>3i6bA (A:) observed residues (from ATOM records)
slatcygpvsadvmakaenirllildvdgvlsdgliymgnngeelkafnvrdgygircal
tsdievaiitgrkaklvedrcatlgithlyqgqsnkliafsdlleklaiapenvayvgdd
lidwpvmekvglsvavadahpllipradyvtriaggrgavrevcdllllaqgk