>2pzyB (B:) observed residues (from ATOM records)
pqfhvksglqikknaiiddykvtsqvlglgingkvlqifnkrtqekfalkmlqdcpkarr
evelhwrasqcphivrivdvyenlyagrkcllivmecldggelfsriqdrgdqafterea
seimksigeaiqylhsiniahrdvkpenllytskrpnailkltdfgfakettpyyvapev
lgpekydkscdmwslgvimyillcgyppfysgmktrirmgqyefpnpewsevseevkmli
rnllkteptqrmtitefmnhpwimqstkvpqtplhtsrvlked