Properties of Arg481 mutants of the aa3-type cytochrome c oxidase from Rhodobacter sphaeroides suggest that neither R481 nor the nearby D-propionate of heme a3 is likely to be the proton loading site of the proton pump

Biochemistry

Volumn 48, Issue 30, 2009, Pages 7123-7131

  Hyun, Ju Lee ^a   Ojemyr, Linda ^b   Vakkasoglu, Ahmet ^a   Brzezinski, Peter ^b   Gennis, Robert B ^a  

^a UNIVERSITY OF ILLINOIS AT URBANA CHAMPAIGN   (United States)

^b STOCKHOLM UNIVERSITY   (Sweden)

Author keywords

[No Author keywords available]

Indexed keywords

CYTOCHROME C OXIDASE; D-CHANNEL; ELECTRON TRANSFER; ENZYME ACTIVE SITES; ION PAIRS; PERIPLASM; PROTON LOADING; PROTON PUMP; PROTON-MOTIVE FORCES; REDUCTION OF OXYGEN; RHODOBACTER SPHAEROIDES; WATER MOLECULE; WILD TYPES; X-RAY STRUCTURE;

AMINO ACIDS; ENZYMES; HEMOGLOBIN; HYDROGEN; HYDROGEN BONDS; OXYGEN; PORPHYRINS; PROTON TRANSFER; PUMPS; STOICHIOMETRY;

PROTONS;

ARGININE; CYTOCHROME C OXIDASE; FRIEDELIN; HEME; HEME ALPHA3; OXYGEN; PROTON; PROTON PUMP; UNCLASSIFIED DRUG;

ARTICLE; BACTERIUM MUTANT; ELECTRON TRANSPORT; ENZYME ACTIVE SITE; HYDROGEN BOND; NONHUMAN; PRIORITY JOURNAL; PROTON MOTIVE FORCE; RHODOBACTER SPHAEROIDES; STOICHIOMETRY;

ARGININE; BACTERIAL PROTEINS; CATALYTIC DOMAIN; ELECTROCHEMISTRY; ELECTRON TRANSPORT COMPLEX IV; HEME; MUTAGENESIS, SITE-DIRECTED; OXIDATION-REDUCTION; PROPIONIC ACIDS; PROTON PUMPS; RHODOBACTER SPHAEROIDES; SPECTROSCOPY, FOURIER TRANSFORM INFRARED;

BACTERIA (MICROORGANISMS); RHODOBACTER SPHAEROIDES;

EID: 68049115408     PISSN: 00062960     EISSN: None     Source Type: Journal    
DOI: 10.1021/bi901015d     Document Type: Article

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