Chains and heterogens:
PDB Chain Sequences:
>1kckA (A:) apdtsvsnkqnfstdviyqiftdrfsdgnpannptgaafdgtctnlrlycggdwqgiink indgyltgmgvtaiwisqpveniysiinysgvnntayhgywardfkktnpaygtiadfqn liaaahaknikviidfapnhtspassdqpsfaengrlydngtllggytndtqnlfhhngg tdfsttengiykglydladlnhnnstvdvylkdaikmwldlgidgirmdavkhmpfgwqk sfmaavnnykpvftfgewflgvnevspenhkfanesgmslldfrfaqkvrqvfrdntdnm yglkamlegsaadyaqvddqvtfidnhdmerfhasnanrrkleqalaftltsrgvpaiyy gteqymsggtdpdnraripsfststtayqviqklaplrkcnpaiaygstqerwinndvli yerkfgsnvavvavnrnlnapasisglvtslpqgsyndvlggllngntlsvgsggaasnf tlaaggtavwqytaatatptighvgpmmakpgvtitidgrgfgsskgtvyfgttavsgad itswedtqikvkipavaggnynikvanaagtasnvydnfevlsgdqvsvrfvvnnattal gqnvyltgsvselgnwdpakaigpmynqvvyqypnwyydvsvpagktiefkflkkqgstv tweggsnhtftapssgtatinvnwqp