||Theillet FX et al., Physicochemical properties of cells and their effects on intrinsically disordered proteins (IDPs). Chem Rev. 2014 Jul 9 114(13):6661-714. doi: 10.1021/cr400695p p.6664 left column bottom paragraphPubMed ID24901537
|| Watanabe S, Kusama-Eguchi K, Kobayashi H, Igarashi K. Estimation of polyamine binding to macromolecules and ATP in bovine lymphocytes and rat liver. J Biol Chem. 1991 Nov 5 266(31):20803-9PubMed ID1718969
||Primary source abstract: "To estimate the polyamine distribution in bovine lymphocytes and rat liver, the binding constants (K) for DNA, RNA, phospholipid, and ATP were determined under the conditions of 10 mM Tris-HCl, pH 7.5, 2 mM Mg2+, and 150 mM K+."
||P.6664 left column bottom paragraph: "Spermidine was measured in bovine lymphocytes and rat liver cells at ∼1 mM (primary source)."