>1xuaB (B:) SEQRES residues mgsshhhhhhssglvprgshmhnyviidafasvplegnpvavffdaddlppaqmqriare mnlsestfvlkprnggdaliriftpvnelpfaghpllgtaialgahtdnhrlyletqmgt iafelerqngsviaasmdqpiptwtalgrdaellkalgisdstfpieiyhngprhvfvgl psidalsalhpdhralsnfhdmaincfagagrrwrsrmfspaygvvedaatgsaagplai hlarhgqiefgqpveilqgveigrpslmfakaegraeqltrvevsgngvtfgrgtivl