› 3m0b

X-ray diffraction
2Å resolution

Ru-Porphyrin Protein Scaffolds for Sensing O2

Released:
DOI: 10.2210/pdb3m0b/pdb
PDB entry 3m0b coloured by chain, front view.
PDB entry 3m0b coloured by chain, side view.
PDB entry 3m0b coloured by chain, top view.
Source organism: Caldanaerobacter subterraneus subsp. tengcongensis
Primary publication:
Ru-porphyrin protein scaffolds for sensing O2.
Winter MB, McLaurin EJ, Reece SY, Olea C, Nocera DG, Marletta MA
J Am Chem Soc 132 5582-3 (2010)
PMID: 20373741

Function and Biology Details

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

Structure analysis Details

Assembly composition:
monomeric (preferred)
Assembly name:
PDBe Complex ID:
PDB-CPX-185951 (preferred)
Entry contents:
1 distinct polypeptide molecule
Macromolecule:
Methyl-accepting transducer domain-containing protein Chain: A
Molecule details ›
Chain: A
Length: 188 amino acids
Theoretical weight: 22.05 KDa
Source organism: Caldanaerobacter subterraneus subsp. tengcongensis
UniProt:
  • Canonical: Q8RBX6 (Residues: 1-188; Coverage: 31%)
Gene names: TTE0680, Tar4
Sequence domains: Haem-NO-binding
Structure domains: H-NOX domain

Ligands and Environments

2 bound ligands:
Ligand RUR 1 x RUR
Ligand CMO 1 x CMO
No modified residues

Experiments and Validation Details

Entry percentile scores
X-ray source: ALS BEAMLINE 8.3.1
Spacegroup: P6122
Unit cell:
a: 61.183Å b: 61.183Å c: 245.116Å
α: 90° β: 90° γ: 120°
R-values:
R R work R free
0.206 0.204 0.225

Quick links

Citations

6 review citations

Metalloprotein design using genetic code expansion.
Hu et al. (2014)
5 more

1 mention without citation

Designer Heme Proteins: Achieving Novel Function with Abiological Heme Analogues.
Lemon et al. (2021)