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17 Ιουλ 2023 · Glucose serves as the major precursor for the synthesis of different carbohydrates like glycogen, ribose, deoxyribose, galactose, glycolipids, glycoproteins, and proteoglycans. On the contrary, in plants, glucose is synthesized from carbon dioxide and water (photosynthesis) and stored as starch.
21 Σεπ 2021 · For example, insulin is a protein hormone that maintains blood glucose levels. Proteins have different shapes and molecular weights; some proteins are globular in shape whereas others are fibrous in nature. For example, hemoglobin is a globular protein, but collagen, found in our skin, is a fibrous protein. Protein shape is critical to its ...
25 Μαΐ 2023 · Blood–brain barrier (BBB) is a natural protective membrane that prevents central nervous system (CNS) from toxins and pathogens in blood. However, the presence of BBB complicates the...
12 Απρ 2024 · Glycosylation, mediated by enzymes, attaches polysaccharides to proteins during biosynthesis, influencing protein folding and function. In contrast, glycation involves non-enzymatic attachment of glucose to proteins, and this occurs randomly in the intra- and extracellular spaces.
Hemoglobin A1c is a glycated form of hemoglobin (it is formed by a nonenzymatic chemical process where glucose binds to hemoglobin and not by an enzymatic glycosylation). The first step in the chemical reaction is the formation of an aldimine which is unstable (labile).
1 Φεβ 2014 · Hemoglobin A 1c (HbA 1c), also called glycosylated hemoglobin, is a hemoglobin compound produced when glucose reacts with the amino group on a hemoglobin molecule forming a ketoamine.
Hemoglobin (Hb) is the most studied of the heme containing globulin proteins and yet is not fully understood. It was one of the first proteins to be studied by X-ray crystallography, and earned Max Perutz the Nobel Prize in Chemistry in 1962.
