S1/1 Mode of ion binding in the ATP synthase family
نویسندگان
چکیده
منابع مشابه
Membrane topography of the coupling ion binding site in Na+-translocating F1F0 ATP synthase.
A carbodiimide with a photoactivatable diazirine substituent was synthesized and incubated with the Na(+)-translocating F(1)F(0) ATP synthase from both Propionigenium modestum and Ilyobacter tartaricus. This caused severe inhibition of ATP hydrolysis activity in the absence of Na(+) ions but not in its presence, indicating the specific reaction with the Na(+) binding c-Glu(65) residue. Photocro...
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15 صفحه اولIdentification of phosphate binding residues of Escherichia coli ATP synthase.
Four positively-charged residues, namely betaLys-155, betaArg-182, betaArg-246, and alphaArg-376 have been identified as Pi binding residues in Escherichia coli ATP synthase. They form a triangular Pi binding site in catalytic site betaE where substrate Pi initially binds for ATP synthesis in oxidative phosphorylation. Positive electrostatic charge in the vicinity of betaArg-246 is shown to be ...
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ژورنال
عنوان ژورنال: Biochimica et Biophysica Acta (BBA) - Bioenergetics
سال: 2008
ISSN: 0005-2728
DOI: 10.1016/j.bbabio.2008.05.039