{"id":"https://openalex.org/W2064576560","doi":"https://doi.org/10.1073/pnas.82.7.2039","title":"1H NMR studies of electron exchange rate of Pseudomonas aeruginosa azurin.","display_name":"1H NMR studies of electron exchange rate of Pseudomonas aeruginosa azurin.","publication_year":1985,"publication_date":"1985-04-01","ids":{"openalex":"https://openalex.org/W2064576560","doi":"https://doi.org/10.1073/pnas.82.7.2039","mag":"2064576560","pmid":"https://pubmed.ncbi.nlm.nih.gov/2984677","pmcid":"https://www.ncbi.nlm.nih.gov/pmc/articles/397487"},"language":"en","primary_location":{"id":"doi:10.1073/pnas.82.7.2039","doi":"https://doi.org/10.1073/pnas.82.7.2039","is_oa":false,"landing_page_url":"https://doi.org/10.1073/pnas.82.7.2039","pdf_url":null,"source":{"id":"https://openalex.org/S125754415","display_name":"Proceedings of the National Academy of Sciences","issn_l":"0027-8424","issn":["0027-8424","1091-6490"],"is_oa":false,"is_in_doaj":false,"is_core":true,"listed_in":["anvur-class-a","anvur-scientific","cwts-core","dongbi-a","doyens","erih-plus","jufo-3","ki-jl-3","medline","norway-2","poland-200","russia-white-list-1","vabb-shw"],"host_organization":"https://openalex.org/P4310320052","host_organization_name":"National Academy of Sciences","host_organization_lineage":["https://openalex.org/P4310320052"],"host_organization_lineage_names":["National Academy of Sciences"],"type":"journal"},"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"Proceedings of the National Academy of Sciences","raw_type":"journal-article"},"volume":null,"type":"article","indexed_in":["crossref","pubmed"],"open_access":{"is_oa":true,"oa_status":"green","oa_url":"https://www.ncbi.nlm.nih.gov/pmc/articles/397487","any_repository_has_fulltext":true},"authorships":[{"author_position":"first","author":{"id":"https://openalex.org/A5054800712","display_name":"K\u01cemil U\u01e7urbil","orcid":"https://orcid.org/0000-0002-8475-9334","observed_orcids":["https://orcid.org/0000-0002-8475-9334"]},"institutions":[],"countries":[],"is_corresponding":false,"raw_author_name":"K U\u011furbil","raw_affiliation_strings":["Center for Magnetic Resonance Research"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Center for Magnetic Resonance Research","institution_ids":[]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5069122244","display_name":"Sekhar Mitra","orcid":null,"observed_orcids":[]},"institutions":[{"id":"https://openalex.org/I130238516","display_name":"University of Minnesota","ror":"https://ror.org/017zqws13","country_code":"US","type":"education","lineage":["https://openalex.org/I130238516"]}],"countries":["US"],"is_corresponding":false,"raw_author_name":"S Mitra","raw_affiliation_strings":["University of Minnesota Twin Cities"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"University of Minnesota Twin Cities","institution_ids":["https://openalex.org/I130238516"]}]}],"institutions":[],"countries_distinct_count":1,"institutions_distinct_count":1,"corresponding_author_ids":[],"corresponding_institution_ids":[],"apc_list":null,"apc_paid":null,"fwci":1.8564,"has_fulltext":false,"cited_by_count":18,"citation_normalized_percentile":{"value":0.84563585,"is_in_top_1_percent":false,"is_in_top_10_percent":false},"cited_by_percentile_year":{"min":89,"max":96},"biblio":{"volume":"82","issue":"7","first_page":"2039","last_page":"2043"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T11626","display_name":"Metalloenzymes and iron-sulfur proteins","score":0.5009999871253967,"subfield":{"id":"https://openalex.org/subfields/2105","display_name":"Renewable Energy, Sustainability and the Environment"},"field":{"id":"https://openalex.org/fields/21","display_name":"Energy"},"domain":{"id":"https://openalex.org/domains/3","display_name":"Physical Sciences"}},"topics":[{"id":"https://openalex.org/T11626","display_name":"Metalloenzymes and iron-sulfur proteins","score":0.5009999871253967,"subfield":{"id":"https://openalex.org/subfields/2105","display_name":"Renewable Energy, Sustainability and the Environment"},"field":{"id":"https://openalex.org/fields/21","display_name":"Energy"},"domain":{"id":"https://openalex.org/domains/3","display_name":"Physical