>4FW1_1|Chains A, B|Integrase|Rous sarcoma virus (11888) GVNPRGLGPLQIWQTDFTLEPRMAPRSWLAVTVDTASSAIVVTQHGRVTSVAVQHHWATAIAVLGRPKAIKTDNGDAFTSKSTREWLARWGIAHTTGIPGNSQGQAMVCRANRLLKDKIRVLAEGDGFMKRIPTSKQGELLAKAMYALNHKERGENTKTPIQKHWRPTVLTEGPPVKIRIETGEWEKGWNVLVWGRGYAAVKNRDTDKVIWVPSRKVKPDIT