>1bknB (B:) observed residues (from ATOM records)
verpasvvkelvensldagatrididierggaklirirdngcgikkdelalalaeaiisl
gfrgealasissvsrltltsrtaeqqeawqaymnvtvkpaahpvgttlevldllrtekte
fnhideiirrialarfdvtinlshngkivrqyravpeggqkerrlgaicgtafleqalai
ewqhgdltlrgwvadpnhttpalaeiqycyvngrmmrdrlinhairqacedklgadqqpa
fvlyleidphqvhqsrlvhdfiyqgvlsvlq