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Literature summary for 3.4.21.1 extracted from

  • Navarrete-del-Toro, M.A.; Garcia-Carreno, F.L.; Hernandez-Cortes, P.; Molnar, T.; Graf, L.
    Biochemical characterisation of chymotrypsin from the midgut gland of yellowleg shrimp, Penaeus californiensis (2015), Food Chem., 173, 147-155.
    View publication on PubMed

Inhibitors

Inhibitors Comment Organism Structure
phenylmethylsulfonyl fluoride complete inhibition Penaeus californiensis

KM Value [mM]

KM Value [mM] KM Value Maximum [mM] Substrate Comment Organism Structure
0.12
-
succinyl-L-Ala-L-Ala-L-Pro-L-Phe-4-nitroanilide pH 8.0, 25°C Penaeus californiensis

Molecular Weight [Da]

Molecular Weight [Da] Molecular Weight Maximum [Da] Comment Organism
23720
-
x * 27000, SDS-PAGE, x * 23720, calculated Penaeus californiensis
27000
-
x * 27000, SDS-PAGE, x * 23720, calculated Penaeus californiensis

Organism

Organism UniProt Comment Textmining
Penaeus californiensis U5KGX4
-
-

Purification (Commentary)

Purification (Comment) Organism
-
Penaeus californiensis

Source Tissue

Source Tissue Comment Organism Textmining
digestive gland
-
Penaeus californiensis
-

Substrates and Products (Substrate)

Substrates Comment Substrates Organism Products Comment (Products) Rev. Reac.
Bovine serum albumin + H2O
-
Penaeus californiensis ? partial hydrolysis ?
native collagen + H2O
-
Penaeus californiensis ?
-
?
succinyl-L-Ala-L-Ala-L-Pro-L-Phe-4-nitroanilide + H2O
-
Penaeus californiensis succinyl-L-Ala-L-Ala-L-Pro-L-Phe + 4-nitroaniline
-
?

Subunits

Subunits Comment Organism
? x * 27000, SDS-PAGE, x * 23720, calculated Penaeus californiensis

Synonyms

Synonyms Comment Organism
CHY20
-
Penaeus californiensis

Temperature Stability [°C]

Temperature Stability Minimum [°C] Temperature Stability Maximum [°C] Comment Organism
30
-
120 min, 20-40% loss of activity Penaeus californiensis
50
-
30 min, complete loss of activity Penaeus californiensis

Turnover Number [1/s]

Turnover Number Minimum [1/s] Turnover Number Maximum [1/s] Substrate Comment Organism Structure
21.5
-
succinyl-L-Ala-L-Ala-L-Pro-L-Phe-4-nitroanilide pH 8.0, 25°C Penaeus californiensis

pH Stability

pH Stability pH Stability Maximum Comment Organism
4
-
120 min, 75% residual activity Penaeus californiensis
5 10 120 min, no loss of activity Penaeus californiensis

pI Value

Organism Comment pI Value Maximum pI Value
Penaeus californiensis isoelectric focusing
-
3.6

kcat/KM [mM/s]

kcat/KM Value [1/mMs-1] kcat/KM Value Maximum [1/mMs-1] Substrate Comment Organism Structure
179
-
succinyl-L-Ala-L-Ala-L-Pro-L-Phe-4-nitroanilide pH 8.0, 25°C Penaeus californiensis