>1x7gB (B:) observed residues (from ATOM records)
matqdsevalvtgatsgigleiarrlgkeglrvfvcargeeglrttlkelreagveadgr
tcdvrsvpeiealvaavverygpvdvlvnnagrpgggataeladelwldvvetnltgvfr
vtkqvlkaggmlergtgrivniastggkqgvvhaapysaskhgvvgftkalglelartgi
tvnavcpgfvetpmaasvrefdritarvpigryvqpsevaemvayligpgaaavtaqaln
vcgglgny