The method of preparation is considered proprietary. However, as mentioned in this properties section of the Product Detail Page, this is Azurin from Pseudomonas aeruginosa. See the links below to review a sample Certificate of Analysis and the product data sheet, respectively:
https://www.sigmaaldrich.com/certificates/sapfs/PROD/sap/certificate_pdfs/COFA/Q14/A3672-1MG0000211689.pdf
https://www.sigmaaldrich.com/deepweb/assets/sigmaaldrich/product/documents/306/100/a3672dat.pdf
A3672
Azurin aus Pseudomonas aeruginosa
from Pseudomonas aeruginosa, lyophilized powder
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1 MG
€ 865,00
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1 MG
€ 865,00
About This Item
Empfohlene Produkte
Biologische Quelle
Pseudomonas aeruginosa
Qualitätsniveau
Form
lyophilized powder
Zusammensetzung
Protein, ≥65% Lowry
Konzentration
≥65.0% (Lowry)
Methode(n)
toxicology assay: suitable
Löslichkeit
water: soluble 1—1.1 mg/mL, clear, blue (light blue to blue)
UniProt-Hinterlegungsnummer
Lagertemp.
−20°C
Angaben zum Gen
Pseudomonas aeruginosa ... AZU(878046)
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Allgemeine Beschreibung
Research area: Apoptosis. Azurinis a periplasmic protein and is a homotetramer.[1]
Anwendung
Biochem./physiol. Wirkung
Azurin acts as an electron donor for nitrite reductase in bacterial denitrification process.[1] It exhibits anticancer activity[1] as it hampers various independent signaling pathways associated with cancer progression. It binds to tumor suppressor protein p53 and induces cancer cell apoptosis or stalls cancer cell growth. Azurin disrupts angiogenesis by reducing the activity of VEGFR-2tyrosine kinase thereby inhibiting tumor growth. It has been observed to show cytotoxicity in human breast cancer cells and human melanoma cells.[5]
Azurin is a metalloprotein in the family of cupredoxins. It preferentially enters cancer cells over normal cells and induces apoptosis. Azurin has structural similarities to ephrinB2, and in fact binds the ephrin receptor tyrosine kinase EphB2 to initiate cell signaling that is involved in cancer progression. Azurin inhibits autophosphorlyation of the EphB2 tyrosine residue, interfering with upstream cell signaling and contributing to cancer cell growth inhibition.
Physikalische Form
Lyophilized powder containing ammonium acetate buffer salts.
Lagerklassenschlüssel
11 - Combustible Solids
WGK
WGK 3
Flammpunkt (°F)
Not applicable
Flammpunkt (°C)
Not applicable
Persönliche Schutzausrüstung
Eyeshields, Gloves, type N95 (US)
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Analysenzertifikate (COA)
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Caterina Bernini et al.
Journal of the American Chemical Society, 135(12), 4822-4833 (2013-03-06)
Many biological electron-transfer reactions involve short-lived tryptophan radicals as key reactive intermediates. While these species are difficult to investigate, the recent photogeneration of a long-lived neutral tryptophan radical in two Pseudomonas aeruginosa azurin mutants (Az48W and ReAz108W) made it possible
Meng Gao et al.
Protein science : a publication of the Protein Society, 26(12), 2334-2341 (2017-09-30)
Azurin secreted by Pseudomonas aeruginosa is an anticancer bacteriocin, which preferentially enters human cancer cells and induces apoptosis or growth inhibition. It turns out that azurin is a multi-target anticancer agent interfering in the p53 signaling pathway and the non-receptor
Koyu Fujita et al.
Journal of inorganic biochemistry, 115, 163-173 (2012-08-23)
Pseudoazurin (PAz), a well-characterized blue copper electron-transfer protein, is shown herein to be capable of mediating electron transfer to the nitrous oxide reductase (N(2)OR) from Achromobacter cycloclastes (Ac). Spectroscopic measurements demonstrate that reduced PAz is efficiently re-oxidized by a catalytic
Nadav Amdursky et al.
Proceedings of the National Academy of Sciences of the United States of America, 110(2), 507-512 (2012-12-26)
Measuring solid-state electron transport (ETp) across proteins allows studying electron transfer (ET) mechanism(s), while minimizing solvation effects on the process. ETp is, however, sensitive to any static (conformational) or dynamic (vibrational) changes in the protein. Our macroscopic measurements allow extending
Comparison of the self-chemisorption of azurin on gold and on functionalized oxide surfaces
Schnyder BK, et al.
Surface and Interface Analysis : SIA, 34(1), 40-44 (2002)
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How do i know that this is azurin i mean any confirmatory test or anything else.
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