Phosphatidylinositol 3-Kinase Catalytic Subunit Type 3

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

**Definition:** Phosphatidylinositol 3-kinase catalytic subunit type 3 (887 aa, ~102 kDa) is encoded by the human PIK3C3 gene. This protein plays a role in the phosphorylation of second messengers.

**Synonyms:** - EC 2.7.1.137 - PI3-Kinase Type 3 - PI3K Type 3 - PIK3C3 - Phosphatidylinositol 3-Kinase p100 Subunit - Phosphoinositide-3-Kinase Class 3 - PtdIns-3-Kinase Type 3 - hVps34