Reports

Protein-Metal Ion Binding Site: Determination with Proton Magnetic Resonance Spectroscopy

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Science  12 Feb 1971:
Vol. 171, Issue 3971, pp. 573-574
DOI: 10.1126/science.171.3971.573

Abstract

Proton magnetic resonance spectra of aqueous gelatin were analyzed with respect to composition and molecular interactions. Aqueous gelatin complexes cobaltous ions in the pD range of ∼3.5 to 7.5. Glutamyl and aspartyl side chains are shown to be the sites of binding.

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