S-adenosyl-L-methionine

SAM molecule
Monomeric molecular weight: 0.4 kDa
Oligomeric state: Monomer
Total molecular weight: 0.4 kDa
Chemical formula:

S-adenosyl-L-methionine (SAM) is a metabolite cofactor for methyl transfer reactions. SAM is the ligand for SAM-I riboswitches.