>2ikbB (B:) observed residues (from ATOM records)
dkfnqfinrvlsheggyanhpkdpggetnwgitkrtaqangyngsmramtreqaisiyrk
afweryradqmpeavafqffdacvnhgygnaarmlqraagvpddgvigavslkainslpe
ndlllrfnaerlvfytklkgwvrrvaqnlihasa