>4dc0B (B:) observed residues (from ATOM records)
matqdsevalvtgatsgigleiarrlgkeglrvfvcargeeglrttlkelreagveadgr
tcdvrsvpeiealvaavverygpvdvlvnnagrpgggataeladelwldvvetnltgvfr
vtkqvlkaggmlergtgrivniastggkqgvvhaapysaskhgvvgftkalglelartgi
tvnavcpgwvetpmaasvrehysdiwevsteeafdritarvpigryvqpsevaemvayli
gpgaaavtaqalnvcgglgny