CATH Domain 1v82A00

CATH Classification

Level	CATH Code	Description
	3	Alpha Beta
	3.90	Alpha-Beta Complex
	3.90.550	Spore Coat Polysaccharide Biosynthesis Protein SpsA; Chain A
	3.90.550.10	Spore Coat Polysaccharide Biosynthesis Protein SpsA; Chain A

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 Q9P2W7

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)

Q9P2W7

B3GA1_HUMAN

Homo sapiens

Galactosylgalactosylxylosylprotein 3-beta-glucuronosyltransferase 1

PDB Structure

PDB	1V82
External Links	PDBSum Proteopedia
Method	X-RAY DIFFRACTION
Organism	Escherichia
Primary Citation	Structural Basis for Acceptor Substrate Recognition of a Human Glucuronyltransferase, GlcAT-P, an Enzyme Critical in the Biosynthesis of the Carbohydrate Epitope HNK-1 Kakuda, S., Shiba, T., Ishiguro, M., Tagawa, H., Oka, S., Kajihara, Y., Kawasaki, T., Wakatsuki, S., Kato, R. J.Biol.Chem.