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Lysine, Arginine, and Histidine Residues in Peptide-Catalyzed Hydrogen Evolution at Mercury Electrodes
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SYSNO ASEP 0446306 Document Type J - Journal Article R&D Document Type Journal Article Subsidiary J Článek ve WOS Title Lysine, Arginine, and Histidine Residues in Peptide-Catalyzed Hydrogen Evolution at Mercury Electrodes Author(s) Dorčák, Vlastimil (BFU-R) RID, ORCID
Vargová, Veronika (BFU-R)
Ostatná, Veronika (BFU-R) RID, ORCID
Paleček, Emil (BFU-R) RID, ORCIDNumber of authors 4 Source Title Electroanalysis. - : Wiley - ISSN 1040-0397
Roč. 27, č. 4 (2015), s. 910-916Number of pages 7 s. Publication form Print - P Language eng - English Country DE - Germany Keywords AMALGAM ELECTRODES ; STRIPPING CHRONOPOTENTIOMETRY ; CARBON ELECTRODES Subject RIV BO - Biophysics R&D Projects GA15-15479S GA ČR - Czech Science Foundation (CSF) GA13-00956S GA ČR - Czech Science Foundation (CSF) Institutional support BFU-R - RVO:68081707 UT WOS 000354198400009 DOI 10.1002/elan.201400644 Annotation Involvement of hexapeptides composed of lysine (Lys(6)), arginine (Arg(6)) or histidine (His(6)) in the catalytic hydrogen evolution reaction (CHER) was studied. Using McIlvaine buffer, we changed the concentration of citric acid (proton donor in the CHER) either (a) by changing the buffer concentration at constant pH or (b) by changing the pH at constant buffer concentration. These two approaches showed almost the same catalytic behavior of Lys(6) and Arg(6) but strikingly different ones in the case of His(6). The results suggested that at neutral pH His residue is much weaker catalyzer than those of Lys or Arg. Workplace Institute of Biophysics Contact Jana Poláková, polakova@ibp.cz, Tel.: 541 517 244 Year of Publishing 2016
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