T5398
Transglutaminase from guinea pig liver
lyophilized powder, ≥1.5 units/mg protein
Sinonimo/i:
Protein-Glutamine-γ-Glutamyltransferase, Protein-glutamine:amine γ-glutamyltransferase
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About This Item
Numero CAS:
Numero MDL:
Codice UNSPSC:
12352204
NACRES:
NA.54
Prodotti consigliati
Forma fisica
lyophilized powder
Livello qualitativo
Attività specifica
≥1.5 units/mg protein
PM
76.6 kDa
Composizione
Protein, ≥80% modified Warburg-Christian
Solubilità
H2O: soluble 1.0 mg/mL, clear
applicazioni
diagnostic assay manufacturing
Condizioni di spedizione
dry ice
Temperatura di conservazione
−20°C
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Applicazioni
This product from Sigma has been used to demonstrate that tissue transglutaminase (tTG) selectively deamidates gluten peptides, which results in strongly enhanced T cell-stimulatory activity. It has also been used to assess immune responses to A-gliadin peptides. Furthermore, it has been used to demonstrate that tTG selectively modifies gliadin peptides that are recognized by gut-derived T cells in celiac disease.
Transglutaminase has been used in a study to improve quantifiable assays to fully characterize the role of transglutaminase in diseases such as Huntington′s disease and Alzheimer′s disease.Transglutaminase has also been used in a study to develop a nonradioactive dot blot assay for transglutaminase activity.
Azioni biochim/fisiol
Transglutaminase from guinea pig liver consists of a single polypeptide chain of 691 amino acid residues. It has six potential glycosylation sites (Asn-X-Ser or Asn-X-Thr), but it is not glycosylated. The molecular mass is approximately 76.6 kDa. It is calcium dependent and has several calcium binding sites. The enzyme is inhibited by iodoacetamide and N-ethylmaleimide in the presence of calcium. It catalyzes the incorporation of small molecular weight amines into γ-glutamine sites of proteins. In the absence of small molecular weight amines, it catalyzes the cross linking of proteins that results in the formation of γ-glutamyl-ε-lysine side chain peptides. Liver transglutaminase is a nonzymogenic enzyme.
Definizione di unità
One unit will catalyze the formation of 1.0 μmole of hydroxamate per min from Nα-Z-Gln-Gly and hydroxylamine at pH 6.0 at 37 °C. (L-Glutamic acid γ-monohydroxamate is the standard.)
Stato fisico
Lyophilized powder containing Tris and dithioerythritol
Avvertenze
Danger
Indicazioni di pericolo
Consigli di prudenza
Classi di pericolo
Resp. Sens. 1
Codice della classe di stoccaggio
11 - Combustible Solids
Classe di pericolosità dell'acqua (WGK)
WGK 1
Punto d’infiammabilità (°F)
Not applicable
Punto d’infiammabilità (°C)
Not applicable
Dispositivi di protezione individuale
Eyeshields, Gloves, type N95 (US)
Certificati d'analisi (COA)
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I clienti hanno visto anche
L Lorand et al.
Molecular and cellular biochemistry, 58(1-2), 9-35 (1984-01-01)
This paper is intended as a background to the topic of transglutaminases, while focusing on current ideas regarding the biological roles of these enzymes. Specifically, the following topics are discussed: geometry of forming gamma-glutamyl-epsilon-lysine cross-linked structures; energetic considerations; the gamma-glutamyl-epsilon-lysine
Mechanism of action of guinea pig liver transglutaminase. I. Purification and properties of the enzyme: identification of a functional cysteine essential for activity.
J E Folk et al.
The Journal of biological chemistry, 241(23), 5518-5525 (1966-12-10)
Syeda Warisul Fatima et al.
RSC advances, 11(55), 34613-34630 (2022-05-03)
Breast cancer is the most common malignancy among women. With the aim of decreasing the toxicity of conventional breast cancer treatments, an alternative that could provide appropriate and effective drug utilization was envisioned. Thus, we contemplated and compared the in
M P M Adriaanse et al.
Alimentary pharmacology & therapeutics, 37(4), 482-490 (2013-01-08)
Enterocyte damage is the hallmark of coeliac disease (CD) resulting in malabsorption. Little is known about the recovery of enterocyte damage and its clinical consequences. Serum intestinal fatty acid binding protein (I-FABP) is a sensitive marker to study enterocyte damage.
Y van de Wal et al.
Journal of immunology (Baltimore, Md. : 1950), 161(4), 1585-1588 (1998-08-26)
Celiac disease (CD) is caused by gluten ingestion in susceptible individuals. Tissue transglutaminase (tTG)-specific Abs are characteristic of CD, and increased tTG activity has been observed in the jejunal biopsies of patients. Here we demonstrate that tTG selectively deamidates gluten
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