Chains and heterogens:
PDB Chain Sequences:
>1h7uA (A:) vvlslstavkelvensldagatnidlklkdygvdlievsdngcgveeenfegltlkhhts kiqefadltqvetfgfrgealsslcalsdvtistchasakvgtrlmfdhngkiiqktpyp rprgttvsvqqlfstlpvrhkefqrnikkeyakmvqvlhayciisagirvsctnqlgqgk rqpvvctggspsikenigsvfgqkqlqslipfvqlppsdsvceeyglscsdalhnlfyis gfisqcthgvgrsstdrqfffinrrpcdpakvcrlvnevyhmynrhqypfvvlnisvdse cvdinvtpdkrqillqeeklllavlktsligmfd
>1h7uA (A:) vvlslstavkelvensldagatnidlklkdygvdlievsdngcgveeenfegltlkgeal sslcalsdvtistchasakvgtrlmfdhngkiiqktpyprprgttvsvqqlfstlpvrhk efqrnikkeyakmvqvlhayciisagirvsctnqlgqgkrqpvvctggspsikenigsvf gqkqlqslipfvqlppsdsvceeyglscsdalhnlfyisgfisqcthgvgrsstdrqfff inrrpcdpakvcrlvnevyhmynrhqypfvvlnisvdsecvdinqillqeeklllavlkt sligmfd
>1h7uB (B:) vlslstavkelvensldagatnidlklkdygvdlievsdngcgveeenfegltlkhhtsk iqefadltqvetfgfrgealsslcalsdvtistchasakvgtrlmfdhngkiiqktpypr prgttvsvqqlfstlpvrhkefqrnikkeyakmvqvlhayciisagirvsctnqlgqgkr qpvvctggspsikenigsvfgqkqlqslipfvqlppsdsvceeyglscsdalhnlfyisg fisqcthgvgrsstdrqfffinrrpcdpakvcrlvnevyhmynrhqypfvvlnisvdsec vdinvtpdkrqillqeeklllavlktsligmfd
>1h7uB (B:) vlslstavkelvensldagatnidlklkdygvdlievsdngcgveeenfegltlealssl calsdvtistchasakvgtrlmfdhngkiiqktpyprprgttvsvqqlfstlpvrhkefq rnikkeyakmvqvlhayciisagirvsctnqlgqgkrqpvvctggspsikenigsvfgqk qlqslipfvqlppsdsvceeyglscsdalhnlfyisgfisqcthgvgrsstdrqfffinr rpcdpakvcrlvnevyhmynrhqypfvvlnisvdsecvdillqeeklllavlktsligmf d