhenotype (OMIM) *
HKvbeta2NM_0036369606AKR6A5    KCNA2B    KV-BETA-2    HKvbeta2.1    HKvbeta2.2    KCNAB2   
HKvbeta2NM_1721309606AKR6A5    KCNA2B    KV-BETA-2    HKvbeta2.1    HKvbeta2.2    KCNAB2   

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

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Text2Knowledge ... Yong Huang 2002