>2r8xF (F:) observed residues (from ATOM records)
latcygpvsadvmakaenirllildvdgvlsdgliymgnngeelkafnvrdgygircalt
sdievaiitgrkaklvedrcatlgithlyqgqsnkliafsdlleklaiapenvayvgddl
idwpvmekvglsvavadahpllipradyvtriaggrgavrevcdllllaqgk