Chains and heterogens:
PDB Chain Sequences:
>1v8aA (A:) mkfiiealkrvrerrplvhnitnfvvmnttanallalgaspvmahaeeeleemirladav vinigtldsgwrrsmvkateianelgkpivldpvgagatkfrtrvsleilsrgvdvlkgn fgeisallgeegktrgvdsleygeeeakkltmnaarefnttvavtgavdyvsdgrrtfav ynghellgrvtgtgcmvaaltgafvavteplkattsalvtfgiaaekayeeakypgsfhv klydwlyrinenvirtyakvrevel
>1v8aA (A:) mkfiiealkrvrerrplvhnitnfvvmnttanallalgaspvmahaeeeleemirladav vinigtldsgwrrsmvkateianelgkpivldpvgagatkfrtrvsleilsrgvdvlkgn fgeisallgeeggeeeakkltmnaarefnttvavtgavdyvsdgrrtfavynghellgrv tgtgcmvaaltgafvavteplkattsalvtfgiaaekayeeakypgsfhvklydwlyrin envirtyakvreve