Chains and heterogens:
PDB Chain Sequences:
>1kfdA (A:) visydnyvtildeetlkawiaklekapvfafdtetdsldnisanlvglsfaiepgvaayi pvahdyldapdqisreralellkplledekalkvgqnlkydrgilanygielrgiafdtm lesyilnsvagrhdmdslaerwlkhktitfeeiagkgknqltfnqialeeagryaaedad vtlqlhlkmwpdlqkhkgplnvfeniemplvpvlsrierngvkidpkvlhnhseeltlrl aelekkaheiageefnlsstkqlqtilfekqgikplkktpggapstseevleelaldypl pkvileyrglaklkstytdklplminpktgrvhtsyhqavtatgrlsstdpnlqnipvrn eegrrirqafiapedyvivsadysqielrimahlsrdkglltafaegkdihrataaevfg lpletvtseqrrsakainfgliygmsafglarqlniprkeaqkymdlyferypgvleyme rtraqakeqgyvetldgrrlylpdikssngarraaaeraainapmqgtaadiikramiav dawlqaeqprvrmimqvhdelvfevhkddvdavakqihqlmenctrldvpllvevgsgen wdqah
>1kfdA (A:) visydnyvtildeetlkawiaklekapvfafdtetdsldnisanlvglsfaiepgvaayi pvahdyldapdqisreralellkplledekalkvgqnlkydrgilanygielrgiafdtm lesyilnsvagrhdmdslaerwlkhktitfeeiagkgknqltfnqialeeagryaaedad vtlqlhlkmwpdlqkhkgplnvfeniemplvpvlsrierngvkidpkvlhnhseeltlrl aelekkaheiadyplpkvileyrglaklkstytdklplminpktgrvhtsyhqavtatgr lsstdpnlqnipvrneegrrirqafiapedyvivsadysqielrimahlsrdkglltafa egkdihrataaevfglpletvtseqrrsakainfgliygmsafglarqlniprkeaqkym dlyferypgvleymertraqakeqgyvetldgrrlylpdikssngarraaaeraainapm qgtaadiikramiavdawlqaeqprvrmimqvhdelvfevhkddvdavakqihqlmenct rldvpllvevgsgenwdqah