>1btmB (B:) observed residues (from ATOM records)
rkpiiagnwkmhktlaeavqfvedvkghvppadevisvvcapflfldrlvqaadgtdlki
gaqtmhfadqgaytgevspvmlkdlgvtyvilghserrqmfaetdetvnkkvlaaftrgl
ipiiccgesleereagqtnavvasqvekalagltpeqvkqaviayepiwaigtgksstpe
dansvcghirsvvsrlfgpeaaeairiqyggsvkpdnirdflaqqqidgplvggaslepa
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