>1pb6A (A:) observed residues (from ATOM records)
avsakkkailsaaldtfsqfgfhgtrleqiaelagvsktnllyyfpskealyiavlrqil
diwlaplkafredfaplaaikeyirlklevsrdypqasrlfcmemlagapllmdeltgdl
kalideksaliagwvksgklapidpqhlifmiwastqhyadfapqveavtgatlrdevff
nqtvenvqriiiegirpr