Your Query returns 3 Accession Numbers:

Query TermAccessionNCBI TaxonidSynonymsPhenotype (OMIM) *
MGC41896NM_0007239606CAB1    CCHLB1    CACNLB1    CACNB1   
MGC41896NM_1992479606CAB1    CCHLB1    CACNLB1    CACNB1   
MGC41896NM_1992489606CAB1    CCHLB1    CACNLB1    CACNB1   

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

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Text2Knowledge ... Yong Huang 2002