Chains and heterogens:
PDB Chain Sequences:
>2xy9A (A:) deaeaskfveeydrtsqvvwneyaeanwnyntnittetskillqknmqianhtlkygtqa rkfdvnqlqnttikriikkvqdleraalpaqeleeynkilldmettysvatvchpngscl qlepdltnvmatsrkyedllwawegwrdkagrailqfypkyvelinqaarlngyvdagds wrsmyetpsleqdlerlfqelqplylnlhayvrralhrhygaqhinlegpipahllgnmw aqtwsniydlvvpfpsapsmdtteamlkqgwtprrmfkeaddfftslgllpvppefwnks mlekptdgrevvchasawdfyngkdfrikqcttvnledlvvahhemghiqyfmqykdlpv alreganpgfheaigdvlalsvstpkhlhslnllsseggsdehdinflmkmaldkiafip fsylvdqwrwrvfdgsitkenynqewwslrlkyqglcppvprtqgdfdpgakfhipssvp yiryfvsfiiqfqfhealcqaaghtgplhkcdiyqskeagqrlatamklgfsrpwpeamq litgqpnmsasamlsyfkplldwlrtenelhgeklgwpqynwtpa
>2xy9A (A:) deaeaskfveeydrtsqvvwneyaeanwnyntnittetskillqknmqianhtlkygtqa rkfdvnqlqnttikriikkvqdleraalpaqeleeynkilldmettysvatvchpngscl qlepdltnvmatsrkyedllwawegwrdkagrailqfypkyvelinqaarlngyvdagds wrsmyetpsleqdlerlfqelqplylnlhayvrralhrhygaqhinlegpipahllgnmw aqtwsniydlvvpfpsapsmdtteamlkqgwtprrmfkeaddfftslgllpvppefwnks mlekptdgrevvchasawdfyngkdfrikqcttvnledlvvahhemghiqyfmqykdlpv alreganpgfheaigdvlalsvstpkhlhslnllssdehdinflmkmaldkiafipfsyl vdqwrwrvfdgsitkenynqewwslrlkyqglcppvprtqgdfdpgakfhipssvpyiry fvsfiiqfqfhealcqaaghtgplhkcdiyqskeagqrlatamklgfsrpwpeamqlitg qpnmsasamlsyfkplldwlrtenelhgeklgwpqynwtpa