Correct spelling for the English word "Azurin" is [ˈazjʊɹˌɪn], [ˈazjʊɹˌɪn], [ˈa_z_j_ʊ_ɹ_ˌɪ_n] (IPA phonetic alphabet).
Azurin is a small, copper-containing protein found in certain bacteria that play a crucial role in electron transfer processes. It belongs to the blue copper proteins family, which derives its name from the characteristic blue coloration resulting from the copper atom's oxidation state.
The protein structure of azurin consists of a single polypeptide chain with a three-dimensional folded conformation. It contains a central copper atom, coordinated by cysteine residues, that serves as a critical participant in electron transfer reactions. Azurin's copper ion can exist in two states: Cu(I) and Cu(II), which enables it to alternate its oxidation state and facilitate electron transfer between redox partners.
Azurin performs a pivotal role in the electron transport chain of bacteria involved in respiration or metabolism. It acts as an intermediary, shuttling electrons between different enzymes and carriers. The transfer of electrons facilitated by azurin contributes to energy production and metabolism within the organism.
Aside from its biological function, azurin has attracted considerable interest due to its distinctive spectroscopic properties, particularly its intense blue color. This attribute has motivated scientists to investigate azurin's potential applications in various areas, including biotechnology, biochemistry, and nanotechnology. Researchers have explored the protein's unique features for utilization in biosensors, drug delivery systems, and molecular electronics.
In summary, azurin is a blue copper-containing protein found in bacteria that fulfills a critical role in electron transfer processes. Its ability to accept and donate electrons makes it an essential participant in energy production and metabolism within bacterial cells. Additionally, azurin's distinctive properties have sparked continued scientific investigation into its potential applications across multiple disciplines.
Sodium-theobromine acetate; diuretic in doses of gr. 10-15 (0.6-1.0).
A practical medical dictionary. By Stedman, Thomas Lathrop. Published 1920.
The word "Azurin" derives from the Latin word "azūrus", which means "azure blue" or "sky-blue". This Latin word is derived from the Persian word "lāzaward", which referred to a blue mineral called lapis lazuli. Over time, the term "azurin" came to be used specifically in the realm of chemistry and biochemistry to describe a blue-colored copper-containing protein found in certain organisms.