Phosphatidylserine Synthase 1

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

**Definition:** Phosphatidylserine synthase 1 (473 aa, ~56 kDa) is encoded by the human PTDSS1 gene. This protein is involved in the conversion of phosphatidylcholine or phosphatidylethanolamine into phosphatidylserine.

**Synonyms:** - EC 2.7.8.29 - PSS-1 - PTDSS1 - PtdSer Synthase 1 - Serine-Exchange Enzyme I