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Key Documents

CS1070

Sigma-Aldrich

Transglutaminase Assay Kit

sufficient for assays in two 96-well plates

Synonyme(s) :

TGases Assay Kit

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About This Item

Code UNSPSC :
12161503
Nomenclature NACRES :
NA.28

Niveau de qualité

Conditions d'expédition

dry ice

Température de stockage

−20°C

Description générale

The Transglutaminase Assay Kit is designed for the detection of transglutaminase activity in biological samples. The kit can also be used for screening of transglutaminase inhibitors/activators.

Application

The assay is based on transglutaminase catalysis of a covalent bond formation between the free amine group of Poly L-Lysine, which is covalently attached to the plate surface, and the γ-carboxamide group of biotin-TVQQEL-OH substrate present in the assay buffer. This reaction immobilizes biotin to the plate surface. The amount of immobilized biotin is proportional to the amount of active transglutaminase in the sample. The amount of immobilized biotin is determined using streptavidin-peroxidase and TMB substrate.

Actions biochimiques/physiologiques

Transglutaminases (TGases) are a widely distributed and unique group of calcium dependent enzymes that catalyze the post-translational modification of proteins by the formation of isopeptide bonds. This occurs either through protein cross-linking via formation of γ-glutamyl-ε-lysine bonds or through incorporation of primary amines at selected peptide-bound glutamine residues. The cross-linked products, often of high molecular mass, are highly resistant to mechanical challenge and proteolytic degradation, and their accumulation is found in a number of tissues and processes, where such properties are important including skin, hair, blood clotting, and wound healing. Deregulation of the enzyme activity contributes to a number of human diseases.

Autres remarques

The detection limit is 0.003 mU/assay or 0.03mU/ml of Transglutaminase.

Composants de kit également disponibles séparément

Réf. du produit
Description
FDS

  • T5398Transglutaminase from guinea pig liver, lyophilized powder, ≥1.5 units/mg protein 2 eaFDS

  • T04403,3′,5,5′-Tetramethylbenzidine (TMB) Liquid Substrate System for ELISA, peroxidase substrateFDS

  • S5512Streptavidin−Peroxidase from Streptomyces avidinii, lyophilized powder 100 μgFDS

Pictogrammes

Health hazardCorrosion

Mention d'avertissement

Danger

Mentions de danger

Classification des risques

Aquatic Chronic 3 - Eye Dam. 1 - Met. Corr. 1 - Resp. Sens. 1 - Skin Irrit. 2

Code de la classe de stockage

8A - Combustible corrosive hazardous materials


Certificats d'analyse (COA)

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Consulter la Bibliothèque de documents

G Korner et al.
The Biochemical journal, 262(2), 633-641 (1989-09-01)
Bovine aortic endothelial cells contain Ca2+-dependent tissue-type transglutaminase. Its activity in these cells was high, with apparent Km and Vmax. values with respect to putrescine of 0.203 mM and 18.5 nmol/min per mg of protein, and its activity was inhibited
Transglutaminases and their substrates.
Francesco Facchiano et al.
Progress in experimental tumor research, 38, 37-57 (2005-03-05)
Mechanism of action of guinea pig liver transglutaminase. VII. Chemical and stereochemical aspects of substrate binding and catalysis.
S I Chung et al.
The Journal of biological chemistry, 245(23), 6424-6435 (1970-12-10)
Claudia Damaris Müller et al.
Scientific reports, 12(1), 13326-13326 (2022-08-04)
Transglutaminases (TGs) catalyze the covalent crosslinking of proteins via isopeptide bonds. The most prominent isoform, TG2, is associated with physiological processes such as extracellular matrix (ECM) stabilization and plays a crucial role in the pathogenesis of e.g. fibrotic diseases, cancer
Daniel Rittschof et al.
PloS one, 6(2), e16487-e16487 (2011-03-08)
Attachment strength of fouling organisms on silicone coatings is low. We hypothesized that low attachment strength on silicones is, in part, due to the interaction of surface available components with natural glues. Components could alter curing of glues through bulk

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