>5lbuB (B:) observed residues (from ATOM records)
gkkvlivyahqepksfngslknvavdelsrqgctvtvsdlyamnlepratdkditgtlsn
pevfnygvetheaykqrslasditdeqkkvreadlvifqfplywfsvpailkgwmdrvlc
qgfafdipgfydsgllqgklallsvttggtaemytktgvngdsryflwplqhgtlhfcgf
kvlapqisfapeiaseeerkgmvaawsqrlqtiwkeepipctahwhfg