>1u1xB (B:) observed residues (from ATOM records)
hmhnyviidafasvplegnpvavffdaddlppaqmqriaremnlsestfvlkprnggdal
iriftpvnelpfaghpllgtaialgahtdnhrlyletqmgtiafelerqngsviaasmdq
piptwtalgrdaellkalgisdstfpieiyhngprhvfvglpsidalsalhpdhralsnf
hdmaincfagagrrwrsrmfspaygvvedaatgsaagplaihlarhgqiefgqpveilqg
veigrpslmfakaegraeqltrvevsgngvtfgrgtivl