Distinct effect of xenobiotics on the metal-binding properties of protein molecules

Novikova, N.; Kovalchuk, M.; Stepina, N.; Gaynutdinov, R.; Chukhrai, E.; Yurieva, E.

doi:10.1107/S1600577515005627

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Figure 6
Angular dependence of the fluorescence yield from trace impurity metals (Cu and Fe) in the protein films of alkaline phosphatase. (a) Cu $[K_{\alpha}]$ fluorescence yield from sample N2 (SI-CAP)+AP. The dashed curve represents the calculated angular dependence of the fluorescence yield from the film, in which copper ions are distributed in a layer with a thickness of 10 Å at the bottom of the protein monolayer. (b) Fe $[K_{\alpha}]$ fluorescence yield from sample N6 (SI-CAP)+AP[Pb]. For comparison, the angular dependence of the Zn $[K_{\alpha}]$ fluorescence yield from sample N6 is also shown.

JOURNAL OF
SYNCHROTRON
RADIATION

ISSN: 1600-5775

Volume 22| Part 4| July 2015| Pages 1001-1007

https://doi.org/10.1107/S1600577515005627

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