Chains and heterogens:
PDB Chain Sequences:
>1i9yA (A:) ydpiheyvnhelrkrenefsehknvkifvasynlngcsattklenwlfpentpladiyvv gfqeivqltpqqvisadpakrrewescvkrllngkctsgpgyvqlrsgqlvgtalmifck esclpsiknvegtvkktglggvsgnkgavairfdyedtglcfitshlaagytnyderdhd yrtiasglrfrrgrsifnhdyvvwfgdfnyrisltyeevvpciaqgklsylfeydqlnkq mltgkvfpffselpitfpptykfdigtdiydtsdkhrvpawtdrilyrgelvphsyqsvp lyysdhrpiyatyeanivkvdrekkkilfeelynqrkqevrdasqts
>1i9yA (A:) ydpiheyvnhelrkrenefsehknvkifvasynlngcsattklenwlfpentpladiyvv gfqeivqltsadpakrrewescvkrllngkctsgpgyvqlrsgqlvgtalmifckesclp siknvegtvkktglgnkgavairfdyedtglcfitshlaagytnyderdhdyrtiasglr frrgrsifnhdyvvwfgdfnyrisltyeevvpciaqgklsylfeydqlnkqmltgkvfpf fselpitfpptykfdigtdiydtsdkhrvpawtdrilyrgelvphsyqsvplyysdhrpi yatyeanivkvdrekkkilfeelynqrkqevrdasq