› 3uc3

X-ray diffraction
1.9Å resolution

The crystal structure of Snf1-related kinase 2.3

Released:
DOI: 10.2210/pdb3uc3/pdb
PDB entry 3uc3 coloured by chain, front view.
PDB entry 3uc3 coloured by chain, side view.
PDB entry 3uc3 coloured by chain, top view.
Source organism: Arabidopsis thaliana
Primary publication:
Structural basis for basal activity and autoactivation of abscisic acid (ABA) signaling SnRK2 kinases.
Ng LM, Soon FF, Zhou XE, West GM, Kovach A, Suino-Powell KM, Chalmers MJ, Li J, Yong EL, Zhu JK, Griffin PR, Melcher K, Xu HE
Proc Natl Acad Sci U S A 108 21259-64 (2011)
PMID: 22160701

Function and Biology Details

Reaction catalysed: 
ATP + a protein = ADP + a phosphoprotein
Biochemical function:
Biological process:
Cellular component:
Sequence domains:

Structure analysis Details

Assembly composition:
monomeric (preferred)
Assembly name:
PDBe Complex ID:
PDB-CPX-174437 (preferred)
Entry contents:
1 distinct polypeptide molecule
Macromolecule:
Serine/threonine-protein kinase SRK2I Chain: A
Molecule details ›
Chain: A
Length: 361 amino acids
Theoretical weight: 41.03 KDa
Source organism: Arabidopsis thaliana
Expression system: Escherichia coli
UniProt:
  • Canonical: Q39193 (Residues: 1-361; Coverage: 100%)
Gene names: 41K, At5g66880, MUD21.14, OSKL2, SNRK2.3, SRK2I
Sequence domains: Protein kinase domain
Structure domains:

Ligands and Environments

1 bound ligand:
Ligand CO 3 x CO
No modified residues

Experiments and Validation Details

Entry percentile scores
X-ray source: APS BEAMLINE 21-ID-D
Spacegroup: P3121
Unit cell:
a: 75.411Å b: 75.411Å c: 116.434Å
α: 90° β: 90° γ: 120°
R-values:
R R work R free
0.214 0.212 0.23
Expression system: Escherichia coli

Quick links

Citations

18 review citations

Advances and current challenges in calcium signaling.
Kudla et al. (2018)
17 more

6 mentions without citation

Abscisic acid perception and signaling: structural mechanisms and applications.
Ng et al. (2014)
5 more