>1rgqA (A:) observed residues (from ATOM records) qvegevqivstatqtflatcingvcwtvyhgagtrtiaspkgpviqmytnvdqdlvgwpa pqgsrsltpctcgssdlylvtrhadvipvrrrgdsrgsllsprpisylkgssggpllcpa ghavglfraavctrgvtkavdfipvenlettmrs