Article
Vacuum-Ultraviolet Circular Dichroism Spectra of Escherichia coli Dihydrofolate Reductase and Its Mutants: Contributions of Phenylalanine and Tyrosine Side Chains and Exciton Coupling of Two Tryptophan Side Chains.
The journal of physical chemistry. B - 15 Oct 2015
Ohmae Eiji, Tanaka Suguru, Miyashita Yurina, Katayanagi Katsuo, Matsuo Koichi
Abstract excerpt
Vacuum-ultraviolet (VUV) circular dichroism (CD) spectroscopy has recently been used for secondary structure analysis of proteins; however, the contribution of aromatic side chains to protein VUV CD spectra is unresolved. In this report, VUV CD spectra of 10 Escherichia coli dihydrofolate reductase (DHFR) mutants, in which each phenylalanine or tyrosine residue was mutated to leucine, were measured down to 175 nm...
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