A3672
Azurin
from Pseudomonas aeruginosa, lyophilized powder
Product Name
Azurin, from Pseudomonas aeruginosa, lyophilized powder
biological source
Pseudomonas aeruginosa
form
lyophilized powder
composition
Protein, ≥65% Lowry
concentration
≥65.0% (Lowry)
technique(s)
toxicology assay: suitable
solubility
water: soluble 1—1.1 mg/mL, clear, blue (light blue to blue)
UniProt accession no.
storage temp.
−20°C
Quality Level
Gene Information
Pseudomonas aeruginosa ... AZU(878046)
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Application
Azurin has been used:
- in the cytotoxicity and cell viability studies in human osteosarcoma cell line
- for the functionalization of silicon nitride cantilevers for interaction studies
- for coating gold surface and insulating functionalized oxide surfaces of silicon oxide and mica
Biochem/physiol Actions
Azurin acts as an electron donor for nitrite reductase in bacterial denitrification process. It exhibits anticancer activity 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.
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.
General description
Research area: Apoptosis. Azurinis a periplasmic protein and is a homotetramer.
Physical form
Lyophilized powder containing ammonium acetate buffer salts.
Storage Class
11 - Combustible Solids
wgk
WGK 3
flash_point_f
Not applicable
flash_point_c
Not applicable
ppe
Eyeshields, Gloves, type N95 (US)
Regulatory Information
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Wenjie Li et al.
ACS nano, 6(12), 10816-10824 (2012-11-10)
Solid-state electron transport (ETp) via a monolayer of immobilized azurin (Az) was examined by conducting probe atomic force microscopy (CP-AFM), as a function of both temperature (248-373K) and applied tip force (6-15 nN). At low forces, ETp via holo-Az (with
Matthew P McLaughlin et al.
Journal of the American Chemical Society, 134(48), 19746-19757 (2012-11-22)
The apoprotein of Pseudomonas aeruginosa azurin binds iron(II) to give a 1:1 complex, which has been characterized by electronic absorption, Mössbauer, and NMR spectroscopies, as well as X-ray crystallography and quantum-chemical computations. Despite potential competition by water and other coordinating
Daniel Raimunda et al.
Metallomics : integrated biometal science, 5(2), 144-151 (2013-01-29)
Pseudomonas aeruginosa, an opportunistic pathogen, has two transmembrane Cu(+) transport ATPases, CopA1 and CopA2. Both proteins export cytoplasmic Cu(+) into the periplasm and mutation of either gene leads to attenuation of virulence. CopA1 is required for maintaining cytoplasmic copper levels
Leandro Gammuto et al.
Microorganisms, 10(1) (2022-01-22)
Azurin is a bacterial-derived cupredoxin, which is mainly involved in electron transport reactions. Interest in azurin protein has risen in recent years due to its anticancer activity and its possible applications in anticancer therapies. Nevertheless, the attention of the scientific
Krzysztof Kazimierczuk et al.
Journal of magnetic resonance (San Diego, Calif. : 1997), 223, 1-10 (2012-09-11)
The resolution of multidimensional NMR spectra can be severely limited when regular sampling based on the Nyquist-Shannon theorem is used. The theorem binds the sampling rate with a bandwidth of a sampled signal and thus implicitly creates a dependence between
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