The Enzyme Database

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Accepted name: 2-oxoglutarate decarboxylase
Reaction: 2-oxoglutarate = succinate semialdehyde + CO2
For diagram of the citric acid cycle, click here
Glossary: thiamine diphosphate = 3-[(4-amino-2-methylpyrimidin-5-yl)methyl]-5-(2-diphosphoethyl)-4-methyl-1,3-thiazolium
Other name(s): oxoglutarate decarboxylase; α-ketoglutarate decarboxylase; α-ketoglutaric decarboxylase; pre-2-oxoglutarate decarboxylase; 2-oxoglutarate carboxy-lyase
Systematic name: 2-oxoglutarate carboxy-lyase (succinate-semialdehyde-forming)
Comments: Requires thiamine diphosphate. Highly specific.
Links to other databases: BRENDA, EXPASY, KEGG, MetaCyc, CAS registry number: 37205-42-8
1.  Shigeoka, S., Onishi, T., Maeda, K., Nakano, Y. and Kitaoka, S. Occurrence of thiamin pyrophosphate-dependent 2-oxoglutarate decarboxylase in mitochondria of Euglena gracilis. FEBS Lett. 195 (1986) 43–47.
[EC created 1989]

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