Article
The lumenal loop Met672-Pro707 of copper-transporting ATPase ATP7A binds metals and facilitates copper release from the intramembrane sites.
The Journal of biological chemistry - 29 Jul 2011
Barry Amanda N, Otoikhian Adenike, Bhatt Sujata, Shinde Ujwal, Tsivkovskii Ruslan, Blackburn Ninian J, Lutsenko Svetlana
Abstract excerpt
The copper-transporting ATPase ATP7A has an essential role in human physiology. ATP7A transfers the copper cofactor to metalloenzymes within the secretory pathway; inactivation of ATP7A results in an untreatable neurodegenerative disorder, Menkes disease. Presently, the mechanism of ATP7A-mediated copper release into the secretory pathway is not understood. We demonstrate that the characteristic His/Met-rich...
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