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Key Documents
T7902
Thermolysin from Geobacillus stearothermophilus
powder, BioReagent, 30-350 units/mg protein (E1%/280), suitable for cell culture
Synonim(y):
Protease from Geobacillus stearothermophilus, Thermophilic-bacterial protease
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About This Item
Polecane produkty
pochodzenie biologiczne
Geobacillus stearothermophilus
Poziom jakości
linia produktu
BioReagent
Postać
powder
aktywność właściwa
30-350 units/mg protein (E1%/280)
masa cząsteczkowa
34.6 kDa
oczyszczone przez
crystallization
metody
cell culture | mammalian: suitable
single cell analysis: suitable
temp. przechowywania
−20°C
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Zastosowanie
A thermostable (thermophilic) extracellular metalloendopeptidase containing four calcium ions. Cofactors are zinc and calcium. Hydrolyzes protein bonds on the N-terminal side of hydrophobic amino acid residues. The pH optimum is 8.0 and the optimal temperature for activity is 70 °C. Considerably stable from pH 5 to 9.5. Thermolysin has a low cleavage specificity, therefore, it produces a number of short fragments that are suitable for sequencing. Preferential cleavage: X-cleavage-Y-Z where X=any amino acid; Y=Leu, Phe, Ile, Val, Met, Ala and Z is any amino acid other than Pro. Cleavage N-terminal to Leu is preferred over cleavage of N-terminal to Phe which is preferred over the others. Often used to do limited proteolysis for peptide mapping and studies of protein structure and conformational changes.
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).
Postać fizyczna
lyophilized powder containing calcium and sodium acetate buffer salts
This page may contain text that has been machine translated.
inhibitor
Numer produktu
Opis
Cennik
Hasło ostrzegawcze
Danger
Zwroty wskazujące rodzaj zagrożenia
Zwroty wskazujące środki ostrożności
Klasyfikacja zagrożeń
Resp. Sens. 1
Kod klasy składowania
11 - Combustible Solids
Klasa zagrożenia wodnego (WGK)
WGK 3
Temperatura zapłonu (°F)
Not applicable
Temperatura zapłonu (°C)
Not applicable
Środki ochrony indywidualnej
dust mask type N95 (US), Eyeshields, Faceshields, Gloves
Certyfikaty analizy (CoA)
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Raymond G Sierra et al.
Acta crystallographica. Section D, Biological crystallography, 68(Pt 11), 1584-1587 (2012-10-24)
An electrospun liquid microjet has been developed that delivers protein microcrystal suspensions at flow rates of 0.14-3.1 µl min(-1) to perform serial femtosecond crystallography (SFX) studies with X-ray lasers. Thermolysin microcrystals flowed at 0.17 µl min(-1) and diffracted to beyond
Evans Menach et al.
Journal of biochemistry, 152(3), 231-239 (2012-06-01)
In the N-terminal domain of thermolysin, two anti-parallel β-strands, Asn112-Ala113-Phe114-Trp115 and Ser118-Gln119-Met120-Val121-Tyr122 are connected by an Asn116-Gly117 turn to form a β-hairpin structure. In this study, we examined the role of Asn116 in the activity and stability of thermolysin by
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