Your Query returns 5 Accession Numbers:

Query TermAccessionNCBI TaxonidSynonymsPhenotype (OMIM) *
RHK1NM_01297110116Kv4    RK3    KCHAN    Kv1.4    Kcna4   
RHK1Z358444932
Rhk1NM_13441610116
Rhk1AB03849510116
RHK1NC_0011344932ALG3   

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

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Text2Knowledge ... Yong Huang 2002