construction of different chimeric molecules having various combinations of 5 ' and 3 ' utrs from ifn-beta or xenopus beta-globin mrna or a small sequence of sp6 polylinker as 5 ' utr has revealed that the 3 ' utr of ifn-beta in itself has a pronounced inhibitory effect on translation in the two translation systems from animal cells .
C0600680
utr
C0007634
cells