Chains and heterogens:
PDB Chain Sequences:
>1hkeA (A:) eeqprlfellgqpgykatwhamfkgesdvpkwvsdasgpsspstslslegqpyvlansck phdcgnnrllvafrgdksaayglqvslpdepaevmqtpskyatyrwygepsrqvrellmk qlesdpnwklehhhhhh
>1hkeA (A:) eeqprlfellgqpgykatwhamfkgesdvpkwvsdasgpsspstslslegqpyvlansck phdcgnnrllvafrgdksaayglqvslpdepaevmqtpskyatyrwygepsrqvrellmk qlesdpnwkl
>1hkeB (B:) eeqprlfellgqpgykatwhamfkgesdvpkwvsdasgpsspstslslegqpyvlansck phdcgnnrllvafrgdksaayglqvslpdepaevmqtpskyatyrwygepsrqvrellmk qlesdpnwklehhhhhh
>1hkeB (B:) eqprlfellgqpgykatwhamfkgesdvpkwvsdasgpsspstslslegqpyvlansckp hdcgnnrllvafrgdksaayglqvslpdepaevmqtpskyatyrwygepsrqvrellmkq lesdpnwkl
>1hkeC (C:) kvfgrcelaaamkrhgldnyrgyslgnwvcaakfesnfntqatnrntdgstdygilqins rwwcndgrtpgsrnlcnipcsallssditasvncakkivsdgngmnawvawrnrckgtdv qawirgcrl
>1hkeD (D:) kvfgrcelaaamkrhgldnyrgyslgnwvcaakfesnfntqatnrntdgstdygilqins rwwcndgrtpgsrnlcnipcsallssditasvncakkivsdgngmnawvawrnrckgtdv qawirgcrl