› 4x3q

X-ray diffraction
2.59Å resolution

Crystal structure of S-adenosylmethionine-dependent methyltransferase SibL in complex with SAH

Released:
DOI: 10.2210/pdb4x3q/pdb
Model geometry
Fit model/data
PDB entry 4x3q coloured by chain, front view.
PDB entry 4x3q coloured by chain, side view.
PDB entry 4x3q coloured by chain, top view.
Source organism: Streptosporangium sibiricum
Entry authors: liu JS, Chen SC, Yang CS, Huang CH, Chen Y

Function and Biology Details

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-111018 (preferred)
Entry contents:
1 distinct polypeptide molecule
Macromolecule:
SibL Chains: A, B, C, D
Molecule details ›
Chains: A, B, C, D
Length: 355 amino acids
Theoretical weight: 39.02 KDa
Source organism: Streptosporangium sibiricum
Expression system: Escherichia coli
UniProt:
  • Canonical: C0LTM6 (Residues: 1-344; Coverage: 100%)
Gene name: sibL
Sequence domains: O-methyltransferase domain

Ligands and Environments

1 bound ligand:
Ligand SAH 4 x SAH
1 modified residue:
Ligand MSE 8 x MSE

Experiments and Validation Details

wwPDB Validation report is not available for this entry.
X-ray source: NSRRC BEAMLINE BL13C1
Spacegroup: P212121
Unit cell:
a: 91.787Å b: 112.113Å c: 143.708Å
α: 90° β: 90° γ: 90°
R-values:
R R work R free
0.186 0.184 0.248
Expression system: Escherichia coli

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