>tr|A0A1X3L6Z7|A0A1X3L6Z7_ECOLX DNA polymerase IV OS=Escherichia coli H420 GN=dinB MRKIIHVDMDCFFAAVEMRDNPALRDIPIAIGGSRERRGVISTANYPARKFGVRSAMPTG MALKLCPHLTLLPGRFDAYKEASNHIREIFSRYTSRIEPLSLDEAYLDVTDSVHCHGSAT LIAQEIRQTIFSELQLTASAGVAPVKFLAKIASDMNKPNGQFVITPAEVPAFLQTLPLAK IPGVGKVSAAKLEAMGLRTCGDVQKCDLVMLLKRFGKFGRILWERSQGIDERDVNSERLR KSVGVERTMAEDIHHWSECEAIIERLYPELERRLAKVKPDLLIARQGVKLKFDDFQQTTQ EHVWPRLNKADLIATARKTWDERRGGRGVRLVGLHVTLLDPQMERQLVLGL