Native proteins are polypeptides structurally and functionally preserved in their natural state and are generally purified directly from the blood or tissue of a specified organism. Thus native proteins will feature characteristics that reflect the in vivo conditions of their host tissue and organism. These biological features may include protein modifications like glycosylation and phosphorylation, cleavage patterns, isoforms, and other protein associations. Native proteins and polypeptides may be preferred over recombinant proteins in work pertaining to in vivo environments. For example, for antibodies intended to interact with targets in vivo, using native protein antigens will more closely resemble the in vivo state. Visit the protein supplier page for more information, including details on purification and validation.
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- Triplehelical domain of chicken sternum collagen type II. Gnd-HCl extraction, pepsin digestion, saltprecipitation, ion ...
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- Chicken
- Equine chorionic gonadotropin (eCG) is a gonadotropic hormone produced in the chorion of pregnant mares. Most commonly ...
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- Equine
- Cancer Antigen 125 (CA125) is a surface antigen associated with epithelial ovarian cancer. In serum, CA125 is associated...
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- Human
- Cancer Antigen 19-9 is a tumor marker elevated in blood of patients with carcinoma of the gastro-intestinal tract. ...
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- Human
- CA-242 is a tumor marker for sialylated Lewis carbohydrates associated with adenocarcinomas and e-selectin mediated ...
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- Human
- The CA-50 tumor marker test measures the blood level of cancer antigen 50, which is a carbohydrate present on the ...
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- Human
- Elevated CA 72-4 levels in serum and plasma have been reported in various malignant diseases including carcinomas of ...
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- Human
- The transformation of industrial dyes by manganese peroxidases from Bjerkandera adusta is a manganese-independent ...
- Bottomless glass bottle. Contents are inside inserted fused ...
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- Chymotrypsinogen is a proteolytic enzyme and a precursor (zymogen) of the digestive enzyme chymotrypsin. It is a single ...
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- Bovine
- Aprotinin is a competitive serine protease inhibitor that forms stable complexes with and blocks the active sites of ...
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- Bovine
- Chymotrypsinogen is a proteolytic enzyme and a precursor (zymogen) of the digestive enzyme chymotrypsin. It is a single ...
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- Bovine
- Fibrinogen is an acute phase protein that is part of the coagulation cascade of proteins. The end result of the cascade ...
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- Bovine
- Hemoglobin is found in the erythrocytes of all vertebrates. It is a conjugated protein with the prosthetic group heme ...
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- Bovine
- Protein Phosphatase 2A1 is a trimer consisting of the A, B, and C subunits of the PP2A family. It has a total molecular ...
- vial of 1 µg
- Thyroglobulin is a glycoprotein consisting of two polypeptide dimers of molecular weight 330,000. Each molecule contains...
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- Bovine
- Avidin is a tetrameric protein. In chicken egg white, avidin makes up approximately 0.05% of total protein (...
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- Chicken
- Ferritin is a highly specialized protein whose main function is to store excess iron intracellularly. It is widely ...
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- Equine
- Plasminogen activator inhibitor-1 (PAI-1) also known as endothelial plasminogen activator inhibitor or serpin E1 is a ...
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- Erythrina spp
- Annexins form a family of proteins that bind phospholipids in a calcium dependent manner with repeats of 70-80 amino ...
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- Human
- Calprotectin is an important calcium signalling protein involved in wound healing. A complex of both MRP14 and MRP8, ...
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- Human
- Whereas hemoglobin is the carrier of oxygen, myoglobin stores oxygen in the tissues. Like hemoglobin, it also contains a...
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- Human
- Myosins comprise a family of ATP-dependent motor proteins and are best known for their role in muscle contraction and ...
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- Human
- Hemoglobin is found in the erythrocytes of all vertebrates. It is a conjugated protein with the prosthetic group heme ...
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- Human
- Pepsinogen is the zymogen of pepsin. It is processed by autocatalytic cleavage of 44 amino acids to generate active ...
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- Human
- Pepsinogen is the zymogen of pepsin. It is processed by autocatalytic cleavage of 44 amino acids to generate active ...
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- Human
- A proteinaceous inhibitor of the digestive enzyme alpha-amylase (1,4-a-D-Glucan glucanohydrolase; EC 3.2.1.1) has been ...
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- Phaseolus vulgaris
- Pepsinogen is the zymogen of pepsin. It is processed by autocatalytic cleavage of 44 amino acids to generate active ...
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- Porcine
- Trypsin inhibitors are found in a variety of sources, such as soybean, human plasma, lima bean, and bovine pancreas. ...
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- Soybean
- It is mostly white or slightly yellow amorphous powder without odor. It is slightly salty in taste and hygroscopic
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- Swine
- Enolase is a metalloenzyme that catalyzes the interconversion of 2-phosphoglycerate to phosphoenolpyruvate. Enolase is ...
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