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Literature summary for 4.4.1.15 extracted from

  • Schmidt, A.
    A cysteine desulfhydrase from spinach leaves specific for D-cysteine (1982), Z. Pflanzenphysiol., 107, 295-300.
    View publication on PubMed

Inhibitors

Inhibitors Comment Organism Structure
Fe2+
-
Spinacia oleracea
Ni2+
-
Spinacia oleracea
Zn2+
-
Spinacia oleracea

KM Value [mM]

KM Value [mM] KM Value Maximum [mM] Substrate Comment Organism Structure
0.14
-
D-cysteine 37°C, pH 9.0 Spinacia oleracea

Molecular Weight [Da]

Molecular Weight [Da] Molecular Weight Maximum [Da] Comment Organism
67000
-
gel filtration Spinacia oleracea

Natural Substrates/ Products (Substrates)

Natural Substrates Organism Comment (Nat. Sub.) Natural Products Comment (Nat. Pro.) Rev. Reac.
D-cysteine + H2O Spinacia oleracea
-
sulfide + NH3 + pyruvate more sulfide than pyruvate and ammonium formed ?

Organism

Organism UniProt Comment Textmining
Spinacia oleracea
-
-
-

Purification (Commentary)

Purification (Comment) Organism
-
Spinacia oleracea

Source Tissue

Source Tissue Comment Organism Textmining
leaf
-
Spinacia oleracea
-

Storage Stability

Storage Stability Organism
-18°C Spinacia oleracea

Substrates and Products (Substrate)

Substrates Comment Substrates Organism Products Comment (Products) Rev. Reac.
D-cysteine + H2O
-
Spinacia oleracea sulfide + NH3 + pyruvate more sulfide than pyruvate and ammonium formed ?
additional information L-cysteine is not utilized Spinacia oleracea ?
-
?

pH Optimum

pH Optimum Minimum pH Optimum Maximum Comment Organism
8.5 9
-
Spinacia oleracea

pH Range

pH Minimum pH Maximum Comment Organism
7 11
-
Spinacia oleracea