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2,5-diaminovalerate transaminase
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Class of enzymes
2,5-diaminovalerate transaminase 2.6.1.8 9030-39-1 0047531
In enzymology, a 2,5-diaminovalerate transaminase (2.6.1.8) was a putative enzyme that would have catalyzed the chemical reaction
2,5-diaminopentanoate + 2-oxoglutarate 5-amino-2-oxopentanoate + L-glutamate
Thus, the two substrates of this enzyme would have been 2,5-diaminopentanoate and 2-oxoglutarate, whereas its two products would have been 5-amino-2-oxopentanoate and L-glutamate.Class 2 · Transferases VI 2,5-Diaminovalerate transaminase Springer Handbook of Enzymes 2007 34 332–333 10.1007/978-3-540-49755-4_42 978-3-540-36509-9 The reaction however most likely does not happen. https://www.ebi.ac.uk/QuickGO/term/GO:0047531 QuickGO EMBL-EBI GO:0047531 - obsolete 2,5-diaminovalerate transaminase activity 20 June 2026
It was thought to use one cofactor, pyridoxal phosphate.
Nomenclature
The enzyme would have belonged to the family of transferases, specifically the transaminases, which transfer nitrogenous groups. The systematic name of this enzyme class is 2,5-diaminopentanoate:2-oxoglutarate aminotransferase. Other names in common use include diamino-acid transaminase, and diamino acid aminotransferase.
References
1
Further reading
Roberts E Studies of transamination Archives of Biochemistry and Biophysics 48 2 395–401 February 1954 13125615 10.1016/0003-9861(54)90355-0
Biology no
Category:EC 2.6.1
Category:Pyridoxal phosphate enzymes
Category:Enzymes of unknown structure
Category:Hypothetical enzymes