catalytic activity:L-alanine + 2-oxoglutarate = pyruvate + L-glutamate.,cofactor:Pyridoxal phosphate.,pathway:Amino-acid degradation; L-alanine degradation via transaminase pathway; pyruvate from L-alanine: step 1/1.,similarity:Belongs to the class-I pyridoxal-phosphate-dependent aminotransferase family. Alanine aminotransferase subfamily.,subunit:Homodimer.,tissue specificity:Expressed at high levels in muscle, adipose tissue, kidney and brain and at lower levels in the liver and breast.,
mitochondrion,mitochondrial matrix,
Expressed at high levels in muscle, adipose tissue, kidney and brain and at lower levels in the liver and breast.