PDBe 1dl5

X-ray diffraction
1.8Å resolution



Function and Biology Details

Reaction catalysed:
S-adenosyl-L-methionine + protein L-isoaspartate = S-adenosyl-L- homocysteine + protein L-isoaspartate alpha-methyl ester. 
Biochemical function:
Cellular component:

Structure analysis Details

Assembly composition:
homo dimer (preferred)
Entry contents:
1 distinct polypeptide molecule
Protein-L-isoaspartate O-methyltransferase Chains: A, B
Molecule details ›
Chains: A, B
Length: 317 amino acids
Theoretical weight: 36.44 KDa
Source organism: Thermotoga maritima
Expression system: Escherichia coli
  • Canonical: Q56308 (Residues: 1-317; Coverage: 100%)
Gene names: TM_0704, pcm
Sequence domains:
Structure domains:

Ligands and Environments

3 bound ligands:

No modified residues

Experiments and Validation Details

Entry percentile scores
X-ray source: RIGAKU RUH2R
Spacegroup: P21
Unit cell:
a: 51.06Å b: 98.91Å c: 76.86Å
α: 90° β: 105.66° γ: 90°
R R work R free
0.182 0.182 0.203
Expression system: Escherichia coli