Chains and heterogens:
PDB Chain Sequences:
>3i1yA (A:) mtlraavfdldgvlalpavfgvlgrteealalprgllndafqkggpegattrlmkgeitl sqwiplmeencrkcsetakvclpknfsikeifdkaisarkinrpmlqaalmlrkkgftta iltntwlddraerdglaqlmcelkmhfdfliescqvgmvkpepqiykflldtlkaspsev vflddiganlkpardlgmvtilvqdtdtalkelekvtgiqllntpaplptscnpsdmshg yvtvkprvrlhfvelgsgpavclchgfpeswyswryqipalaqagyrvlamdmkgygess appeieeycmevlckemvtfldklglsqavfighdwggmlvwymalfypervravaslnt pfipanpnmsplesikanpvfdyqlyfqepgvaeaeleqnlsrtfkslfrasdesvlsmh kvceagglfvnspeepslsrmvteeeiqfyvqqfkksgfrgplnwyrnmernwkwacksl grkilipalmvtaekdfvlvpqmsqhmedwiphlkrghiedcghwtqmdkptevnqilik wldsdarnppvvskm
>3i1yA (A:) raavfdldgvlalpavfgvlgrteealalprgllndafqkggpegattrlmkgeitlsqw iplmeencrkcsetakvclpknfsikeifdkaisarkinrpmlqaalmlrkkgfttailt ntwlddraerdglaqlmcelkmhfdfliescqvgmvkpepqiykflldtlkaspsevvfl ddiganlkpardlgmvtilvqdtdtalkelekvtgiqllntpaplptscnpsdmshgyvt vkprvrlhfvelgsgpavclchgfpeswyswryqipalaqagyrvlamdmkgygessapp eieeycmevlckemvtfldklglsqavfighdwggmlvwymalfypervravaslntpfi panpnmsplesikanpvfdyqlyfqepgvaeaeleqnlsrtfkslfrasdesvlsmhkvc eagglfvnspeepslsrmvteeeiqfyvqqfkksgfrgplnwyrnmernwkwackslgrk ilipalmvtaekdfvlvpqmsqhmedwiphlkrghiedcghwtqmdkptevnqilikwld sdarn