Phosphatidylinositol 3-Kinase Regulatory Subunit Alpha

**Semantic type:** Amino Acid, Peptide, or Protein

**Definition:** Phosphatidylinositol 3-kinase regulatory subunit alpha (724 aa, ~84 kDa) is encoded by the human PIK3R1 gene. This protein is involved in the modulation of the phosphorylation of inositol.

**Synonyms:** - PI3-Kinase Regulatory Subunit Alpha - PI3-Kinase Subunit p85-Alpha - PI3K Regulatory Subunit Alpha - PIK3R1 - Phosphatidylinositol 3-Kinase 85 kDa Regulatory Subunit Alpha - Phosphatidylinositol 3-Kinase-Associated p85-Alpha - PtdIns-3-Kinase Regulatory Subunit Alpha - PtdIns-3-Kinase Regulatory Subunit p85-Alpha