Your Query returns 3 Accession Numbers:

Query TermAccessionNCBI TaxonidSynonymsPhenotype (OMIM) *
ATP2BBC0355889606SERCA2    DAR    DD    MGC45367    ATP2A2    108740
ATP2BNM_0016819606DD    DAR    SERCA2    MGC45367    ATP2A2    108740
ATP2BNM_1706659606DD    DAR    SERCA2    MGC45367    ATP2A2    108740

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

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