>1tiyB (B:) observed residues (from ATOM records)
mnhetflkravtlacegvnagiggpfgavivkdgaiiaegqnnvttsndptahaevtair
kackvlgayqlddcilytscepcpmclgaiywarpkavfyaaehtdaaeagfddsfiyke
idkpaeertipfyqvtltehlspfqawrnf