Chains and heterogens:
PDB Chain Sequences:
>3ejnA (A:) ggnleemnidpdnatqthpkllltqicmnafkrgtdgmyatkkviqadgesadqyykwtr gsfgyydnlrnvqkmgeeaervnapvytaltkffrayyfyeltlrfgdipysqalkgeke eiytpeydaqedvfagilqelreadeilandasvidgdiiyngnstqwrklinsfrlkvl mtlsnhttvgniniasefkniatnsplmnsladngqlvyldqqgnrypqfnaqwsgyymd dtfiqrmrerrdprlfifsaqtnkgktegkpiddfssyeggdpaapysdaiikvsegtis pindrfrtdpiveptmlmgyaelqqilaeavvrgwisgnaqtyyekgirasfsfyethak dyagylnenavaqylkeplvdftqasgteeqieriimqkylvtfyqgnwdsfyeqlrtgy pdfrrpagteipkrwmypqgeydnngtnvetaitrqfgagndkinqatwwqkks
>3ejnA (A:) qthpkllltqicmnafkrgtdgmyatkkviqadgesadqyykwtrgsfgyydnlrnvqkm geeaervnapvytaltkffrayyfyeltlrfgdipysqalkytpeydaqedvfagilqel readeilandasvidgdiiyngnstqwrklinsfrlkvlmtlsnhttvgniniasefkni atnsplmnsladngqlvyldqqgnrypqfnaqwsgyymddtfiqrmrerrdprlfifsaq tnkgktegkpiddfssyeggdpaapysdaiikvsispindrfrtdpiveptmlmgyaelq qilaeavvrgwisgnaqtyyekgirasfsfyethakdyagylnenavaqylkeplvdftq asgteeqieriimqkylvtfyqgnwdsfyeqlrtgypdfrrpagteipkrwmypqgeydn ngtnvetaitrqfgagndkinqatwwqkks