stnv rnas containing more than 134 nucleotides from the 5 ' end require eif-4a , eif-4f , eif-4g , and atp for maximal binding to 40 s ribosomal subunits , whereas stnv rnas containing 86 nucleotides or less no longer require atp and these factors .
C0058984
eif-4a
C0058989
eif-4f