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- 1989 (1)
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- Englisch (1)
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- Adenosine receptor (1) (entfernen)
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Radiation inactivation analysis of the binding of the A1 adenosine receptor antagonist, 8-cyclopentyl-1,3-dipropylxanthine to rat brain membranes yielded a radiation inactivation size of 58 kDa. In the presence of GTPyS this was reduced to 33 kDa, in good agreement with the size of the ligand-binding subunit detected after photoaffinity labelling. The data indicate that the structural association of A\(_1\) adenosine receptors with G-protein components is altered in situ in the presence of guanine nucleotides.