Chains and heterogens:
PDB Chain Sequences:
>1pytA (A:) kedfvghqvlritaadeaevqtvkeledlehlqldfwrgpgqpgspidvrvpfpslqavk vfleahgiryrimiedvqslldeeqeqmfasqsr
>1pytB (B:) arstntfnyatyhtldeiydfmdllvaehpqlvsklqigrsyegrpiyvlkfstggsnrp aiwidlgihsrewitqatgvwfakkftedygqdpsftaildsmdifleivtnpdgfafth sqnrlwrktrsvtssslcvgvdanrnwdagfgkagassspcsetyhgkyansevevksiv dfvkdhgnfkaflsihsysqlllypygyttqsipdktelnqvaksavealkslygtsyky gsiittiyqasggsidwsynqgikysftfelrdtgrygfllpasqiiptaqetwlgvlti mehtlnnly
>1pytC (C:) fsqpfsrpssrvvngedavpyswswqvslqyekdgafhhtcggsliapdwvvtaghcist srtyqvvlgeydrsvlqgseqvipinagdlfvhplwnsncvacgndialvklsrsaqlgd kvqlanlppagdilpneapcyisgwgrlytggplpdklqeallpvvdyehcsqydwwgit vkktmvcaggdtrsgcdgdsggplncpaadgswqvhgvtsfvsafgcntikkptvftrvs afidwinetiasn
>1pytC (C:) srpssrvvngedavpyswswqvslqyekdgafhhtcggsliapdwvvtaghcistsrtyq vvlgeydrsvlqgseqvipinagdlfvhplwnsncvacgndialvklsrsaqlgdkvqla nlppagdilpneapcyisgwgrlytggplpdklqeallpvvdyehcsqydwwgitvkktm vcaggdtrsgcdgdsggplncpaadgswqvhgvtsfvsafgcntikkptvftrvsafidw inetiasn
>1pytD (D:) cgapifqpnlsarvvggedaiphswpwqislqylrdntwrhtcggtlitpnhvltaahci sntltyrvalgknnlevedeagslyvgvdtifvhekwnsflvrndialiklaetvelgdt iqvaclpsegsllpqdypcfvtgwgrlytngpiaaelqqglqpvvdyatcsqrdwwgttv ketmvcaggdgvisacngdsggplncqadgqwdvrgivsfgsglscntfkkptvftrvsa yidwinqklql