Search Results - "Walters, Karim A"
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Tetratricopeptide repeat protein protects photosystem I from oxidative disruption during assembly
Published in Proceedings of the National Academy of Sciences - PNAS (08-03-2016)“…A Chlamydomonas reinhardtii mutant lacking CGL71, a thylakoid membrane protein previously shown to be involved in photosystem I (PSI) accumulation, exhibited…”
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Identification and characterization of the low molecular mass ferredoxins involved in central metabolism in Heliomicrobium modesticaldum
Published in Photosynthesis research (02-02-2024)“…The homodimeric Type I reaction center (RC) from Heliomicrobium modesticaldum lacks the PsaC subunit found in Photosystem I and instead uses the…”
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3
Catalytic Activity of the Archetype from Group 4 of the FTR-like Ferredoxin:Thioredoxin Reductase Family Is Regulated by Unique S = 7/2 and S = 1/2 [4Fe–4S] Clusters
Published in Biochemistry (Easton) (31-05-2024)“…Thioredoxin reductases (TrxR) activate thioredoxins (Trx) that regulate the activity of diverse target proteins essential to prokaryotic and eukaryotic life…”
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4
Designing a modified clostridial 2[4Fe–4S] ferredoxin as a redox coupler to directly link photosystem I with a Pt nanoparticle
Published in Photosynthesis research (01-02-2020)“…A methodology previously developed in our laboratory utilized an aliphatic hydrocarbon terminated by thiol groups to tether two redox proteins, i.e., the…”
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Journal Article -
5
Structure and function of an unusual flavodoxin from the domain Archaea
Published in Proceedings of the National Academy of Sciences - PNAS (17-12-2019)“…Flavodoxins, electron transfer proteins essential for diverse metabolisms in microbes from the domain Bacteria, are extensively characterized. Remarkably,…”
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Expression, purification and characterization of an active C491G variant of ferredoxin sulfite reductase from Synechococcus elongatus PCC 7942
Published in Biochimica et biophysica acta. Bioenergetics (01-10-2018)“…Recently developed molecular wire technology takes advantage of [4Fe-4S] clusters that are ligated by at least one surface exposed Cys residue. Mutagenesis of…”
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Journal Article -
7
Toward a mechanistic and physiological understanding of a ferredoxin:disulfide reductase from the domains Archaea and Bacteria
Published in The Journal of biological chemistry (15-06-2018)“…Disulfide reductases reduce other proteins and are critically important for cellular redox signaling and homeostasis. Methanosarcina acetivorans is a…”
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Journal Article -
8
Designing a modified clostridial 2[4Fe–4S] ferredoxin as a redox coupler to directly link photosystem I with a Pt nanoparticle
Published in Photosynthesis research (23-10-2019)“…Not provided…”
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Journal Article -
9
Catalytic Activity of the Archetype from Group 4 of the FTR-like Ferredoxin:Thioredoxin Reductase Family Is Regulated by Unique S = 7/2 and S = 1/2 4Fe-4S Clusters
Published in Biochemistry (Easton) (18-06-2024)“…Thioredoxin reductases (TrxR) activate thioredoxins (Trx) that regulate the activity of diverse target proteins essential to prokaryotic and eukaryotic life…”
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Journal Article -
10
Structure and function of an unusual flavodoxin from the domain Archaea
Published in Proceedings of the National Academy of Sciences - PNAS (04-12-2019)“…Flavodoxins, electron transfer proteins essential for diverse metabolisms in microbes from the domainBacteria, are extensively characterized. Remarkably,…”
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Journal Article -
11
Toward a mechanistic and physiological understanding of a ferredoxin:disulfide reductase from the domains Archaea and Bacteria
Published in The Journal of biological chemistry (01-06-2018)“…Disulfide reductases reduce other proteins and are critically important for cellular redox signaling and homeostasis. Methanosarcina acetivorans is a…”
Get full text
Journal Article -
12
Photosystem I as a Light Induced Electron Pump for Direct Enzyme Catalysis
Published 01-01-2016“…Molecular wire technology developed in our lab utilizes an aliphatic or aromatic hydrocarbon terminated by thiols to tether the [4Fe-4S] cluster FB of…”
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Dissertation