Chains and heterogens:
PDB Chain Sequences:
>1je6A (A:) mephslrynlmvlsqdgsvqsgflaeghldgqpflrydrqkrrakpqgqwaedvlgaetw dtetedltengqdlrrtlthikdqkgglhslqeirvceihedsstrgsrhfyyngelfls qnletqestvpqssraqtlamnvtnfwkedamktkthyramqadclqklqrylksgvair rtvppmvnvtcsevsegnitvtcrassfyprnitltwrqdgvslshntqqwgdvlpdgng tyqtwvatrirqgeeqrftcymehsgnhgthpvps