Výsledky vyhledávání - "Valerie Orshonsky"

Structural characterization of a family of cytochromes c7 involved in Fe(III) respiration by Geobacter sulfurreducens

Autor: Yuri Y. Londer, X. Yang, N. E. C. Duke, P.R. Pokkuluri, Jill Erickson, Valerie Orshonsky, Marianne Schiffer, G. Johnson

Publikováno v: Biochimica et Biophysica Acta (BBA) - Bioenergetics. 1797(2):222-232

Periplasmic cytochromes c(7) are important in electron transfer pathway(s) in Fe(III) respiration by Geobacter sulfurreducens. The genome of G. sulfurreducens encodes a family of five 10-kDa, three-heme cytochromes c(7). The sequence identity between

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::7dbd2b615a5c64d199d7275c087bf224

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Heterologous expression of hexaheme fragments of a multidomain cytochrome from Geobacter sulfurreducens representing a novel class of cytochromes c

Autor: Jill Erickson, P. Raj Pokkuluri, Valerie Orshonsky, Marianne Schiffer, Yuri Y. Londer

Publikováno v: Protein Expression and Purification. 39:254-260

Multiheme cytochromes c are of great interest for researchers for a variety of reasons but difficult to obtain in quantities sufficient for the majority of studies. The genome of delta-proteobacterium Geobacter sulfurreducens contains more than a hun

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::9fed3847809670843c7420d0bc073157
https://doi.org/10.1016/j.pep.2004.10.015

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Structure of a novel dodecaheme cytochrome c from Geobacter sulfurreducens reveals an extended 12 nm protein with interacting hemes

Autor: Carlos A. Salgueiro, Jill Erickson, X. Yang, Valerie Orshonsky, L. Orshonsky, Miguel Pessanha, Y. Zagyanskiy, Marianne Schiffer, Yuri Y. Londer, P.R. Pokkuluri, N. E. C. Duke

Publikováno v: Journal of structural biology. 174(1)

Multiheme cytochromes c are important in electron transfer pathways in reduction of both soluble and insoluble Fe(III) by Geobacter sulfurreducens. We determined the crystal structure at 3.2A resolution of the first dodecaheme cytochrome c (GSU1996)

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::b5052beafb9ea5adc5519796ce6dd7c7
https://pubmed.ncbi.nlm.nih.gov/21130881

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Structural insights into the modulation of the redox properties of two Geobacter sulfurreducens homologous triheme cytochromes

Autor: Valerie Orshonsky, Marianne Schiffer, Carlos A. Salgueiro, N. E. C. Duke, Yuri Y. Londer, X. Yang, P. Raj Pokkuluri, Marta Bruix, Leonor Morgado

Publikováno v: Digital.CSIC. Repositorio Institucional del CSIC
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The redox properties of a periplasmic triheme cytochrome, PpcB from Geobacter sulfurreducens, were studied by NMR and visible spectroscopy. The structure of PpcB was determined by X-ray diffraction. PpcB is homologous to PpcA (77% sequence identity),

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::41cf6c4d1a2c7e26475e56f2e7044f87
https://pubmed.ncbi.nlm.nih.gov/18534185

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Heterologous expression of dodecaheme 'nanowire' cytochromes c from Geobacter sulfurreducens

Autor: Marianne Schiffer, Lisa Orshonsky, Yuri Y. Londer, P. Raj Pokkuluri, Valerie Orshonsky

Publikováno v: Protein expression and purification. 47(1)

Multiheme cytochromes c are difficult to produce in heterologous systems. The genome of δ-proteobacterium Geobacter sulfurreducens contains more than a hundred genes coding for c -type cytochromes. Among those are two dodecaheme cytochromes c repres

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::20cb7c0cac2c27a5a437b70f447cf737
https://pubmed.ncbi.nlm.nih.gov/16403647

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