{"id":{"repo_id":"uiuc","oai_identifier":"oai:www.ideals.illinois.edu:2142/19323"},"canonical_url":"https://search.dev.ndltd.org/etd/uiuc/oai:www.ideals.illinois.edu:2142/19323","repository":{"repo_id":"uiuc","name":"University of Illinois - Urbana-Champaign","base_url":"https://www.ideals.illinois.edu/oai-pmh"},"display":{"title":"Quinol oxidation by the ubiquinol:cytochrome c(2) oxidoreductase in the chromatophores from Rhodobacter sphaeroides","abstract":"The kinetics and thermodynamics of the high potential chain in the chromatophores from Rhodobacter sphaeroides have been reexamined. It was found that RC, cyt c$\\sb2$ and c$\\sb1$ after a flash reached a state not far from the expected ideal equilibrium under the conditions of our experiments.","abstract_html":"The kinetics and thermodynamics of the high potential chain in the chromatophores from Rhodobacter sphaeroides have been reexamined. It was found that RC, cyt c$\\sb2$ and c$\\sb1$ after a flash reached a state not far from the expected ideal equilibrium under the conditions of our experiments.","abstract_has_math":true,"creators":["Wang, Zhenggan"],"institution":"University of Illinois at Urbana-Champaign","degree_name":"Ph.D.","degree_level":"Dissertation","degree_discipline":"Biophysics","degree_department":null,"school":null,"contributors":["Crofts, Antony R."],"advisors":[],"committee_chairs":[],"committee_members":[],"year":2011,"date_issued":"2011-05-07T12:03:54Z","date_published":"2011-05-07T12:03:54Z","updated_at":"2026-07-22T22:25:12Z","subjects":["Biophysics, General"],"languages":["eng"],"rights":["Copyright 1990 Wang, Zhenggan"],"rights_urls":[],"identifier_entries":[{"key":"dc:identifier","label":"Identifier","values":["AAI9026347","(UMI)AAI9026347"],"render_values":[{"text":"AAI9026347","href":null,"code":true},{"text":"(UMI)AAI9026347","href":null,"code":true}]}]},"links":{"outbound_url":"http://hdl.handle.net/2142/19323","outbound_label":"Handle","outbound_source":"dc:identifier"},"metadata_groups":[{"id":"people","label":"People","entries":[{"key":"dc:contributor","label":"Contributor","values":["Crofts, Antony R."]},{"key":"dc:creator","label":"Author","values":["Wang, Zhenggan"]}]},{"id":"academic_context","label":"Academic Context","entries":[{"key":"dc:date","label":"Dc Date","values":["2011-05-07T12:03:54Z","10000-01-01","1990"]},{"key":"dc:type","label":"Dc Type","values":["text"]},{"key":"thesis:degree_discipline","label":"Discipline","values":["Biophysics"]},{"key":"thesis:degree_level","label":"Degree Level","values":["Dissertation"]},{"key":"thesis:degree_name","label":"Degree Name","values":["Ph.D."]},{"key":"thesis:institution_name","label":"Thesis Institution Name","values":["University of Illinois at Urbana-Champaign"]}]},{"id":"subjects_keywords","label":"Subjects and Keywords","entries":[{"key":"dc:subject","label":"Dc Subject","values":["Biophysics, General"]}]},{"id":"language_rights","label":"Language and Rights","entries":[{"key":"dc:language","label":"Dc Language","values":["eng"]},{"key":"dc:rights","label":"Dc Rights","values":["Copyright 1990 Wang, Zhenggan"]}]},{"id":"identifiers","label":"Identifiers","entries":[{"key":"dc:identifier","label":"Identifier","values":["AAI9026347","(UMI)AAI9026347","http://hdl.handle.net/2142/19323"]}]},{"id":"additional","label":"Additional Metadata","entries":[{"key":"dc:description","label":"Description","values":["The kinetics and thermodynamics of the high potential chain in the chromatophores from Rhodobacter sphaeroides have been reexamined. It was found that RC, cyt c$\\sb2$ and c$\\sb1$ after a flash reached a state not far from the expected ideal equilibrium under the conditions of our experiments.","An extinction coefficient for cyt b$\\sb{\\rm H}$ was computed from comparison of oxidation kinetics of c cytochromes in the presence of antimycin and UHDBT. The effects of myxothiazol on the cyt c oxidation have also been discussed.","Our observations of the temperature