Biology:GDP-6-deoxy-D-talose 4-dehydrogenase

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GDP-6-deoxy-D-talose 4-dehydrogenase
Identifiers
EC number1.1.1.135
CAS number37250-66-1
Databases
IntEnzIntEnz view
BRENDABRENDA entry
ExPASyNiceZyme view
KEGGKEGG entry
MetaCycmetabolic pathway
PRIAMprofile
PDB structuresRCSB PDB PDBe PDBsum
Gene OntologyAmiGO / QuickGO

In enzymology, a GDP-6-deoxy-D-talose 4-dehydrogenase (EC 1.1.1.135) is an enzyme that catalyzes the chemical reaction

GDP-6-deoxy-D-talose + NAD(P)+ [math]\displaystyle{ \rightleftharpoons }[/math] GDP-4-dehydro-6-deoxy-D-mannose + NAD(P)H + H+

The 3 substrates of this enzyme are GDP-6-deoxy-D-talose, NAD+, and NADP+, whereas its 4 products are GDP-4-dehydro-6-deoxy-D-mannose, NADH, NADPH, and H+.

This enzyme belongs to the family of oxidoreductases, specifically those acting on the CH-OH group of donor with NAD+ or NADP+ as acceptor. The systematic name of this enzyme class is GDP-6-deoxy-D-talose:NAD(P)+ 4-oxidoreductase. This enzyme is also called guanosine diphospho-6-deoxy-D-talose dehydrogenase. This enzyme participates in fructose and mannose metabolism.

References

  • "Biosynthesis of guanosine diphosphate D-rhamnose and guanosine diphosphate D-talomethylose from guanosine diphosphate alpha-D-mannose". The Journal of Biological Chemistry 239: 2091–8. July 1964. PMID 14209931.