GPT
Function
Catalyzes the reversible transamination between alanine and 2-oxoglutarate to form pyruvate and glutamate. Participates in cellular nitrogen metabolism and also in liver gluconeogenesis starting with precursors transported from skeletal muscles (By similarity).
Pathway
Amino-acid degradation; L-alanine degradation via transaminase pathway; pyruvate from L-alanine: step 1/1.
Post-translational modifications
Glycation of Lys-11 inactivates the enzyme.
Sequence Similarities
Belongs to the class-I pyridoxal-phosphate-dependent aminotransferase family. Alanine aminotransferase subfamily.
Cellular localization
- Cytoplasm
Alternative names
AAT1, GPT1, GPT, Alanine aminotransferase 1, ALT1, Glutamate pyruvate transaminase 1, Glutamic--alanine transaminase 1, Glutamic--pyruvic transaminase 1, GPT 1