preferred_name: arginine + H2O => ornithine + urea [ARG1] (Drosophila melanogaster)
preferred_name_lc: arginine + h2o => ornithine + urea [arg1] (drosophila melanogaster)
label: arginine + H2O => ornithine + urea [ARG1] (Drosophila melanogaster)
label_lc: arginine + h2o => ornithine + urea [arg1] (drosophila melanogaster)