>6j4jA (A:) observed residues (from ATOM records)
nvslarqnyaddsesaineqinveynvsyvyhalfayfdrdnialkglakffkesseeer
ehaeqlikyqnirggrvvlhpitsppsefehsekgdalyamelalslekltnekllhvhs
vadrnndpqladfieseflyeqvksikkiaeyvaqlrlvgkghgvwhfdqkllhd