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. 2018 Apr-Jun;14(2):238–247. doi: 10.4183/aeb.2018.238

Figure 2.

Figure 2.

Major Mendelian diseases and location of related genes in the catabolism of BCAA. Mendelian diseases can be classified as function of genes involved in four steps: 1) gene involved in reversible transamination; 2) irreversible oxidation by the BCKDH complex including the BCKD kinase and PPM1K; 3) a series of rare diseases of intermediates in leucine, isoleucine and valine pathways; 4) genes involved in the distal phase of BCAA metabolism like the MUT gene.