ArticleJournal of microbiology (Seoul, Korea)2011
Transcriptional and biochemical characterization of two Azotobacter vinelandii FKBP family members.
Article in Journal of microbiology (Seoul, Korea), 2011. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 2 papers.
What it found
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The abstract states no effect estimate the extractor could read, or names no intervention and outcome on the map, so this paper lights no cell and moves no belief. It is still indexed, cited and linked below.
The trial behind it
Trials whose registry record cites this paper, or whose number appears in the abstract. A trial that started after this paper was published is citing it as background, not reporting it.
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Who cites it
2 citing papers in PubMed, 2 citations in OpenAlex.
- Single-Domain Peptidyl-Prolyl cis/trans Isomerase FkpA from Corynebacterium glutamicum Improves the Biomass Yield at Increased Growth Temperatures.Applied and environmental microbiology · 2015Article
- Biochemical characterization of two Azotobacter vinelandii FKBPs and analysis of their interaction with the small subunit of carbamoyl phosphate synthetase.Molecular biology reports · 2012Article
Corrections and comments
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Authors and funding
4 authors at 1 institution in 1 country.
Funding
No grant is acknowledged in the PubMed record.
Abstract
Peptidyl-prolyl cis/trans isomerases (PPIases, EC: 5.2.1.8), a class of enzymes that catalyse the rate-limiting step of the cis/trans isomerization in protein folding, are divided into three structurally unrelated families: cyclophilins, FK506-binding proteins (FKBPs), and parvulins. Two recombinant FKBPs from the soil nitrogen-fixing bacterium Azotobacter vinelandii, designated as AvfkbX and AvfkbB, have been purified and their peptidyl-prolyl cis/trans isomerase activity against Suc-Ala-Xaa-Pro-Phe-pNA synthetic peptides characterised. The substrate specificity of both enzymes is typical for bacterial FKBPs, with Suc-Ala-Phe-Pro-Phe-pNA being the most rapidly catalysed substrate by AvfkbX and Suc-Ala-Leu-Pro-Phe-pNA by AvfkbB. Both FKBPs display chaperone activity as well in the citrate synthase thermal aggregation assay. Furthermore, using real-time RT-qPCR, we demonstrated that both genes were expressed during the exponential growth phase on glucose minimal medium, while their expression declined dramatically during the stationary growth phase as well as when the growth medium was supplied exogenously with ammonium.
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Registered trials
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