Your Query returns 4 Accession Numbers:

Query TermAccessionNCBI TaxonidSynonymsPhenotype (OMIM) *
Pik3c2aNM_01108310090Cpk-m   
PIK3C2ANM_0026459606CPK    PI3-K-C2A    PI3-K-C2(ALPHA)   
Pik3c2aNT_03943310090
PIK3C2ANT_0092379606

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

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Text2Knowledge ... Yong Huang 2002