>1a1rB (B:) SEQRES residues
asmtggqqmgapitayaqqtrgllgciitsltgrdknqvegevqivstatqtflatcing
vcwtvyhgagtrtiaspkgpviqmytnvdqdlvgwpapqgsrsltpctcgssdlylvtrh
advipvrrrgdsrgsllsprpisylkgssggpllcptghavglfraavctrgvakavdfi
pvenlettmrgshhhhhh