>1gukB (B:) observed residues (from ATOM records)
pklyyfngrgrmesirwllaaagvefeeefletreqyekmqkdghllfgqvplveidgmm
ltqtrailsylaakynlygkdlkervridmyadgtqdlmmmiavapfktsydlilsrakt
ryfpvfekilkdhgeaflvgnqlswadiqlleailmveelsapvlsdfpllqafktrisn
iptikkflqpgsqrkpppdgpyvevvriv