>1wx1B (B:) observed residues (from ATOM records)
mdpevfaqarlrmdqltkppralgyleevalrlaalqgrvkpelgrgavvvaaadhgvva
egvsaypqevtrqmvlnflrggaainqfalaadcavyvldvgvvgelpdhpgllkrkvrp
gtanlaqgpamtpeeaerallagreaarraiaegatllaagdmgignttaaaaltaallg
lppeavvggeeglrrkrqavaralarlhpgmgplevaaevgglelvaiagiylegyeagl
plvldgfpvtagallawkmapglrdhlfaghlsrepghrhqlealglrplldldlalgeg
tgavlampllraaarilhmatfqeagvsrg