>6vwm_4 mol:na length:93 HIV frameshift stimulating sequence mRNAGGUUUUUCUUCUGAAGAUAAAGCAACAACAACAAGGCAAGGAGGUAAAAAUGUUCGAGAAGAUCUGGCCUUCCCACAAGGGAAGGCCAGGGAA