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Ralph Krätzner

Researcher at University of Göttingen

Publications -  27
Citations -  1046

Ralph Krätzner is an academic researcher from University of Göttingen. The author has contributed to research in topics: Internal medicine & Transactivation. The author has an hindex of 15, co-authored 25 publications receiving 971 citations.

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The cystine knot of a squash-type protease inhibitor as a structural scaffold for Escherichia coli cell surface display of conformationally constrained peptides.

TL;DR: These results demonstrate that E.coli cell surface display of conformationally constrained peptides tethered to the EETI-II cystine knot scaffold has the potential to become an effective technique for the rapid isolation of small peptide molecules from combinatorial libraries that bind with high affinity to acceptor molecules.
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Sequence Requirements of the GPNG β-Turn of the Ecballium elaterium Trypsin Inhibitor II Explored by Combinatorial Library Screening

TL;DR: Substantial amounts of misfolded byproducts were obtained upon refolding of these variants corroborating the importance of the wild type EETI-II GPNG sequence to direct quantitative formation of the cystine knot architecture.
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Global genetic analyses reveal strong inter-ethnic variability in the loss of activity of the organic cation transporter OCT1

TL;DR: Comprehensive genetic analyses showed strong global variations in the frequency of loss of OCT1 activity with selection pressure for maintainingoct1 activity in East Asia and Oceania.