Chains and heterogens:
PDB Chain Sequences:
>6bk3A (A:) gmgsmstpaasanggqvlllpfpaaqghtnpmlqfgrrlayhglrptlvttryvlsttpp pgdpfrvaaisdgfddasgmaalpdpgeylrtleahgartlaelllsearagrparvlvy dphlpwarrvaraagvataaflsqpcavdliygevcarrlalpvtptdarglyargvlgv elgpddvppfvaapeltpafceqsieqfagleddddvlvnsfsdlepkeaaymestwrak tigpslpsfylddgrlrsntaygfnlfrstvpcmewldkqpprsvvlvsygtvstfdvak leelgnglcnsgkpflwvvrsneehklsvqlrkkcekrglivpfcpqlevlahkatgcfl shcgwnstleaivngvplvamphwadqptiskyveslwgmgvrvqldksgilqreeverc irevmdgdrkedyrrnatrlmkkakesmqeggssdkniaefaakysn
>6bk3A (A:) qvlllpfpatnpmlqfgrrlayhglrptlvttryvlsttpppgdpfrvaaisdgfddasg maalpdpgeylrtleahgartlaelllsearagrparvlvydphlpwarrvaraagvata aflsqpcavdliygevcarrlalpvtptdarglyargvlgvelgpddvppfvaapeltpa fceqsieqfagleddddvlvnsfsdlepkeaaymestwraktigpslpsfylddgrlvpc mewldkqpprsvvlvsygtvstfdvakleelgnglcnsgkpflwvvrsneehklsvqlrk kcekrglivpfcpqlevlahkatgcflshcgwnstleaivngvplvamphwadqptisky veslwgmgvrvqldksgilqreevercirevmdgdrkedyrrnatrlmkkakesmqeggs sdkniaefaakys