Your Query returns 4 Accession Numbers:

Query TermAccessionNCBI TaxonidSynonymsPhenotype (OMIM) *
p50alphaBC02614610090p85alpha    p55alpha    PI3K    Pik3r1   
p50alphaBC05110610090p85alpha    p55alpha    PI3K    Pik3r1   
p50alphaBC00216810090p85alpha    p55alpha    PI3K    Pik3r1   
p50alphaNM_01108510090PI3K    p55alpha    p85alpha    C530050K14    Pik3r1   

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

Google

Text2Knowledge ... Yong Huang 2002