Literature summary for 4.3.1.19 extracted from

Desai, I.D.; Laub, D.; Anita, N.J.
Comparative characterization of L-threonine dehydratase in seven species of unicellular marine algae (1972), Phytochemistry, 11, 277-287.

No PubMed abstract available

Inhibitors

Inhibitors	Comment	Organism
2,2'-dithiodipyridine	-	Anacystis marina
2,2'-dithiodipyridine	-	Chroomonas salina
2,2'-dithiodipyridine	-	Cyclotella nana
2,2'-dithiodipyridine	-	Hemiselmis virescens
2,2'-dithiodipyridine	-	Porphyridium purpureum
2,2'-dithiodipyridine	-	Synechococcus sp. PCC 7002
2,2'-dithiodipyridine	-	Tetraselmis maculata
dithiothreitol	-	Chroomonas salina
dithiothreitol	-	Hemiselmis virescens
hydrazine	-	Anacystis marina
hydrazine	-	Chroomonas salina
hydrazine	-	Cyclotella nana
hydrazine	-	Hemiselmis virescens
hydrazine	-	Porphyridium purpureum
hydrazine	-	Synechococcus sp. PCC 7002
hydrazine	-	Tetraselmis maculata
hydroxylamine	-	Anacystis marina
hydroxylamine	-	Chroomonas salina
hydroxylamine	reversed by pyridoxal 5'-phosphate	Cyclotella nana
hydroxylamine	-	Hemiselmis virescens
hydroxylamine	-	Porphyridium purpureum
hydroxylamine	-	Synechococcus sp. PCC 7002
hydroxylamine	-	Tetraselmis maculata
Ile	-	Cyclotella nana
iodoacetamide	-	Anacystis marina
iodoacetamide	weak	Cyclotella nana
iodoacetamide	-	Synechococcus sp. PCC 7002
iodoacetamide	weak	Tetraselmis maculata
isoniazid	-	Anacystis marina
isoniazid	-	Cyclotella nana
isoniazid	-	Porphyridium purpureum
isoniazid	-	Synechococcus sp. PCC 7002
isoniazid	-	Tetraselmis maculata
methoxylamine	-	Anacystis marina
methoxylamine	-	Chroomonas salina
methoxylamine	-	Cyclotella nana
methoxylamine	-	Hemiselmis virescens
methoxylamine	-	Porphyridium purpureum
methoxylamine	-	Synechococcus sp. PCC 7002
methoxylamine	-	Tetraselmis maculata
NEM	-	Anacystis marina
NEM	-	Chroomonas salina
NEM	-	Cyclotella nana
NEM	-	Hemiselmis virescens
NEM	-	Porphyridium purpureum
NEM	-	Synechococcus sp. PCC 7002
NEM	-	Tetraselmis maculata
NSD-1055	-	Anacystis marina
NSD-1055	-	Chroomonas salina
NSD-1055	-	Cyclotella nana
NSD-1055	-	Hemiselmis virescens
NSD-1055	-	Porphyridium purpureum
NSD-1055	-	Synechococcus sp. PCC 7002
NSD-1055	-	Tetraselmis maculata
p-chloromercuriphenyl sulfonate	-	Anacystis marina
p-chloromercuriphenyl sulfonate	-	Chroomonas salina
p-chloromercuriphenyl sulfonate	-	Cyclotella nana
p-chloromercuriphenyl sulfonate	-	Hemiselmis virescens
p-chloromercuriphenyl sulfonate	-	Porphyridium purpureum
p-chloromercuriphenyl sulfonate	-	Synechococcus sp. PCC 7002
p-chloromercuriphenyl sulfonate	-	Tetraselmis maculata
phenylhydrazine	reversed by pyridoxal 5'-phosphate	Cyclotella nana
Semicarbazide	-	Anacystis marina
Semicarbazide	-	Cyclotella nana
Semicarbazide	-	Synechococcus sp. PCC 7002
Semicarbazide	-	Tetraselmis maculata

Organism

Organism	UniProt	Comment	Textmining
Anacystis marina	-	-	-
Chroomonas salina	-	-	-
Cyclotella nana	-	-	-
Hemiselmis virescens	-	-	-
Porphyridium purpureum	-	-	-
Synechococcus sp. PCC 7002	-	i.e. Agmenellum quadruplicatum	-
Tetraselmis maculata	-	-	-

Substrates and Products (Substrate)

Substrates	Comment Substrates	Organism	Products	Comment (Products)	Rev.
L-threonine	-	Porphyridium purpureum	2-oxobutanoate + NH3	-	?
L-threonine	-	Synechococcus sp. PCC 7002	2-oxobutanoate + NH3	-	?
L-threonine	-	Anacystis marina	2-oxobutanoate + NH3	-	?
L-threonine	-	Chroomonas salina	2-oxobutanoate + NH3	-	?
L-threonine	-	Hemiselmis virescens	2-oxobutanoate + NH3	-	?
L-threonine	-	Tetraselmis maculata	2-oxobutanoate + NH3	-	?
L-threonine	-	Cyclotella nana	2-oxobutanoate + NH3	-	?

pH Optimum

pH Optimum Minimum	pH Optimum Maximum	Comment	Organism
8.5	-	-	Synechococcus sp. PCC 7002
8.7	-	-	Tetraselmis maculata
8.8	-	-	Chroomonas salina
8.8	-	-	Cyclotella nana
8.9	-	-	Anacystis marina
8.9	-	-	Hemiselmis virescens
9.5	-	-	Porphyridium purpureum