preferred_name: arginine + glycine => ornithine + guanidoacetate (Xenopus tropicalis)
preferred_name_lc: arginine + glycine => ornithine + guanidoacetate (xenopus tropicalis)
label: arginine + glycine => ornithine + guanidoacetate (Xenopus tropicalis)
label_lc: arginine + glycine => ornithine + guanidoacetate (xenopus tropicalis)