6xkg

X-ray diffraction
1.55Å resolution

Crystal structure of 3-O-Sulfotransferase isoform 3 in complex with 8mer oligosaccharide with 6S sulfation

Released:

Function and Biology Details

Reaction catalysed:
3'-phosphoadenylyl sulfate + [heparan sulfate]-glucosamine = adenosine 3',5'-bisphosphate + [heparan sulfate]-glucosamine 3-sulfate
Biochemical function:
Biological process:
  • not assigned
Cellular component:
  • not assigned

Structure analysis Details

Assembly composition:
monomeric (preferred)
PDBe Complex ID:
PDB-CPX-195336 (preferred)
Entry contents:
1 distinct polypeptide molecule
Macromolecules (3 distinct):
Heparan sulfate glucosamine 3-O-sulfotransferase 3A1 Chains: A, B
Molecule details ›
Chains: A, B
Length: 273 amino acids
Theoretical weight: 31.22 KDa
Source organism: Homo sapiens
Expression system: Escherichia coli K-12
UniProt:
  • Canonical: Q9Y663 (Residues: 139-406; Coverage: 66%)
Gene names: 3OST3A1, HS3ST3A, HS3ST3A1, UNQ2551/PRO6180
Sequence domains: Sulfotransferase domain

Ligands and Environments

Carbohydrate polymer : NEW Components: BDP, SGN, IDS
Carbohydrate polymer : NEW Components: BDP, SGN, IDS, NGY
No modified residues

Experiments and Validation Details

Entry percentile scores
X-ray source: RIGAKU MICROMAX-007 HF
Spacegroup: C2
Unit cell:
a: 133.76Å b: 65.012Å c: 92.235Å
α: 90° β: 124.735° γ: 90°
R-values:
R R work R free
0.164 0.164 0.183
Expression system: Escherichia coli K-12