This is a family of glycine cleavage T-proteins, part of the glycine cleavage multienzyme complex (GCV) found in bacteria and the mitochondria of eukaryotes. GCV catalyses the catabolism of glycine in eukaryotes. The T-protein is an aminomethyl transferase.

1: Cloning, and molecular characterization of the GCV1 gene encoding the glycine cleavage T-protein from Saccharomyces cerevisiae. McNeil JB, Zhang F, Taylor BV, Sinclair DA, Pearlman RE, Bognar AL; Gene 1997;186:13-20. PMID:9047339