>1rpqB (B:) observed residues (from ATOM records)
kpkvslnppwnrifkgenvtltcngnvsstkwfhngslseetnsslnivnakfedsgeyk
cqhqqvnesepvylevfsdwlllqasaevvmegqplflrchgwrnwdvykviyykdgeal
kywyenhnisitnatvedsgtyyctgkvwqldyeseplnitvik