the efficiency of translation of alfalfa mosaic virus ( amv ) rna 4 , barley alpha-amylase ( b alpha a ) mrna , and two chimeric mrnas , amv 4-b alpha a and b alpha a-amv 4 ( in which the 5 ' leader sequences of the two mrnas were interchanged ) , was measured in an s30 extract from wheat germ and a fractionated system from wheat germ in which translation could be made dependent upon initiation factor ( eif ) 3 , 4a , 4f , or 4g .
C0030943
initiation factor
C0752615
eif