methionine
Type: molecule Aliases: methionine synthesismethionine cycle
- Systems Analogy An essential building block that acts as the starting piece when building new proteins.
- Formal Definition An essential sulfur-containing amino acid that acts as a fundamental initiator of protein translation and a precursor to the universal methyl donor SAM.
Mentioned In
- Moleculehomocysteine, sulfur, Vitamin B12
Scientific Sources & Literature Citations
- [1] Book / Monograph Nelson DL, Cox MM. Lehninger Principles of Biochemistry. 8th ed. 2021. ↗
"Methionine is an essential amino acid with a nonpolar methylthioether side chain."