arginine + H2O => ornithine + urea [ARG1] (Xenopus tropicalis)
arginine + h2o => ornithine + urea [arg1] (xenopus tropicalis)
arginine + H2O => ornithine + urea [ARG1] (Xenopus tropicalis)
arginine + h2o => ornithine + urea [arg1] (xenopus tropicalis)