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P6361

Sigma-Aldrich

Protease S from Pyrococcus furiosus

recombinant, expressed in Bacillus sp.

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About This Item

MDL number:
UNSPSC Code:
12352204

recombinant

expressed in Bacillus sp.

form

solution

mol wt

45 kDa

concentration

100 units/mL

shipped in

wet ice

storage temp.

2-8°C

Application

Protease S is from Pyrococcus furiosus and is a recombinant protease that is expressed in Bacillus sp.. It is used for fragmentation of proteins and peptides required for primary structure analysis.

Biochem/physiol Actions

Protease S is a serine endoprotease with broad specificity that will digest native and denatured proteins. Cleavage occurs mainly on the carboxy side of peptide bonds. The optimal temperature range is 85 to 95 °C and the optimal pH range is 6.0 to 8.0. Protease S is inhibited by PMSF
Thermostable serine protease with broad specificity for native and denatured proteins.

Unit Definition

One unit will hydrolyze 1 μmol of N-Succinyl-Ala-Ala-Pro-Phe p-nitroanilide per minute at pH 7.0 at 95 °C.

Physical form

Solution in 25 mM Tris-HCl, pH 7.6, containing 40% ethanol.

pictograms

FlameHealth hazard

signalword

Danger

Hazard Classifications

Eye Irrit. 2 - Flam. Liq. 3 - Resp. Sens. 1

Storage Class

3 - Flammable liquids

wgk_germany

WGK 1

flash_point_f

78.8 °F

flash_point_c

26 °C


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