16.2 The retrovirus life cycle involves transposition like events ntegrase generates 2 base recessed 3'ends in LTRs 2B988时3m LTR LTR Figure 16.9 Integrase is the only viral protein required for the Integration reaction, in 到目 which each LTR loses 3 Integrase links recessed 3 ends ofLTR to staggered 5 ends oftarget 2 bp and is inserted between 4 bp repeats of target DNA 消当Figure 16.9 Integrase is the only viral protein required for the integration reaction, in which each LTR loses 2 bp and is inserted between 4 bp repeats of target DNA. 16.2 The retrovirus life cycle involves transposition like events