GalNAc-T3，可溶性片段，人類重組-GalNAc-T3, soluble fragment, Human Recombinant代理/參數/廠家-重組蛋白-艾美捷科技有限公司

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背景資料: Polypeptide N-acetylgalactosaminyltransferase 3 (GalNAc-T3) catalyzes the transfer of N-acetylgalactosamine (GalNAc) from UDP-GalNAc to the hydroxyl group of serine and threonine residues. Twenty GalNAc-T genes have been identified in humans and most have been shown to represent active GalNAc-Ts. All isoforms are type II transmembrane proteins, with different but partly overlapping substrate preferences. The GalNAc-Ts control the initiation of mucin-type O-linked glycosylation and determine the location and density of O-glycans in a protein. Addition of GalNAc to an unglycosylated Ser/Thr residue creates the Tn antigen GalNAcα1-S/T, and subsequent addition of sialic acid by ST6GalNAc-I forms the cancer associated STn antigen. GalNAc-T3 is highly expressed in pancreas and testis, and weakly expressed in a few other organs such as placenta. The expression levels of GalNAc-T3 were found to be upregulated in highly differentiated types of adenocarcinoma cell lines as opposed to less differentiated types. Overexpression of GalNAc-T3 has also been found to promote pancreatic cancer cell growth. Mutations in GalNAc-T3 were found to be involved in familial tumoral calcinosis, which may be mediated through glycosylation of fibroblast growth factor 23, protecting it from proteolytic cleavage. GalNAc-T3 has a preference for mono- or diglycosylated substrates.

序列: 提供的GalNAc-T3，可溶性片段，人類重組GalNAc-T3, soluble fragment, Human Recombinant是Biovision品牌中國區域總代理艾美捷科技產品，具體的蛋白序列可查看提供的英文版本產品說明書。

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其他: BioVision的公司總部在美麗的舊金山灣地區，它是全球生命科學公司的Leader，BioVision在開發和研究細胞凋亡檢測分析、代謝檢測方面具有卓越的影響力.包括檢測各種檢測分析試劑盒、相關特色抗體、重組蛋白及細胞因子和酶等多種產品，以及其他創新的研究工具.其產品覆蓋細胞凋亡研究、能量代謝、細胞/組織蛋白提取、氧化應激與損傷、代謝與肥胖癥、細胞增殖與毒性、信號轉導、干細胞研究等領域.作為多家知名品牌的中國總代理以及中國區域代理，艾美捷與BioVision一起為研究者們提供優質、新的細胞生物學研究工具而不斷擴大產品及服務質量.