>1kbuB (B:) observed residues (from ATOM records)
tsdevrknlmdmfrdrqafsehtwkmllsvcrswaawcklnnrkwfpaepedvrdyllyl
qarglavktiqqhlgqlnmlhrrsglprpsdsnavslvmrrirkenvdagerakqalafe
rtdfdqvrslmensdrcqdirnlaflgiayntllriaeiarirvkdisrtdggrmlihig
rtktlvstagvekalslgvtklverwisvsgvaddpnnylfcrvrkngvaapsatsqlst
ralegifeathrliygakddsgqrylawsghsarvgaardmaragvsipeimqaggwtnv
nivmnyirnlgamvrlled