› 1i1h

X-ray diffraction
2.6Å resolution

CRYSTAL STRUCTURE ANALYSIS OF PRECORRIN-8X METHYLMUTASE COMPLEX WITH HYDROGENOBYRINIC ACID

Released:
DOI: 10.2210/pdb1i1h/pdb
PDB entry 1i1h coloured by chain, front view.
PDB entry 1i1h coloured by chain, side view.
PDB entry 1i1h coloured by chain, top view.
Source organism: Pseudomonas denitrificans (nom. rej.)
Primary publication:
Crystal structure of precorrin-8x methyl mutase.
Shipman LW, Li D, Roessner CA, Scott AI, Sacchettini JC
Structure 9 587-96 (2001)
PMID: 11470433

Function and Biology Details

Reaction catalysed: 
Precorrin-8X = hydrogenobyrinate
Biochemical function:
Biological process:
Cellular component:
  • not assigned
Sequence domains:
Structure domain:

Structure analysis Details

Assembly composition:
homo dimer (preferred)
Assembly name:
PDBe Complex ID:
PDB-CPX-149337 (preferred)
Entry contents:
1 distinct polypeptide molecule
Macromolecule:
Precorrin-8X methylmutase Chain: A
Molecule details ›
Chain: A
Length: 219 amino acids
Theoretical weight: 23.22 KDa
Source organism: Pseudomonas denitrificans (nom. rej.)
Expression system: Escherichia coli BL21(DE3)
UniProt:
  • Canonical: P21638 (Residues: 2-210; Coverage: 100%)
Gene name: cobH
Sequence domains: Precorrin-8X methylmutase
Structure domains: Cobalamin biosynthesis CobH/CbiC, precorrin-8X methylmutase

Ligands and Environments

1 bound ligand:
Ligand COJ 1 x COJ
No modified residues

Experiments and Validation Details

Entry percentile scores
X-ray source: RIGAKU
Spacegroup: C2
Unit cell:
a: 90.1Å b: 36.6Å c: 60.3Å
α: 90° β: 113.8° γ: 90°
R-values:
R R work R free
0.227 0.227 0.218
Expression system: Escherichia coli BL21(DE3)

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Citations

3 review citations

Biosynthesis of the modified tetrapyrroles-the pigments of life.
Bryant et al. (2020)
2 more

3 mentions without citation

The requirement for cobalt in vitamin B12: A paradigm for protein metalation.
Osman et al. (2021)
2 more