>1iwaO (O:) observed residues (from ATOM records)
triknsryesgvipyakmgywnpdyqvkdtdvlalfrvtpqpgvdpieaaaavagessta
twtvvwtdlltaadlyrakaykvdqvpnnpeqyfayiayeldlfeegsianltasiignv
fgfkavkalrledmrlplaylktfqgpatgvilererldkfgrpllgcttkpklglsgkn
ygrvvyealkggldfvkddeninsqpfmrwrerylftmeavnkasaatgevkghylnvta
atmeemyaranfakelgsviimidlvigytaiqtmakwardndmilhlhragnstysrqk
nhgmnfrvickwmrmagvdhihagtvvgklegdpiitrgfyktlllpklernlqeglffd
mewaslrkvmpvasggihagqmhqlihylgedvvlqfgggtighpdgiqagatanrvale
amilarnenrdyltegpeilreaaktcgalrtaldlwkditfnytstdtsdfv