Chains and heterogens:
PDB Chain Sequences:
>6xqqA (A:) mqkeveqnsgplsvpegaiaslnctysdrgsqsffwyrqysgkspelimfiysngdkedg rftaqlnkasqyvsllirdsqpsdsatylcavrdagnmltfgggtrlmvkpniqnpdpav yqlrdskssdksvclftdfdsqtnvsqskdsdvyitdkcvldmrsmdfksnsavawsnks dfacanafnnsiipedtffpspess
>6xqqA (A:) veqnsgplsvpegaiaslnctysdrgsqsffwyrqysgkspelimfiysngdkedgrfta qlnkasqyvsllirdsqpsdsatylcavrdagnmltfgggtrlmvkpniqnpdpavyqlr dskssdksvclftdfdsqtnvsqskdsdvyitdkcvldmrsmdfksnsavawsnksdfac anafnnsiipedtffps
>6xqqB (B:) msavisqkpsrdicqrgtsltiqcqvdsqvtmmfwyrqqpgqsltliatanqgseatyes gfvidkfpisrpnltfstltvsnmspedssiylcsvggdslignqpqhfgdgtrlsiled lknvfppevavfepseaeishtqkatlvclatgfypdhvelswwvngkevhsgvctdpqp lkeqpalndsryalssrlrvsatfwqnprnhfrcqvqfyglsendewtqdrakpvtqivs aeawgrad
>6xqqB (B:) savisqkpsrdicqrgtsltiqcqvdsqvtmmfwyrqqpgqsltliatanqgseatyesg fvidkfpisrpnltfstltvsnmspedssiylcsvggdslignqpqhfgdgtrlsiledl knvfppevavfepseaeishtqkatlvclatgfypdhvelswwvngkevhsgvctdpqpl keqpalndsryalssrlrvsatfwqnprnhfrcqvqfyglsendewtqdrakpvtqivsa eawgra
>6xqqC (C:) mqkeveqnsgplsvpegaiaslnctysdrgsqsffwyrqysgkspelimfiysngdkedg rftaqlnkasqyvsllirdsqpsdsatylcavrdagnmltfgggtrlmvkpniqnpdpav yqlrdskssdksvclftdfdsqtnvsqskdsdvyitdkcvldmrsmdfksnsavawsnks dfacanafnnsiipedtffpspess
>6xqqC (C:) veqnsgplsvpegaiaslnctysdrgsqsffwyrqysgkspelimfiysngdkedgrfta qlnkasqyvsllirdsqpsdsatylcavrdagnmltfgggtrlmvkpniqnpdpavyqlr dskksvclftdfdsqtnvsqskdsdvyitdkcvldmrsmdfksnsavawsnkacanafnn siipedtffp
>6xqqD (D:) msavisqkpsrdicqrgtsltiqcqvdsqvtmmfwyrqqpgqsltliatanqgseatyes gfvidkfpisrpnltfstltvsnmspedssiylcsvggdslignqpqhfgdgtrlsiled lknvfppevavfepseaeishtqkatlvclatgfypdhvelswwvngkevhsgvctdpqp lkeqpalndsryalssrlrvsatfwqnprnhfrcqvqfyglsendewtqdrakpvtqivs aeawgrad
>6xqqD (D:) savisqkpsrdicqrgtsltiqcqvdsqvtmmfwyrqqpgqsltliatanqgseatyesg fvidkfpisrpnltfstltvsnmspedssiylcsvggdslignqpqhfgdgtrlsiledl knvfppevavfepseaeishtqkatlvclatgfypdhvelswwvngkevhsgvctdpqpl keqpalndsryalssrlrvsatfwqnprnhfrcqvqfyglsendewtqdrakpvtqivsa eawgra