Chains and heterogens:
PDB Chain Sequences:
>3bkkA (A:) lvtdeaeaskfveeydrtsqvvwneyaganwnyntnittetskillqknmqiaqhtlkyg tqarkfdvnqlqnttikriikkvqdleraalpaqeleeynkilldmettysvatvchpqg sclqlepdltnvmatsrkyedllwawegwrdkagrailqfypkyvelinqaarlngyvda gdswrsmyetpsleqdlerlfqelqplylnlhayvrralhrhygaqhinlegpipahllg nmwaqtwsniydlvvpfpsapsmdtteamlkqgwtprrmfkeaddfftslgllpvppefw qksmlekptdgrevvchasawdfyngkdfrikqcttvnledlvvahhemghiqyfmqykd lpvalreganpgfheaigdvlalsvstpkhlhslnllsseggsdehdinflmkmaldkia fipfsylvdqwrwrvfdgsitkenynqewwslrlkyqglcppvprtqgdfdpgakfhips svpyiryfvsfiiqfqfhealcqaaghtgplhkcdiyqskeagqrlatamklgfsrpwpe amqlitgqpqmsasamlsyfkplldwlrtenelhgeklgwpqynwtpnsar
>3bkkA (A:) vtdeaeaskfveeydrtsqvvwneyaganwnyntnittetskillqknmqiaqhtlkygt qarkfdvnqlqnttikriikkvqdleraalpaqeleeynkilldmettysvatvchpqgs clqlepdltnvmatsrkyedllwawegwrdkagrailqfypkyvelinqaarlngyvdag dswrsmyetpsleqdlerlfqelqplylnlhayvrralhrhygaqhinlegpipahllgn mwaqtwsniydlvvpfpsapsmdtteamlkqgwtprrmfkeaddfftslgllpvppefwq ksmlekptdgrevvchasawdfyngkdfrikqcttvnledlvvahhemghiqyfmqykdl pvalreganpgfheaigdvlalsvstpkhlhslnllsseggsdehdinflmkmaldkiaf ipfsylvdqwrwrvfdgsitkenynqewwslrlkyqglcppvprtqgdfdpgakfhipss vpyiryfvsfiiqfqfhealcqaaghtgplhkcdiyqskeagqrlatamklgfsrpwpea mqlitgqpqmsasamlsyfkplldwlrtenelhgeklgwpqynwtp