Methionine

3-letter Code
Met
1-letter Code
M
Side-Chain Polarity
  • Nonpolar
Side-Chain Class
  • Sulfur-containing
Side-Chain Charge
Neutral
pI
5.74
pKa (α-COOH)
2.13
pKa (α-NH3+)
9.28
Avg. Residue Mass (Da)
131.20
Monoisotopic Mass (Da)
131.04
MW (Da)
149.21
Hydropathy Index
1.90
van der Waals Volume
124
Optical Properties
Wikipedia Entry
Methionine
Ingredient(s) Using This Amino Acid
1 L-Methionine (solid)
2 L-Methionine, 10 mg/ml
3 L-Methionine, 50 mM