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A6150

Sigma-Aldrich

α1-Antitrypsin from human plasma

salt-free, lyophilized powder

Sinónimos:

α1-Proteinase inhibitor

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About This Item

Número de CAS:
9041-92-3
EC Number:
232-924-7
MDL number:
MFCD00130469
UNSPSC Code:
12352202
NACRES:
NA.77

biological source

human plasma

Quality Level

200

form

salt-free, lyophilized powder

concentration

≥60% (biuret)

technique(s)

inhibition assay: suitable

UniProt accession no.

P01009
P08246

storage temp.

2-8°C

Gene Information

human ... ELA2(1991) , ELANE(1991) , SERPINA1(5265)

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Biochem/physiol Actions

Serine protease inhibitor; inhibits trypsin, chymotrypsin and pancreatic and granulocytic elastase, and acrosin. Effective concentration equimolar with proteinase.The effects of hereditary α1-antitrypsin deficiency and certain autoimmune states result from uncontrolled proteolysis in vivo. Direct α1-antitrypsin replacement therapy has shown promise in animal models of Type 1 diabetes.
≤10 mg will inhibit 1.0 mg of trypsin with activity of 10,000 BAEE units per mg protein. ≤10 mg will inhibit approx. 1.0 mg of ·α-chymotrypsin with activity of 40-50 BTEE units per mg protein.

Caution

Aqueous stock solutions containing 0.01% NaN3 are stable for several months. Solutions can be stored at −80 °C, but should not be refrozen. Unstable below pH 5.5. Inactivated by some non-serine proteinases and by oxidation of active site methionine residue.

Preparation Note

Chromatographically prepared and partially purified.

Disclaimer

RESEARCH USE ONLY. This product is regulated in France when intended to be used for scientific purposes, including for import and export activities (Article L 1211-1 paragraph 2 of the Public Health Code). The purchaser (i.e. enduser) is required to obtain an import authorization from the France Ministry of Research referred in the Article L1245-5-1 II. of Public Health Code. By ordering this product, you are confirming that you have obtained the proper import authorization.

Storage Class

11 - Combustible Solids

wgk_germany

WGK 3

flash_point_f

Not applicable

flash_point_c

Not applicable

Certificados de análisis (COA)

Busque Certificados de análisis (COA) introduciendo el número de lote del producto. Los números de lote se encuentran en la etiqueta del producto después de las palabras «Lot» o «Batch»

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Kathirvel Alagesan et al.
Analytical and bioanalytical chemistry, 409(2), 529-538 (2016-12-03)
Glycopeptide enrichment is a crucial step in glycoproteomics for which hydrophilic interaction chromatography (HILIC) has extensively been applied due to its low bias towards different glycan types. A systematic evaluation of applicable HILIC mobile phases on glycopeptide enrichment efficiency and
Yukako Oda et al.
Science advances, 7(47), eabj6895-eabj6895 (2021-11-18)
[Figure: see text].
Cynthia L Bristow et al.
Journal of immunology (Baltimore, Md. : 1950), 180(1), 492-499 (2007-12-22)
To identify positive or negative factors for HIV-1 infectivity, clones from the U937 promonocytic cell line that express similar levels of CD4 and CXCR4, but differ in HIV-1 susceptibility, were compared. In contrast to HIV-1 permissive clone 10 (plus), nonpermissive
Tian-Hui Yang et al.
Journal of immunology (Baltimore, Md. : 1950), 201(5), 1389-1399 (2018-07-20)
Proteinase 3 (P3), a serine protease expressed by myeloid cells, localized within azurophil granules, and also expressed on the cellular membrane of polymorphonuclear neutrophils (PMN), is the target of autoimmunity in granulomatosis with polyangiitis. PR1, an HLA-A2 restricted nonameric peptide
J M Bender et al.
Experimental mechanics, 61(1), 235-251 (2021-03-30)
Myxomatous mitral valve degeneration is a common cause of mitral regurgitation and is often associated with mitral valve prolapse. With no known targets to pharmacologically treat mitral valve prolapse, surgery is often the only treatment option. Recently, radiofrequency ablation has
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