Resonant dissociative electron attachments to cysteine and cystine
Literature Information
Yong-Feng Wang, Shan Xi Tian, Jinlong Yang
Shape-resonant electron attachments to cysteine and cystine and the subsequent dissociation dynamics are investigated with the single-center expansion potential scattering calculations. Selectivity of the direct bond cleavage at a given resonant state or by the specific resonant state coupling is demonstrated with the one-dimensional complex potential energy curves of the temporary anion (cysteine)ā. The wave function of the lowest shape resonant state of the temporary anion (cystine)ā distinctly shows the localized anti-bond (SāS)* character, implying that this disulfide bond can be easily broken due to the low-energy electron resonant attachment.
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