› 3tdp

X-ray diffraction
2.99Å resolution

Crystal structure of HSC at pH 4.5

Released:
DOI: 10.2210/pdb3tdp/pdb
PDB entry 3tdp coloured by chain, front view.
PDB entry 3tdp coloured by chain, side view.
PDB entry 3tdp coloured by chain, top view.
Source organism: Clostridioides difficile 630
Primary publication:
Identification and characterization of a bacterial hydrosulphide ion channel.
Czyzewski BK, Wang DN
Nature 483 494-7 (2012)
PMID: 22407320

Function and Biology Details

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

Structure analysis Details

Assemblies composition:
homo pentamer (preferred)
homo decamer
Assembly name:
PDBe Complex ID:
PDB-CPX-172696 (preferred)
Entry contents:
1 distinct polypeptide molecule
Macromolecule:
Formate/nitrite transporter Chains: A, B, C, D, E
Molecule details ›
Chains: A, B, C, D, E
Length: 257 amino acids
Theoretical weight: 27.12 KDa
Source organism: Clostridioides difficile 630
Expression system: Escherichia coli BL21(DE3)
UniProt:
  • Canonical: Q186B7 (Residues: 2-256; Coverage: 99%)
Gene name: CD630_22300
Sequence domains: Formate/nitrite transporter
Structure domains: Glycerol uptake facilitator protein.

Ligands and Environments

2 bound ligands:
Ligand ZN 5 x ZN
Ligand BOG 3 x BOG
No modified residues

Experiments and Validation Details

Entry percentile scores
X-ray source: NSLS BEAMLINE X25
Spacegroup: C2221
Unit cell:
a: 120.515Å b: 162.903Å c: 194.104Å
α: 90° β: 90° γ: 90°
R-values:
R R work R free
0.189 0.186 0.24
Expression system: Escherichia coli BL21(DE3)

Quick links

Citations

19 review citations

H₂S signalling through protein sulfhydration and beyond.
Paul et al. (2012)
18 more

4 mentions without citation

Identification and characterization of a bacterial hydrosulphide ion channel.
Czyzewski et al. (2012)
3 more