PDBsum entry 3udb

Transferase

PDB id: 3udb

Contents

Protein chains

275 a.a.

261 a.a.

Metals

_CL ×6

Waters ×129

PDB id:

3udb

Name:

Transferase

Title:

Crystal structure of snrk2.6

Structure:

Serine/threonine-protein kinase srk2e. Chain: a, b, c, d, e, f. Fragment: residues 1-317. Synonym: protein open stomata 1, snf1-related kinase 2.6, snrk2.6, serine/threonine-protein kinase ost1. Engineered: yes. Mutation: yes

Source:

Arabidopsis thaliana. Thale-cress. Organism_taxid: 3702. Gene: snrk2.6. Expressed in: escherichia coli. Expression_system_taxid: 562

Resolution:

2.57Å R-factor: 0.238 R-free: 0.259

Authors:

T.Xie,R.Ren,Y.Pang,C.Yan

Key ref:

T.Xie et al. Molecular mechanism for the inhibition of a critical component in the arabidopsis thaliana abscisic acid s transduction pathways, Snrk2.6, By the protein phosph abi1. To be published, .

Date:

27-Oct-11 Release date: 16-Nov-11

Protein chains

Q940H6  (SRK2E_ARATH) -  Serine/threonine-protein kinase SRK2E from Arabidopsis thaliana

Seq: 362 a.a.

Struc: 275 a.a.*

Protein chains

Q940H6  (SRK2E_ARATH) -  Serine/threonine-protein kinase SRK2E from Arabidopsis thaliana

Seq: 362 a.a.

Struc: 261 a.a.*

* PDB and UniProt seqs differ at 8 residue positions (black crosses)

Enzyme reactions

• Enzyme class: Chains A, B, C, D, E, F: E.C.2.7.11.1 - non-specific serine/threonine protein kinase.
• Reaction:
  1. L-seryl-[protein] + ATP = O-phospho-L-seryl-[protein] + ADP + H⁺
  2. L-threonyl-[protein] + ATP = O-phospho-L-threonyl-[protein] + ADP + H⁺

Molecule diagrams generated from .mol files obtained from the KEGG ftp site