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HRG is a glycoprotein of 70-75kDa present at a relatively high concentration in the plasma of vertebrates.The primary structure of human HRG is predicted to be a 507 amino acid multidomain polypeptide consisting of two cystatin-like regions at the N-terminus, a histidine-rich region (HRR) flanked by proline-rich regions (PRR), and a C-terminal domain. [10]
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Glycoprotein size and composition can vary largely, with carbohydrate composition ranges from 1% to 70% of the total mass of the glycoprotein. [4] Within the cell, they appear in the blood, the extracellular matrix , or on the outer surface of the plasma membrane, and make up a large portion of the proteins secreted by eukaryotic cells. [ 4 ]
Histidine-rich glycoprotein, a plasma protein; Horizontal ribbon growth, a method of crystal growth; HRG, a Rockwell scale of materials' hardness; ... Code of Conduct;
The function of Fetuin-A in the body was determined by gene knockout technology in mice. Knocking out the gene for fetuin-A rendered the mice completely fetuin-A deficient. Feeding a mineral-rich diet to fetuin-A-deficient mice resulted in widespread calcification (ectopic mineralization) of lung, heart, and kidneys in these mice. The ...
Knobloch syndrome – Caused by a mutation in the COL18A1 gene that codes for the production of collagen XVIII. Patients present with protrusion of the brain tissue and degeneration of the retina; an individual who has family members with the disorder is at an increased risk of developing it themselves since there is a hereditary link.
Histidine ball and stick model spinning. Histidine (symbol His or H) [2] is an essential amino acid that is used in the biosynthesis of proteins.It contains an α-amino group (which is in the protonated –NH 3 + form under biological conditions), a carboxylic acid group (which is in the deprotonated –COO − form under biological conditions), and an imidazole side chain (which is partially ...
Cystatins show similarity to fetuins, kininogens, histidine-rich glycoproteins and cystatin-related proteins. [ 2 ] [ 3 ] [ 4 ] Cystatins mainly inhibit peptidase enzymes (another term for proteases ) belonging to peptidase families C1 ( papain family) and C13 ( legumain family).