Saccharopine dehydrogenase (NAD+, L-lysine-forming)
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In enzymology, a saccharopine dehydrogenase (NAD+, L-lysine-forming) (EC 1.5.1.7) is an enzyme that catalyzes the chemical reaction
- N6-(L-1,3-dicarboxypropyl)-L-lysine + NAD+ + H2O L-lysine + 2-oxoglutarate + NADH + H+
saccharopine dehydrogenase (NAD+, L-lysine-forming) | |||||||||
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Identifiers | |||||||||
EC no. | 1.5.1.7 | ||||||||
CAS no. | 9073-96-5 | ||||||||
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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The 3 substrates of this enzyme are N6-(L-1,3-dicarboxypropyl)-L-lysine, NAD+, and H2O, whereas its 4 products are L-lysine, 2-oxoglutarate, NADH, and H+.
This enzyme belongs to the family of oxidoreductases, specifically those acting on the CH-NH group of donors with NAD+ or NADP+ as acceptor. The systematic name of this enzyme class is N6-(L-1,3-dicarboxypropyl)-L-lysine:NAD+ oxidoreductase (L-lysine-forming). Other names in common use include lysine-2-oxoglutarate reductase, dehydrogenase, saccharopine (nicotinamide adenine dinucleotide,, lysine forming), epsilon-N-(L-glutaryl-2)-L-lysine:NAD oxidoreductase (L-lysine, forming), N6-(glutar-2-yl)-L-lysine:NAD oxidoreductase (L-lysine-forming), 6-N-(L-1,3-dicarboxypropyl)-L-lysine:NAD+ oxidoreductase, and (L-lysine-forming). This enzyme participates in lysine biosynthesis and lysine degradation.