Chains and heterogens:
PDB Chain Sequences:
>1bknA (A:) verpasvvkelvensldagatrididierggaklirirdngcgikkdelalalarhatsk iaslddleaiislgfrgealasissvsrltltsrtaeqqeawqayaegrdmnvtvkpaah pvgttlevldlfyntparrkflrtektefnhideiirrialarfdvtinlshngkivrqy ravpeggqkerrlgaicgtafleqalaiewqhgdltlrgwvadpnhttpalaeiqycyvn grmmrdrlinhairqacedklgadqqpafvlyleidphqvdvnvhpakhevrfhqsrlvh dfiyqgvlsvlq
>1bknA (A:) verpasvvkelvensldagatrididierggaklirirdngcgikkdelalalaiasldd leaiislgfrgealasissvsrltltsrtaeqqeawqayavtvkpaahpvgttlevldte ktefnhideiirrialarfdvtinlshngkivrqyravpeggqkerrlgaicgtafleqa laiewqhgdltlrgwvadpnhttpalaeiqycyvngrmmrdrlinhairqacedklgadq qpafvlyleidphqvsrlvhdfiyqgvlsvlq
>1bknB (B:) verpasvvkelvensldagatrididierggaklirirdngcgikkdelalalarhatsk iaslddleaiislgfrgealasissvsrltltsrtaeqqeawqayaegrdmnvtvkpaah pvgttlevldlfyntparrkflrtektefnhideiirrialarfdvtinlshngkivrqy ravpeggqkerrlgaicgtafleqalaiewqhgdltlrgwvadpnhttpalaeiqycyvn grmmrdrlinhairqacedklgadqqpafvlyleidphqvdvnvhpakhevrfhqsrlvh dfiyqgvlsvlq
>1bknB (B:) verpasvvkelvensldagatrididierggaklirirdngcgikkdelalalaeaiisl gfrgealasissvsrltltsrtaeqqeawqaymnvtvkpaahpvgttlevldllrtekte fnhideiirrialarfdvtinlshngkivrqyravpeggqkerrlgaicgtafleqalai ewqhgdltlrgwvadpnhttpalaeiqycyvngrmmrdrlinhairqacedklgadqqpa fvlyleidphqvhqsrlvhdfiyqgvlsvlq