Chains and heterogens:
PDB Chain Sequences:
>1onkA (A:) yerlrlrvthqttgeeyfrfitllrdyvssgsfsneipllrqstipvsdaqrfvlveltn qgqdsvtaaidvtnayvvayqagdqsyflrdaprgaethlftgttrsslpfngsypdler yaghrdqiplgidqliqsvtalrfpggstrtqarsililiqmiseaarfnpilwryrqyi nsgasflpdvymleletswgqqstqvqhstdgvfnnpirlaippgnfvtltnvrdviasl aimlfvcgerpsss
>1onkA (A:) yerlrlrvthqttgeeyfrfitllrdyvssgsfsneipllrqstipvsdaqrfvlveltn qgqdsvtaaidvtnayvvayqagdqsyflrdaprgaethlftgttrsslpfngsypdler yaghrdqiplgidqliqsvtalrfpggstrtqarsililiqmiseaarfnpilwryrqyi nsgasflpdvymleletswgqqstqvqhstdgvfnnpirlaippgnfvtltnvrdviasl aimlfvcge
>1onkB (B:) ddvtcsaseptvrivgrngmrvdvrdddfhdgnqiqlwpsksnndpnqlwtikrdgtirs ngsclttygytagvyvmifdcntavreatiwqiwdngtiinprsnlvlaassgikgttlt vqtldytlgqgwlagndtaprevtiygfrdlcmesnggsvwvetcdssqknqkwalygdg sirpkqnqdqcltsgrdsvstvinivscsgasgsqrwvftnegailnlknglamdvaqan pklrriiiypatgkpnqmwlpvf