1l3b

X-ray diffraction
2.65Å resolution

MT0146, THE PRECORRIN-6Y METHYLTRANSFERASE (CBIT) HOMOLOG FROM M. THERMOAUTOTROPHICUM, C2 SPACEGROUP W/ LONG CELL

Released:

Function and Biology Details

Reaction catalysed:
S-adenosyl-L-methionine + cobalt-precorrin-6B = S-adenosyl-L-homocysteine + cobalt-precorrin-7 + CO(2)
Biological process:
Cellular component:
  • not assigned

Structure analysis Details

Assembly composition:
homo tetramer (preferred)
PDBe Complex ID:
PDB-CPX-127824 (preferred)
Entry contents:
1 distinct polypeptide molecule
Macromolecule:
Probable cobalt-precorrin-6B C(15)-methyltransferase (decarboxylating) Chains: A, B, C, D, E, F, G, H
Molecule details ›
Chains: A, B, C, D, E, F, G, H
Length: 192 amino acids
Theoretical weight: 21.11 KDa
Source organism: Methanothermobacter thermautotrophicus
Expression system: Escherichia coli
UniProt:
  • Canonical: O26249 (Residues: 1-192; Coverage: 100%)
Gene names: MTH_146, cbiT
Sequence domains: Methyltransferase domain
Structure domains: Vaccinia Virus protein VP39

Ligands and Environments

No bound ligands
1 modified residue:

Experiments and Validation Details

Entry percentile scores
X-ray source: APS BEAMLINE 19-ID
Spacegroup: C2
Unit cell:
a: 141.3Å b: 59.2Å c: 192.2Å
α: 90° β: 108.6° γ: 90°
R-values:
R R work R free
0.246 0.246 0.286
Expression system: Escherichia coli