Chains and heterogens:
PDB Chain Sequences:
>1i7qA (A:) tkpqltllkvqasyrgdpttlfhqlcgarpatlllesaeindkqnlqsllvidsalrita lghtvsvqaltangpallplldealppevrnqarpngreltfpaidavqdedarlrslsv fdalrtiltlvdspadereavmlgglfaydlvagfenlpalrqdqrcpdfcfylaetllv ldhqrgsarlqasvfseqaseaqrlqhrleqlqaelqqppqpiphqklenmqlscnqsde eygavvselqeairqgeifqvvpsrrfslpcpaplgpyqtlkdnnpspymffmqdddftl fgaspesalkydagnrqieiypiagtrprgrradgsldldldsrielemrtdhkelaehl mlvdlarndlaricqagsryvadltkvdrysfvmhlvsrvvgtlradldvlhayqacmnm gtlsgapkvramqliaalrstrrgsyggrvgyftavrnldtcivirsayvedghrtvqag agvvqdsipereadetrnkaravlraiatahhakevf
>1i7qB (B:) adillldnvdsftynlvdqlrasghqvviyrnqigaeviierlqhmeqpvlmlspgpgtp seagcmpellqrlrgqlpiigiclghqaiveayggqvgqageilhgkasaiahdgegmfa gmanplpvaryhslvgsnipadltvnarfgemvmavrddrrrvcgfqfhpesiltthgar lleqtlawalak
>1i7qC (C:) tkpqltllkvqasyrgdpttlfhqlcgarpatlllesaeindkqnlqsllvidsalrita lghtvsvqaltangpallplldealppevrnqarpngreltfpaidavqdedarlrslsv fdalrtiltlvdspadereavmlgglfaydlvagfenlpalrqdqrcpdfcfylaetllv ldhqrgsarlqasvfseqaseaqrlqhrleqlqaelqqppqpiphqklenmqlscnqsde eygavvselqeairqgeifqvvpsrrfslpcpaplgpyqtlkdnnpspymffmqdddftl fgaspesalkydagnrqieiypiagtrprgrradgsldldldsrielemrtdhkelaehl mlvdlarndlaricqagsryvadltkvdrysfvmhlvsrvvgtlradldvlhayqacmnm gtlsgapkvramqliaalrstrrgsyggrvgyftavrnldtcivirsayvedghrtvqag agvvqdsipereadetrnkaravlraiatahhakevf
>1i7qD (D:) adillldnvdsftynlvdqlrasghqvviyrnqigaeviierlqhmeqpvlmlspgpgtp seagcmpellqrlrgqlpiigiclghqaiveayggqvgqageilhgkasaiahdgegmfa gmanplpvaryhslvgsnipadltvnarfgemvmavrddrrrvcgfqfhpesiltthgar lleqtlawalak