Chains and heterogens:
PDB Chain Sequences:
>1h7sA (A:) gqvvlslstavkelvensldagatnidlklkdygvdlievsdngcgveeenfegltlkhh tskiqefadltqvetfgfrgealsslcalsdvtistchasakvgtrlmfdhngkiiqktp yprprgttvsvqqlfstlpvrhkefqrnikkeyakmvqvlhayciisagirvsctnqlgq gkrqpvvctggspsikenigsvfgqkqlqslipfvqlppsdsvceeyglscsdalhnlfy isgfisqcthgvgrsstdrqfffinrrpcdpakvcrlvnevyhmynrhqypfvvlnisvd secvdinvtpdkrqillqeeklllavlktsligmfds
>1h7sA (A:) gqvvlslstavkelvensldagatnidlklkdygvdlievsdngcgveeenfegltladl tqvetfgfrgealsslcalsdvtistchasakvgtrlmfdhngkiiqktpyprprgttvs vqqlfstlpvrhkefqrnikkeyakmvqvlhayciisagirvsctnqlgqgkrqpvvctg gspsikenigsvfgqkqlqslipfvqlppsdsvceeyglscsdalhnlfyisgfisqcth gvgrsstdrqfffinrrpcdpakvcrlvnevyhmynrhqypfvvlnisvdsecvdinqil lqeeklllavlktsligmfds
>1h7sB (B:) lslstavkelvensldagatnidlklkdygvdlievsdngcgveeenfegltlkhhtski qefadltqvetfgfrgealsslcalsdvtistchasakvgtrlmfdhngkiiqktpyprp rgttvsvqqlfstlpvrhkefqrnikkeyakmvqvlhayciisagirvsctnqlgqgkrq pvvctggspsikenigsvfgqkqlqslipfvqlppsdsvceeyglscsdalhnlfyisgf isqcthgvgrsstdrqfffinrrpcdpakvcrlvnevyhmynrhqypfvvlnisvdsecv dinvtpdkrqillqeeklllavlktsligmfds
>1h7sB (B:) lslstavkelvensldagatnidlklkdygvdlievsdngcgveeenfegltlgealssl calsdvtistchasakvgtrlmfdhngkiiqktpyprprgttvsvqqlfstlpvrhkefq rnikkeyakmvqvlhayciisagirvsctnqlgqgkrqpvvctggspsikenigsvfgqk qlqslipfvqlppsdsvceeyglscsdalhnlfyisgfisqcthgvgrsstdrqfffinr rpcdpakvcrlvnevyhmynrhqypfvvlnisvdsecvdillqeeklllavlktsligmf ds