SHEET /m/methionine · PubChem CID 876 · CAS 59-51-8 · REV 2026.07
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Methionine
from sourceC5H11NO2S · 149.21 g/mol
Hmet · DL-Methioninum · Acimetion · Lobamine
What is Methionine?
An essential sulfur-containing amino acid, and the one every protein starts with when a ribosome begins translating. from source
CategoryBody
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Fig. 1 · 2D structure RDKit
SMILES
CSCCC(C(=O)O)NWhere you'll find it
Your own body makes this one. It is not an ingredient you buy. See the rest of the body group.
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Where Methionine leads
Relatedcomputed
Glutamic acid50% similarBoth carry a carboxylic acid and an amine group.Homocysteine50% similarBoth carry a carboxylic acid and an amine group.Glutamine48% similarBoth carry a carboxylic acid and an amine group.Ornithine48% similarBoth carry a carboxylic acid and an amine group.Lysine46% similarBoth carry a carboxylic acid and an amine group.Cystine46% similarBoth carry a carboxylic acid and an amine group.