>3ISB_1|Chain A|DNA polymerase beta|Homo sapiens (9606) MSKRKAPQETLNGGITDMLTELANFEKNVSQAIHKYNAYRKAASVIAKYPHKIKSGAEAKKLPGVGTKIAEKIDEFLATGKLRKLEKIRQDDTSSSINFLTRVSGIGPSAARKFVDEGIKTLEDLRKNEDKLNHHQRIGLKYFGDFEKRIPREEMLQMQDIVLNEVKKVDSEYIATVCGSFRRGAESSGDMDVLLTHPSFTSESTKQPKLLHQVVEQLQKVHFITDTLSKGETKFMGVCQLPSKNDEKEYPHRRIDIRLIPKDQYYCGVLYFTGSDIFNKNMRAHALEKGFTINEYTIRPLGVTGVAGEPLPVDSEKDIFDYIQWKYREPKDRSE >3ISB_3|Chain C[auth P]|5'-D(*GP*CP*TP*GP*AP*TP*GP*CP*GP*C)-3'|null GCTGATGCGC >3ISB_4|Chain D|5'-D(P*GP*TP*CP*GP*G)-3'|null GTCGG >3ISB_2|Chain B[auth T]|5'-D(*CP*CP*GP*AP*CP*GP*GP*CP*GP*CP*AP*TP*CP*AP*GP*C)-3'|null CCGACGGCGCATCAGC