preferred_name: XDH oxidizes xanthine to form urate (Xenopus tropicalis)
preferred_name_lc: xdh oxidizes xanthine to form urate (xenopus tropicalis)
label: XDH oxidizes xanthine to form urate (Xenopus tropicalis)
label_lc: xdh oxidizes xanthine to form urate (xenopus tropicalis)