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GAMT

Function

Converts guanidinoacetate to creatine, using S-adenosylmethionine as the methyl donor (PubMed:26003046, PubMed:24415674, PubMed:26319512). Important in nervous system development (PubMed:24415674).

Involvement in disease

Cerebral creatine deficiency syndrome 2

CCDS2

An autosomal recessive disorder characterized by developmental delay and regression, mental retardation, severe disturbance of expressive and cognitive speech, intractable seizures, movement disturbances, severe depletion of creatine and phosphocreatine in the brain, and accumulation of guanidinoacetic acid in brain and body fluids.

None

The disease is caused by variants affecting the gene represented in this entry.

Pathway

Amine and polyamine biosynthesis; creatine biosynthesis; creatine from L-arginine and glycine: step 2/2.

Sequence similarities

Belongs to the class I-like SAM-binding methyltransferase superfamily. RMT2 methyltransferase family.

Tissue specificity

Expressed in liver.

Alternative names

  • Guanidinoacetate N-methyltransferase
  • GAMT

Target type

Proteins

Molecular weight

26318Da