1ro8

X-ray diffraction
2.05Å resolution

Structural analysis of the sialyltransferase CstII from Campylobacter jejuni in complex with a substrate analogue, cytidine-5'-monophosphate

Released:

Function and Biology Details

Biochemical function:
  • not assigned
Biological process:
  • not assigned
Cellular component:
  • not assigned

Structure analysis Details

Assembly composition:
homo tetramer (preferred)
PDBe Complex ID:
PDB-CPX-192239 (preferred)
Entry contents:
1 distinct polypeptide molecule
Macromolecule:
Alpha-2,3/8-sialyltransferase Chains: A, B
Molecule details ›
Chains: A, B
Length: 262 amino acids
Theoretical weight: 30.94 KDa
Source organism: Campylobacter jejuni
Expression system: Escherichia coli BL21
UniProt:
  • Canonical: Q9LAK3 (Residues: 1-259; Coverage: 89%)
Gene name: cst-II
Sequence domains: Alpha-2,3-sialyltransferase (CST-I)
Structure domains: Alpha-2,3-sialyltransferase

Ligands and Environments

1 bound ligand:
1 modified residue:

Experiments and Validation Details

Entry percentile scores
X-ray source: NSLS BEAMLINE X25
Spacegroup: P4
Unit cell:
a: 115.434Å b: 115.434Å c: 41.059Å
α: 90° β: 90° γ: 90°
R-values:
R R work R free
0.258 0.22 0.262
Expression system: Escherichia coli BL21