نتایج جستجو برای: metalloprotein
تعداد نتایج: 408 فیلتر نتایج به سال:
Sub diffraction limited infrared absorption imaging of hemoglobin was performed by coupling IR optics with an atomic force microscope. Comparisons between the AFM topography and IR absorption images of micron sized hemoglobin features are presented, along with nanoscale IR spectroscopic analysis of the metalloprotein.
Work on metalloprotein export in bacteria, and protein import into chloroplasts, has converged in the recognition of a novel membrane translocation system with two fascinating properties: it is driven energetically by the transmembrane pH gradient, and it is capable of translocating folded proteins.
In fluorophore-cored dendrimers with peripheral binding functionalities, the effect of generation upon protein binding-induced fluorescence quenching can be unpredictable; this is because the increase in fluorophore-binding functionality distance with generation is also accompanied by an increase in the number of binding moieties and the interplay between the two features is utilized to create ...
We report the design and synthesis of an aquacarbonyl Ru(II) dication cis-[Ru(CO)2(H2O)4](2+) reagent for histidine (His)-selective metallation of interleukin (IL)-8 at site 33. The artificial, non-toxic interleukin (IL)-8-Ru(II)(CO)2 metalloprotein retained IL-8-dependent neutrophil chemotactic activity and was shown to spontaneously release CO in live cells.
We describe an approach to generating and verifying well-defined redox states in metalloprotein single crystals by combining electrochemical control with synchrotron infrared microspectroscopic imaging. For NiFe hydrogenase 1 from Escherichia coli we demonstrate fully reversible and uniform electrochemical reduction from the oxidised inactive to the fully reduced state, and temporally resolve s...
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