C0888
Clostripain from Clostridium histolyticum
≥20 units/mg solid
Synonym(s):
Clostridiopeptidase B, Proteinase from Clostridium histolyticum
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About This Item
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form
lyophilized powder
Quality Level
specific activity
≥20 units/mg solid
mol wt
15.4 kDa
41.7 kDa
impurities
salt, essentially free
storage temp.
2-8°C
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Application
Clostripain from Clostridium histolyticum has been used as a proteolytic enzyme in perfusate to detect its effect on tube hematocrit. It has also been used in limited proteolysis of DNA polymerase (gp43) of phage T4 (RB69 gp43).
Biochem/physiol Actions
Clostripain from Clostridium histolyticum is composed of two polypeptide chains, with molecular masses of 41.7 kDa and 15.4 kDa. Clostripain has a highly restricted substrate specificity for Arg-Xaa peptide bonds. Therefore, clostripain has been explored as a potential enzyme for protein sequencing purposes. It has also been studied as a catalyst for condensation of pharmaceutically important peptides containing Arg-Pro bonds.
Packaging
Bottomless glass bottle. Contents are inside inserted fused cone.
Quality
Purified, essentially salt-free
Unit Definition
One unit will hydrolyze 1.0 μmole of BAEE per min at pH 7.6 at 25 °C in the presence of 2.5 mM DTT.
Analysis Note
The enzyme must be activated for 2-3 hours before use by dissolving in 2.5 mM dithiothreitol containing 1.0 mM calcium acetate.
inhibitor
Product No.
Description
Pricing
Signal Word
Danger
Hazard Statements
Precautionary Statements
Hazard Classifications
Eye Irrit. 2 - Resp. Sens. 1 - Skin Irrit. 2 - STOT SE 3
Target Organs
Respiratory system
Storage Class Code
11 - Combustible Solids
WGK
WGK 3
Flash Point(F)
Not applicable
Flash Point(C)
Not applicable
Personal Protective Equipment
dust mask type N95 (US), Eyeshields, Gloves
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