>1v1tB (B:) observed residues (from ATOM records)
dprevilckdqdgkiglrlksidngifvqlvqanspaslvglrfgdqvlqingencagws
sdkahkvlkqafgekitmtirdrpfertitmhkdstghvgfifkngkitsivkdssaarn
glltehniceingqnviglkdsqiadilstsgtvvtitimpa