Glutaconyl-CoA decarboxylase

In enzymology, a glutaconyl-CoA decarboxylase (EC 4.1.1.70) is an enzyme that catalyzes the chemical reaction

4-carboxybut-2-enoyl-CoA but-2-enoyl-CoA + CO2
glutaconyl-CoA decarboxylase
Identifiers
EC number4.1.1.70
CAS number84399-93-9
Databases
IntEnzIntEnz view
BRENDABRENDA entry
ExPASyNiceZyme view
KEGGKEGG entry
MetaCycmetabolic pathway
PRIAMprofile
PDB structuresRCSB PDB PDBe PDBsum
Gene OntologyAmiGO / QuickGO

Hence, this enzyme has one substrate, 4-carboxybut-2-enoyl-CoA, and two products, but-2-enoyl-CoA and CO2.

This enzyme belongs to the family of lyases, specifically the carboxy-lyases, which cleave carbon-carbon bonds. The systematic name of this enzyme class is 4-carboxybut-2-enoyl-CoA carboxy-lyase (but-2-enoyl-CoA-forming). Other names in common use include glutaconyl coenzyme A decarboxylase, pent-2-enoyl-CoA carboxy-lyase, and 4-carboxybut-2-enoyl-CoA carboxy-lyase. This enzyme participates in benzoate degradation via coa ligation and butanoate metabolism.

Structural studies

As of late 2007, only one structure has been solved for this class of enzymes, with the PDB accession code 1PIX.

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gollark: Doubly linked lists are memory inefficient, slow in operations people actually care about like iteration, and bad for caches.
gollark: .
gollark: If you must *append* fast use a sensible vector with separate capacity and length
gollark: If you must concat fast use ropes.

References
    • Buckel W, Semmler R (1983). "Purification, characterisation and reconstitution of glutaconyl-CoA decarboxylase, a biotin-dependent sodium pump from anaerobic bacteria". Eur. J. Biochem. 136 (2): 427–34. doi:10.1111/j.1432-1033.1983.tb07760.x. PMID 6628393.
    • Buckel W (2001). "Sodium ion-translocating decarboxylases". Biochim. Biophys. Acta. 1505 (1): 15–27. doi:10.1016/s0005-2728(00)00273-5. PMID 11248185.


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