>6j4jD (D:) observed residues (from ATOM records)
nvslarqnyaddsesaineqinveynvsyvyhalfayfdrdnialkglakffkesseeer
ehaeqlikyqnirggrvvlhpitsppsefehsekgdalyamelalslekltnekllhvhs
vadrnndpqladfieseflyeqvksikkiaeyvaqlrlvgkghgvwhfdqkllhd