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Literature summary for 3.4.21.4 extracted from

  • Castillo-Yanez, F.J.; Pacheco-Aguilar, R.; Garcia-Carreno, F.L.; Navarrete-Del Toro, M.d.
    Isolation and characterization of trypsin from pyloric caeca of Monterey sardine Sardinops sagax caerulea (2005), Comp. Biochem. Physiol. B, 140B, 91-98.
No PubMed abstract available

Inhibitors

Inhibitors Comment Organism Structure
benzamidine complete inhibition Sardinops caeruleus
additional information not inhibitory: EDTA, tosyl-L-Phe chloromethyl ketone Sardinops caeruleus
phenylmethylsulfonyl fluoride partial Sardinops caeruleus
Soybean trypsin inhibitor complete inhibition Sardinops caeruleus

KM Value [mM]

KM Value [mM] KM Value Maximum [mM] Substrate Comment Organism Structure
0.051
-
Nalpha-benzoyl-L-Arg-4-nitroanilide pH 8.0, 25°C Sardinops caeruleus

Molecular Weight [Da]

Molecular Weight [Da] Molecular Weight Maximum [Da] Comment Organism
25000
-
x * 25000, SDS-PAGE Sardinops caeruleus

Organism

Organism UniProt Comment Textmining
Sardinops caeruleus
-
-
-

Purification (Commentary)

Purification (Comment) Organism
-
Sardinops caeruleus

Source Tissue

Source Tissue Comment Organism Textmining
cecum pyloric cecum Sardinops caeruleus
-

Specific Activity [micromol/min/mg]

Specific Activity Minimum [µmol/min/mg] Specific Activity Maximum [µmol/min/mg] Comment Organism
6.5
-
pH 8.0, 25°C Sardinops caeruleus

Substrates and Products (Substrate)

Substrates Comment Substrates Organism Products Comment (Products) Rev. Reac.
Nalpha-4-tosyl-L-Arg methyl ester + H2O
-
Sardinops caeruleus ?
-
?
Nalpha-benzoyl-L-Arg-4-nitroanilide + H2O
-
Sardinops caeruleus Nalpha-benzoyl-L-Arg + 4-nitroaniline
-
?

Subunits

Subunits Comment Organism
? x * 25000, SDS-PAGE Sardinops caeruleus

Temperature Optimum [°C]

Temperature Optimum [°C] Temperature Optimum Maximum [°C] Comment Organism
50
-
-
Sardinops caeruleus

Turnover Number [1/s]

Turnover Number Minimum [1/s] Turnover Number Maximum [1/s] Substrate Comment Organism Structure
2.12
-
Nalpha-benzoyl-L-Arg-4-nitroanilide pH 8.0, 25°C Sardinops caeruleus

pH Optimum

pH Optimum Minimum pH Optimum Maximum Comment Organism
8
-
-
Sardinops caeruleus

pH Stability

pH Stability pH Stability Maximum Comment Organism
4
-
marked loss in stability below Sardinops caeruleus
7 8
-
Sardinops caeruleus
11
-
marked loss in stability above Sardinops caeruleus

pI Value

Organism Comment pI Value Maximum pI Value
Sardinops caeruleus isoelectric focusing
-
5