arginine N-succinyltransferase | |||||||||
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Identifiers | |||||||||
EC no. | 2.3.1.109 | ||||||||
CAS no. | 99676-48-9 | ||||||||
Databases | |||||||||
IntEnz | IntEnz view | ||||||||
BRENDA | BRENDA entry | ||||||||
ExPASy | NiceZyme view | ||||||||
KEGG | KEGG entry | ||||||||
MetaCyc | metabolic pathway | ||||||||
PRIAM | profile | ||||||||
PDB structures | RCSB PDB PDBe PDBsum | ||||||||
Gene Ontology | AmiGO / QuickGO | ||||||||
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In enzymology, an arginine N-succinyltransferase (EC 2.3.1.109) is an enzyme that catalyzes the chemical reaction
Thus, the two substrates of this enzyme are succinyl-CoA and L-arginine, whereas its two products are CoA and N2-succinyl-L-arginine. [1]
This enzyme belongs to the family of transferases, specifically those acyltransferases transferring groups other than aminoacyl groups. The systematic name of this enzyme class is succinyl-CoA:L-arginine N2-succinyltransferase. Other names in common use include arginine succinyltransferase, AstA, arginine and ornithine N2-succinyltransferase, AOST, AST, and succinyl-CoA:L-arginine 2-N-succinyltransferase. This enzyme participates in arginine and proline metabolism.
As of late 2007, only one structure has been solved for this class of enzymes, with the PDB accession code 1YLE.
Cometabolism is defined as the simultaneous degradation of two compounds, in which the degradation of the second compound depends on the presence of the first compound. This is in contrast to simultaneous catabolism, where each substrate is catabolized concomitantly by different enzymes. Cometabolism occurs when an enzyme produced by an organism to catalyze the degradation of its growth-substrate to derive energy and carbon from it is also capable of degrading additional compounds. The fortuitous degradation of these additional compounds does not support the growth of the bacteria, and some of these compounds can even be toxic in certain concentrations to the bacteria.
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