Chains and heterogens:
PDB Chain Sequences:
>1owiA (A:) iiggefttienqpwfaaiyrrhrggsvtyvcggslmspcwvisathcfidypkkedyivy lgrsrlnsntqgemkfevenlilhkdysadtlahhndiallkirskegrcaqpsrtiqti clpsmyndpqfgtsceitgfgkenstdylypeqlkmtvvklishrecqqphyygsevttk mlcaadpqwktdscqgdsggplvcslqgrmtltgivswgrgcalkdkpgvytrvshflpw irsht