>2c3bB (B:) observed residues (from ATOM records)
msqvffdveyapvgtaetkvgrivfnlfdkdvpktaknfrelckrpagegyrestfhrii
pnfmiqggdkkgilsmasqffittavtswldgkhvvfgevadeksysvvkeiealgsssg
svrsntrpkivncgel