>2c13B (B:) observed residues (from ATOM records)
sftpanraypytrlrrnrrddfsrrlvrenvltvddlilpvfvldgvnqresipsmpgve
rlsidqllieaeewvalgipalalfpvtpvekksldaaeaynpegiaqratralrerfpe
lgiitdvaldpftthgqdgildddgyvlndvsidvlvrqalshaeagaqvvapsdmmdgr
igairealesaghtnvrvmaysaxyasayygpfrdavgsasgnkatyqmdpansdealhe
vaadlaegadmvmvxpgmpyldivrrvkdefraptfvyqvsgeyamhmgaiqngwlaesv
ilesltafkragadgiltyfakqaaeqlrrg