Any feedback?
Please rate this page
(literature.php)
(0/150)

BRENDA support

Literature summary for 2.5.1.47 extracted from

  • Diessner, W.; Schmidt, A.
    Isoenzymes of cysteine synthase in the cyanobacterium Synechococcus 6301 (1981), Z. Pflanzenphysiol., 102, 57-68.
No PubMed abstract available
Search for more literature for 2.5.1.47

Inhibitors

Inhibitors Comment Organism Structure
L-cysteine
-
 Synechococcus sp.

KM Value [mM]

KM Value [mM] KM Value Maximum [mM] Substrate Comment Organism Structure
0.7
-
 O-acetyl-L-Ser pH 7.5, 37°C, isoenzyme 1 and 2 Synechococcus sp.
0.8
-
 H2S pH 7.5, 37°C, isoenzyme 1 and 2 Synechococcus sp.

Molecular Weight [Da]

Molecular Weight [Da] Molecular Weight Maximum [Da] Comment Organism
56000
-
 isoenzyme 1 and 2, gel filtration Synechococcus sp.

Natural Substrates/ Products (Substrates)

Natural Substrates Organism Comment (Nat. Sub.) Natural Products Comment (Nat. Pro.) Rev. Reac.
O-acetyl-L-Ser + sulfide Synechococcus sp. last step of assimilatory sulfate reduction L-Cys + acetate
-
 ?
O-acetyl-L-Ser + sulfide Synechococcus sp. 6301 last step of assimilatory sulfate reduction L-Cys + acetate
-
 ?

Organism

Organism UniProt Comment Textmining
Synechococcus sp.
-
 two isoenzymes
-
Synechococcus sp. 6301
-
 two isoenzymes
-

Purification (Commentary)

Purification (Comment) Organism
-
 Synechococcus sp.

Reaction

Reaction Comment Organism Reaction ID
O-acetyl-L-serine + hydrogen sulfide = L-cysteine + acetate model of reaction mechanism Synechococcus sp.
a

Substrates and Products (Substrate)

Substrates Comment Substrates Organism Products Comment (Products) Rev. Reac.
O-acetyl-L-Ser + sulfide last step of assimilatory sulfate reduction Synechococcus sp. L-Cys + acetate
-
 ?
O-acetyl-L-Ser + sulfide last step of assimilatory sulfate reduction Synechococcus sp. 6301 L-Cys + acetate
-
 ?
O-acetyl-L-serine
-
 Synechococcus sp. L-cysteine + acetate
-
 ?
O-acetyl-L-serine
-
 Synechococcus sp. 6301 L-cysteine + acetate
-
 ?

Temperature Optimum [°C]

Temperature Optimum [°C] Temperature Optimum Maximum [°C] Comment Organism
50
-
-
 Synechococcus sp.

Temperature Range [°C]

Temperature Minimum [°C] Temperature Maximum [°C] Comment Organism
45 65
-
 Synechococcus sp.

pH Optimum

pH Optimum Minimum pH Optimum Maximum Comment Organism
7.5
-
-
 Synechococcus sp.