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Literature summary for 4.4.1.13 extracted from

  • Nishizuka, Y.
    S-Alkyl-L-cysteine Lyase (Pseudomonas) (1971), Methods Enzymol., 17B, 470-474.
No PubMed abstract available

Inhibitors

Inhibitors Comment Organism Structure
S-methyl-L-cysteine substrate inhibition, when concentration exceeds 10 mM Pseudomonas cruciviae

KM Value [mM]

KM Value [mM] KM Value Maximum [mM] Substrate Comment Organism Structure
0.008
-
pyridoxal phosphate
-
Pseudomonas cruciviae
2.3
-
S-methyl-L-cysteine
-
Pseudomonas cruciviae
2.3
-
S-methyl-L-cysteine sulfoxide
-
Pseudomonas cruciviae

Organism

Organism UniProt Comment Textmining
Pseudomonas cruciviae
-
-
-

Purification (Commentary)

Purification (Comment) Organism
-
Pseudomonas cruciviae

Storage Stability

Storage Stability Organism
-20°C, almost all activity lost after two weeks Pseudomonas cruciviae

Substrates and Products (Substrate)

Substrates Comment Substrates Organism Products Comment (Products) Rev. Reac.
S-methyl-L-cysteine
-
Pseudomonas cruciviae methyl mercaptane + pyruvate + NH3
-
ir
S-methyl-L-cysteine sulfoxide
-
Pseudomonas cruciviae methyl methanethiolsulfinate + pyruvate + NH3
-
?

Temperature Optimum [°C]

Temperature Optimum [°C] Temperature Optimum Maximum [°C] Comment Organism
23
-
-
Pseudomonas cruciviae

pH Optimum

pH Optimum Minimum pH Optimum Maximum Comment Organism
8.8
-
-
Pseudomonas cruciviae

Cofactor

Cofactor Comment Organism Structure
pyridoxal 5'-phosphate
-
Pseudomonas cruciviae