Raman spectroscopic study of Bacillus subtilis extracellular levansucrase: Effect of iron (III) ions on the protein conformation

Raman spectroscopic study of the effects

Raman spectroscopic study of the effects of Ca2+, Mg2+, Zn2+, and Cd2+ ions on calf thymus DNA: Binding sites and conformational changes

✍ Marc Langlais; Heidar All Tajmir-Riahi; Rodrigue Savoie 📂 Article 📅 1990 🏛 Wiley (John Wiley & Sons) 🌐 English ⚖ 903 KB

The interaction of Mg2+, Ca2+, Zn2+, and Cd2' with calf thymus DNA has been investigated by Raman spectroscopy. These spectra reveal that all of these ions, and particularly Zn2+, bind to phosphate groups of DNA, causing a slight structural change in the polynucleotide at very small metal : D N A (