› 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
PDB 4x3q coloured by chain and viewed from the front.
PDB 4x3q coloured by chain and viewed from the side.
PDB 4x3q coloured by chain and viewed from the top.
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)
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:

Ligands and Environments

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

Experiments and Validation Details

Entry percentile scores
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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