>5xnl1 (1:) observed residues (from ATOM records)
gspwygpdrvkylgpfsgespsyltgefpgdygwdtaglsadpetfsknrelevihsrwa
mlgalgcvfpellsrngvkfgeavwfkagsqifseggldylgnpslvhaqsilaiwatqv
ilmgavegyriaggplgevvdplypggsfdplgladdpeafaelkvkelkngrlamfsmf
gffvqaivtgkgplenladhlsdpvnnnawsyatnfvpg