Chains and heterogens:
PDB Chain Sequences:
>1k9fA (A:) gyepcwlryerkdqysrlrfeeivakrtspifqavveelqkglrsmmeiepqvvqevnet ansiwlgtledeeferplegtlvhpegyvirsdvddgpfriyiigktdagvlygvfhflr llqmgeniaqlsiieqpknrlrminhwdnmdgsiergyagrsiffvddqfvkqnqrikdy arllasvginaisinnvnvhktetklitdhflpdvaevadifrtygiktflsinyaspie igglptadpldpevrrwwketakriyqyipdfggfvvkadsnfrpgpftygrdhaeganm laealapfgglviwrcfvyncqqdwrdrttdrakaaydhfkpldgqfrenvilqikngpm dfqvrepvsplfgampktnqmmevqitqeytgqqkhlcflipqwkevldfdtyakgkgse vkkvidgslfdyrysgiagvsnigsdpnwtghtlaqanlygfgrlawnpdlsaeeianew vvqtfgddsqvvetiswmllsswriyenytsplgvgwmvnpghhygpnvdgyeyshwgty hyadrdgigvdrtvatgtgytaqyfpenaamyesldtcpdelllffhhvpythrlhsget viqhiynthfegveqakqlrkrweqlkgkidekryhdvlerltiqvehakewrdvintyf yrksgiddqygrkiyr
>1k9fA (A:) gyepcwlryerkdqysrlrfeeivakrtspifqavveelqkglrsmmeiepqvvqevnet ansiwlgtledeeferplegtlvhpegyvirsdvddgpfriyiigktdagvlygvfhflr llqmgeniaqlsiieqpknrlrminhwdnmdgsiergyagrsiffvddqfvkqnqrikdy arllasvginaisinnvnvhktetklitdhflpdvaevadifrtygiktflsinyaspie igglptadpldpevrrwwketakriyqyipdfggfvvkapgpftygrdhaeganmlaeal apfgglviwrcfvyncqqdwrdrttdrakaaydhfkpldgqfrenvilqikngpmdfqvr epvsplfgampktnqmmevqitqeytgqqkhlcflipqwkevldfdtyakgkgsevkkvi dgslfdyrysgiagvsnigsdpnwtghtlaqanlygfgrlawnpdlsaeeianewvvqtf gddsqvvetiswmllsswriyenytsplgvgwmvnpghhygpnvdgyeyshwgtyhyadr dgigvdrtvatgtgytaqyfpenaamyesldtcpdelllffhhvpythrlhsgetviqhi ynthfegveqakqlrkrweqlkgkidekryhdvlerltiqvehakewrdvintyfyrksg iddqygrkiyr