This product is assigned a minimum activity specification of 50 units per milligram protein. At the minimum activity of 50 units, one vial would contain 20 ug of protein. The activity and protein content are lot specific and reported in the product Certificate of Analysis. Please see the link below to review a sample or lot specific Certificate:
https://www.sigmaaldrich.com/product/sigma/e8140#product-documentation
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| À vous/Référence | Disponibilité | Prix |
|---|---|---|
1 unit | Disponible dès aujourd'huiDeSt QuentinFallavier | 386,00 € |
A propos de cet article
Quality Segment
biological source
human leucocytes
form
lyophilized powder
specific activity
≥50 units/mg protein (Bradford)
mol wt
29 kDa
UniProt accession no.
shipped in
dry ice
storage temp.
−20°C
Gene Information
human ... ELA2(1991), ELANE(1991)
General description
Point isoélectrique : pI = 8,77 - 9,55
Application
- pour mesurer l'activité de l'élastase dans le sérum
- pour la digestion protéolytique de la fibronectine et des glandes salivaires[1]
- dans l'essai d'activité de l'élastase de neutrophiles
- pour la digestion de l'E-cadhérine par l'élastase de neutrophiles dans un système acellulaire
- dans l'essai de guérison de plaie "scratch wound"
- dans une étude évaluant l'accélération de la cicatrisation par des fragments de Nle3-angiotensine(1-7) dans des modèles dermiques
Biochem/physiol Actions
Physical form
Other Notes
1 of 1
Cet article | |||
|---|---|---|---|
| Gene Information human ... ELA2(1991), ELANE(1991) | Gene Information - | Gene Information - | Gene Information - |
| specific activity ≥50 units/mg protein (Bradford) | specific activity ≥20 units/mg protein | specific activity ≥4 units/mg protein | specific activity ≥4.0 units/mg protein (biuret) |
| biological source human leucocytes | biological source - | biological source Porcine | biological source Porcine pancreas |
| form lyophilized powder | form lyophilized solid | form lyophilized powder | form lyophilized powder |
| shipped in dry ice | shipped in ambient | shipped in dry ice | shipped in - |
| storage temp. −20°C | storage temp. −20°C | storage temp. −20°C | storage temp. −20°C |
Classe de stockage
13 - Non Combustible Solids
wgk
WGK 1
flash_point_f
Not applicable
flash_point_c
Not applicable
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How much does each vial contains? please answer me using gram and not activity unit.
1 réponse-
Utile ?
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Combien de temps et à quelle température peut-on stocker des aliquôts de solution l'élastase reconstituée dans le tampon pH5.5, s'il vous plaît?
1 réponse-
This material is lyophilized from a solution containing 0.05 M sodium acetate (pH 5.5) and 0.6 M NaCl. The solution stability of this product has not been determined. However, reconstitution in water and snap-freezing in aliquots, then storing at -70°C, is recommended.
Utile ?
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Is this the active form of the enzyme? or does it require activation by cathepsin?
1 réponse-
This product is not activated by cathepsin when tested for the activity of the enzyme. Please see the enzyme assay at the link below:
https://www.sigmaaldrich.com/deepweb/assets/sigmaaldrich/product/documents/506/826/e8140enz.pdfUtile ?
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How much enzyme is contained in a single package?
1 réponse-
As provided, each vial contains one unit of Elastase enzyme activity, defined as the amount of enzyme required to catalyze the conversion of nanomole of p-nitrophenol per second from BOC-L-alanine p-nitrophenyl ester at pH 6.5 at 37 °C.
Utile ?
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