. "\"Catalysis of the reaction: L-arginine + H2O = L-ornithine + urea.\" [EC:3.5.3.1]" . . "arginase activity" . "arginine amidinase activity" . "arginine transamidinase activity" . "canavanase activity" . "L-arginase activity" . "L-arginine amidinohydrolase activity" . "EC:3.5.3.1" . "MetaCyc:ARGINASE-RXN" . "Reactome:REACT_104545 \"arginine + H2O => ornithine + urea [ARG1], Mus musculus\"" . "Reactome:REACT_105138 \"arginine + H2O => ornithine + urea [ARG1], Saccharomyces cerevisiae\"" . "Reactome:REACT_105399 \"arginine + H2O => ornithine + urea [ARG1], Rattus norvegicus\"" . "Reactome:REACT_112789 \"arginine + H2O => ornithine + urea [ARG1], Caenorhabditis elegans\"" . "Reactome:REACT_115584 \"arginine + H2O => ornithine + urea, Gallus gallus\"" . "Reactome:REACT_21325 \"arginine + H2O => ornithine + urea [ARG2], Homo sapiens\"" . "Reactome:REACT_29262 \"arginine + H2O => ornithine + urea [ARG1], Drosophila melanogaster\"" . "Reactome:REACT_394 \"arginine + H2O => ornithine + urea [ARG1], Homo sapiens\"" . "Reactome:REACT_80504 \"arginine + H2O => ornithine + urea [ARG1], Sus scrofa\"" . "Reactome:REACT_83897 \"arginine + H2O => ornithine + urea [ARG1], Plasmodium falciparum\"" . "Reactome:REACT_84916 \"arginine + H2O => ornithine + urea [ARG1], Canis familiaris\"" . "Reactome:REACT_94417 \"arginine + H2O => ornithine + urea [ARG1], Xenopus tropicalis\"" . "Reactome:REACT_94917 \"arginine + H2O => ornithine + urea [ARG1], Schizosaccharomyces pombe\"" . "Reactome:REACT_99000 \"arginine + H2O => ornithine + urea [ARG1], Bos taurus\"" . "Reactome:REACT_99109 \"arginine + H2O => ornithine + urea [ARG1], Staphylococcus aureus N315\"" . "Reactome:REACT_99872 \"arginine + H2O => ornithine + urea [ARG1], Danio rerio\"" . "RHEA:20572" . .