https://www.ncbi.nlm.nih.gov/Structure/pdb/5MPR
5MPR: Single Amino Acid Variant of Human Mitochondrial Branched Chain Amino Acid Aminotransferase 2
Branched-chain-amino-acid aminotransferase, mitochondrial1,2-ETHANEDIOLPYRIDOXAL-5'-PHOSPHATE
amino acid