(n.) The blue roach of Europe (Leuciscus caeruleus); -- so called from its color.
Example Sentences:
(1) The enantiomer of 1-(4-hydroxyphenyl)ethanol produced by 4EPMH was R(+) when horse heart cytochrome c or azurin was used as electron acceptor for the enzyme.
(2) In azurin, Cr(III) binds to the Glu-91 carboxylate approximately 10 A from the copper center.
(3) Pulsed laser excitation of the reduced azurin in the region of enhanced absorbance at 308 nm results in single photon, rapid (less than 30 ns) oxidation of the copper center and formation of the hydrated electron with a quantum yield of 0.05.
(4) We have determined the amino acid sequences of these blue copper proteins, and show that they are both true azurins.
(5) The Cu(II) sites of azurins, the blue single copper proteins, isolated from Pseudomonas aeruginosa and Alcaligenes spp.
(6) A calculated most parcimonious phylogenetic tree shows the divergence of the azurin and plastocyanin ancestor to be the earliest event.
(7) However, apo-azurin and azurin derivatives in which the copper was substituted by the redox-inert ions Ni2+, Co2+, Cd2+ and Zn2+, did not show any effect on the kinetics.
(8) In the presence of oxidized protein, the T1 values of this proton in reduced azurin depend on the lifetime of the reduced protein.
(9) Comparision of this primary structure with those of azurins, plastocyanins and stellacyanins reveals clear homologies among them.
(10) The effects of various metall-containing proteins (plastocyanin, plantacyanin, azurine and cytochromes of the f type) on the activity of photosystem I of chloroplasts, treated with polyene antibiotics, were studied.
(11) Amino acid sequences of 8 plastocyanins, 8 azurins, stellacyanin, two regions in human ceruloplasmin (ferroxidase)--all of which proteins are known to bind a blue (type 1) copper--and subunit II of bovine mitochondrial cytochrome c oxidase were compared by statistical methods to assess similarities and derive possible evolutionary relationships.
(12) This protein also shows an increase of 20-40 mV in the reduction potential compared to the other azurins.
(13) A purification procedure was developed to isolate the azurin obtained from the E. coli cells.
(14) The temperature and pH effects on the fluorescence behavior of these homologous azurins are presented with the pH study suggesting an influence by a group which titrates between pH 5 and pH 7.
(15) The nitrite oxidizes reduced azurin and cytochrome c-551 from Pseudomonas aeruginosa.
(16) The protein, which does not contain arginine residues, has optical absorbance maxima at 287, 450, 597 and 750 nm and is generally similar to azurin.
(17) We previously reported the cloning and sequencing of a meningococcal gene (laz) encoding an H.8 MAb-binding protein with a consensus lipoprotein processing site, an N-terminal domain containing the epitope for H.8 MAb binding, and a C-terminal domain with extensive similarity to the sequences of azurins from other organisms.
(18) The azurin-encoding azu gene from Pseudomonas aeruginosa was cloned and expressed in Escherichia coli.
(19) The identification of possible copper ligands in human ceruloplasmin was carried out by the computer similarity analysis for sequences of ceruloplasmin and several other copper oxidases: azurin, plastocyanin, superoxide dismutase, tyrosinase and hemocyanin.
(20) The results are compared with those obtained during a previous study of the reaction of reduced Pseudomonas cytochrome oxidase with oxidized azurin.