>2f4vC (C:) observed residues (from ATOM records)
gnkihpigfrlgitrdwesrwyagkkqyrhllledqrirgllekelysaglarvdieraa
dnvavtvhvakpgvvigrggerirvlreelakltgknvalnvqevqnpnlsaplvaqrva
eqierrfavrraikqavqrvmesgakgakvivsgriggaeqartewaaqgrvplhtlran
idygfalarttygvlgvkayiflgev