>2c15B (B:) observed residues (from ATOM records)
sftpanraypytrlrrnrrddfsrrlvrenvltvddlilpvfvldgvnqresipsmpgve
rlsidqllieaeewvalgipalalfpvtpvekksldaaeaynpegiaqratralrerfpe
lgiitdvaldpftthgqdgildddgyvlndvsidvlvrqalshaeagaqvvapsdmmdgr
igairealesaghtnvrvmaysakyasayygpfrdavgsnkatyqmdpansdealhevaa
dlaegadmvmvxpgmpyldivrrvkdefraptfvyqvsgeyamhmgaiqngwlaesvile
sltafkragadgiltyfakqaaeqlrrg