Chains and heterogens:
PDB Chain Sequences:
>2ckdA (A:) mrthddtwdiktsvgttavmvaaaraaetdrpdalirdpyakllvtntgagalweamldp smvakveaidaeaaamvehmrsyqavrtnffdtyfnnavidgirqfvilasgldsrayrl dwptgttvyeidqpkvlayksttlaehgvtptadrrevpidlrqdwppalrsagfdpsar tawlaegllmylpataqdglfteigglsavgsriavetsplhgdewreqmqlrfrrvsda lgfeqavdvqeliyhdenravvadwlnrhgwrataqsapdemrrvgrwgdgvpmaddkda faefvtahrl
>2ckdA (A:) wdiktsvgttavmvaaaraaetdrpdalirdpyakllvtntgagalweamldpsmvakve aidaeaaamvehmrsyqavrtnffdtyfnnavidgirqfvilasgldsrayrldwptgtt vyeidqpkvlayksttlaehgvtptadrrevpidlrqdwppalrsagfdpsartawlaeg llmylpataqdglfteigglsavgsriavetsplhgdewreqmqlrfrrvsdalgfeqav dvqeliyhdenravvadwlnrhgwrataqsapdemrrvgrwgdgvpmaddkdafaefvta hrl
>2ckdB (B:) mrthddtwdiktsvgttavmvaaaraaetdrpdalirdpyakllvtntgagalweamldp smvakveaidaeaaamvehmrsyqavrtnffdtyfnnavidgirqfvilasgldsrayrl dwptgttvyeidqpkvlayksttlaehgvtptadrrevpidlrqdwppalrsagfdpsar tawlaegllmylpataqdglfteigglsavgsriavetsplhgdewreqmqlrfrrvsda lgfeqavdvqeliyhdenravvadwlnrhgwrataqsapdemrrvgrwgdgvpmaddkda faefvtahrl
>2ckdB (B:) svgttavmvaaaraaetdrpdalirdpyakllvtntgagalweamldpsmvakveaidae aaamvehmrsyqavrtnffdtyfnnavidgirqfvilasgldsrayrldwptgttvyeid qpkvlayksttlaehgvtptadrrevpidlrqdwppalrsagfdpsartawlaegllmyl pataqdglfteigglsavgsriavetsplhgdewreqmqlrfrrvsdalgfeqavdvqel iyhdenravvadwlnrhgwrataqsapdemrrvgrwgdgvpmaddkdafaefvtahrl