Sciences"}},{"id":"https://openalex.org/T11747","display_name":"Metal-Catalyzed Oxygenation Mechanisms","score":0.21729999780654907,"subfield":{"id":"https://openalex.org/subfields/1604","display_name":"Inorganic Chemistry"},"field":{"id":"https://openalex.org/fields/16","display_name":"Chemistry"},"domain":{"id":"https://openalex.org/domains/3","display_name":"Physical Sciences"}},{"id":"https://openalex.org/T11809","display_name":"Advanced NMR Techniques and Applications","score":0.1200999990105629,"subfield":{"id":"https://openalex.org/subfields/1607","display_name":"Spectroscopy"},"field":{"id":"https://openalex.org/fields/16","display_name":"Chemistry"},"domain":{"id":"https://openalex.org/domains/3","display_name":"Physical Sciences"}}],"keywords":[{"id":"https://openalex.org/keywords/azurin","display_name":"azurin","score":0.8759999871253967},{"id":"https://openalex.org/keywords/pseudomonas-aeruginosa","display_name":"Pseudomonas aeruginosa","score":0.9829999804496765},{"id":"https://openalex.org/keywords/electron-self-exchange","display_name":"electron self-exchange","score":0.8970000147819519},{"id":"https://openalex.org/keywords/spin-relaxation","display_name":"spin relaxation","score":0.6380000114440918},{"id":"https://openalex.org/keywords/t1-relaxation","display_name":"T1 relaxation","score":0.7860000133514404},{"id":"https://openalex.org/keywords/ph-dependence","display_name":"pH dependence","score":0.7950000166893005},{"id":"https://openalex.org/keywords/reduced-protein","display_name":"reduced protein","score":0.4259999990463257},{"id":"https://openalex.org/keywords/oxidized-proteins","display_name":"oxidized proteins","score":0.7549999952316284},{"id":"https://openalex.org/keywords/1h-nmr-spectroscopy","display_name":"1H NMR","score":0.7730000019073486}],"concepts":[{"id":"https://openalex.org/C2778574204","wikidata":"https://www.wikidata.org/wiki/Q17518848","display_name":"Azurin","level":3,"score":0.9953395128250122},{"id":"https://openalex.org/C2780874372","wikidata":"https://www.wikidata.org/wiki/Q328692","display_name":"Imidazole","level":2,"score":0.7541892528533936},{"id":"https://openalex.org/C185592680","wikidata":"https://www.wikidata.org/wiki/Q2329","display_name":"Chemistry","level":0,"score":0.7198096513748169},{"id":"https://openalex.org/C187961010","wikidata":"https://www.wikidata.org/wiki/Q260463","display_name":"Electron paramagnetic resonance","level":2,"score":0.6820244789123535},{"id":"https://openalex.org/C54516573","wikidata":"https://www.wikidata.org/wiki/Q2294","display_name":"Proton","level":2,"score":0.5063134431838989},{"id":"https://openalex.org/C8010536","wikidata":"https://www.wikidata.org/wiki/Q160398","display_name":"Crystallography","level":1,"score":0.5023143291473389},{"id":"https://openalex.org/C93391505","wikidata":"https://www.wikidata.org/wiki/Q658700","display_name":"Reaction rate constant","level":3,"score":0.46024981141090393},{"id":"https://openalex.org/C113196181","wikidata":"https://www.wikidata.org/wiki/Q485223","display_name":"Analytical Chemistry (journal)","level":2,"score":0.37258726358413696},{"id":"https://openalex.org/C123669783","wikidata":"https://www.wikidata.org/wiki/Q902898","display_name":"Electron transfer","level":2,"score":0.33347630500793457},{"id":"https://openalex.org/C46141821","wikidata":"https://www.wikidata.org/wiki/Q209402","display_name":"Nuclear magnetic resonance","level":1,"score":0.291594922542572},{"id":"https://openalex.org/C71240020","wikidata":"https://www.wikidata.org/wiki/Q186011","display_name":"Stereochemistry","level":1,"score":0.2580547332763672},{"id":"https://openalex.org/C147789679","wikidata":"https://www.wikidata.org/wiki/Q11372","display_name":"Physical chemistry","level":1,"score":0.25580674409866333},{"id":"https://openalex.org/C148898269","wikidata":"https://www.wikidata.org/wiki/Q1108792","display_name":"Kinetics","level":2,"score":0.21232721209526062},{"id":"https://openalex.org/C178790620","wikidata":"https://www.wikidata.org/wiki/Q11351","display_name":"Organic