Search Results

Overview

Uniprot IDQ712U6
Protein NamecAMP-regulated phosphoprotein 19
Gene NameARPP19
OrganismSus scrofa

Kla Sites from experimental identification

Position Flanking peptide
26 DKVTSPEKAEEAKLK
75 AKAKMKNKQLPTAAP
84 LPTAAPDKTEVTGDH

Function

Protein phosphatase inhibitor that specifically inhibits protein phosphatase 2A (PP2A) during mitosis (By similarity). Inhibition of PP2A is enhanced when ARPP19 is phosphorylated (By similarity). When phosphorylated at Ser-62 during mitosis, specifically interacts with PPP2R2D (PR55-delta) and inhibits its activity, leading to inactivation of PP2A, an essential condition to keep cyclin-B1-CDK1 activity high during M phase (By similarity). May indirectly enhance GAP-43 expression by binding to the NGF-regulatory region of its mRNA (By similarity)

Protein Sequence

10 MSAEVPEAAS 20 AEEQKEMEDK 30 VTSPEKAEEA 40 KLKARYPHLG 50 QKPGGSDFLR 60 KRLQKGQKYF 70 DSGDYNMAKA 80 KMKNKQLPTA 90 APDKTEVTGD 100 HIPTPQDLPQ 110 RKPSLVASKL AG

Gene Ontology

Classification GO ID Description
Cellular Component GO:0005737 cytoplasm
Molecular Function GO:0019212 phosphatase inhibitor activity
Molecular Function GO:0015459 potassium channel regulator activity
Molecular Function GO:0051721 protein phosphatase 2A binding
Molecular Function GO:0004864 protein phosphatase inhibitor activity
Molecular Function GO:0019888 protein phosphatase regulator activity
Molecular Function GO:0005102 signaling receptor binding
Biological Process GO:0051301 cell division
Biological Process GO:0000086 G2/M transition of mitotic cell cycle
Biological Process GO:0000278 mitotic cell cycle
Biological Process GO:0045722 positive regulation of gluconeogenesis

Reference

[1] Fan S, Zhou R, Wen H, Ye H, Ma S et al.. Global profiling of protein lactylome in porcine granulosa cells.. J Ovarian Res 18(1):177. 2025 Aug 8. PMID: 40781717.