DNA and RNA phosphate backbone corresponds to phosphate concentration of:

Range 300 to 400 mM phosphate
Organism Bacteria Escherichia coli
Reference Roe AJ, McLaggan D, Davidson I, O'Byrne C, Booth IR. Perturbation of anion balance during inhibition of growth of Escherichia coli by weak acids. J Bacteriol. 1998 Feb180(4):767-72. p.771 right column top paragraphPubMed ID9473028
Comments The phosphate backbone of the DNA and RNA corresponds to approximately 300 to 400 mM phosphate (with a pK of 6.4), which represents considerable buffering capacity.
Entered by Uri M
ID 107112