4kn9

X-ray diffraction
1.4Å resolution

High-resolution structure of H2-activated anaerobically purified Dm. baculatum [NiFeSe]-hydrogenase after crystallization under air

Released:

Function and Biology Details

Structure analysis Details

Assembly composition:
hetero dimer (preferred)
PDBe Complex ID:
PDB-CPX-111715 (preferred)
Entry contents:
2 distinct polypeptide molecules
Macromolecules (2 distinct):
Periplasmic [NiFeSe] hydrogenase small subunit Chains: S, T
Molecule details ›
Chains: S, T
Length: 283 amino acids
Theoretical weight: 30.87 KDa
Source organism: Desulfomicrobium baculatum
UniProt:
  • Canonical: P13063 (Residues: 33-315; Coverage: 100%)
Sequence domains:
Structure domains:
Nickel-dependent hydrogenase large subunit Chains: L, M
Molecule details ›
Chains: L, M
Length: 499 amino acids
Theoretical weight: 55.29 KDa
Source organism: Desulfomicrobium baculatum DSM 4028
UniProt:
  • Canonical: C7LN88 (Residues: 1-499; Coverage: 97%)
Gene name: Dbac_1969
Sequence domains: Nickel-dependent hydrogenase
Structure domains: Cytochrome-c3 Hydrogenase, chain B

Ligands and Environments

No modified residues

Experiments and Validation Details

Entry percentile scores
X-ray source: ESRF BEAMLINE ID23-1
Spacegroup: P212121
Unit cell:
a: 106.26Å b: 108.73Å c: 136.5Å
α: 90° β: 90° γ: 90°
R-values:
R R work R free
0.129 0.127 0.168