>4q33D (D:) observed residues (from ATOM records)
arilktaytfddvllvpnksevlpnevslktqltkkiqlniplmsasmdtvteskmaiam
areggigiihknmtiedqarevdrvkrsggllcgasigvtndmmervdavvkakvdvivl
dtahghskgviegvkrikakypelqviagniatpeavrdlaeagadcvkvgigpgsictt
rivagvgvpqltavmdcaeegkklgipviadgglkysgdivkalaagacaammgsifagc
eeapgaieiyqgrsykvyrgmgslgamafvpegvegriaykghladtiyqliggiksgmg
ylgaptlenlyenanfvvqtsagfreshphdinitkeapnys