S.E.LIETZKE,C.L.BARNES,J.A.BERGLUND,C.E.KUNDROT. THE STRUCTURE OF AN RNA DODECAMER SHOWS HOW TANDEM U-U BASE PAIRS INCREASE THE RANGE OF STABLE RNA STRUCTURES AND THE DIVERSITY OF RECOGNITION SITES.. STRUCTURE V. 4 917 1996 ASTM STRUE6 UK ISSN 0969-2126