SDMVIP(LA)13C5 is derived from L-Ornithine-13C5,15N2 Hydrochloride (O695552), which is labelled L-Ornithine (O695550). Non-essential amino acid for human development but is required intermediate in arginine biosynthesis. Found in virtually all vertebrate tissues as well as incorporated into proteins, such as tyrocidine. Isolation from chicken excreta.