Isopeptidase-Fluorogenic Assays

FXIII-Assay Substance,


Abz-NE(CAD-DNP)EQVSPLTLLK-OH

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10 mg 520 € available


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Art. No. A101
Background info Also suitable for TG1, TG2, TG3 and TG6

Factor XIII FXIII assay substance A101 by Zedira
Molecular Formula C80H123F3N20O27 (free base: C78H122N20O25)
Molecular Weight 1853.95 (free base: 1739.92)
Purity by HPLC >95 % (HPLC)
Appearance yellow solid
Solubility 50 μM in 0.1% (v/v) DMSO / aqueous buffers.
Pre-dissolve e.g. 10 mg (5.39 μmol) in 108 μl DMSO - dilute e.g. 10 μl of that stock solution (50 mM) with 9990 μl aqueous buffer to obtain a 50 μM solution. DMSO stock solutions are sterile and can be stored at -20°C for at least 6 months. To avoid too many freeze-thaw cycles, we strongly recommend storage of aliquots.
Application Kinetic measurement of transglutaminases
Storage Store at -20°C, desiccate
Reference(s) Oertel, K. et al. Anal. Biochem. 2007, 367, 152.
Dodt, J. et al. Anal. Biochem. 2013, 439, 145.
Berny‐Lang, M.A. et al. J. Am. Heart Assoc. 2013, 2, e000026.
Schroeder, V. et al. Br. J. Haematol. 2015, 168, 757.
de Jager, M. et al. Neuropathol. Appl. Neurobiol. 2016, 42, 255.
Király, R. et al. Amino Acids 2016, 48, 31.
van der Wildt, B. et al. Nucl. Med. Biol. 2016, 43, 232.
Dodt, J. et al. Br. J. Haematol. 2016, 172, 452.
Chrobok, N.L. et al. PLoS ONE 2018, 13, e0209522.
Akbar, A. et al. J. Med. Chem. 2017, 60, 7910-7927.
Singh, S. et al. Int. J. Mol. Sci. 2019, 20, 2682.
Note The molecular weight was corrected to 1853.95, taking into account that A101 traps only one TFA counter ion instead of two counter ions as stated in PDS RN3.1 from 07 May 2014. The presence of one TFA counter ion is valid for all former batches, too.
Background: During the course of our continuous quality assurance process, Zedira developed a novel method to quantify the TFA counter ion content by using a 19F NMR method according to Little et al. (J. Pharm. Biomed. Anal. 2007, 43, 1324), based on an internal standard.
Please note that neither the synthesis and purification nor the product as such has been changed. Please consider the molecular weight correction if necessary.

Intended for research use only, not for use in human, therapeutic or diagnostic applications.

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  • Press release: Dr. Falk Pharma and Zedira announce completion of phase 1b clinical trial of ZED1227 for the treatment of celiac disease and move on to proof of concept study
  • Press Release: Dr. Falk Pharma GmbH and Zedira enter a phase 1b clinical trial for a celiac disease drug
  • Zedira publication: Microbial transglutaminase has a lower deamidation preference than human tissue transglutaminase on a celiac disease relevant wheat gliadin T-cell epitope
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  • Pressemitteilung: Zusätzliche Fördermittel für die klinische Entwicklung eines Zöliakie-Medikamentes
  • Press Release: Cooperation between Zedira and Cardiff University - Transglutaminase 6 is the focus of new research into ataxia
  • Press Release: Dr. Falk Pharma and Zedira enter phase I clinical trials for a celiac disease drug
  • Press release: Zedira receives further funding to develop Factor XIIIa-blockers for safe anticoagulation

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