Direct structural information for the copper site of dopamine beta-mono-oxygenase obtained by using extended X-ray-absorption fine structure.

S. S. Hasnain, G. P. Diakun, P. F. Knowles, N. Binsted, C. D. Garner, N. J. Blackburn

Research output: Contribution to journalArticle

24 Scopus citations

Abstract

Copper K-edge e.x.a.f.s (extended X-ray-absorption fine structure) was measured for dopamine beta-mono-oxygenase in aqueous solution. Comparison with the Cu K-edge e.x.a.f.s. of bovine erythrocyte superoxide dismutase shows a close resemblance. Detailed analysis of the e.x.a.f.s. indicates that the copper atom is bound to four imidazole groups at 0.201 nm with one or two oxygen atoms at 0.23 nm.

Original languageEnglish (US)
Pages (from-to)545-548
Number of pages4
JournalThe Biochemical journal
Volume221
Issue number2
DOIs
StatePublished - Jul 15 1984

ASJC Scopus subject areas

  • Biochemistry
  • Molecular Biology
  • Cell Biology

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