› 3nei

X-ray diffraction
2.5Å resolution

Crystal structure of Precorrin-4 C11-methyltransferase from Rhodobacter capsulatus (no SAH bound)

Released:
DOI: 10.2210/pdb3nei/pdb
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PDB entry 3nei coloured by chain, front view.
PDB entry 3nei coloured by chain, side view.
PDB entry 3nei coloured by chain, top view.
Source organism: Rhodobacter capsulatus SB 1003
Entry authors: Seyedarabi A, Pickersgill RW

Function and Biology Details

Reaction catalysed: 
S-adenosyl-L-methionine + precorrin-4 = S-adenosyl-L-homocysteine + precorrin-5
Biochemical function:
Biological process:
Cellular component:
  • not assigned
Sequence domains:

Structure analysis Details

Assembly composition:
homo dimer (preferred)
Assembly name:
PDBe Complex ID:
PDB-CPX-130601 (preferred)
Entry contents:
1 distinct polypeptide molecule
Macromolecule:
Precorrin-4 C(11)-methyltransferase Chains: A, B
Molecule details ›
Chains: A, B
Length: 281 amino acids
Theoretical weight: 29.9 KDa
Source organism: Rhodobacter capsulatus SB 1003
Expression system: Escherichia coli
UniProt:
  • Canonical: O68100 (Residues: 1-261; Coverage: 100%)
Gene names: RCAP_rcc02040, cobM
Sequence domains: Tetrapyrrole (Corrin/Porphyrin) Methylases
Structure domains:

Ligands and Environments

2 bound ligands:
Ligand SO4 2 x SO4
Ligand GOL 1 x GOL
No modified residues

Experiments and Validation Details

Entry percentile scores
X-ray source: ESRF BEAMLINE ID29
Unit cell:
a: 51.046Å b: 54.499Å c: 175.85Å
α: 90° β: 90° γ: 90°
R-values:
R R work R free
0.184 0.181 0.242
Expression system: Escherichia coli

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