› 4lk8

X-ray diffraction
1.49Å resolution

Crystal structure of CyaY protein from Psychromonas ingrahamii in complex with Co(II)

Released:
DOI: 10.2210/pdb4lk8/pdb
PDB entry 4lk8 coloured by chain, front view.
PDB entry 4lk8 coloured by chain, side view.
PDB entry 4lk8 coloured by chain, top view.
Source organism: Psychromonas ingrahamii 37
Primary publication:
Structural characterization of metal binding to a cold-adapted frataxin.
Noguera ME, Roman EA, Rigal JB, Cousido-Siah A, Mitschler A, Podjarny A, Santos J
J Biol Inorg Chem 20 653-64 (2015)
PMID: 25832196

Function and Biology Details

Biochemical function:
Biological process:
Cellular component:
Sequence domains:

Structure analysis Details

Assembly composition:
monomeric (preferred)
Assembly name:
PDBe Complex ID:
PDB-CPX-106700 (preferred)
Entry contents:
1 distinct polypeptide molecule
Macromolecule:
Iron-sulfur cluster assembly protein CyaY Chains: A, B
Molecule details ›
Chains: A, B
Length: 105 amino acids
Theoretical weight: 12.3 KDa
Source organism: Psychromonas ingrahamii 37
Expression system: Escherichia coli
UniProt:
  • Canonical: A1SR01 (Residues: 1-105; Coverage: 100%)
Gene names: Ping_0042, cyaY
Sequence domains: Frataxin-like domain
Structure domains: Frataxin/CyaY

Ligands and Environments

1 bound ligand:
Ligand CO 6 x CO
No modified residues

Experiments and Validation Details

Entry percentile scores
X-ray source: SLS BEAMLINE X06DA
Spacegroup: P21
Unit cell:
a: 39.891Å b: 50.564Å c: 46.31Å
α: 90° β: 90.77° γ: 90°
R-values:
R R work R free
0.185 0.184 0.211
Expression system: Escherichia coli

Quick links

Citations

6 citation in other articles

Mechanisms of iron and copper-frataxin interactions.
Han et al. (2017)
5 more

1 mention without citation

Structural aspects of enzymes involved in prokaryotic Gram-positive heme biosynthesis.
Falb et al. (2023)