P6911
Protease from Streptomyces griseus
BioReagent, DNase, RNase, and nickase, none detected (No RNase.)
Synonim(y):
Actinase E, Pronase E
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About This Item
Numer CAS:
Numer WE:
Numer MDL:
Kod UNSPSC:
12352204
eCl@ss:
32160410
NACRES:
NA.21
Polecane produkty
klasa czystości
for molecular biology
Poziom jakości
linia produktu
BioReagent
Postać
powder
masa cząsteczkowa
monomer ~20 kDa
stężenie
≥4 unit/mg
rozpuszczalność
water: 5-20 mg/mL
obecność zanieczyszczeń
DNase, RNase, and nickase, none detected (No RNase.)
temp. przechowywania
−20°C
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Opis ogólny
A mixture of at least three proteolytic activities including an extracellular serine protease. In general, serine proteases display a wide range of substrate specificities, which are believed to be mediated by an active site composed of one Asp, one His, and a Ser residue in the molecule. This enzyme prefers to hydrolyze peptide bonds on the carboxyl side of glutamic or aspartic acid.
Specyficzność
A mixture of at least three proteolytic activities including an extracellular serine protease. In general, serine proteases display a wide range of substrate specificities, which are believed to be mediated by an active site composed of one Asp, one His, and a Ser residue in the molecule. This enzyme prefers to hydrolyze peptide bonds on the carboxyl side of glutamic or aspartic acid.
Zastosowanie
Protease is typically used in nucleic acid isolation procedures in incubations of 0.5-3.0 hours supplemented with 0.2% sodium dodecyl sulfate and 10 mM EDTA.
Suitable for:
- Nucleic acid isolation procedures in incubations
- Degrade protein during nucleic acid purification
- Proteolysis of insoluble protein
- Structural protein studies
This enzyme is more active at a higher pH range than the known alkaline protease, showing the proteolytic activity even in 0.2N NaOH solution. This enzyme is useful for proteolysis of insoluble protein and for structure investigation of protein.
Właściwości fizyczne
Completely inactivated by heating above 80 °C for 15-20 minutes.
Definicja jednostki
One unit will hydrolyze casein to produce color equivalent to 1.0 μmole (181 μg) of tyrosine per min at pH 7.5 at 37 °C (color by Folin-Ciocalteu reagent).
Uwaga dotycząca przygotowania
Collected from culture broth of S. griseus.
Komentarz do analizy
The protease is incubated for 10 minutes at pH 7.5 at 37°C in a 6 ml reaction volume containing 0.54% casein and 0.041 M potassium phosphate buffer. The reaction is stopped by the addition of 5.0 ml of 0.11 M trichloroacetic acid.
Inne uwagi
This protease is completely inactivated by heating above 80°C for 15-20 minutes. This enzyme is more active at a higher pH range, showing the proteolytic activity even in 0.2N NaOH solution.
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Hasło ostrzegawcze
Danger
Zwroty wskazujące rodzaj zagrożenia
Zwroty wskazujące środki ostrożności
Klasyfikacja zagrożeń
Eye Irrit. 2 - Resp. Sens. 1 - Skin Irrit. 2 - STOT SE 3
Organy docelowe
Respiratory system
Kod klasy składowania
11 - Combustible Solids
Klasa zagrożenia wodnego (WGK)
WGK 2
Temperatura zapłonu (°F)
Not applicable
Temperatura zapłonu (°C)
Not applicable
Środki ochrony indywidualnej
Eyeshields, Gloves, type N95 (US)
Certyfikaty analizy (CoA)
Poszukaj Certyfikaty analizy (CoA), wpisując numer partii/serii produktów. Numery serii i partii można znaleźć na etykiecie produktu po słowach „seria” lub „partia”.
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