Chains and heterogens:
PDB Chain Sequences:
>2xi4A (A:) ddhsellvntksgkvmgtrvpvlsshisaflgipfaeppvgnmrfrrpepkkpwsgvwna stypnncqqyvdeqfpgfsgsemwnpnremsedclylniwvpsprpksttvmvwiygggf ysgsstldvyngkylayteevvlvslsyrvgafgflalhgsqeapgnvglldqrmalqwv hdniqffggdpktvtifgesaggasvgmhilspgsrdlfrrailqsgspncpwasvsvae grrravelgrnlncnlnsdeelihclrekkpqelidvewnvlpfdsifrfsfvpvidgef fptslesmlnsgnfkktqillgvnkdegsffllygapgfskdseskisredfmsgvklsv phandlgldavtlqytdwmddnngiknrdglddivgdhnvicplmhfvnkytkfgngtyl yffnhrasnlvwpewmgvihgyeiefvfglplvkelnytaeeealsrrimhywatfaktg npnephsqeskwplfttkeqkfidlntepmkvhqrlrvqmcvfwnqflpkllnatac
>2xi4A (A:) sellvntksgkvmgtrvpvlsshisaflgipfaeppvgnmrfrrpepkkpwsgvwnasty pnncqqyvdeqfpgfsgsemwnpnremsedclylniwvpsprpksttvmvwiygggfysg sstldvyngkylayteevvlvslsyrvgafgflalhgsqeapgnvglldqrmalqwvhdn iqffggdpktvtifgesaggasvgmhilspgsrdlfrrailqsgspncpwasvsvaegrr ravelgrnlncnlnsdeelihclrekkpqelidvewnvlpfdsifrfsfvpvidgeffpt slesmlnsgnfkktqillgvnkdegsffllygapgfskdseskisredfmsgvklsvpha ndlgldavtlqytdwmddnngiknrdglddivgdhnvicplmhfvnkytkfgngtylyff nhrasnlvwpewmgvihgyeiefvfglplvkelnytaeeealsrrimhywatfaktgnpn ephsskwplfttkeqkfidlntepmkvhqrlrvqmcvfwnqflpkllnat
>2xi4B (B:) ddhsellvntksgkvmgtrvpvlsshisaflgipfaeppvgnmrfrrpepkkpwsgvwna stypnncqqyvdeqfpgfsgsemwnpnremsedclylniwvpsprpksttvmvwiygggf ysgsstldvyngkylayteevvlvslsyrvgafgflalhgsqeapgnvglldqrmalqwv hdniqffggdpktvtifgesaggasvgmhilspgsrdlfrrailqsgspncpwasvsvae grrravelgrnlncnlnsdeelihclrekkpqelidvewnvlpfdsifrfsfvpvidgef fptslesmlnsgnfkktqillgvnkdegsffllygapgfskdseskisredfmsgvklsv phandlgldavtlqytdwmddnngiknrdglddivgdhnvicplmhfvnkytkfgngtyl yffnhrasnlvwpewmgvihgyeiefvfglplvkelnytaeeealsrrimhywatfaktg npnephsqeskwplfttkeqkfidlntepmkvhqrlrvqmcvfwnqflpkllnatac
>2xi4B (B:) sellvntksgkvmgtrvpvlsshisaflgipfaeppvgnmrfrrpepkkpwsgvwnasty pnncqqyvdeqfpgfsgsemwnpnremsedclylniwvpsprpksttvmvwiygggfysg sstldvyngkylayteevvlvslsyrvgafgflalhgsqeapgnvglldqrmalqwvhdn iqffggdpktvtifgesaggasvgmhilspgsrdlfrrailqsgspncpwasvsvaegrr ravelgrnlncnlnsdeelihclrekkpqelidvewnvlpfdsifrfsfvpvidgeffpt slesmlnsgnfkktqillgvnkdegsffllygapgfskdseskisredfmsgvklsvpha ndlgldavtlqytdwmddnngiknrdglddivgdhnvicplmhfvnkytkfgngtylyff nhrasnlvwpewmgvihgyeiefvfglplvkelnytaeeealsrrimhywatfaktgnpn ephsqeskwplfttkeqkfidlntepmkvhqrlrvqmcvfwnqflpkllnat