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Literature summary for 3.4.21.50 extracted from

  • Masaki, T.; Tanabe, M.; Nakamura, K.; Soejima, M.
    Studies on a new proteolytic enzyme from A chromobacter lyticus M497-1. I. Purification and some enzymatic properties (1981), Biochim. Biophys. Acta, 660, 44-50.
    View publication on PubMed

Inhibitors

Inhibitors Comment Organism Structure
Ba2+ competitive Achromobacter lyticus
Cs+ competitive Achromobacter lyticus
diisopropylfluorophosphate
-
Achromobacter lyticus
K+ competitive Achromobacter lyticus
Li+ competitive Achromobacter lyticus
Na+ competitive Achromobacter lyticus
Nalpha-p-tosyl-L-Lys-chloromethylketone
-
Achromobacter lyticus
NH4+ competitive Achromobacter lyticus
phenylmethanesulfonyl fluoride
-
Achromobacter lyticus
Rb+ competitive Achromobacter lyticus
Zn2+
-
Achromobacter lyticus

Localization

Localization Comment Organism GeneOntology No. Textmining
extracellular
-
Achromobacter lyticus
-
-

Molecular Weight [Da]

Molecular Weight [Da] Molecular Weight Maximum [Da] Comment Organism
30000
-
1 * 30000, SDS-PAGE Achromobacter lyticus

Organism

Organism UniProt Comment Textmining
Achromobacter lyticus
-
M497-1
-
Achromobacter lyticus M497-1
-
M497-1
-

Purification (Commentary)

Purification (Comment) Organism
-
Achromobacter lyticus

Source Tissue

Source Tissue Comment Organism Textmining
culture filtrate
-
Achromobacter lyticus
-

Substrates and Products (Substrate)

Substrates Comment Substrates Organism Products Comment (Products) Rev. Reac.
casein + H2O
-
Achromobacter lyticus ?
-
?
casein + H2O
-
Achromobacter lyticus M497-1 ?
-
?
additional information the enzyme cleaves only the Lys-X bond Achromobacter lyticus ?
-
?
additional information the enzyme cleaves only the Lys-X bond Achromobacter lyticus M497-1 ?
-
?
N-benzoyl-L-Lys-p-nitroanilide + H2O
-
Achromobacter lyticus N-benzoyl-L-Lys + p-nitroaniline
-
?
N-benzoyl-L-Lys-p-nitroanilide + H2O
-
Achromobacter lyticus M497-1 N-benzoyl-L-Lys + p-nitroaniline
-
?
N-tosyl-L-Lys methyl ester + H2O
-
Achromobacter lyticus N-tosyl-L-Lys + methanol
-
?
N-tosyl-L-Lys methyl ester + H2O
-
Achromobacter lyticus M497-1 N-tosyl-L-Lys + methanol
-
?

Subunits

Subunits Comment Organism
monomer 1 * 30000, SDS-PAGE Achromobacter lyticus

Temperature Optimum [°C]

Temperature Optimum [°C] Temperature Optimum Maximum [°C] Comment Organism
50
-
amidolytic activity, esterolytic activity and caseinolytic activity Achromobacter lyticus

Temperature Stability [°C]

Temperature Stability Minimum [°C] Temperature Stability Maximum [°C] Comment Organism
45
-
pH 9.0, 30 min, stable up to Achromobacter lyticus
60
-
30 min, complete loss of activity Achromobacter lyticus

pH Optimum

pH Optimum Minimum pH Optimum Maximum Comment Organism
7.5 8.2 esterolytic activity Achromobacter lyticus
7.8 8.2 esterolytic activity Achromobacter lyticus
9 9.5 amidolytic activity Achromobacter lyticus

pH Stability

pH Stability pH Stability Maximum Comment Organism
4 11 4°C, 24 h, stable Achromobacter lyticus