Your Query returns 3 Accession Numbers:

Query TermAccessionNCBI TaxonidSynonymsPhenotype (OMIM) *
MGC45367BC0355889606ATP2B    SERCA2    DAR    DD    ATP2A2   
MGC45367NM_0016819606DD    DAR    ATP2B    SERCA2    ATP2A2   
MGC45367NM_1706659606DD    DAR    ATP2B    SERCA2    ATP2A2   

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

Google

Text2Knowledge ... Yong Huang 2002