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