› 4b4y

X-ray diffraction
2.3Å resolution

crystal structure of the neuroglobin from the photosymbiotic marine acoel Symsagittifera roscoffensis

Released:
DOI: 10.2210/pdb4b4y/pdb
PDB entry 4b4y coloured by chain, front view.
PDB entry 4b4y coloured by chain, side view.
PDB entry 4b4y coloured by chain, top view.
Source organism: Symsagittifera roscoffensis
Primary publication:
Neuroglobins, pivotal proteins associated with emerging neural systems and precursors of metazoan globin diversity.
Lechauve C, Jager M, Laguerre L, Kiger L, Correc G, Leroux C, Vinogradov S, Czjzek M, Marden MC, Bailly X
J Biol Chem 288 6957-67 (2013)
PMID: 23288852

Function and Biology Details

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

Structure analysis Details

Assembly composition:
homo dimer (preferred)
Assembly name:
PDBe Complex ID:
PDB-CPX-125806 (preferred)
Entry contents:
1 distinct polypeptide molecule
Macromolecule:
Globin domain-containing protein Chain: A
Molecule details ›
Chain: A
Length: 154 amino acids
Theoretical weight: 17.48 KDa
Source organism: Symsagittifera roscoffensis
Expression system: Escherichia coli BL21(DE3)
UniProt:
  • Canonical: L7MTK4 (Residues: 1-154; Coverage: 100%)
Sequence domains: Globin
Structure domains: Globins

Ligands and Environments

2 bound ligands:
Ligand HEM 1 x HEM
Ligand OXY 1 x OXY
No modified residues

Experiments and Validation Details

Entry percentile scores
X-ray source: ESRF BEAMLINE ID23-1, ESRF BEAMLINE BM30A
Spacegroup: P6222
Unit cell:
a: 97.07Å b: 97.07Å c: 140.1Å
α: 90° β: 90° γ: 120°
R-values:
R R work R free
0.216 0.215 0.251
Expression system: Escherichia coli BL21(DE3)

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Citations

9 review citations

The genomic and cellular foundations of animal origins.
Richter et al. (2013)
8 more

1 mention without citation

Neuroglobins, pivotal proteins associated with emerging neural systems and precursors of metazoan globin diversity.
Lechauve et al. (2013)