Chains and heterogens:
PDB Chain Sequences:
>4em9A (A:) gshmesadlralakhlydsyiksfpltkakarailtgkttdkspfviydmnslmmgedki kfkhitplqeqskevairifqgcqfrsveavqeiteyaksipgfvnldlndqvtllkygv heiiytmlaslmnkdgvlisegqgfmtreflkslrkpfgdfmepkfefavkfnaleldds dlaifiaviilsgdrpgllnvkpiediqdnllqalelqlklnhpessqlfakllqkmtdl rqivtehvqllqvikktetdmslhpllqeiykdly
>4em9A (A:) esadlralakhlydsyiksfpltkakarailtgkttdkspfviydmnslmmgedkskeva irifqgcqfrsveavqeiteyaksipgfvnldlndqvtllkygvheiiytmlaslmnkdg vlisegqgfmtreflkslrkpfgdfmepkfefavkfnalelddsdlaifiaviilsgdrp gllnvkpiediqdnllqalelqlklnhpessqlfakllqkmtdlrqivtehvqllqvikk tetdmslhpllqeiykdly
>4em9B (B:) gshmesadlralakhlydsyiksfpltkakarailtgkttdkspfviydmnslmmgedki kfkhitplqeqskevairifqgcqfrsveavqeiteyaksipgfvnldlndqvtllkygv heiiytmlaslmnkdgvlisegqgfmtreflkslrkpfgdfmepkfefavkfnaleldds dlaifiaviilsgdrpgllnvkpiediqdnllqalelqlklnhpessqlfakllqkmtdl rqivtehvqllqvikktetdmslhpllqeiykdly
>4em9B (B:) esadlralakhlydsyiksfpltkakarailtgspfviydmnslmmgedfkhievairif qgcqfrsveavqeiteyaksipgfvnldlndqvtllkygvheiiytmlaslmnkdgvlis egqgfmtreflkslrkpfgdfmepkfefavkfnalelddsdlaifiaviilsgdrpglln vkpiediqdnllqalelqlklnhpessqlfakllqkmtdlrqivtehvqllqvlhpllqe iyk