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  • Title: Indole ring binds to 7-methylguanine base by pi-pi stacking interaction. Crystal structure of 7-methylguanosine 5'-monophosphate-tryptamine complex.
    Author: Kamiichi K, Danshita M, Minamino N, Doi M, Ishida T, Inoue M.
    Journal: FEBS Lett; 1986 Jan 20; 195(1-2):57-60. PubMed ID: 3943624.
    Abstract:
    Strong pi-pi stacking interaction between the indole ring and 7-methylguanine base was shown by X-ray crystal analysis of the 7-methylguanosine 5'-monophosphate-tryptamine complex. This interaction appears to be strengthened by the attachment of ribose and phosphate groups to the base.
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