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Literature summary extracted from

  • Maruyama, A.; Ishizawa, K.; Takagi, T.; Esashi, Y.
    Cytosolic beta-cyanoalanine synthase activity attributed to cysteine synthases in cocklebur seeds. Purification and characterization of cytosolic cysteine synthases (1998), Plant Cell Physiol., 39, 671-680.
    View publication on PubMed

KM Value [mM]

EC Number KM Value [mM] KM Value Maximum [mM] Substrate Comment Organism Structure
2.5.1.47 0.045
-
O-acetyl-L-serine ,isoenzyme 3 Xanthium pennsylvanicum
2.5.1.47 0.05
-
O-acetyl-L-serine isoenzymes 1 and 2 Xanthium pennsylvanicum
2.5.1.47 0.373
-
O-acetyl-L-serine ,isoenzyme 2 Xanthium pennsylvanicum
2.5.1.47 0.547
-
O-acetyl-L-serine ,isoenzyme 3 Xanthium pennsylvanicum
2.5.1.47 1.29
-
O-acetyl-L-serine isoenzyme 1 Xanthium pennsylvanicum

Localization

EC Number Localization Comment Organism GeneOntology No. Textmining
2.5.1.47 cytosol
-
Xanthium pennsylvanicum 5829
-
4.4.1.9 mitochondrion
-
Xanthium pennsylvanicum 5739
-

Molecular Weight [Da]

EC Number Molecular Weight [Da] Molecular Weight Maximum [Da] Comment Organism
2.5.1.47 52000
-
gel filtration Xanthium pennsylvanicum

Natural Substrates/ Products (Substrates)

EC Number Natural Substrates Organism Comment (Nat. Sub.) Natural Products Comment (Nat. Pro.) Rev. Reac.
2.5.1.47 cysteine + CN- Xanthium pennsylvanicum involved in cyanide metabolism during seed germination cyanoalanine + H2S
-
?

Organism

EC Number Organism UniProt Comment Textmining
2.5.1.47 Xanthium pennsylvanicum
-
three isoforms
-
4.4.1.9 Xanthium pennsylvanicum
-
-
-

Purification (Commentary)

EC Number Purification (Comment) Organism
2.5.1.47
-
Xanthium pennsylvanicum

Source Tissue

EC Number Source Tissue Comment Organism Textmining
2.5.1.47 seed
-
Xanthium pennsylvanicum
-
4.4.1.9 seedling
-
Xanthium pennsylvanicum
-

Substrates and Products (Substrate)

EC Number Substrates Comment Substrates Organism Products Comment (Products) Rev. Reac.
2.5.1.47 cysteine + CN-
-
Xanthium pennsylvanicum cyanoalanine + H2S
-
?
2.5.1.47 cysteine + CN- involved in cyanide metabolism during seed germination Xanthium pennsylvanicum cyanoalanine + H2S
-
?
2.5.1.47 O-acetyl-L-serine
-
Xanthium pennsylvanicum L-cysteine + acetate
-
?

Subunits

EC Number Subunits Comment Organism
2.5.1.47 More amino acid composition Xanthium pennsylvanicum

pH Optimum

EC Number pH Optimum Minimum pH Optimum Maximum Comment Organism
2.5.1.47 8.5
-
-
Xanthium pennsylvanicum