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  • 1
    Electronic Resource
    Electronic Resource
    Springer
    Journal of molecular evolution 27 (1988), S. 91-95 
    ISSN: 1432-1432
    Keywords: 3-Isoadenosine 5′-phosphate ; Template-directed condensation ; Poly(iA) ; X-ray ; Hoogsteen base pairing ; Prebiotic
    Source: Springer Online Journal Archives 1860-2000
    Topics: Biology
    Notes: Summary Template-directed oligomerization of an activated derivative of 3-isoadenosine 5′-phosphate (piA) on polyuridylic acid [poly(U)] was studied. The reaction of ImpiA is more efficient than the corresponding reaction of ImpA, and produces 3′–5′-linked oligomers while the reaction of ImpA gives only 2′–5′-linked oligomers. The base pairing between piA and poly(U) in this system is probably of the Hoogsteen type (involving the 6-amino group and N7 of 3-isoadenosine) rather than of the Watson-Crick type.
    Type of Medium: Electronic Resource
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