✦ LIBER ✦
Evidence for the binding states of copper(II)–serum albumin complexes as revealed by transient electric dichroism measurements
✍ Scribed by Akihiko Yamagishi
- Book ID
- 101718098
- Publisher
- Wiley (John Wiley & Sons)
- Year
- 1981
- Tongue
- English
- Weight
- 366 KB
- Volume
- 20
- Category
- Article
- ISSN
- 0006-3525
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✦ Synopsis
Abstract
Transient electric dichroism has been measured for a Cu(II)–bovine serum albumin (BSA)–2‐(2‐pyridylazo)‐1‐naphthol (αPAN) complex at pH 5.5–12. From the magnitude of the reduced linear dichroism and the disorientation rate of the oriented chromophore, at least three kinds of binding states of Cu(αPAN)^+^ complex exist. They are present predominantly at pH 5.5–10, 7.5–10, and 10–12, with the αPAN plane approximately parallel, vertical, and parallel with respect to the oriented axis of a BSA molecule.