The role of an extra fragment of cytochrome b (residues 309-326) in the cytochrome bc1 complex from Rhodobacter sphaeroides

Biochemistry

Volumn 45, Issue 37, 2006, Pages 11122-11129

  Gong, Xing ^a   Yu, Linda ^a   Yu, Chang An ^a  

^a OKLAHOMA STATE UNIVERSITY   (United States)

Author keywords

[No Author keywords available]

Indexed keywords

BACTERIA; CONFORMATIONS; HYDROGEN BONDS; PARAMAGNETIC RESONANCE; SUBSTITUTION REACTIONS;

CYTOCHROMES; MUTANT COMPLEXES; RHODOBACTER SPHAEROIDES; SUPEROXIDE ANION;

BIOCHEMISTRY;

ALANINE; BACTERIAL PROTEIN; CYSTEINE; CYTOCHROME B; FERRIC ION; HELIX LOOP HELIX PROTEIN; IRON SULFUR PROTEIN; MEMBRANE PROTEIN; MUTANT PROTEIN; OXYGEN; PEPTIDE FRAGMENT; PHENYLALANINE; PROTEIN SUBUNIT; SERINE; SULFUR; SUPEROXIDE; THREONINE; TYROSINE; UBIQUINOL CYTOCHROME C REDUCTASE;

AMINO ACID SEQUENCE; AMINO ACID SUBSTITUTION; ARTICLE; BACTERIUM MUTANT; BINDING AFFINITY; CONFORMATIONAL TRANSITION; CONTROLLED STUDY; ELECTRON SPIN RESONANCE; ENZYME ACTIVITY; GENE DELETION; HYDROGEN BOND; INDUCED MUTATION; MITOCHONDRION; MUTATION RATE; NONHUMAN; PEPTIDE ANALYSIS; PRIORITY JOURNAL; PROTEIN BINDING; PROTEIN CONFORMATION; PROTEIN FUNCTION; PROTEIN PROTEIN INTERACTION; RHODOBACTER SPHAEROIDES;

AMINO ACID SEQUENCE; CYTOCHROMES B; ELECTRON TRANSPORT COMPLEX III; MODELS, MOLECULAR; MUTATION; OXIDATION-REDUCTION; PEPTIDE FRAGMENTS; PROTEIN CONFORMATION; REACTIVE OXYGEN SPECIES; RHODOBACTER SPHAEROIDES; TEMPERATURE;

BACTERIA (MICROORGANISMS); RHODOBACTER SPHAEROIDES;

EID: 33748786029     PISSN: 00062960     EISSN: None     Source Type: Journal    
DOI: 10.1021/bi061099a     Document Type: Article

References (29)

1. 1 complexes containing site-directed mutants of the Rieske iron-sulfur protein, Biochim. Biophys. Acta 1365, 125-134.
2. 1 complexes from phylogenetically diverse species by a single chromatographic procedure, Biochim. Biophys. Acta 891, 227-241.
3. Yang, X. H., and Trumpower, B. L. (1988) Protonmotive Q cycle pathway of electron transfer and energy transduction in the three-subunit ubiquinol-cytochrome c oxidoreductase complex of Paracoccus denitrificans, J. Biol. Chem. 263, 11962-11970.
4. 1 complex, J. Bioenerg. Biomembr. 31, 251-257.
5. 1: comparison with its mitochondrial and chloroplast counterparts, Photosynth. Res. 81, 251-275.
6. 1 complex is required for protein stability, Biochemistry 43, 1488-1495.
7. 1 complex from Rhodobacter sphaeroides, J. Biol. Chem. 279, 47363-47371.
8. Mitchell, P. (1976) Possible molecular mechanisms of the protonmotive function of cytochrome systems, J. Theor. Biol. 62, 327-367.
9. Turrens, J. F., Alexandre, A., and Lehninger, A. L. (1985) Ubisemiquinone is the electron donor for superoxide formation by complex III of heart mitochondria, Arch. Biochem. Biophys. 237, 408-414.
10. Nohl, H., and Jordan, W. (1986) The mitochondrial site of superoxide formation, Biochem. Biophys. Res. Commun. 138, 533-539.
11. Zhang, L., Yu, L., and Yu, C. A. (1998) Generation of superoxide anion by succinate-cytochrome c reductase from bovine heart mitochondria, J. Biol. Chem. 273, 33972-33976.
12. 1 complex, Biochemistry 41, 7866-7874.
13. 1 complex, Arch. Biochem. Biophys. 419, 198-206.
14. Yu, C. A., and Yu, L. (1982) Syntheses of biologically active ubiquinone derivatives, Biochemistry 21, 4096-4101.
15. Khosravi, M., Ryan, W., Webster, D. A., and Stark, B. C. (1990) Variation of oxygen requirement with plasmid size in recombinant Escherichia coli, Plasmid 23, 138-143.
16. 1 complex in quinone binding and interaction with subunit IV, J. Biol. Chem. 270, 28668-28675.
17. 1 complex, J. Biol. Chem. 273, 27953-27959.
18. Berden, J. A., and Slater, E. C. (1970) The reaction of antimycin with a cytochrome b preparation active in reconstitution of the respiratory chain, Biochim. Biophys. Acta 216, 237-249.
19. 1 from Rhodobacter sphaeroides R-26, Biochim. Biophys. Acta 852, 203-211.
20. 1 complex, J. Biol. Chem. 280, 9251-9257.
21. Redfearn, E. R. (1967) Isolation and determination of ubiquinone, Methods Enzymol. 10, 381-384.
22. Lowry, O. H., Rosebrough, N. J., Farr, A. L., and Randall, R. J. (1951) Protein measurement with the Folin phenol reagent, J. Biol. Chem. 193, 265-275.
23. Laemmli, U. K. (1970) Cleavage of structural proteins during the assembly of the head of bacteriophage T4, Nature 227, 680-685.
24. Dutton, P. L. (1978) Redox potentiometry: determination of midpoint potentials of oxidation-reduction components of biological electron-transfer systems, Methods Enzymol. 54, 411-435.
25. 1 complex: redox properties, inhibitor sensitivity and proton pumping, Biochim. Biophys. Acta 1058, 269-279.
26. 1 complex and in bacterial dioxygenases by circular dichroism spectroscopy and cyclic voltammetry, Biochemistry 35, 7546-7552.
27. 1 complex and in membranes, FEBS Lett. 440, 409-413.
28. 1 complex from Rhodobacter sphaeroides, Biochim. Biophys. Acta 1020, 176-186.
29. 2 oxidoreductase resistant to Qo site inhibitors: consequences for ubiquinone and ubiquinol affinity and catalysis, Biochemistry 29, 11249-11260.