Your Query returns 3 Accession Numbers:

Query TermAccessionNCBI TaxonidSynonymsPhenotype (OMIM) *
Cacna2dNM_02026310090du    td    torpid    Cacna2d2   
CACNA2DNM_0060309606gene 26    KIAA0558    CACNA2D2   
Cacna2dBC05638910090torpid    Cacna2d2   

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

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Text2Knowledge ... Yong Huang 2002