>d1vsh__ c.55.3.2 (-) Retroviral integrase, catalytic domain {Rous sarcoma virus (RSV, avian sarcoma virus)} glgplqiwqtdftleprmaprswlavtvdtassaivvtqhgrvtsvaaqhhwataiavlg rpkaiktdngsftskstrewlarwgiahttgipgnsqgqamveranrllkdkirvlaegd gfmkriptskqgellakamyalnhf