Összes fotó(1)
Fontos dokumentumok
P6911
Protease from Streptomyces griseus
BioReagent, DNase, RNase, and nickase, none detected (No RNase.)
Szinonimák:
Actinase E, Pronase E
Bejelentkezésa Szervezeti és Szerződéses árazás megtekintéséhez
Összes fotó(1)
About This Item
CAS-szám:
EC-szám:
MDL-szám:
UNSPSC kód:
12352204
eCl@ss:
32160410
NACRES:
NA.21
Javasolt termékek
grade
for molecular biology
Minőségi szint
termékcsalád
BioReagent
Forma
powder
molekulatömeg
monomer ~20 kDa
koncentráció
≥4 unit/mg
oldhatóság
water: 5-20 mg/mL
idegen aktivitás
DNase, RNase, and nickase, none detected (No RNase.)
tárolási hőmérséklet
−20°C
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Általános leírás
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.
Egyediség
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.
Alkalmazás
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.
Fizikai tulajdonságok
Completely inactivated by heating above 80 °C for 15-20 minutes.
Egység definíció
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).
Elkészítési megjegyzés
Collected from culture broth of S. griseus.
Analízis megjegyzés
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.
Egyéb megjegyzések
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.
Figyelmeztetés
Danger
Figyelmeztető mondatok
Óvintézkedésre vonatkozó mondatok
Veszélyességi osztályok
Eye Irrit. 2 - Resp. Sens. 1 - Skin Irrit. 2 - STOT SE 3
Célzott szervek
Respiratory system
Tárolási osztály kódja
11 - Combustible Solids
WGK
WGK 2
Lobbanási pont (F)
Not applicable
Lobbanási pont (C)
Not applicable
Egyéni védőeszköz
Eyeshields, Gloves, type N95 (US)
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