Your Query returns 11 Accession Numbers:

Query TermAccessionNCBI TaxonidSynonymsPhenotype (OMIM) *
Kcnab2NM_01059810090F5    I2rf5    Kcnb3    601142
Kcnab2NW_04772710116
Kcnab2NM_01730410116
KCNAB2AY4106529606601142
KCNAB2AY4106539598
KCNAB2AY41065410090601142
KCNAB2NM_0036369606AKR6A5    KCNA2B    HKvbeta2    KV-BETA-2    HKvbeta2.1    HKvbeta2.2    601142
KCNAB2NM_1721309606AKR6A5    KCNA2B    HKvbeta2    KV-BETA-2    HKvbeta2.1    HKvbeta2.2    601142
Kcnab2NT_03926810090601142
Kcnab2BC03917810090F5    601142
KCNAB2NT_0219379606601142

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

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Text2Knowledge ... Yong Huang 2002