Function
Beta-glucuronosyltransferase involved in the biosynthesis of type II arabinogalactan (AG). Modifies both the beta-1,6-linked galactan and beta-1,3-linked galactan present in type II AG. Transfers glucuronate to beta-1,6-galactooligosaccharides with degrees of polymerization ranging from 3 to 11. Transfers glucuronate to beta-1,3-galactooligosaccharides with degrees of polymerization ranging from 5 to 7. The addition of glucuronate at the O6 position may terminate galactose chain extension. Required for cell elongation during seedling growth.
Sequence
MKKLRSYYSNVRHHQNHHHHHHHHSNIVSSERKWIFFPLLIGSIFALFLLFLTTTLTSPTGGVRFLPFTRPVLLTGSGSSAFVESKIKPQQISSLPSPPRFAYLISGSAGDGKSLRRTLLALYHPNNRYVVHLDRESSREEREELHGYIKNSSLFRRFMNVHMIEKANLVTYRGPTMVANTLHAAAILLREGADWDWFINLSSSDYPLVTQDDLLHIFSHLPRDLNFIDHTSNIGWKASQRAKPVIIDPGLYLNKKSDVFWVTQRRSIPTAFKLFTGSAWMALSRPFVDYCIWGWDNLPRTVLMYYSNFLSSPEGYFHTVLCNAEEFRNTTVNSDLHFISWDNPPKQHPHHLTLTDMTKMVNSNAPFARKFRREDPVLDKIDDELLNRGPGMITPGGWCIGSHENGSDPCAVIGDTDVIRPGPGARRLENLVTSLLSTENFRSKQCK