Methionine sulfoximine (MSO) is an irreversible glutamine synthetase inhibitor. It is the sulfoximine derivative of methionine with convulsant effects.
D-methionine sulfoxide hydrochloride, the D-isomer of methionine sulfoxide hydrochloride, is the oxidation product of methionine. Methionine is a restrictive amino acid in milk or legume proteins and is easily oxidized during storage.
Dansylmethionine is a common cosubstrate involved in methyl group transfers, transsulfuration, and aminopropylation. Although these anabolic reactions occur throughout the body, most SAM-e is produced and consumed in the liver. More than 40 methyl transfe
[Met5]-Enkephalin, amide, is an agonist for δ opioid receptors and putative ζ (zeta) opioid receptors. Met-enkephalin circulates in several forms, some potentially derived from proteins other than proenkephalin A, with plasma levels including both free and bound forms.
Enkephalin-met, a naturally occurring opioid peptide used to regulate the growth of human colon cancer, can be used as an effective negative regulator of human gastrointestinal cancer and may suggest pathways for tumor etiology, progression, treatment and