Protein
Probable arabinosyltransferase ARAD1
Organism
Arabidopsis thaliana
Function
Probable arabinosyl transferase responsible for the polymerization of arabinose into the arabinan of arabinogalactan. May function as inverting enzyme using UDP-beta-L-arabinopyranoside. May be important for arabinan side chains of rhamnogalacturonan I (RG-I), a major component of pectins. Cell wall pectic arabinans are involved in thigmomorphogenesis response of inflorescence stems to mechanical stress.
Similarity
Belongs to the glycosyltransferase 47 family.
Sequence
MARKSSLLKRAAIAVVSVIAIYVILNASVSRSLPSSSDLPRQLIREDDDDEGRAPIQPRVRVYMYNLPKRFTYGLIEQHSIARGGIKKPVGDVTTLKYPGHQHMHEWYLFSDLNQPEVDRSGSPIVRVSDPADADLFYVPVFSSLSLIVNAGRPVEAGSGYSDEKMQEGLVEWLEGQEWWRRNAGRDHVIPAGDPNALYRILDRVKNAVLLVSDFGRLRPDQGSFVKDVVIPYSHRVNLFNGEIGVEDRNTLLFFMGNRYRKDGGKVRDLLFQVLEKEDDVTIKHGTQSRENRRAATKGMHTSKFCLNPAGDTPSACRLFDSIVSLCVPLIVSDSIELPFEDVIDYRKFSIFVEANAALQPGFLVQMLRKIKTKKILEYQREMKSVRRYFDYDNPNGAVKEIWRQVSHKLPLIKLMSNRDRRLVLRNLTEPNCSCLCTNQTGLITSI