RT Book, Section A1 Koeller, David M. A2 Kline, Mark W. SR Print(0) ID 1182928542 T1 Disorders of Metabolism of Lysine and Related Compounds T2 Rudolph's Pediatrics, 23e YR 2018 FD 2018 PB McGraw-Hill Education PP New York, NY SN 9781259588594 LK accesspediatrics.mhmedical.com/content.aspx?aid=1182928542 RD 2024/04/25 AB Lysine is an essential amino acid that can be degraded via 2 alternative pathways. The predominant route is via the saccharopine pathway, with the peroxisomal pipecolic acid pathway playing a relatively minor role. Degradation of lysine through either pathway leads to the formation of α-aminoadipic semialdehyde, which is catabolized to acetyl-coenzyme A (CoA) and enters the tricarboxylic acid (TCA) cycle.