نتایج جستجو برای: hemocyanins
تعداد نتایج: 116 فیلتر نتایج به سال:
Hemerythrins and hemocyanins are respiratory proteins present in some of the most ecologically diverse animal lineages; however, the precise evolutionary history of their enzymatic domains (hemerythrin, hemocyanin M, and tyrosinase) is still not well understood. We survey a wide dataset of prokaryote and eukaryote genomes and RNAseq data to reconstruct the phylogenetic origins of these proteins...
The copper(1) complex [(TMPA)Cu(RCN)]+ (1) binds 0 2 forming [{ (TMPA)Cu}2(02)]2+ (2), with trans-y-1, 2 peroxo-coordination. Ligands with quinolyl groups substituting for the pyridyl donors in TMPA cause dramatic changes in the course of reaction, in one case stabilizing a CdO2 1:l adduct [(BQPA)Cu(02)]+ (6 ) . The kinetics/thermodynamics are compared. Reaction of 1 with (F 8-TPP)Fe(II)pip2 (8...
Hemocyanin in the whole blood of the hydrothermal vent brachyuran crab, Bythograea thermydron, has a moderate oxygen affinity (P(50) = 6.6 millimeters of mercury at 2.6 degrees C; pH 7.5), which unlike that of other hemocyanins is independent of temperature over the range 2 degrees to 30 degrees C; carbon dioxide and pH have independent effects on the oxygen affinity of this pigment. The pH eff...
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