High-affinity potassium uptake system in Bacillus acidocaldarius showing immunological cross-reactivity with the Kdp system from Escherichia coli.

P Bakker, E; Borchard, A; Michels, M; Altendorf, K; Siebers, A

doi:10.1128/jb.169.9.4342-4348.1987

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High-affinity potassium uptake system in Bacillus acidocaldarius showing immunological cross-reactivity with the Kdp system from Escherichia coli.

Published in Journal of bacteriology • Sep 1, 1987

Authors:

E P Bakker

A Borchard

M Michels

Abstract

During growth with low levels of K+, Bacillus acidocaldarius expressed a high-affinity K+ uptake system. The following observations indicate that this system strongly resembles the Kdp-ATPase of Escherichia coli: (i) its high affinity for K+ (Km of 20 microM or below); (ii) its poor transport of Rb+...

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