FEBS Lett. 1985 Oct 28;191(2):181-5.

Fluoroaluminates activate transducin-GDP by mimicking the gamma-phosphate of GTP in its binding site.

Bigay J, Deterre P, Pfister C, Chabre M.

Abstract

Fluoride activation of the cGMP cascade of vision requires the presence of aluminum, and is shown to be mediated by the binding of one A1F-4 to the GDP/GTP-binding subunit of transducin. The presence of GDP in the site is required: A1F-4 is ineffective when the site is empty or when GDP beta S is substituted for GDP. This sensitivity to the sulfur of GDP beta S suggests that A1F-4 is in contact with the GDP. Striking structural similarities between A1F-4 and PO3-4 lead us to propose that A1F-4 mimics the role of the gamma-phosphate of GTP.

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Fluoroaluminates activate transducin-GDP by mimicking the gamma-phosphate of GTP...
Fluoroaluminates activate transducin-GDP by mimicking the gamma-phosphate of GTP in its binding site.
FEBS Lett. 1985 Oct 28 ;191(2):181-5.

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Fluoroaluminates activate transducin-GDP by mimicking the gamma-phosphate of GTP in its binding site.

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