hydroxyproline O-arabinosyltransferase activity
Catalysis of the reaction: trans-4-hydroxy-L-prolyl-[protein] + UDP-beta-L-arabinofuranose = H+ + O-(beta-L-arabinofuranosyl)-trans-4-hydroxy-L-prolyl-[protein] + UDP.
GO:0016763
pentosyltransferase activity
is_a
HPAT
exact