Binding of magnesium ions to cell walls of Bacillus subtilis W23 containing teichoic acid or teichuronic acid.

@article{Heckels1977BindingOM,
  title={Binding of magnesium ions to cell walls of Bacillus subtilis W23 containing teichoic acid or teichuronic acid.},
  author={John Edward Heckels and Peter A. Lambert and J Baddiley},
  journal={The Biochemical journal},
  year={1977},
  volume={162 2},
  pages={359-65}
}
When grown in a chemostat under various nutritional conditions, cells of Bacillus subtilis W23 produce walls containing teichoic acid or teichuronic acid. The binding of Mg2+ to these walls and to the isolated anionic polymers in solution was measured by equilibrium dialysis. In solution the ribitol teichoic acid bound Mg2+ in the molar ratio Mg2+/P=1:1 with an apparent association constant (Kassoc.) of 0.61 X 10(3)M-1, and the teichuronic acid bound Mg2+ in the ratio Mg2+/CO2-=1.1, Kassoc.=0.3… CONTINUE READING

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