Literature summary for 4.3.3.7 extracted from

Frisch, D.A.; Gengenbach, B.G.; Tommy, A.M.; Sellner, J.M.; Somers, D.A.; Myers, D.E.
Isolation and characterization of dihydrodipicolinate synthase from maize (1991), Plant Physiol., 96, 444-452.

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Inhibitors

Inhibitors	Comment	Organism	Structure
L-lysine	-	Zea mays
lysine ethyl ester	-	Zea mays
PMSF	-	Zea mays
S-(2-aminoethyl)-L-cysteine	-	Zea mays
threo-4-hydroxy-L-lysine	-	Zea mays

KM Value [mM]

KM Value [mM]	KM Value Maximum [mM]	Substrate	Comment	Organism	Structure
0.6	-	L-aspartate-4-semialdehyde	-	Zea mays

Molecular Weight [Da]

Molecular Weight [Da]	Molecular Weight Maximum [Da]	Comment	Organism
72000	-	4 * 37000-38000 + x * 72000, the 72000 Da subunit possibly modifies the structure and kinetic properties, SDS-PAGE	Zea mays
130000	-	non-denaturing PAGE	Zea mays

Natural Substrates/ Products (Substrates)

Natural Substrates	Organism	Comment (Nat. Sub.)	Natural Products	Comment (Nat. Pro.)	Rev.	Reac.
L-aspartate-4-semialdehyde + pyruvate	Zea mays	-	?	-	?

Organism

Organism	UniProt	Comment	Textmining
Zea mays	-	corn	-

Purification (Commentary)

Purification (Comment)	Organism
-	Zea mays

Source Tissue

Source Tissue	Comment	Organism	Textmining
cell suspension culture	-	Zea mays	-
leaf	-	Zea mays	-

Specific Activity [micromol/min/mg]

Specific Activity Minimum [µmol/min/mg]	Specific Activity Maximum [µmol/min/mg]	Comment	Organism
additional information	-	-	Zea mays

Storage Stability

Storage Stability	Organism
4°C, 20 mM bis-Tris propane buffer, pH 8.0, 10 mM pyruvate, 300 mM NaCl, 0.01% NaN3, 3 weeks, 20% loss of activity	Zea mays

Substrates and Products (Substrate)

Substrates	Comment Substrates	Organism	Products	Comment (Products)	Rev.	Reac.
L-aspartate-4-semialdehyde + pyruvate	-	Zea mays	dihydrodipicolinate + H2O	-	?
L-aspartate-4-semialdehyde + pyruvate	-	Zea mays	?	-	?

Subunits

Subunits	Comment	Organism
?	alpha,beta or alpha2beta	Zea mays
tetramer	4 * 37000-38000 + x * 72000, the 72000 Da subunit possibly modifies the structure and kinetic properties, SDS-PAGE	Zea mays

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Release 2023.1 (January 2023)