› 2xyk

X-ray diffraction
2.1Å resolution

Group II 2-on-2 Hemoglobin from the Plant Pathogen Agrobacterium tumefaciens

Released:
DOI: 10.2210/pdb2xyk/pdb
PDB entry 2xyk coloured by chain, front view.
PDB entry 2xyk coloured by chain, side view.
PDB entry 2xyk coloured by chain, top view.
Source organism: Agrobacterium tumefaciens
Primary publication:
Structural characterization of a group II 2/2 hemoglobin from the plant pathogen Agrobacterium tumefaciens.
Pesce A, Nardini M, Labarre M, Richard C, Wittenberg JB, Wittenberg BA, Guertin M, Bolognesi M
Biochim Biophys Acta 1814 810-6 (2011)
PMID: 21070893

Function and Biology Details

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

Structure analysis Details

Assembly composition:
monomeric (preferred)
Assembly name:
PDBe Complex ID:
PDB-CPX-181449 (preferred)
Entry contents:
1 distinct polypeptide molecule
Macromolecule:
Globin Chains: A, B
Molecule details ›
Chains: A, B
Length: 133 amino acids
Theoretical weight: 15.26 KDa
Source organism: Agrobacterium tumefaciens
Expression system: Escherichia coli
UniProt:
  • Canonical: Q7CX73 (Residues: 1-133; Coverage: 100%)
Gene name: Atu2380
Sequence domains: Bacterial-like globin
Structure domains: Globins

Ligands and Environments

1 bound ligand:
Ligand HEM 2 x HEM
No modified residues

Experiments and Validation Details

Entry percentile scores
X-ray source: ESRF BEAMLINE ID14-3
Spacegroup: P21
Unit cell:
a: 53.18Å b: 44.491Å c: 57.58Å
α: 90° β: 112.16° γ: 90°
R-values:
R R work R free
0.183 0.177 0.239
Expression system: Escherichia coli

Quick links

Citations

1 review citation

Structural determinants of ligand binding in truncated hemoglobins: Resonance Raman spectroscopy of the native states and their carbon monoxide and hydroxide complexes.
Feis et al. (2018)
3 other articles

4 mentions without citation

Evolutionary and Functional Relationships in the Truncated Hemoglobin Family.
Bustamante et al. (2016)
3 more