>4nf0F (F:) observed residues (from ATOM records)
pvvikfshvvsddtpkgkgallfkklaeerlpgkvkvevypnstlfgdadeiealrankv
qmlatslskfepytkqlqvfdlpflfddlealkrfqkrdksrellrsmakhgiyglaywn
ngmkqlsatrelhrpddakglvfriqpssvleaqfamlgatakqlsyaetlkamqagsvq
gtentwsnlagqkidsvqpyitetnhgalsymlitssafwtgipyqtrtelesivdevtl
vvnkeaealnqkerehllaagksrlvslsaeeheawrnamkplwknye