>1xruB (B:) observed residues (from ATOM records)
gsamdvrqsihsahaktldtqglrneflvekvfvadeytmvyshidriivggimpitktv
svggevgkqlgvsyflerrelgviniggagtitvdgqcyeighrdalyvgkgakevvfas
idtgtpakfyyncapahttyptkkvtpdevspvtlgdnltsnrrtinkyfvpdvletcql
smgltelapgnlwntmpchtherrmevyfyfnmdddacvfhmmgqpqetrhivmhneqav
ispswsihsgvgtkaytfiwgmvgenqvfddmdhvavkeic