Your Query returns 2 Accession Numbers:

Query TermAccessionNCBI TaxonidSynonymsPhenotype (OMIM) *
PPP2BBC0257149606CALN    CALNA    CCN1    CNA1    CALNA1    PPP3CA    114105
PPP2BNM_0009449606CALN    CCN1    CNA1    CALNA    CALNA1    PPP3CA    114105

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

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Text2Knowledge ... Yong Huang 2002