Chains and heterogens:
PDB Chain Sequences:
>2tdmA (A:) mleqpyldlakkvldeghfkpdrthtgtysifghqmrfdlskgfpllttkkvpfglikse llwflhgdtnirfllqhrnhiwdewafekwvksdeyhgpdmtdfghrsqkdpefaavyhe emakfddrvlhddafaakygdlglvygsqwrawhtskgdtidqlgdvieqikthpysrrl ivsawnpedvptmalppchtlyqfyvndgklslqlyqrsadiflgvpfniasyallthlv ahecglevgefihtfgdahlyvnhldqikeqlsrtprpaptlqlnpdkhdifdfdmkdik llnydpypaikapvav