› 4dp6

X-ray diffraction
1.67Å resolution

The 1.67 Angstrom crystal structure of reduced (CuI) poplar plastocyanin B at pH 8.0

Released:
DOI: 10.2210/pdb4dp6/pdb
PDB entry 4dp6 coloured by chain, front view.
PDB entry 4dp6 coloured by chain, side view.
PDB entry 4dp6 coloured by chain, top view.
Source organism: Populus nigra
Primary publication:
Structural comparison of the poplar plastocyanin isoforms PCa and PCb sheds new light on the role of the copper site geometry in interactions with redox partners in oxygenic photosynthesis.
Kachalova GS, Shosheva AC, Bourenkov GP, Donchev AA, Dimitrov MI, Bartunik HD
J Inorg Biochem 115 174-81 (2012)
PMID: 22883960

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-146014 (preferred)
Entry contents:
1 distinct polypeptide molecule
Macromolecule:
Plastocyanin B, chloroplastic Chain: X
Molecule details ›
Chain: X
Length: 99 amino acids
Theoretical weight: 10.47 KDa
Source organism: Populus nigra
UniProt:
  • Canonical: P11970 (Residues: 70-168; Coverage: 59%)
Gene name: PETE
Sequence domains: Copper binding proteins, plastocyanin/azurin family
Structure domains: Cupredoxins - blue copper proteins

Ligands and Environments

2 bound ligands:
Ligand CU1 1 x CU1
Ligand GOL 1 x GOL
No modified residues

Experiments and Validation Details

Entry percentile scores
X-ray source: MPG/DESY, HAMBURG BEAMLINE BW6
Spacegroup: P212121
Unit cell:
a: 31.913Å b: 46.246Å c: 52.648Å
α: 90° β: 90° γ: 90°
R-values:
R R work R free
0.177 0.174 0.257

Quick links

Citations

2 review citations

Transition metals in plant photosynthesis.
Yruela I. (2013)
1 more

1 mention without citation

The Rise of Radicals in Bioinorganic Chemistry.
Gray et al. (2016)