Depicting Carbohydrate Stereochemistry: Fischer Projections A Fischer projection can have one group held steady while the other three rotate in either a clockwise or a counterclockwise direction Effect is to simply rotate around a single bond Hold steady CHO CHO OH same as HO CH2OH →CH20H H (R)-Glyceraldehyde (R)-Glyceraldehyde▪ A Fischer projection can have one group held steady while the other three rotate in either a clockwise or a counterclockwise direction ▪ Effect is to simply rotate around a single bond Depicting Carbohydrate Stereochemistry: Fischer Projections