Chains and heterogens:
PDB Chain Sequences:
>1fb1A (A:) gerprseednelnlpnlaaayssilsslgenpqrqgllktpwraasamqfftkgyqetis dvlndaifdedhdemvivkdidmfsmcehhlvpfvgkvhigylpnkqvlglsklarivei ysrrlqvqerltkqiavaitealrpagvgvvveathmcmvmrgvqkmnsktvtstmlgvf redpktreefltlirs
>1fb1B (B:) gerprseednelnlpnlaaayssilsslgenpqrqgllktpwraasamqfftkgyqetis dvlndaifdedhdemvivkdidmfsmcehhlvpfvgkvhigylpnkqvlglsklarivei ysrrlqvqerltkqiavaitealrpagvgvvveathmcmvmrgvqkmnsktvtstmlgvf redpktreefltlirs
>1fb1C (C:) gerprseednelnlpnlaaayssilsslgenpqrqgllktpwraasamqfftkgyqetis dvlndaifdedhdemvivkdidmfsmcehhlvpfvgkvhigylpnkqvlglsklarivei ysrrlqvqerltkqiavaitealrpagvgvvveathmcmvmrgvqkmnsktvtstmlgvf redpktreefltlirs
>1fb1D (D:) gerprseednelnlpnlaaayssilsslgenpqrqgllktpwraasamqfftkgyqetis dvlndaifdedhdemvivkdidmfsmcehhlvpfvgkvhigylpnkqvlglsklarivei ysrrlqvqerltkqiavaitealrpagvgvvveathmcmvmrgvqkmnsktvtstmlgvf redpktreefltlirs
>1fb1E (E:) gerprseednelnlpnlaaayssilsslgenpqrqgllktpwraasamqfftkgyqetis dvlndaifdedhdemvivkdidmfsmcehhlvpfvgkvhigylpnkqvlglsklarivei ysrrlqvqerltkqiavaitealrpagvgvvveathmcmvmrgvqkmnsktvtstmlgvf redpktreefltlirs