glycine metabolic pathway hydrophobic amino acid degradation pathway glycine degradation pathway 2013-05-08T13:54:02Z Glycine degradation PW:0001265 Those metabolic reactions involved in the degradation of glycine. Several routes are available, of which the glycine cleavage system is the predominant one. It occurs in the mitochondria and produces 5,10-methylene tetrahydrofolate and as such, is an important component of the folate cycle pathway. glycine catabolic process pathway vpetri