Chains and heterogens:
PDB Chain Sequences:
>2yqcA (A:) mtvksqqqiidsfkqanqdqlfqyydsltidqqqefidqlstieepaklistveqaiqfs qtnstsrnftqlpneqtastldlskdilqnwtelglkaigngevavllmaggqgtrlgss apkgcfnielpsqkslfqiqaekilkieqlaqqylkstkkpiinwyimtsgptrnatesf fiennyfglnshqviffnqgtlpcfnlqgnkillelknsicqspdgngglykalkdngil ddlnskgikhihmycvdnclvkvadpifigfaiakkfdlatkvvrkrdanesvglivldq dnqkpcvieyseisqelankkdpqdssklflraanivnhyysveflnkmipkwissqkyl pfhiakkkipslnlengefykptepngikleqfifdvfpsvelnkfgclevdrldefspl knadgakndtpttcrnhylersskwviqnggvidnqglvevdsktsyggeglefvngkhf kngdii
>2yqcA (A:) vksqqqiidsfkqanqdqlfqyydsltidqqqefidqlstieepaklistveqaiqfsqs rnftqlpneqtastldlskdilqnwtelglkaigngevavllmaggqgtrlgssapkgcf nielpsqkslfqiqaekilkieqlaqqylkstkkpiinwyimtsgptrnatesffienny fglnshqviffnqgtlpcfnlqgnkillelknsicqspdgngglykalkdngilddlnsk gikhihmycvdnclvkvadpifigfaiakkfdlatkvvrkrdanesvglivldqdnqkpc vieyseisqelankkdpqdssklflraanivnhyysveflnkmipkwissqkylpfhiak kkipslnlengefykptepngikleqfifdvfpsvelnkfgclevdrldefsplknadga kndtpttcrnhylersskwviqnggvidnqglvevdsktsyggeglefvngkhfkngdii