>3pcrB (B:) observed residues (from ATOM records)
mrilmlgldaagkttilyklklgqsvttiptvgfnvetvtyknvkfnvwdvggqdkirpl
wrhyytgtqglifvvdcadrdridearqelhriindremrdaiilifankqdlpdamkph
eiqeklgltrirdrnwyvqpscatsgdglyegltwltsny