chemistry","level":1,"score":0.07677173614501953},{"id":"https://openalex.org/C121332964","wikidata":"https://www.wikidata.org/wiki/Q413","display_name":"Physics","level":0,"score":0.05513957142829895},{"id":"https://openalex.org/C62520636","wikidata":"https://www.wikidata.org/wiki/Q944","display_name":"Quantum mechanics","level":1,"score":0.0}],"mesh":[{"descriptor_ui":"D001400","descriptor_name":"Azurin","qualifier_ui":"Q000378","qualifier_name":"metabolism","is_major_topic":true},{"descriptor_ui":"D001426","descriptor_name":"Bacterial Proteins","qualifier_ui":"Q000378","qualifier_name":"metabolism","is_major_topic":true},{"descriptor_ui":"D003574","descriptor_name":"Cytochrome c Group","qualifier_ui":"Q000378","qualifier_name":"metabolism","is_major_topic":false},{"descriptor_ui":"D004579","descriptor_name":"Electron Transport","qualifier_ui":null,"qualifier_name":null,"is_major_topic":false},{"descriptor_ui":"D006863","descriptor_name":"Hydrogen-Ion Concentration","qualifier_ui":null,"qualifier_name":null,"is_major_topic":false},{"descriptor_ui":"D007700","descriptor_name":"Kinetics","qualifier_ui":null,"qualifier_name":null,"is_major_topic":false},{"descriptor_ui":"D009682","descriptor_name":"Magnetic Resonance Spectroscopy","qualifier_ui":null,"qualifier_name":null,"is_major_topic":false},{"descriptor_ui":"D011550","descriptor_name":"Pseudomonas aeruginosa","qualifier_ui":"Q000378","qualifier_name":"metabolism","is_major_topic":true}],"locations_count":3,"locations":[{"id":"doi:10.1073/pnas.82.7.2039","doi":"https://doi.org/10.1073/pnas.82.7.2039","is_oa":false,"landing_page_url":"https://doi.org/10.1073/pnas.82.7.2039","pdf_url":null,"source":{"id":"https://openalex.org/S125754415","display_name":"Proceedings of the National Academy of Sciences","issn_l":"0027-8424","issn":["0027-8424","1091-6490"],"is_oa":false,"is_in_doaj":false,"is_core":true,"listed_in":["anvur-class-a","anvur-scientific","cwts-core","dongbi-a","doyens","erih-plus","jufo-3","ki-jl-3","medline","norway-2","poland-200","russia-white-list-1","vabb-shw"],"host_organization":"https://openalex.org/P4310320052","host_organization_name":"National Academy of Sciences","host_organization_lineage":["https://openalex.org/P4310320052"],"host_organization_lineage_names":["National Academy of Sciences"],"type":"journal"},"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"Proceedings of the National Academy of Sciences","raw_type":"journal-article"},{"id":"pmh:oai:pubmedcentral.nih.gov:397487","doi":null,"is_oa":true,"landing_page_url":"https://www.ncbi.nlm.nih.gov/pmc/articles/397487","pdf_url":null,"source":{"id":"https://openalex.org/S2764455111","display_name":"PubMed Central","issn_l":null,"issn":null,"is_oa":true,"is_in_doaj":false,"is_core":false,"listed_in":[],"host_organization":"https://openalex.org/I1299303238","host_organization_name":"National Institutes of Health","host_organization_lineage":["https://openalex.org/I1299303238"],"host_organization_lineage_names":[],"type":"repository"},"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"Proc Natl Acad Sci U S A","raw_type":"Text"},{"id":"pmid:2984677","doi":null,"is_oa":false,"landing_page_url":"https://pubmed.ncbi.nlm.nih.gov/2984677","pdf_url":null,"source":{"id":"https://openalex.org/S4306525036","display_name":"PubMed","issn_l":null,"issn":null,"is_oa":false,"is_in_doaj":false,"is_core":false,"listed_in":[],"host_organization":"https://openalex.org/I1299303238","host_organization_name":"National Institutes of Health","host_organization_lineage":["https://openalex.org/I1299303238"],"host_organization_lineage_names":[],"type":"repository"},"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"Proceedings of the National Academy of Sciences of the United States of America","raw_type":"Journal Article"}],"best_oa_location":{"id":"pmh:oai:pubmedcentral.nih.gov:397487","doi":null,"is_oa":true,"landing_page_url":"https://www.ncbi.nlm.nih.gov/pmc/articles/397487","pdf_url":null,"source":{"id":"https://openalex.org/S2764455111","display_name":"PubMed Central","issn_l":null,"issn":null,"is_oa":true,"is_in_doaj":false,"is_core":false,"listed_in":[],"host_organization":"https://openalex.org/I1299303238","host_organization_name":"National