› 2ce1

X-ray diffraction
1.4Å resolution

Structure of reduced Arabidopsis thaliana cytochrome 6A

Released:
DOI: 10.2210/pdb2ce1/pdb
PDB entry 2ce1 coloured by chain, front view.
PDB entry 2ce1 coloured by chain, side view.
PDB entry 2ce1 coloured by chain, top view.
Source organism: Arabidopsis thaliana
Primary publication:
Structure of cytochrome c6A, a novel dithio-cytochrome of Arabidopsis thaliana, and its reactivity with plastocyanin: implications for function.
Marcaida MJ, Schlarb-Ridley BG, Worrall JA, Wastl J, Evans TJ, Bendall DS, Luisi BF, Howe CJ
J Mol Biol 360 968-77 (2006)
PMID: 16815443

Function and Biology Details

Biochemical function:
Biological process:
  • not assigned
Cellular component:
  • not assigned
Sequence domains:

Structure analysis Details

Assembly composition:
monomeric (preferred)
Assembly name:
PDBe Complex ID:
PDB-CPX-188141 (preferred)
Entry contents:
1 distinct polypeptide molecule
Macromolecule:
Cytochrome c6, chloroplastic Chain: A
Molecule details ›
Chain: A
Length: 105 amino acids
Theoretical weight: 11.69 KDa
Source organism: Arabidopsis thaliana
Expression system: Escherichia coli
UniProt:
  • Canonical: Q93VA3 (Residues: 71-175; Coverage: 60%)
Gene names: At5g45040, K21C13.23, PETJ
Sequence domains: Cytochrome C oxidase, cbb3-type, subunit III
Structure domains: Cytochrome c-like domain

Ligands and Environments

1 bound ligand:
Ligand HEC 1 x HEC
No modified residues

Experiments and Validation Details

Entry percentile scores
X-ray source: ESRF BEAMLINE ID29
Spacegroup: P3221
Unit cell:
a: 57.975Å b: 57.975Å c: 65.005Å
α: 90° β: 90° γ: 120°
R-values:
R R work R free
0.169 0.168 0.184
Expression system: Escherichia coli

Quick links

Citations

2 review citations

Redox regulation in the thylakoid lumen.
Kang et al. (2016)
1 more

1 mention without citation

Modulation of heme redox potential in the cytochrome c6 family.
Worrall et al. (2007)