Definition
ChEBI: Ornithine is an alpha-amino acid that is pentanoic acid bearing two amino substituents at positions 2 and 5. It has a role as a human metabolite, a Daphnia magna metabolite, an algal metabolite and an Escherichia coli metabolite. It is a conjugate base of an ornithinium(1+). It is a conjugate acid of an ornithinate.
