The difference between PI3K and JAK in Stat3 phosphorylation is that PI3K phosphorylates Stat3 on the S727 residue whereas JAK phosphorylates Stat3 on the Y705 residue.
A diferenza entre PI3K e JAK na fosforilación de STAT3 é que PI3K fosforila a STAT3 no residuo S727 mentres que JAK o fai no residuo Y705.