>4w9aA (A:) observed residues (from ATOM records)
gkitfyedrgfqghcyecssdcpnlqpyfsrcnsirvdsgcwmlyerpnyqghqyflrrg
dypdyqqwmgfndsirscrlipqhtgtfrmriyerddfrgqmseitddcpslqdrfhlte
vhslnvlegswvlyempsyrgrqyllrpgeyrryldwgamnakvgslrrvmd