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Literature summary for 4.4.1.13 extracted from

  • Uren, J.R.
    Cystathionine beta-lyase from Escherichia coli (1987), Methods Enzymol., 143, 483-486.
    View publication on PubMed

KM Value [mM]

KM Value [mM] KM Value Maximum [mM] Substrate Comment Organism Structure
0.04
-
L-cystathionine
-
Escherichia coli
0.25
-
L-cystine
-
Escherichia coli
0.36
-
L-djenkolate
-
Escherichia coli
0.83
-
L-meso-lanthionine
-
Escherichia coli
4.5
-
L-homolanthionine
-
Escherichia coli

Natural Substrates/ Products (Substrates)

Natural Substrates Organism Comment (Nat. Sub.) Natural Products Comment (Nat. Pro.) Rev. Reac.
cystathionine + H2O Escherichia coli enzyme is involved in methionine biosynthesis ?
-
?

Organism

Organism UniProt Comment Textmining
Escherichia coli
-
-
-

Purification (Commentary)

Purification (Comment) Organism
-
Escherichia coli

Specific Activity [micromol/min/mg]

Specific Activity Minimum [µmol/min/mg] Specific Activity Maximum [µmol/min/mg] Comment Organism
215
-
-
Escherichia coli

Substrates and Products (Substrate)

Substrates Comment Substrates Organism Products Comment (Products) Rev. Reac.
cystathionine + H2O enzyme is involved in methionine biosynthesis Escherichia coli ?
-
?
L-cystathionine + H2O
-
Escherichia coli L-homocysteine + NH3 + pyruvate
-
?
L-cysteine + H2O
-
Escherichia coli ?
-
?
L-cystine + H2O
-
Escherichia coli L-thiocysteine + pyruvate + NH3
-
?
L-djenkolate + H2O
-
Escherichia coli pyruvate
-
?
L-homolanthionine + H2O
-
Escherichia coli ?
-
?
L-meso-lanthionine + H2O
-
Escherichia coli ?
-
?