>3pkpD (D:) observed residues (from ATOM records)
trkgiilaggsgtrlypvtmavskqllpiydkpmiyyplstlmlagirdiliistpqdtp
rfqqllgdgsqwglnlqykvspspdglaqafiigeefighddcalvlgdnifyghdlpkl
meaavnkesgatvfayhvndperygvvefdqkgtavsleekplqpksnyavtglyfydns
vvemaknlkeleitdinriymeqgrlsvammgrgyawldtgthqslieasnfiatieerq
glkvscpeeiafrknfinaqqvielagplskndygkyllkmvk