I haven't looked at the sequence of the vaccine, I assume it is not public. But for the HIV reverse transcriptase to bind the sequence would need to have the pr

I haven't looked at the sequence of the vaccine, I assume it is not public. But for the HIV reverse transcriptase to bind the sequence would need to have the proper binding site, and there is no reason to put that in there. Those enzymes are specific, they don't just transcribe anything they come across.