牛胰岛素是牛胰脏中胰岛β-细胞所分泌的一种调节糖代谢的蛋白质激素,是一种多肽. Sigma相关产品资料: Sigma-Aldrich I5500 Insulin from bovine pancreas ≥27 USP units/mg (HPLC), powder CAS Number: 11070-73-8 Linear Formula: C254H377N65O75S6 Molecular Weight: 5733.49 EC Number: 234-291-2 MDL number: MFCD00131380 Description Frequently Asked Questions Live Chat and Frequently Asked Questions are available for this Product. Biochem/physiol Actions Two-chain polypeptide hormone produced by the β-cells of pancreatic islets. Its molecular weight is ~5800 Da. The α and β chains are joined by two interchain disulfide bonds. The α chain contains an intrachain disulfide bond. Insulin regulates the cellular uptake, utilization, and storage of glucose, amino acids, and fatty acids and inhibits the breakdown of glycogen, protein, and fat. 性质 form powder cation traces Zn: ~0.5% storage temp. −20°C |