>2b4sC (C:) observed residues (from ATOM records)
emekefeqidksgswaaiyqdirheasdfpcrvaklpknknrnryrdvspfdhsriklhq
edndyinaslikmeeaqrsyiltqgplpntcghfwemvweqksrgvvmlnrvmslkcaqy
wpqkeekemifedtnlkltlisediksyytvrqlelenlttqetreilhfhyttwpdfgv
pespasflnflfkvresgslspehgpvvvhasagigrsgtfcladtclllmdkrkdpssv
dikkvllemrkfrmgliqtadqlrfsylaviegakfim