KALLISTA IMAGES / CUSTOM MEDICAL STOCK PHOTO / SCIENCE PHOTO LIBRARY KALLISTA IMAGES / CUSTOM MEDICAL STOCK PHOTO / SCIENCE PHOTO LIBRARY
Molecular model of glycosylated (or glycated) haemoglobin (haemoglobin A1c, or HbA1c), a form of haemoglobin used primarily to identify the average plasma glucose concentration over prolonged periods of time. In this rendering of the structure, based upon the Protein Database (PDB) entry 3B75, the sugar groups are shown as red, and haem groups are shown as grey with central iron ions green. The protein backbone of the haemoglobin is shown in blue as a ribbon.
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