Chains and heterogens:
PDB Chain Sequences:
>1a9bA (A:) gshsmryfytamsrpgrgeprfiavgyvddtqfvrfdsdaasprteprapwieqegpeyw drntqifktntqtyreslrnlrgyynqseagshiiqrmygcdlgpdgrllrghdqsaydg kdyialnedlsswtaadtaaqitqrkweaarvaeqlrayleglcvewlrrylengketlq radppkthvthhpvsdheatlrcwalgfypaeitltwqrdgedqtqdtelvetrpagdrt fqkwaavvvpsgeeqrytchvqheglpkpltlrweps
>1a9bB (B:) miqrtpkiqvysrhpaengksnflncyvsgfhpsdievdllkngeriekvehsdlsfskd wsfyllyyteftptekdeyacrvnhvtlsqpkivkwdrdm
>1a9bD (D:) gshsmryfytamsrpgrgeprfiavgyvddtqfvrfdsdaasprteprapwieqegpeyw drntqifktntqtyreslrnlrgyynqseagshiiqrmygcdlgpdgrllrghdqsaydg kdyialnedlsswtaadtaaqitqrkweaarvaeqlrayleglcvewlrrylengketlq radppkthvthhpvsdheatlrcwalgfypaeitltwqrdgedqtqdtelvetrpagdrt fqkwaavvvpsgeeqrytchvqheglpkpltlrweps
>1a9bE (E:) miqrtpkiqvysrhpaengksnflncyvsgfhpsdievdllkngeriekvehsdlsfskd wsfyllyyteftptekdeyacrvnhvtlsqpkivkwdrdm