Chains and heterogens:
PDB Chain Sequences:
>1mheA (A:) shslkyfhtsvsrpgrgeprfisvgyvddtqfvrfdndaasprmvprapwmeqegseywd retrsardtaqifrvnlrtlrgyynqseagshtlqwmhgcelgpdrrflrgyeqfaydgk dyltlnedlrswtavdtaaqiseqksndaseaehqrayledtcvewlhkylekgketllh leppkthvthhpisdheatlrcwalgfypaeitltwqqdgeghtqdtelvetrpagdgtf qkwaavvvpsgeeqrytchvqheglpepvtlrw
>1mheB (B:) miqrtpkiqvysrhpaengksnflncyvsgfhpsdievdllkngeriekvehsdlsfskd wsfyllyyteftptekdeyacrvnhvtlsqpkivkwdrdm
>1mheC (C:) shslkyfhtsvsrpgrgeprfisvgyvddtqfvrfdndaasprmvprapwmeqegseywd retrsardtaqifrvnlrtlrgyynqseagshtlqwmhgcelgpdrrflrgyeqfaydgk dyltlnedlrswtavdtaaqiseqksndaseaehqrayledtcvewlhkylekgketllh leppkthvthhpisdheatlrcwalgfypaeitltwqqdgeghtqdtelvetrpagdgtf qkwaavvvpsgeeqrytchvqheglpepvtlrw
>1mheD (D:) miqrtpkiqvysrhpaengksnflncyvsgfhpsdievdllkngeriekvehsdlsfskd wsfyllyyteftptekdeyacrvnhvtlsqpkivkwdrdm