Chains and heterogens:
PDB Chain Sequences:
>1tkbA (A:) qftdidklavstirilavdtvskansghpgaplgmapaahvlwsqmrmnptnpdwinrdr fvlsnghavallysmlhltgydlsiedlkqfrqlgsrtpghpefelpgvevttgplgqgi snavgmamaqanlaatynkpgftlsdnytyvflgdgclqegisseasslaghlklgnlia iyddnkitidgatsisfdedvakryeaygwevlyvengnedlagiakaiaqaklskdkpt likmtttigygslhagshsvhgaplkaddvkqlkskfgfnpdksfvvpqevydhyqktil kpgveannkwnklfseyqkkfpelgaelarrlsgqlpanwesklptytakdsavatrkls etvledvynqlpeliggsadltpsnltrwkealdfqppssgsgnysgryirygirehamg aimngisafganykpyggtflnfvsyaagavrlsalsghpviwvathdsigvgedgpthq pietlahfrslpniqvwrpadgnevsaayknsleskhtpsiialsrqnlpqlegssiesa skggyvlqdvanpdiilvatgsevslsveaaktlaaknikarvvslpdfftfdkqpleyr lsvlpdnvpimsvevlattcwgkyahqsfgidrfgasgkapevfkffgftpegvaeraqk tiafykgdklisplkkaf
>1tkbB (B:) qftdidklavstirilavdtvskansghpgaplgmapaahvlwsqmrmnptnpdwinrdr fvlsnghavallysmlhltgydlsiedlkqfrqlgsrtpghpefelpgvevttgplgqgi snavgmamaqanlaatynkpgftlsdnytyvflgdgclqegisseasslaghlklgnlia iyddnkitidgatsisfdedvakryeaygwevlyvengnedlagiakaiaqaklskdkpt likmtttigygslhagshsvhgaplkaddvkqlkskfgfnpdksfvvpqevydhyqktil kpgveannkwnklfseyqkkfpelgaelarrlsgqlpanwesklptytakdsavatrkls etvledvynqlpeliggsadltpsnltrwkealdfqppssgsgnysgryirygirehamg aimngisafganykpyggtflnfvsyaagavrlsalsghpviwvathdsigvgedgpthq pietlahfrslpniqvwrpadgnevsaayknsleskhtpsiialsrqnlpqlegssiesa skggyvlqdvanpdiilvatgsevslsveaaktlaaknikarvvslpdfftfdkqpleyr lsvlpdnvpimsvevlattcwgkyahqsfgidrfgasgkapevfkffgftpegvaeraqk tiafykgdklisplkkaf