CATH Classification

Domain Context

CATH Clusters

Superfamily Phosphorylase Kinase; domain 1
Functional Family Mitogen-activated protein kinase

Enzyme Information

2.7.11.24
Mitogen-activated protein kinase.
based on mapping to UniProt P45983
ATP + a protein = ADP + a phosphoprotein.
-!- Phosphorylation of specific tyrosine and threonine residues in the activation loop of this enzyme by EC 2.7.12.2 is necessary for enzyme activation. -!- Once activated, the enzyme phosphorylates target substrates on serine or threonine residues followed by a proline. -!- A distinguishing feature of all MAPKs is the conserved sequence Thr- Xaa-Tyr (TXY). -!- Mitogen-activated protein kinase (MAPK) signal transduction pathways are among the most widespread mechanisms of cellular regulation. -!- Mammalian MAPK pathways can be recruited by a wide variety of stimuli including hormones (e.g. insulin and growth hormone), mitogens (e.g. epidermal growth factor and platelet-derived growth factor), vasoactive peptides (e.g. angiotensin-II and endothelin), inflammatory cytokines of the tumor necrosis factor (TNF) family and environmental stresses such as osmotic shock, ionizing radiation and ischemeic injury. -!- Formerly EC 2.7.1.37.

UniProtKB Entries (1)

P45983
MK08_HUMAN
Homo sapiens
Mitogen-activated protein kinase 8

PDB Structure

PDB 2G01
External Links
Method X-RAY DIFFRACTION
Organism Escherichia
Primary Citation
Synthesis and SAR of 1,9-dihydro-9-hydroxypyrazolo[3,4-b]quinolin-4-ones as novel, selective c-Jun N-terminal kinase inhibitors.
Liu, M., Xin, Z., Clampit, J.E., Wang, S., Gum, R.J., Haasch, D.L., Trevillyan, J.M., Abad-Zapatero, C., Fry, E.H., Sham, H.L., Liu, G.
Bioorg.Med.Chem.Lett.
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