The carbohydrate moiety in hemoglobin A1C is present in the ring form.
D002236:Carbohydrate Conformation; D002241:Carbohydrates / Q000032:analysis; D005914:Globins; D006442:Glycated Hemoglobin; D006441:Hemoglobin A; D006801:Humans; D013053:Spectrophotometry
D002241:Carbohydrates; D005914:Globins; D006442:Glycated Hemoglobin; D006441:Hemoglobin A