Protein
Rhamnogalacturonan I rhamnosyltransferase 1
Organism
Arabidopsis thaliana
Function
Glycosyltransferase involved in the formation of rhamnogalacturonan I (RG-I) oligosaccharides in the seed coat mucilage, which is a specialized cell wall with abundant RG-I (PubMed:30082766). Transfers the rhamnose residue from UDP-beta-L-rhamnose to RG-I oligosaccharides (PubMed:30082766). Prefers RG-I oligosaccharides with a degree of polymerization of 5 or larger than 5 (PubMed:30082766). Does not act on oligosaccharides with a degree of polymerization of 4 or smaller than 4 (PubMed:30082766). Does not require metal ions for its activity (PubMed:30082766).
Similarity
Belongs to the glycosyltransferase GT106 family.
Sequence
MCKMEKFLYHRKLWEMNVKLLGESKVEKLKNSFVSRPRMSLWMIRAVTVLLLWSCFVHLMALGEMWGPRLFKGWPSCFNHHQLSTAAEMTSLPTKIALPPKRVYVNNGYLMVSCNGGLNQMRAAICDMVTVARYMNVTLIVPELDKTSFWNDPSEFKDIFDVDHFISSLRDEVRILKELPPRLKKRVELGVYHEMPPISWSNMSYYQNQILPLVKKHKVLHLNRTDTRLANNGLPVEVQKLRCRVNFNGLKFTPQIEELGRRVVKILREKGPFLVLHLRYEMDMLAFSGCSHGCNPEEEEELTRMRYAYPWWKEKVINSELKRKDGLCPLTPEETALTLTALGIDRNVQIYIAAGEIYGGQRRMKALTDAFPNVVRKETLLESSDLDFCRNHSSQMAALDYLVALESDIFVPTNDGNMARVVEGHRRFLGFKKTIQLNRRFLVKLIDEYTEGLLSWDVFSSTVKAFHSTRMGSPKRRLVIPNRPKEEDYFYANPQECLQLLDEPLRVI