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Literature summary extracted from

  • Hensel, G.; Trueper, H.
    O-Acetylserine sulfhydrylase and S-sulfocysteine synthase activities of Rhodospirillum tenue (1983), Arch. Microbiol., 134, 227-232 .
    View publication on PubMed

Inhibitors

EC Number Inhibitors Comment Organism Structure
2.5.1.144 additional information methionine, glutathione, homocysteine, and acetate have no influences on the enzyme activity Rhodocyclus tenuis
2.5.1.144 Sulfide
-
 Rhodocyclus tenuis

KM Value [mM]

EC Number KM Value [mM] KM Value Maximum [mM] Substrate Comment Organism Structure
2.5.1.144 0.6
-
 Sulfide pH and temperature not specified in the publication Rhodocyclus tenuis
2.5.1.144 1.9
-
 thiosulfate pH and temperature not specified in the publication Rhodocyclus tenuis
2.5.1.144 9
-
 O-acetyl-L-serine with thiosulfate as cosubstrate, pH and temperature not specified in the publication Rhodocyclus tenuis
2.5.1.144 50
-
 O-acetyl-L-serine with sulfide as cosubstrate, pH and temperature not specified in the publication Rhodocyclus tenuis

Organism

EC Number Organism UniProt Comment Textmining
2.5.1.144 Rhodocyclus tenuis
-
-
-
2.5.1.144 Rhodocyclus tenuis BN230
-
-
-

Purification (Commentary)

EC Number Purification (Comment) Organism
2.5.1.144 ammonium sulfate precipitation, DE52 column chromatography, hydroxyapatite column chromatography, and Sephadex G 100 gel filtration Rhodocyclus tenuis

Substrates and Products (Substrate)

EC Number Substrates Comment Substrates Organism Products Comment (Products) Rev. Reac.
2.5.1.144 O-acetyl-L-serine + sulfide the activity of the enzyme with O-acetylserine plus sulfide is about 1.5 of that with O-acetylserine plus thiosulfate Rhodocyclus tenuis 2-amino-3-sulfanylpropanoic acid + acetate
-
 ?
2.5.1.144 O-acetyl-L-serine + sulfide the activity of the enzyme with O-acetylserine plus sulfide is about 1.5 of that with O-acetylserine plus thiosulfate Rhodocyclus tenuis BN230 2-amino-3-sulfanylpropanoic acid + acetate
-
 ?
2.5.1.144 O-acetyl-L-serine + thiosulfate the activity of the enzyme with O-acetylserine plus sulfide is about 1.5 of that with O-acetylserine plus thiosulfate Rhodocyclus tenuis S-sulfo-L-cysteine + acetate
-
 ?
2.5.1.144 O-acetyl-L-serine + thiosulfate the activity of the enzyme with O-acetylserine plus sulfide is about 1.5 of that with O-acetylserine plus thiosulfate Rhodocyclus tenuis BN230 S-sulfo-L-cysteine + acetate
-
 ?

Subunits

EC Number Subunits Comment Organism
2.5.1.144 ? x * 46000, SDS-PAGE Rhodocyclus tenuis

Synonyms

EC Number Synonyms Comment Organism
2.5.1.144 S-sulfocysteine synthase
-
 Rhodocyclus tenuis
2.5.1.144 SSC synthase
-
 Rhodocyclus tenuis

pH Optimum

EC Number pH Optimum Minimum pH Optimum Maximum Comment Organism
2.5.1.144 7.5
-
-
 Rhodocyclus tenuis