Frameshift

By impact on protein sequence *A frameshift mutation is a mutation caused by insertion or deletion of a number of nucleotides that is not evenly divisible by three from a DNA sequence.

The SLIP element (TTTTTT) is involved in the frameshift in the Gag-Pol reading frame required to make functional Pol. Tropism main Diagram of the immature and mature forms of HIV The term viral tropism refers to the cell types a virus infects.