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

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.

SUBMITTER: Hasnain SS 

PROVIDER: S-EPMC1144072 | biostudies-other | 1984 Jul

REPOSITORIES: biostudies-other

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