Any feedback?
Please rate this page
(literature.php)
(0/150)

BRENDA support

Literature summary for 3.4.23.B8 extracted from

  • Kumada, H.O.; Nguyen, J.T.; Kakizawa, T.; Hidaka, K.; Kimura, T.; Hayashi, Y.; Kiso, Y.
    Development of [Ile40]HTLV-I protease inhibition assay using novel fluorogenic and chromogenic substrate (2011), J. Pept. Sci., 17, 569-575.
    View publication on PubMed

Cloned(Commentary)

Cloned (Comment) Organism
expression of mutant L40I which prevents autolysis and enhances enzyme stability and substrate cleavage, in Escherichia coli Human T-cell leukemia virus type I

KM Value [mM]

KM Value [mM] KM Value Maximum [mM] Substrate Comment Organism Structure
7.31
-
N6-(7-methoxycoumarin-4-yl)acetyl-L-Lys-L-Ala-L-Pro-L-Gln-L-Val-L-Leu-4-nitro-L-phenylalanine-L-Val-L-Met-L-His-L-Pro-L-Leu mutant L40I, pH 5.3, 37°C Human T-cell leukemia virus type I
54.7
-
N6-(7-methoxycoumarin-4-yl)acetyl-L-Lys-L-Ala-L-Pro-L-Gln-L-Val-L-Leu-4-nitro-L-phenylalanine-L-Val-L-Met-L-His-L-Pro-L-Leu His-tagged recombinant protein, pH 5.3, 37°C Human T-cell leukemia virus type I

Molecular Weight [Da]

Molecular Weight [Da] Molecular Weight Maximum [Da] Comment Organism
13000
-
x * 13000, SDS-PAGE of recombinant enzyme Human T-cell leukemia virus type I

Organism

Organism UniProt Comment Textmining
Human T-cell leukemia virus type I
-
-
-

Storage Stability

Storage Stability Organism
mutant L40I does not form aggregates and is stable as a 240 microM pH 7.0 stock solution for at least 2 months at 4°C, even with freeze-thawing Human T-cell leukemia virus type I

Substrates and Products (Substrate)

Substrates Comment Substrates Organism Products Comment (Products) Rev. Reac.
N6-(7-methoxycoumarin-4-yl)acetyl-L-Lys-L-Ala-L-Pro-L-Gln-L-Val-L-Leu-4-nitro-L-phenylalanine-L-Val-L-Met-L-His-L-Pro-L-Leu + H2O
-
Human T-cell leukemia virus type I L-Lys-(7-methoxycoumarin-4-yl)acetyl-L-Ala-L-Pro-L-Gln-L-Val-L-Leu + 4-nitro-L-phenylalanine-L-Val-L-Met-L-His-L-Pro-L-Leu
-
?

Subunits

Subunits Comment Organism
? x * 13000, SDS-PAGE of recombinant enzyme Human T-cell leukemia virus type I

Turnover Number [1/s]

Turnover Number Minimum [1/s] Turnover Number Maximum [1/s] Substrate Comment Organism Structure
0.64
-
N6-(7-methoxycoumarin-4-yl)acetyl-L-Lys-L-Ala-L-Pro-L-Gln-L-Val-L-Leu-4-nitro-L-phenylalanine-L-Val-L-Met-L-His-L-Pro-L-Leu His-tagged recombinant protein, pH 5.3, 37°C Human T-cell leukemia virus type I
42.9
-
N6-(7-methoxycoumarin-4-yl)acetyl-L-Lys-L-Ala-L-Pro-L-Gln-L-Val-L-Leu-4-nitro-L-phenylalanine-L-Val-L-Met-L-His-L-Pro-L-Leu mutant L40I, pH 5.3, 37°C Human T-cell leukemia virus type I

kcat/KM [mM/s]

kcat/KM Value [1/mMs-1] kcat/KM Value Maximum [1/mMs-1] Substrate Comment Organism Structure
11.7
-
N6-(7-methoxycoumarin-4-yl)acetyl-L-Lys-L-Ala-L-Pro-L-Gln-L-Val-L-Leu-4-nitro-L-phenylalanine-L-Val-L-Met-L-His-L-Pro-L-Leu His-tagged recombinant protein, pH 5.3, 37°C Human T-cell leukemia virus type I
5860
-
N6-(7-methoxycoumarin-4-yl)acetyl-L-Lys-L-Ala-L-Pro-L-Gln-L-Val-L-Leu-4-nitro-L-phenylalanine-L-Val-L-Met-L-His-L-Pro-L-Leu mutant L40I, pH 5.3, 37°C Human T-cell leukemia virus type I