Institutes of Health","host_organization_lineage":["https://openalex.org/I1299303238"],"host_organization_lineage_names":[],"type":"repository"},"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"Proc Natl Acad Sci U S A","raw_type":"Text"},"sustainable_development_goals":[],"study_designs":[],"awards":[{"id":"https://openalex.org/G3217770029","display_name":null,"funder_award_id":"HL 01241","funder_id":"https://openalex.org/F4320337338","funder_display_name":"National Heart, Lung, and Blood Institute"}],"funders":[{"id":"https://openalex.org/F4320332161","display_name":"National Institutes of Health","ror":"https://ror.org/01cwqze88"},{"id":"https://openalex.org/F4320337338","display_name":"National Heart, Lung, and Blood Institute","ror":"https://ror.org/012pb6c26"}],"has_content":{"pdf":false,"grobid_xml":false},"content_urls":null,"referenced_works_count":20,"referenced_works":["https://openalex.org/W1607877467","https://openalex.org/W1977806662","https://openalex.org/W1983750033","https://openalex.org/W1985591464","https://openalex.org/W1987214987","https://openalex.org/W1988390204","https://openalex.org/W1995628981","https://openalex.org/W1996622162","https://openalex.org/W2008223491","https://openalex.org/W2012977658","https://openalex.org/W2015280678","https://openalex.org/W2033113874","https://openalex.org/W2033745100","https://openalex.org/W2035600562","https://openalex.org/W2049350694","https://openalex.org/W2050896858","https://openalex.org/W2051443387","https://openalex.org/W2068401171","https://openalex.org/W2399779022","https://openalex.org/W2469517386"],"related_works":["https://openalex.org/W1540571608","https://openalex.org/W2068887432","https://openalex.org/W2951551517","https://openalex.org/W2060509337","https://openalex.org/W2089488664","https://openalex.org/W2147749139","https://openalex.org/W2009146714","https://openalex.org/W2050896858","https://openalex.org/W1996622162","https://openalex.org/W1983750033"],"abstract_inverted_index":{"T1":[0,65,83],"values":[1,21,66,117],"of":[2,8,29,33,39,50,61,67,77,129,170,193],"the":[3,27,55,59,64,75,78,82,85,126,136,158,167,174,179,182],"His-35":[4,40,130,175],"C-2":[5,37,127],"proton":[6,38,69,128],"resonance":[7],"reduced":[9,71,79],"Pseudomonas":[10],"aeruginosa":[11],"azurin":[12,48,72,91,171],"were":[13,163],"determined":[14,164],"at":[15,115,148],"25":[16],"degrees":[17],"C":[18],"and":[19,24,108,120,138,141,150],"pH":[20,116,124],"4.5,":[22,118],"7.3,":[23,119,125],"9.0":[25],"in":[26,46,70,132,178,191],"presence":[28,60],"different":[30],"fractional":[31],"amounts":[32],"oxidized":[34,47,62],"azurin.":[35],"The":[36],"undergoes":[41],"very":[42],"rapid":[43],"spin":[44],"relaxation":[45],"because":[49],"its":[51],"close":[52],"proximity":[53],"to":[54,94,144],"paramagnetic":[56],"copper.":[57],"In":[58],"protein,":[63],"this":[68],"depend":[73],"on":[74],"lifetime":[76],"protein.":[80],"From":[81],"data,":[84],"electron":[86,159],"self-exchange":[87,160,192],"rate":[88,161],"constant":[89],"for":[90,166,172],"was":[92],"calculated":[93],"be":[95],"1.4":[96],"X":[97,100,103,106,110,113],"10(4)":[98],"M-1":[99,105,112],"s-1,":[101,107],"4.3":[102],"10(3)":[104,111],"6.0":[109],"s-1":[114],"9,":[121],"respectively.":[122],"At":[123],"is":[131,177],"slow":[133],"exchange":[134],"between":[135],"imidazole":[137,180],"imidazolium":[139,183],"forms":[140],"gives":[142],"rise":[143],"two":[145,156,168],"separate":[146],"resonances":[147],"9.39":[149],"8.00":[151],"ppm.":[152],"By":[153],"using":[154],"these":[155],"resonances,":[157],"constants":[162],"separately":[165],"species":[169,189],"which":[173],"residue":[176],"or":[181],"forms;":[184],"results":[185],"showed":[186],"that":[187],"both":[188],"participate":[190],"electrons":[194],"with":[195],"equal":[196],"efficiency.":[197]},"counts_by_year":[{"year":2022,"cited_by_count":1},{"year":2019,"cited_by_count":1},{"year":2018,"cited_by_count":2},{"year":2013,"cited_by_count":1}],"updated_date":"2026-10-31T12:09:11.096373","created_date":"2016-06-24T00:00:00"}