>tr|A4N6X2|A4N6X2_HAEIF Site-specific tyrosine recombinase XerC OS=Haemophilus influenzae R3021 GN=xerC MKLFKAEQWNIEVLLPLFEAYRQAYGQAENPERTLAFLTNRMRFNESLFFIAVDENEKAI GFVQLFPRLSSLQLQRYWQITDIFVLEHAQQTEIYAALISKAKDFVHFTQSNRLVAELAQ NQYSMLESEGFKLNPKERLFELSLSC