Search

Your search keyword '"Fann, Yang C."' showing total 1 results
Start Over Author "Fann, Yang C." Publication Type Academic Journals Publisher american chemical society
1 results on '"Fann, Yang C."'

1. Structure of CuB in the binuclear heme-copper center of the cytochrome aa3-type quinol oxidase from Bacillus subtilis: an ENDOR and EXAFS study

Author

Fann, Yang C., Ahmed, Ishak, Blackburn, Ninian J., Boswell, John S., Verkhovskaya, Marina L., Hoffman, Brian M., and Wikstrom, Marten

Subjects
Cytochromes -- Research, Extended X-ray absorption fine structure -- Usage, Bacillus subtilis -- Research, Histidine -- Analysis, Electron paramagnetic resonance spectroscopy -- Analysis, Biological sciences, Chemistry
Abstract

EXAFS and ENDOR spectroscopy can analyze the structure of the CuB site in the binuclear heme-copper center of the fully oxidized form of the quinol-oxidizing cytochrome aa3-600 from Bacillus subtilis. The EXAFS of the CuB site strongly indicate tetragonal coordination by two or three histidines with one or two O/N donor ligand. Proton ENDOR spectroscopy of the CuB site in 1H2O and 2H2O media showed evidence of an oxygenous copper ligand with an exchangeable proton. 14N ENDOR revealed three inequivalent nitrogenous ligands with hyperfine coupling constants consistent with histidines.

Published
1995

Catalog

Books, media, physical & digital resources
See catalog results