>5b1aQ (Q:) observed residues (from ATOM records) svvksedyalpsyvdrrdyplpdvahvknlsasqkalkekekaswsslsidekvelyrlk fkesfaemnrstnewktvvgaamffigftallliwekhyvygpiphtfeeewvakqtkrm ldmkvapiqgfsakwdydknewkk