Chains and heterogens:
PDB Chain Sequences:
>1tndA (A:) artvkllllgagesgkstivkqmkiihqdgysleeclefiaiiygntlqsilaivramtt lniqygdsarqddarklmhmadtieegtmpkemsdiiqrlwkdsgiqacfdraseyqlnd sagyylsdlerlvtpgyvpteqdvlrsrvkttgiietqfsfkdlnfrmfdvggqrserkk wihcfegvtciifiaalsaydmvlveddevnrmheslhlfnsicnhryfattsivlflnk kdvfsekikkahlsicfpdyngpntyedagnyikvqflelnmrrdvkeiyshmtcatdtq nvkfvfdavtdiiikenlkdcgl
>1tndB (B:) artvkllllgagesgkstivkqmkiihqdgysleeclefiaiiygntlqsilaivramtt lniqygdsarqddarklmhmadtieegtmpkemsdiiqrlwkdsgiqacfdraseyqlnd sagyylsdlerlvtpgyvpteqdvlrsrvkttgiietqfsfkdlnfrmfdvggqrserkk wihcfegvtciifiaalsaydmvlveddevnrmheslhlfnsicnhryfattsivlflnk kdvfsekikkahlsicfpdyngpntyedagnyikvqflelnmrrdvkeiyshmtcatdtq nvkfvfdavtdiiike
>1tndC (C:) artvkllllgagesgkstivkqmkiihqdgysleeclefiaiiygntlqsilaivramtt lniqygdsarqddarklmhmadtieegtmpkemsdiiqrlwkdsgiqacfdraseyqlnd sagyylsdlerlvtpgyvpteqdvlrsrvkttgiietqfsfkdlnfrmfdvggqrserkk wihcfegvtciifiaalsaydmvlveddevnrmheslhlfnsicnhryfattsivlflnk kdvfsekikkahlsicfpdyngpntyedagnyikvqflelnmrrdvkeiyshmtcatdtq nvkfvfdavtdiiike