>1v7lA (A:) observed residues (from ATOM records)
mittgkvwkfgddistdeitpgrynltkdpkelakiafievrpdfarnvrpgdvvvagkn
fgigssresaalalkalgiagviaesfgrifyrnainigiplllgkteglkdgdlvtvnw
etgevrkgdeilmfepledflleivreggileyirrrgdlci