>2rh4B (B:) observed residues (from ATOM records)
lvprgshmatqdsevalvtgatsgigleiarrlgkeglrvfvcargeeglrttlkelrea
gveadgrtcdvrsvpeiealvaavverygpvdvlvnnagrpgggataeladelwldvvet
nltgvfrvtkqvlkaggmlergtgrivniastggkqgvvhaapysaskhgvvgftkalgl
elartgitvnavcpgfvetpmaasvrehysdiwevsteeafdritarvpigryvqpseva
emvayligpgaaavtaqalnvcgglgny