>4O3R_2|Chain B[auth T]|DNA (5'-D(*CP*AP*TP*GP*(8OG)P*TP*GP*AP*CP*GP*CP*T)-3')|null CATGGTGACGCT >4O3R_1|Chain A|DNA polymerase eta|Homo sapiens (9606) GPHMATGQDRVVALVDMDCFFVQVEQRQNPHLRNKPCAVVQYKSWKGGGIIAVSYEARAFGVTRSMWADDAKKLCPDLLLAQVRESRGKANLTKYREASVEVMEIMSRFAVIERASIDEAYVDLTSAVQERLQKLQGQPISADLLPSTYIEGLPQGPTTAEETVQKEGMRKQGLFQWLDSLQIDNLTSPDLQLTVGAVIVEEMRAAIERETGFQCSAGISHNKVLAKLACGLNKPNRQTLVSHGSVPQLFSQMPIRKIRSLGGKLGASVIEILGIEYMGELTQFTESQLQSHFGEKNGSWLYAMCRGIEHDPVKPRQLPKTIGCSKNFPGKTALATREQVQWWLLQLAQELEERLTKDRNDNDRVATQLVVSIRVQGDKRLSSLRRCCALTRYDAHKMSHDAFTVIKNCNTSGIQTEWSPPLTMLFLCATKFSAS >4O3R_3|Chain C[auth P]|DNA (5'-D(*AP*GP*CP*GP*TP*CP*AP*A)-3')|null AGCGTCAA