>3unfK (K:) observed residues (from ATOM records)
tttlafkfqhgvivavdsratagsyisslrmnkvieinpyllgtmsgcaadcqywerlla
kecrlyylrngerisvsaaskllsnmmlqyrgmglsmgsmicgwdkkgpglyyvddngtr
lsgqmfstgsgntyaygvmdsgyrqdlspeeaydlgrraiayathrdnysggvvnmyhmk
edgwvkvessdvsdllykyge