Literature summary for 4.2.1.43 extracted from

Stoolmiller, A.C.
L-2-Keto-3-deoxyarabonate dehydratase (1975), Methods Enzymol., 42C, 308-315.

Search for more literature for 4.2.1.43

Inhibitors

Inhibitors	Comment	Organism	Structure
DL-2-keto-3-hydroxypentanoate	-	Pelomonas saccharophila
NaBH4	-	Pelomonas saccharophila
p-hydroxymercuribenzoate	-	Pelomonas saccharophila
pyruvate	-	Pelomonas saccharophila

KM Value [mM]

KM Value [mM]	KM Value Maximum [mM]	Substrate	Comment	Organism	Structure
0.07	-	2-dehydro-3-deoxy-L-arabinonate	-	Pelomonas saccharophila

Molecular Weight [Da]

Molecular Weight [Da]	Molecular Weight Maximum [Da]	Comment	Organism
85000	-	gel filtration	Pelomonas saccharophila

Organism

Organism	UniProt	Comment	Textmining
Pelomonas saccharophila	-	-	-

Specific Activity [micromol/min/mg]

Specific Activity Minimum [µmol/min/mg]	Specific Activity Maximum [µmol/min/mg]	Comment	Organism
54	-	-	Pelomonas saccharophila

Storage Stability

Storage Stability	Organism
4°C, 10 mM phosphate buffer, pH 7.5, 20% (NH4)2SO4	Pelomonas saccharophila

Substrates and Products (Substrate)

Substrates	Comment Substrates	Organism	Products	Comment (Products)	Rev.	Reac.
2-dehydro-3-deoxy-L-arabinonate	-	Pelomonas saccharophila	2,5-dioxopentanoate + H2O	-	?
L-2-keto-3-deoxyarabonate	-	Pelomonas saccharophila	2-oxoglutarate semialdehyde + H2O	-	?

pH Optimum

pH Optimum Minimum	pH Optimum Maximum	Comment	Organism
7.2	-	-	Pelomonas saccharophila

pH Range

pH Minimum	pH Maximum	Comment	Organism
5.8	9.2	less than 50% of maximal activity above and below	Pelomonas saccharophila

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Release 2023.1 (January 2023)