Chains and heterogens:
PDB Chain Sequences:
>1h7uA (A:) meraessstepakaikpidrksvhqicsgqvvlslstavkelvensldagatnidlklkd ygvdlievsdngcgveeenfegltlkhhtskiqefadltqvetfgfrgealsslcalsdv tistchasakvgtrlmfdhngkiiqktpyprprgttvsvqqlfstlpvrhkefqrnikke yakmvqvlhayciisagirvsctnqlgqgkrqpvvctggspsikenigsvfgqkqlqsli pfvqlppsdsvceeyglscsdalhnlfyisgfisqcthgvgrsstdrqfffinrrpcdpa kvcrlvnevyhmynrhqypfvvlnisvdsecvdinvtpdkrqillqeeklllavlktsli gmfds
>1h7uA (A:) vvlslstavkelvensldagatnidlklkdygvdlievsdngcgveeenfegltlkgeal sslcalsdvtistchasakvgtrlmfdhngkiiqktpyprprgttvsvqqlfstlpvrhk efqrnikkeyakmvqvlhayciisagirvsctnqlgqgkrqpvvctggspsikenigsvf gqkqlqslipfvqlppsdsvceeyglscsdalhnlfyisgfisqcthgvgrsstdrqfff inrrpcdpakvcrlvnevyhmynrhqypfvvlnisvdsecvdinqillqeeklllavlkt sligmfds
>1h7uB (B:) meraessstepakaikpidrksvhqicsgqvvlslstavkelvensldagatnidlklkd ygvdlievsdngcgveeenfegltlkhhtskiqefadltqvetfgfrgealsslcalsdv tistchasakvgtrlmfdhngkiiqktpyprprgttvsvqqlfstlpvrhkefqrnikke yakmvqvlhayciisagirvsctnqlgqgkrqpvvctggspsikenigsvfgqkqlqsli pfvqlppsdsvceeyglscsdalhnlfyisgfisqcthgvgrsstdrqfffinrrpcdpa kvcrlvnevyhmynrhqypfvvlnisvdsecvdinvtpdkrqillqeeklllavlktsli gmfds
>1h7uB (B:) vlslstavkelvensldagatnidlklkdygvdlievsdngcgveeenfegltlealssl calsdvtistchasakvgtrlmfdhngkiiqktpyprprgttvsvqqlfstlpvrhkefq rnikkeyakmvqvlhayciisagirvsctnqlgqgkrqpvvctggspsikenigsvfgqk qlqslipfvqlppsdsvceeyglscsdalhnlfyisgfisqcthgvgrsstdrqfffinr rpcdpakvcrlvnevyhmynrhqypfvvlnisvdsecvdillqeeklllavlktsligmf ds