Bacterial Thermolysin Protein, CF

Catalog # Availability Size / Price Qty
Product Details
Citations (10)
Supplemental Products
Reviews (3)

Bacterial Thermolysin Protein, CF Summary

Product Specifications

>70%, by SDS-PAGE visualized with Silver Staining and quantitative densitometry by Coomassie® Blue Staining.
Endotoxin Level
<1.0 EU per 1 μg of the protein by the LAL method.
Measured by its ability to cleave the fluorogenic peptide substrate, Mca-RPPGFSAFK(Dnp)-OH (Catalog # ES005). The specific activity is >12,000 pmol/min/µg, as measured with 10 µM ES005 and 2 ng enzyme in 100 µL of 50 mM Tris, 10 mM CaCl2, 0.15 M NaCl, 0.05% Brij 35, pH 7.5.
Geobacillus stearothermophilus-derived Thermolysin protein
36 kDa, reducing conditions

Product Datasheets

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Carrier Free

What does CF mean?

CF stands for Carrier Free (CF). We typically add Bovine Serum Albumin (BSA) as a carrier protein to our recombinant proteins. Adding a carrier protein enhances protein stability, increases shelf-life, and allows the recombinant protein to be stored at a more dilute concentration. The carrier free version does not contain BSA.

What formulation is right for me?

In general, we advise purchasing the recombinant protein with BSA for use in cell or tissue culture, or as an ELISA standard. In contrast, the carrier free protein is recommended for applications, in which the presence of BSA could interfere.


Formulation Supplied as a 0.2 μm filtered solution in Tris, NaCl, CaCl2 and Glycerol.
Shipping The product is shipped with polar packs. Upon receipt, store it immediately at the temperature recommended below.
Stability & Storage: Use a manual defrost freezer and avoid repeated freeze-thaw cycles.
  • 6 months from date of receipt, -20 to -70 °C as supplied.
  • 3 months, -20 to -70 °C under sterile conditions after opening.
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Reconstitution Calculator

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Background: Thermolysin

Thermolysin is a zinc protease that can be used to activate a number of proteases produced at R&D Systems (see product inserts for details). Its activity can be inhibited by phosphoramidon, 1,10-phenanthroline or EDTA.

Protease Catalog # [Thermolysin] Inhibitor
rhADAM8 1031-AD 0.75 μg/mL Phosphoramidon
rhEnterokinase 1585-SE 1.58 μg/mL 1, 10-Phenanthroline
rhFactor VII 2338-SE 6.25 μg/mL 1, 10-Phenanthroline
rhFactor XI 2460-SE 10 μg/mL EDTA
rhHGF Activator 1514-SE 4.3 μg/mL 1, 10-Phenanthroline
rhKallikrein 1 2337-SE 1.0 μg/mL 1, 10-Phenanthroline
rhKallikrein 3/PSA 1344-SE 1.0 μg/mL 1, 10-Phenanthroline
rhKallikrein 4 1719-SE 1.0 μg/mL 1, 10-Phenanthroline
rhKallikrein 7 2624-SE 10 μg/mL EDTA
rhKallikrein 11 1595-SE 10 μg/mL EDTA
rhKallikrein 14 2626-SE 10 μg/mL EDTA
rmMast Cell Protease-11 2857-SE 0.2 μg/mL 1, 10-Phenanthroline
rhPlasma Kallikrein 2497-SE 10 μg/mL EDTA
rmPlasma Kallikrein 2498-SE 10 μg/mL EDTA
hThrombin 2196-SE 42 μg/mL 1, 10-Phenanthroline
rmTryptase-5 2634-SE 0.2 μg/mL 1, 10-Phenanthroline
rmTryptase epsilon 2059-SE 0.3 μg/mL 1, 10-Phenanthroline
rhTryptase beta 2 3796-SE 0.1 μg/mL 1, 10-Phenanthroline
rmFactor VII 3178-PA 1.0 μg/mL 1, 10-Phenanthroline
rhProprotein Convertase 7 2984-SE 2.0 μg/mL 1, 10-Phenanthroline
rm Prss28 4808-SE 0.1 μg/mL 1, 10-Phenanthroline
rhFactor XIV/Protein C 3349-SE 2.3 μg/mL 1, 10-Phenanthroline
rmFactor XIV/Protein C 4885-SE 5.0 μg/mL 1, 10-Phenanthroline

Alternate Names

Citations for Bacterial Thermolysin Protein, CF

R&D Systems personnel manually curate a database that contains references using R&D Systems products. The data collected includes not only links to publications in PubMed, but also provides information about sample types, species, and experimental conditions.

