Search Results
Overview
| Uniprot ID | Q96GX5 |
|---|---|
| Protein Name | Serine/threonine-protein kinase greatwall |
| Gene Name | MASTL |
| Organism | Homo sapiens |
Kla Sites from experimental identification
| Position | Flanking peptide |
|---|---|
| 266 | DTTPYSSKLLKSCLE |
| 358 | SANAIETKGFNKKDL |
| 362 | IETKGFNKKDLELAL |
| 363 | ETKGFNKKDLELALS |
| 391 | SCVNLAKKCFSGEVS |
| 456 | LVDSSPCKKIIQNKK |
| 457 | VDSSPCKKIIQNKKT |
| 497 | DLKLSVHKSQQNDCA |
Function
Serine/threonine kinase that plays a key role in M phase by acting as a regulator of mitosis entry and maintenance (PubMed:19680222). Acts by promoting the inactivation of protein phosphatase 2A (PP2A) during M phase: does not directly inhibit PP2A but acts by mediating phosphorylation and subsequent activation of ARPP19 and ENSA at 'Ser-62' and 'Ser-67', respectively (PubMed:38123684). ARPP19 and ENSA are phosphatase inhibitors that specifically inhibit the PPP2R2D (PR55-delta) subunit of PP2A. Inactivation of PP2A during M phase is essential to keep cyclin-B1-CDK1 activity high (PubMed:20818157). Following DNA damage, it is also involved in checkpoint recovery by being inhibited. Phosphorylates histone protein in vitro; however such activity is unsure in vivo. May be involved in megakaryocyte differentiation
Protein Sequence
Gene Ontology
| Classification | GO ID | Description |
|---|---|---|
| Cellular Component | GO:0005813 | centrosome |
| Cellular Component | GO:0032154 | cleavage furrow |
| Cellular Component | GO:0015630 | microtubule cytoskeleton |
| Cellular Component | GO:0005654 | nucleoplasm |
| Cellular Component | GO:0005634 | nucleus |
| Molecular Function | GO:0005524 | ATP binding |
| Molecular Function | GO:0016301 | kinase activity |
| Molecular Function | GO:0051721 | protein phosphatase 2A binding |
| Molecular Function | GO:0106310 | protein serine kinase activity |
| Molecular Function | GO:0004674 | protein serine/threonine kinase activity |
| Molecular Function | GO:0044325 | transmembrane transporter binding |
| Biological Process | GO:0051301 | cell division |
| Biological Process | GO:0006974 | DNA damage response |
| Biological Process | GO:0000086 | G2/M transition of mitotic cell cycle |
| Biological Process | GO:0035556 | intracellular signal transduction |
| Biological Process | GO:0051726 | regulation of cell cycle |
| Biological Process | GO:0007346 | regulation of mitotic cell cycle |
Reference
[1] He C, Zhang J, Bai X, Lu C, Zhang K. Lysine lactylation-based insight to understanding the characterization of cervical cancer.. Biochim Biophys Acta Mol Basis Dis 1870(7):167356. 2024 Oct. PMID: 39025375.
[2] Wu Q, Li Z, Gong T, Zheng X, Zhou X et al.. Porphyromonas gingivalis infection induces lysine lactylation reprogramming in human umbilical vein endothelial cells.. Front Cell Infect Microbiol 16:1706727. 2026. PMID: 41696360.