Your Query returns 4 Accession Numbers:

Query TermAccessionNCBI TaxonidSynonymsPhenotype (OMIM) *
p55alphaBC02614610090p85alpha    p50alpha    PI3K    Pik3r1   
p55alphaBC05110610090p85alpha    p50alpha    PI3K    Pik3r1   
p55alphaBC00216810090p85alpha    p50alpha    PI3K    Pik3r1   
p55alphaNM_01108510090PI3K    p50alpha    p85alpha    C530050K14    Pik3r1   

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

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Text2Knowledge ... Yong Huang 2002