>1rzuB (B:) observed residues (from ATOM records)
mnvlsvsseiypliktggladvvgalpialeahgvrtrtlipgypavkaavtdpvkcfef
tdllgekadllevqherldllildapayyersggpylgqtgkdypdnwkrfaalslaaar
igagvlpgwrpdmvhahdwqaamtpvymryaetpeipslltihniafqgqfganifskla
lpahafgmegieyyndvsflkgglqtatalstvspsyaeeiltaefgmglegvigsrahv
lhgivngidadvwnpatdhlihdnysaanlknralnkkavaehfridddgsplfcvisrl
twqkgidlmaeavdeivslggrlvvlgagdvalegallaaasrhhgrvgvaigyneplsh
lmqagcdaiiipsrfepcgltqlyalrygcipvvartggladtvidanhaalaskaatgv
qfspvtldglkqairrtvryyhdpklwtqmqklgmksdvsweksaglyaalysqlisk