The Enzyme Database

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EC 1.4.4.2     
Accepted name: glycine dehydrogenase (aminomethyl-transferring)
Reaction: glycine + [glycine-cleavage complex H protein]-N6-lipoyl-L-lysine = [glycine-cleavage complex H protein]-S-aminomethyl-N6-dihydrolipoyl-L-lysine + CO2
For diagram of glycine cleavage system, click here
Glossary: dihydrolipoyl group
Other name(s): P-protein; glycine decarboxylase; glycine-cleavage complex; glycine:lipoylprotein oxidoreductase (decarboxylating and acceptor-aminomethylating); protein P1; glycine dehydrogenase (decarboxylating); glycine cleavage system P-protein; glycine-cleavage complex P-protein
Systematic name: glycine:H-protein-lipoyllysine oxidoreductase (decarboxylating, acceptor-amino-methylating)
Comments: A pyridoxal-phosphate protein. A component of the glycine cleavage system, which is composed of four components that only loosely associate: the P protein (EC 1.4.4.2), the T protein (EC 2.1.2.10, aminomethyltransferase), the L protein (EC 1.8.1.4, dihydrolipoyl dehydrogenase) and the lipoyl-bearing H protein [3]. Previously known as glycine synthase.
Links to other databases: BRENDA, EXPASY, KEGG, MetaCyc, PDB, CAS registry number: 37259-67-9
References:
1.  Hiraga, K. and Kikuchi, G. The mitochondrial glycine cleavage system. Functional association of glycine decarboxylase and aminomethyl carrier protein. J. Biol. Chem. 255 (1980) 11671–11676. [PMID: 7440563]
2.  Perham, R.N. Swinging arms and swinging domains in multifunctional enzymes: catalytic machines for multistep reactions. Annu. Rev. Biochem. 69 (2000) 961–1004. [PMID: 10966480]
3.  Nesbitt, N.M., Baleanu-Gogonea, C., Cicchillo, R.M., Goodson, K., Iwig, D.F., Broadwater, J.A., Haas, J.A., Fox, B.G. and Booker, S.J. Expression, purification, and physical characterization of Escherichia coli lipoyl(octanoyl)transferase. Protein Expr. Purif. 39 (2005) 269–282. [PMID: 15642479]
[EC 1.4.4.2 created 1984, modified 2003, modified 2006, modified 2013]
 
 


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