GAMT is a symbol for the gene, Guanidinoacetate N-methyltransferase, in humans. Other names include: Guanidinoacetate N-methyltransferase ; CCDS2; HEL-S-20; PIG2; TP53I2. The encoded protein is an enzyme with an amino acid length of 236 and a mass of 26.3 kDa. GAMT is a member of the Class I-like SAM-binding methyltransferase superfamily, RMT2 methyltransferase family. This gene shares homology with other species, including: Mouse, Rat, Zebrafish, Frog, Chicken.