Succinyl-CoA ligase

From Bioblast


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Succinyl-CoA ligase

Description

Succinyl-CoA ligase (SUCLA or SUCLG) is a TCA cycle enzyme converting succinyl-CoA + ADP or (GDP) + Pi to succinate + ATP (GTP). Two different isoforms exsist: SUCLA (EC: 6.2.1.5) is the ATP-forming isoenzyme, SUCLG (EC: 6.2.1.4) is the GTP-forming isoenzyme. Both reactions are reversible. This reaction is attributed to mitochondrial substrate-level phosphorylation, which is considered as an alternative way of ATP synthesis because it is partially independent from the respiratory chain and from the mitochondrial proton motive force.

Abbreviation: SUCLA, SUCLG

Reference: PMID:24085565






MitoPedia topics: Enzyme 

Communicated by Komlodi T (2016-11-30)
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