>1rc5B (B:) observed residues (from ATOM records)
gmkmleqlekklgytfkdksllekalthvsyskkehyetleflgdalvnffivdllvqys
pnkregflsplkayliseeffnllaqklelhkfirikrgkinetiigdvfealwaavyid
sgrdanftrelfyklfkedilsaikegrh