>d1vsla_ c.55.3.2 (A:) Retroviral integrase, catalytic domain {Rous sarcoma virus (RSV, avian sarcoma virus)} glgplqiwqtnftleprmaprswlavtvdtassaivvtqhgrvtsvaaqhhwataiavlg rpkaiktdngscftskstrewlarwgiahttgipgnsqgqamveranrllkdkirvlaeg dgfmkriptskqgellakamyalnhf