>1aerB (B:) observed residues (from ATOM records)
flgdggdvsfstrgtqnwtverllqahrqleergyvfvgyhgtfleaaqsivfggvrars
qdldaiwrgfyiagdpalaygyaqdqepdrgrirngallrvyvprsslpgfyrtsltlaa
peaageverlighplplrldaitgprletilgwplaertvvipsaiptdprnvggdldps
sipdkeqaisalpdy