10 Citations: Showing 1 - 10
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  1. Sodium/(calcium + potassium) exchanger NCKX4 optimizes KLK4 activity in the enamel matrix microenvironment to regulate ECM modeling
    Authors: B Chan, IC Cheng, J Rozita, I Gorshteyn, Y Huang, I Shaffer, C Chang, W Li, J Lytton, P Den Besten, Y Zhang
    Frontiers in Physiology, 2023-02-06;14(0):1116091.
    Species: Human
    Sample Types: Recombinant Protein
    Applications: Bioassay
  2. Crystal structures of human procathepsin H
    Authors: Y Hao, W Purtha, C Cortesio, H Rui, Y Gu, H Chen, EA Sickmier, P Manzanillo, X Huang
    PLoS ONE, 2018-07-25;13(7):e0200374.
    Species: Human
    Sample Types: Protein
    Applications: Enzyme Assay
  3. N-glycosylation determines the abundance of the transient receptor potential channel TRPP2.
    Authors: Hofherr A, Wagner C, Fedeles S, Somlo S, Kottgen M
    J Biol Chem, 2014-04-09;289(21):14854-67.
    Species: Mouse
    Sample Types: Protein
    Applications: Enzyme Assay
  4. Proteolytic activation cascade of the Netherton syndrome-defective protein, LEKTI, in the epidermis: implications for skin homeostasis.
    Authors: Fortugno P, Bresciani A, Paolini C, Pazzagli C, El Hachem M, D'Alessio M, Zambruno G
    J Invest Dermatol, 2011-06-23;131(11):2223-32.
    Species: Human
    Sample Types: Recombinant Protein
    Applications: Enzyme Assay
  5. Inhibition of kallikrein-related peptidases by the serine protease inhibitor of Kazal-type 6.
    Authors: Kantyka T, Fischer J, Wu Z, Declercq W, Reiss K, Schroder J, Meyer-Hoffert U
    Peptides, 2011-03-23;32(6):1187-92.
    Applications: Bioassay
  6. Targeting tumor endothelial marker 8 in the tumor vasculature of colorectal carcinomas in mice.
    Authors: Fernando S, Fletcher BS
    Cancer Res., 2009-06-15;69(12):5126-32.
    Species: Mouse
    Sample Types: Buffer
    Applications: Enzyme Assay
  7. Active plasma kallikrein localizes to mast cells and regulates epithelial cell apoptosis, adipocyte differentiation, and stromal remodeling during mammary gland involution.
    Authors: Lilla JN, Joshi RV, Craik CS, Werb Z
    J. Biol. Chem., 2009-03-18;284(20):13792-803.
    Species: Mouse
    Sample Types: Buffer
    Applications: Enzyme Assay
  8. The extracellular matrix protein fibronectin is a substrate for kallikrein 7.
    Authors: Ramani VC, Haun RS
    Biochem. Biophys. Res. Commun., 2008-03-14;369(4):1169-73.
    Species: Human
    Sample Types: Recombinant Protein
    Applications: Bioassay
  9. Activation of hepatocyte growth factor activator zymogen (pro-HGFA) by human kallikrein 1-related peptidases.
    Authors: Mukai S, Fukushima T, Naka D, Tanaka H, Osada Y, Kataoka H
    FEBS J., 2008-01-25;275(5):1003-17.
    Species: Human
    Sample Types: Protein
    Applications: Enzyme Assay
  10. Expression and regulation of the metalloproteinase ADAM-8 during human neutrophil pathophysiological activation and its catalytic activity on L-selectin shedding.
    Authors: Gomez-Gaviro M, Dominguez-Luis M, Canchado J, Calafat J, Janssen H, Lara-Pezzi E, Fourie A, Tugores A, Valenzuela-Fernandez A, Mollinedo F, Sanchez-Madrid F, Diaz-Gonzalez F
    J. Immunol., 2007-06-15;178(12):8053-63.
    Species: Human
    Sample Types: Recombinant Protein
    Applications: Enzyme Assay


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Fluorogenic Peptide Substrates

Reviews for Bacterial Thermolysin Protein, CF

Average Rating: 5 (Based on 3 Reviews)

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Bacterial Thermolysin Protein, CF
By Anonymous on 03/13/2020
Application: Enzymatic activity in vitro

used to activate pro-KLK7 in an in vitro assay

Bacterial Thermolysin Protein, CF
By Anonymous on 03/22/2018
Application: Enzymatic activity in vitro
Reason for Rating: Activity appears to be consistent and reliable. I am not measuring rates, otherwise may be able to judge specific activities given. Would use again.

Bacterial Thermolysin Protein, CF
By Anonymous on 08/10/2017
Application: Enzymatic activity in vitro