The multienzyme glycine cleavage system (GCS) converts glycine and tetrahydrofolate to the one-carbon compound 5,10-methylenetetrahydrofolate, which is of vital importance for most if not all organisms. Photorespiring plant mitochondria contain very high levels of GCS proteins organized as a fragile...
ORGANISM(S): Pisum sativum (Garden pea) Arabidopsis thaliana (Mouse-ear cress)