CATH Classification

Domain Context

CATH Clusters

Superfamily Spore Coat Polysaccharide Biosynthesis Protein SpsA; Chain A
Functional Family Galactosylgalactosylxylosylprotein 3-beta-glucuronosyltransferase

Enzyme Information

2.4.1.135
Galactosylgalactosylxylosylprotein 3-beta-glucuronosyltransferase.
based on mapping to UniProt Q9NPZ5
UDP-alpha-D-glucuronate + [protein]-3-O-(beta-D-galactosyl-(1->3)-beta-D- galactosyl-(1->4)-beta-D-xylosyl)-L-serine = UDP + [protein]-3-O-(beta-D- GlcA-(1->3)-beta-D-Gal-(1->3)-beta-D-Gal-(1->4)-beta-D-Xyl)-L-serine.
-!- Involved in the biosynthesis of the linkage region of glycosaminoglycan chains as part of proteoglycan biosynthesis (chondroitin, dermatan and heparan sulfates).

UniProtKB Entries (1)

Q9NPZ5
B3GA2_HUMAN
Homo sapiens
Galactosylgalactosylxylosylprotein 3-beta-glucuronosyltransferase 2

PDB Structure

PDB 2D0J
External Links
Method X-RAY DIFFRACTION
Organism Escherichia
Primary Citation
Crystal structure of GlcAT-S, a human glucuronyltransferase, involved in the biosynthesis of the HNK-1 carbohydrate epitope
Shiba, T., Kakuda, S., Ishiguro, M., Morita, I., Oka, S., Kawasaki, T., Wakatsuki, S., Kato, R.
To be published