CATH Classification

Domain Context

CATH Clusters

Superfamily CHASE domain
Functional Family Histidine kinase 4

Enzyme Information

2.7.13.3
Histidine kinase.
based on mapping to UniProt Q9C5U0
ATP + protein L-histidine = ADP + protein N-phospho-L-histidine.
-!- This entry has been included to accommodate those protein-histidine kinases for which the phosphorylation site has not been established (i.e. either the pros- or tele-nitrogen of histidine). -!- A number of histones can act as acceptor.
3.1.3.16
Protein-serine/threonine phosphatase.
based on mapping to UniProt Q9C5U0
[a protein]-serine/threonine phosphate + H(2)O = [a protein]- serine/threonine + phosphate.
-!- A group of enzymes removing the serine- or threonine-bound phosphate group from a wide range of phosphoproteins, including a number of enzymes which have been phosphorylated under the action of a kinase (cf. EC 3.1.3.48). -!- The spleen enzyme also acts on phenolic phosphates and phosphamides (cf. EC 3.9.1.1).

UniProtKB Entries (1)

Q9C5U0
AHK4_ARATH
Arabidopsis thaliana
Histidine kinase 4

PDB Structure

PDB 3T4S
External Links
Method X-RAY DIFFRACTION
Organism
Primary Citation
Structural basis for cytokinin recognition by Arabidopsis thaliana histidine kinase 4.
Hothorn, M., Dabi, T., Chory, J.
Nat.Chem.Biol.
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