SRP6001
Procathepsin K human
recombinant, expressed in E. coli, ≥95% (SDS-PAGE)
Synonym(e):
CTSK, CTSO, CTSO2
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About This Item
Empfohlene Produkte
Biologische Quelle
human
Rekombinant
expressed in E. coli
Assay
≥95% (SDS-PAGE)
Form
liquid
Verpackung
pkg of 10 μg
Konzentration
~200 μg/mL
Verunreinigungen
Endotoxin, tested
NCBI-Hinterlegungsnummer
Versandbedingung
dry ice
Lagertemp.
−70°C
Angaben zum Gen
human ... CATK(1513)
Allgemeine Beschreibung
Procathepsin K is the inactive proenzyme of cathepsin K. Cathepsin K is a lysosomal cysteine protease and part of the papain cysteine protease family. It is expressed in osteoclasts. The gene encoding this protein is localized on human chromosome 1q21.
Biochem./physiol. Wirkung
Cathepsin K has a role in bone resorption and remodeling. It has a triple helical collagen hydrolase activity. Mutations in the gene encoding this protein have been linked to pycnodysostosis.
Physikalische Form
Liquid (25 mM Tris pH 8.0, 500 mM NaCl)
Sonstige Hinweise
Procathepsin K can be activated by adjusting the pH 4.0 by adding an equal volume of 100 mM NaAc pH 3.9, 10 mM DTT, 5 mM EDTA followed by incubation for 40 min at RT. Activated mature Cathepsin is highly auto-proteolytic at pH 4.0, and care must be taken to avoid self-proteolysis. If the activated enzyme is not used immediately, we recommend to add methyl methanthiosulfonate (1 mM final concentration; MeS-SO2Me; MMTS) and to freeze the sample in liquid nitrogen or on dry ice. The hydrophobic thiol-reactive compound MMTS modifies cysteine′s by attaching its relatively small, uncharged thiomethyl-blocking group to reactive sulfhydryl groups (Nishimura et al., 1975). This reversible reaction arrests the auto-proteolytic process. The activity of the enzyme can be restored to nearly unmodified levels by adding L-cysteine (3M excess over MMTS) to the enzyme solution.
Lagerklassenschlüssel
12 - Non Combustible Liquids
WGK
WGK 3
Flammpunkt (°F)
Not applicable
Flammpunkt (°C)
Not applicable
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Joaquín Bobillo Lobato et al.
Medicina clinica, 145(7), 281-287 (2015-02-11)
Gaucher disease is an inherited disorder caused by deficit of acid β-glucocerebrosidase, responsible for the degradation of glucosylceramide to ceramide and glucose. Although the disorder is primarily hematologic, bone is the second most commonly affected structure. Cathepsin K (CATK) is
Xianglan Huang et al.
Calcified tissue international, 96(5), 373-378 (2015-03-03)
Pycnodysostosis is a rare autosomal recessive skeletal dysplasia characterized by short stature, osteosclerosis, acro-osteolysis, frequent fractures, and skull deformities. Mutation in the gene encoding cathepsin K (CTSK), which is a lysosomal cysteine protease, has been found to be responsible for
Vito Turk et al.
Biochimica et biophysica acta, 1824(1), 68-88 (2011-10-26)
It is more than 50 years since the lysosome was discovered. Since then its hydrolytic machinery, including proteases and other hydrolases, has been fairly well identified and characterized. Among these are the cysteine cathepsins, members of the family of papain-like
Guangxian Zhao et al.
PloS one, 10(8), e0136093-e0136093 (2015-08-25)
Cysteinyl cathepsin K (CatK) is one of the most potent mammalian collagenases involved in cardiovascular disease. Here, we investigated the clinical predictive value of serum CatK levels in patients with chronic heart failure (CHF). We examined 134 patients with CHF
Adeleke H Aguda et al.
Proceedings of the National Academy of Sciences of the United States of America, 111(49), 17474-17479 (2014-11-26)
Cathepsin K is the major collagenolytic protease in bone that facilitates physiological as well as pathological bone degradation. Despite its key role in bone remodeling and for being a highly sought-after drug target for the treatment of osteoporosis, the mechanism
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