>6d4uA (A:) observed residues (from ATOM records)
vptggddptkiamlgltfddvlllpaasdvlpanadtssqltkkirlkvplvssamdtvt
earmaiamaraggmgvlhrnlpvaeqaaqvetvkrsggllvgaavgvgddaweramalrd
agvdvlvvdtahahnrkvldmvhrlkttvgdeievvggnvatraaaaalveagadavkvg
vgpgsicttrvvagvgapqitaileavaacaphgvpviadgglqysgdiakalaagasta
mlgsllagtaespgelilvngkqfksyrgmgslgamqvpegiegrvpfrgplstvihqlv
gglraamgytgsatieelqqaqfvqitaag