dependence of cyt b reduction suggested that quinone diffusion was more rapid than turnover of the bc$\\sb1$ complex, and that the chemical step of quinol oxidation was the rate-limiting step in the photosynthetic electron transport of chromatophore system.","Oxidation kinetic of quinol by bc$\\sb1$ complex in chromatophores was simulated. A set of kinetic parameters were obtained from optimization, and compared with experimental results. A minimal model of quinol oxidation was proposed, and discussed under the context of the Q-cycle mechanism.","Made available in DSpace on 2011-05-07T12:03:54Z (GMT). No. of bitstreams: 2 license.txt: 4922 bytes, checksum: 910b249b4beec47e7ab768910c8f966f (MD5) 9026347.pdf: 5107740 bytes, checksum: 9b8555e980c9de07dfcf0a88a5fd8290 (MD5) Previous issue date: 1990","Item marked as restricted to the 'UIUC Users [automated]' Group (id=2) by Howard Ding (hding2@illinois.edu) on 2011-05-07T14:36:10Z Item is restricted indefinitely.","Restriction data tranferred 2014-07-01T11:14:31-05:00 Original Data Group with Access UIUC Users [automated] Release Date: none Reason: ETDs are only available to UIUC Users without author permission","ETDs are only available to UIUC Users without author permission","U of I Only"]},{"key":"dc:title","label":"Title","values":["Quinol oxidation by the ubiquinol:cytochrome c(2) oxidoreductase in the chromatophores from Rhodobacter sphaeroides"]}]}],"canonical_facts":{"dc:contributor":["Crofts, Antony R."],"dc:creator":["Wang, Zhenggan"],"dc:date":["2011-05-07T12:03:54Z","10000-01-01","1990"],"dc:description":["The kinetics and thermodynamics of the high potential chain in the chromatophores from Rhodobacter sphaeroides have been reexamined. It was found that RC, cyt c$\\sb2$ and c$\\sb1$ after a flash reached a state not far from the expected ideal equilibrium under the conditions of our experiments.","An extinction coefficient for cyt b$\\sb{\\rm H}$ was computed from comparison of oxidation kinetics of c cytochromes in the presence of antimycin and UHDBT. The effects of myxothiazol on the cyt c oxidation have also been discussed.","Our observations of the temperature dependence of cyt b reduction suggested that quinone diffusion was more rapid than turnover of the bc$\\sb1$ complex, and that the chemical step of quinol oxidation was the rate-limiting step in the photosynthetic electron transport of chromatophore system.","Oxidation kinetic of quinol by bc$\\sb1$ complex in chromatophores was simulated. A set of kinetic parameters were obtained from optimization, and compared with experimental results. A minimal model of quinol oxidation was proposed, and discussed under the context of the Q-cycle mechanism.","Made available in DSpace on 2011-05-07T12:03:54Z (GMT). No. of bitstreams: 2 license.txt: 4922 bytes, checksum: 910b249b4beec47e7ab768910c8f966f (MD5) 9026347.pdf: 5107740 bytes, checksum: 9b8555e980c9de07dfcf0a88a5fd8290 (MD5) Previous issue date: 1990","Item marked as restricted to the 'UIUC Users [automated]' Group (id=2) by Howard Ding (hding2@illinois.edu) on 2011-05-07T14:36:10Z Item is restricted indefinitely.","Restriction data tranferred 2014-07-01T11:14:31-05:00 Original Data Group with Access UIUC Users [automated] Release Date: none Reason: ETDs are only available to UIUC Users without author permission","ETDs are only available to UIUC Users without author permission","U of I Only"],"dc:identifier":["AAI9026347","(UMI)AAI9026347","http://hdl.handle.net/2142/19323"],"dc:language":["eng"],"dc:rights":["Copyright 1990 Wang, Zhenggan"],"dc:subject":["Biophysics, General"],"dc:title":["Quinol oxidation by the ubiquinol:cytochrome c(2) oxidoreductase in the chromatophores from Rhodobacter sphaeroides"],"dc:type":["text"],"thesis:degree_discipline":["Biophysics"],"thesis:degree_level":["Dissertation"],"thesis:degree_name":["Ph.D."],"thesis:institution_name":["University of Illinois at Urbana-Champaign"]},"updated_at":"2026-07-22T22:25:12Z"}