>4zloB (B:) observed residues (from ATOM records)
ileklrsivsvkkkytrfekigqvytamgqevaikqmeliineilvmrenknpnivnyld
syvvmeylaggsltdvvtetcmdegqiaavcreclqaleflhsnqvihrdiksdnillgm
dgsvkltdfgfcaqitpeqskrstmvgtpywmapevvtrkaygpkvdiwslgimaiemie
geppylnenplralyliatngtpelqnpeklsaifrdflnrclemdvekrgsakellqhq
flkiakplssltpliaaakeatkn