Chains and heterogens:
PDB Chain Sequences:
>4r2uA (A:) qlnpesadlralakhlydsyiksfpltkakarailtgkttdkspfviydmnslmmgedki kfkhitplqeqskevairifqgcqfrsveavqeiteyaksipgfvnldlndqvtllkygv heiiytmlaslmnkdgvlisegqgfmtreflkslrkpfgdfmepkfefavkfnaleldds dlaifiaviilsgdrpgllnvkpiediqdnllqalelqlklnhpessqlfakllqkmtdl rqivtehvqllqvikktetdmslhpllqeiykdly
>4r2uA (A:) npesadlralakhlydsyiksfpltkakarailtgtdkspfviydmnslmmgedkikske vairifqgcqfrsveavqeiteyaksipgfvnldlndqvtllkygvheiiytmlaslmnk dgvlisegqgfmtreflkslrkpfgdfmepkfefavkfnalelddsdlaifiaviilsgd rpgllnvkpiediqdnllqalelqlklnhpessqlfakllqkmtdlrqivtehvqllqvi kktetdmslhpllqeiykdl
>4r2uD (D:) qlnpesadlralakhlydsyiksfpltkakarailtgkttdkspfviydmnslmmgedki kfkhitplqeqskevairifqgcqfrsveavqeiteyaksipgfvnldlndqvtllkygv heiiytmlaslmnkdgvlisegqgfmtreflkslrkpfgdfmepkfefavkfnaleldds dlaifiaviilsgdrpgllnvkpiediqdnllqalelqlklnhpessqlfakllqkmtdl rqivtehvqllqvikktetdmslhpllqeiykdly
>4r2uD (D:) sadlralakhlydsyiksfpltkakarailtgkttdkspfviydmnslmmgedkikfkhi tkevairifqgcqfrsveavqeiteyaksipgfvnldlndqvtllkygvheiiytmlasl mnkdgvlisegqgfmtreflkslrkpfgdfmepkfefavkfnalelddsdlaifiaviil sgdrpgllnvkpiediqdnllqalelqlklnhpessqlfakllqkmtdlrqivtehvqll qvikktehpllqeiykd