L-Lysine

Lysine was first isolated from casein (milk protein) by Drechsel in 1889. Its structure was elucidated in 1902. Crystalline lysine was first prepared by Vickery and Leavenworth in 1928. The synthesis of lysine was first accomplished by Fischer and Weigert who treated 7-cyanopropylmalonic ester with nitrous acid.

IUPAC Name: (2S)-2,6-Diaminohexanoic acid
Symbol: Lys or K
Molecular Weight: 146.18756 g/mol
Molecular Formula: C6H14N2O2
Canonical SMILES: C(CCN)CC(C(=O)O)N
Isomeric SMILES: C(CCN)C[C@@H](C(=O)O)N
InChIKey Identifier: KDXKERNSBIXSRK-RJFJIGAVDG
CAS Number: 56-87-1
MDL Number: MFCD00064433
Melting point: 215 °C
Solubility in water: 1500 g/L (25 °C)
2D Molfile: Get the molfile
3D PDB file: Get the PDB file
Other names: alpha-Lysine; (+)-S-Lysine; (S)-2,6-Diamino-hexanoic acid

Load 3D Structure of Lysine

L-Lysine is a necessary building block for all protein in the body. L-Lysine plays a major role in calcium absorption; building muscle protein; recovering from surgery or sports injuries; and the body's production of hormones, enzymes, and antibodies.

Go to Amino Acids index page.