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Literature DB >> 17673297

Probing the cytochrome c' folding landscape.

Ekaterina V Pletneva¹, Ziqing Zhao, Tetsunari Kimura, Krastina V Petrova, Harry B Gray, Jay R Winkler.

Abstract

The folding kinetics of R. palustris cytochrome c' (cyt c') have been monitored by heme absorption and native Trp72 fluorescence at pH 5. The Trp72 fluorescence burst signal suggests early compaction of the polypeptide ensemble. Analysis of heme transient absorption spectra reveals deviations from two-state behavior, including a prominent slow phase that is accelerated by the prolyl isomerase cyclophilin. A nonnative proline configuration (Pro21) likely interferes with the formation of the helical bundle surrounding the heme.

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Year: 2007 PMID： 17673297 PMCID： PMC2110879 DOI： 10.1016/j.jinorgbio.2007.06.019

Source DB: PubMed Journal: J Inorg Biochem ISSN： 0162-0134 Impact factor: 4.155

33 in total

1. The formation of a native-like structure containing eight conserved hydrophobic residues is rate limiting in two-state protein folding of ACBP.

Authors: B B Kragelund; P Osmark; T B Neergaard; J Schiødt; K Kristiansen; J Knudsen; F M Poulsen
Journal: Nat Struct Biol Date: 1999-06

2. Denatured state thermodynamics: residual structure, chain stiffness and scaling factors.

Authors: B N Hammack; C R Smith; B E Bowler
Journal: J Mol Biol Date: 2001-08-31 Impact factor: 5.469

Review 3. Single-molecule folding.

Authors: Xiaowei Zhuang; Matthias Rief
Journal: Curr Opin Struct Biol Date: 2003-02 Impact factor: 6.809

4. Kinetic mechanism and catalysis of a native-state prolyl isomerization reaction.

Authors: Günter Pappenberger; Annett Bachmann; Rita Müller; Hüseyin Aygün; Joachim W Engels; Thomas Kiefhaber
Journal: J Mol Biol Date: 2003-02-07 Impact factor: 5.469

5. Cytochrome c' folding triggered by electron transfer: fast and slow formation of four-helix bundles.

Authors: J C Lee; H B Gray; J R Winkler
Journal: Proc Natl Acad Sci U S A Date: 2001-07-03 Impact factor: 11.205

6. Structural features of cytochrome c' folding intermediates revealed by fluorescence energy-transfer kinetics.

Authors: Jennifer C Lee; K Cecilia Engman; F Akif Tezcan; Harry B Gray; Jay R Winkler
Journal: Proc Natl Acad Sci U S A Date: 2002-10-29 Impact factor: 11.205

7. Cytochrome b562 folding triggered by electron transfer: approaching the speed limit for formation of a four-helix-bundle protein.

Authors: P Wittung-Stafshede; J C Lee; J R Winkler; H B Gray
Journal: Proc Natl Acad Sci U S A Date: 1999-06-08 Impact factor: 11.205

8. Parallel channels and rate-limiting steps in complex protein folding reactions: prolyl isomerization and the alpha subunit of Trp synthase, a TIM barrel protein.

Authors: Ying Wu; C Robert Matthews
Journal: J Mol Biol Date: 2002-10-18 Impact factor: 5.469

9. A specific intermolecular association between the regulatory domains of a Tec family kinase.

Authors: K N Brazin; D B Fulton; A H Andreotti
Journal: J Mol Biol Date: 2000-09-22 Impact factor: 5.469

10. Cloning, heterologous expression, and characterization of recombinant class II cytochromes c from Rhodopseudomonas palustris.

Authors: Michele A McGuirl; Jennifer C Lee; Julia G Lyubovitsky; Chalita Thanyakoop; John H Richards; Harry B Gray; Jay R Winkler
Journal: Biochim Biophys Acta Date: 2003-01-02

4 in total

4. Thermodynamics of loop formation in the denatured state of rhodopseudomonas palustris cytochrome c': scaling exponents and the reconciliation problem.

Authors: K Sudhindra Rao; Franco O Tzul; Arwen K Christian; Tia N Gordon; Bruce E Bowler
Journal: J Mol Biol Date: 2009-08-06 Impact factor: 5.469