Chains and heterogens:
PDB Chain Sequences:
>1hsaA (A:) gshsmryfhtsvsrpgrgeprfitvgyvddtlfvrfdsdaaspreeprapwieqegpeyw dretqickakaqtdredlrtllryynqseagshtlqnmygcdvgpdgrllrgyhqdaydg kdyialnedlsswtaadtaaqitqrkweaarvaeqlraylegecvewlrrylengketlq radppkthvthhpisdheatlrcwalgfypaeitltwqrdgedqtqdtelvetrpagdrt fqkwaavvvpsgeeqrytchvqheglpkpltlrwep
>1hsaB (B:) iqrtpkiqvysrhpaengksnflncyvsgfhpsdievdllkngeriekvehsdlsfskdw sfyllyyteftptekdeyacrvnhvtlsqpkivkwdrdm
>1hsaD (D:) gshsmryfhtsvsrpgrgeprfitvgyvddtlfvrfdsdaaspreeprapwieqegpeyw dretqickakaqtdredlrtllryynqseagshtlqnmygcdvgpdgrllrgyhqdaydg kdyialnedlsswtaadtaaqitqrkweaarvaeqlraylegecvewlrrylengketlq radppkthvthhpisdheatlrcwalgfypaeitltwqrdgedqtqdtelvetrpagdrt fqkwaavvvpsgeeqrytchvqheglpkpltlrwep
>1hsaE (E:) iqrtpkiqvysrhpaengksnflncyvsgfhpsdievdllkngeriekvehsdlsfskdw sfyllyyteftptekdeyacrvnhvtlsqpkivkwdrdm