Serine/Threonine-Protein Phosphatase 2A Activator

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

**Definition:** Serine/threonine-protein phosphatase 2A activator (358 aa, ~41 kDa) is encoded by the human PTPA gene. This protein plays a role in both the modulation of protein phosphatase 2A activity and protein folding.

**Synonyms:** - EC 5.2.1.8 - PP2A - PP2A Subunit B Isoform PR53 - PP2A Subunit B Prime - PP2A, Subunit B Prime, PR53 Isoform - PP2A, Subunit B', PR53 Isoform - PPP2R4 - PR53 - PTPA - Phosphotyrosyl Phosphatase Activator - Protein Phosphatase 2 Regulatory Subunit 4 - Protein Phosphatase 2A Regulatory Subunit B Prime - Protein Phosphatase 2A Regulatory Subunit PR53 - Serine/Threonine-Protein Phosphatase 2A Regulatory Subunit 4 - Serine/Threonine-Protein Phosphatase 2A Regulatory Subunit B Prime - Serine/Threonine-Protein Phosphatase 2A Regulatory Subunit B'