Which enzyme is responsible for catalyzing the transamination reaction in amino acid metabolism?

A Aminotransferase ✓
B Dehydrogenase
C Decarboxylase
D Carboxylase

Explanation

Aminotransferases, also known as transaminases, catalyze the transfer of an amino group from an amino acid to a keto acid, playing a crucial role in amino acid metabolism and nitrogen balance.

Mnemonic

'Trans'fer = 'transfer' of amino group

Source

Nelson et al., Lehninger Principles of Biochemistry
Protein Metabolism Biochemistry Amino Acid Metabolism Easy MEDICAL Confidence: high