Difference spectra measurement of squid rhodopsin in the submillimeter wave region

Akio Kishigami, Masatoshi Itoh, Tatsuo Nozokido, Hiroaki Minamide, Yasuo Tsukahara, Koji Mizuno

研究成果: Article査読

3 被引用数 (Scopus)

抄録

Theoretical studies by computer simulation have shown that vibrational modes, which depend on the subdomain motions of proteins, are located in the submillimeter wave region (i.e., 10-100 cm-1, 0.3-3 THz). We have successfully observed, by measuring the difference spectrum between squid rhodopsin and metarhodopsin to avoid water absorption, that squid rhodopsin shows its absorption features in this region. Our experimental results show that a native protein in solution indicates not only an absorbent property in this region but also an actual change of absorption with changes in protein conformation.

本文言語English
ページ(範囲)1303-1306
ページ数4
ジャーナルPhotochemical and Photobiological Sciences
2
12
DOI
出版ステータスPublished - 2003 12

ASJC Scopus subject areas

  • 物理化学および理論化学

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