label: O-(beta-L-arabinofuranosyl)-trans-4-hydroxy-L-prolyl-[protein] + UDP + H(+) => trans-4-hydroxy-L-prolyl-[protein] + UDP-beta-L-arabinofuranose
label_lc: o-(beta-l-arabinofuranosyl)-trans-4-hydroxy-l-prolyl-[protein] + udp + h(+) => trans-4-hydroxy-l-prolyl-[protein] + udp-beta-l-arabinofuranose