>1a1rA (A:) observed residues (from ATOM records)
vegevqivstatqtflatcingvcwtvyhgagtrtiaspkgpviqmytnvdqdlvgwpap
qgsrsltpctcgssdlylvtrhadvipvrrrgdsrgsllsprpisylkgssggpllcptg
havglfraavctrgvakavdfipvenlettmr