>5z18B (B:) observed residues (from ATOM records)
leyselypiqneyrmmqsldgmwkfqfdpeeigkksgwenglpapvsmpvpssfadfftd
hkerdycgdfwyetefylpaewrnkkiwlrfgsithrgtvycngmeitsheggflpvlad
istvakpgqvnqvvvkinnelnetslpcgatkilnngrklakpyfdffnysglqrsvwvi
alpeesvkdysvdyelcgtdalvkyevvttgehpvivrlldaegelvaetegkegilqva
narlwevrnaylyqivilitdgngvldeyrekigirtvriegtkillndrpvylkgfgkh
edfpilgrgfhwgivkrdfeclkwtnancfrtshypyaeewyqfadeegfliidevpavg
mmrstytyffealtvpellkshiadteemitrdknhpsviawslfnepetitdyayeyfk
evfaaaetydfqsrpmtgafeknskpelckcyplcdficlnryygwyisggpeieeaeel
frdemdrwkakelnvpfvftefgtdtmaglhklpsimwseeyqkeylemnfrvfdsyefv
qgelawnfadfqttegimrvdgnhkgvftrdrqpkaaavvfkdrwe