Reply to “Comment on ‘Arresting an Unusual Amide Tautomer Using Divalent Cations’”
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Divalent Cations
Inhibition by polyvalent cations is a defining characteristic of voltage-gated proton channels. The mechanism of this inhibition was studied in rat alveolar epithelial cells using tight-seal voltage clamp techniques. Metal concentrations were corrected for measured binding to buffers. Externally applied ZnCl 2 reduced the H 1 current, shifted the voltage-activation curve toward positive potenti...
متن کاملDivalent Cations
AB STRACT The effects of external Zn+2 and other divalent cations on K channels in squid giant axons were studied. At low concentration (2 mM) Zn+2 slows opening kinetics without affecting closing kinetics . Higher concentrations (5-40 mM) progressively slow opening and speed channel closing to a lesser degree. In terms of "shifts," opening kinetics are strongly shifted to the right on the volt...
متن کاملDivalent Cations and EDTA
The colicin A lysis protein, Cal, is synthesized at the same time as colicin A by Escherichiu coli harbouring plasmid pColA after induction by mitomycin C. Its function in the induced bacteria involves the release of colicin A, quasi-lysis, the death of the producing cells and the activation of the outer membrane phospholipase A. We have found that these various functions are affected different...
متن کاملEffect of Divalent Cations
brane uptake of IFB, were completely reversible. These findings are consistent with the concept that the formation of calcium salt bridges is essential for attachment of IFB,2 to the ileal-absorptive surface.
متن کاملThe Binding of Divalent Cations to Actin.
Great effort has been spent in recent years on the investigation of certain aspects of actin polymerization, such as the dephosphorylation of adenosine triphosphate during G to F transformation (l-6), the mode of interaction of ATP with actin (i-15), and the role of sulfhydryl, histidine, tyrosine, and other groups in the polymerization process (8-10, 12-14, 16-18). It has been found that actin...
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ژورنال
عنوان ژورنال: The Journal of Physical Chemistry B
سال: 2020
ISSN: 1520-6106,1520-5207
DOI: 10.1021/acs.jpcb.0c06005