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- Signalway Antibody
- USA
- AP79331
- 2025年07月16日
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- 详细信息
- 文献和实验
- 技术资料
- 保存条件：
Store at -20˚C
- 英文名：
Histidine-rich glycoprotein
- 库存：
详询
- 供应商：
南京莱富赛
- 规格：
详询
host_species:E.coli
purification:>90% by SDS-PAGE
specificity:Human
other_names:Histidine-proline-rich glycoprotein,HPRG
accession_no:P04196
Gene name:HRG
calculated_mw:12.98
tag info:His
Immunogen Description:137-254AA
formulation:50mM NaH2PO4, 500mM NaCl Buffer with 500mM Imidazole,10%glycerol(PH8.0)
storage:Store at -20C. (Avoid repeated freezing and thawing.)
Repeated freezing and thawing is not recommended. Store working aliquots at 4℃ for up to one week.
background:Plasma glycoprotein that binds a number of ligands such as heme, heparin, heparan sulfate, thrombospondin, plasminogen, and divalent metal ions. Binds heparin and heparin/glycosaminoglycans in a zinc-dependent manner. Binds heparan sulfate on the surface of liver, lung, kidney and heart endothelial cells. Binds to N-sulfated polysaccharide chains on the surface of liver endothelial cells. Inhibits rosette formation. Acts as an adapter protein and is implicated in regulating many processes such as immune complex and pathogen clearance, cell chemotaxis, cell adhesion, angiogenesis, coagulation and fibrinolysis. Mediates clearance of necrotic cells through enhancing the phagocytosis of necrotic cells in a heparan sulfate-dependent pathway. This process can be regulated by the presence of certain HRG ligands such as heparin and zinc ions. Binds to IgG subclasses of immunoglobins containing kappa and lambda light chains with different affinities regulating their clearance and inhibiting the formation of insoluble immune complexes. Tethers plasminogen to the cell surface. Binds T-cells and alters the cell morphology. Modulates angiogenesis by blocking the CD6-mediated antiangiongenic effect of thrombospondins, THBS1 and THBS2. Acts as a regulator of the vascular endothelial growth factor (VEGF) signaling pathway; inhibits endothelial cell motility by reducing VEGF-induced complex formation between PXN/paxillin and ILK/integrin-linked protein kinase and by promoting inhibition of VEGF-induced tyrosine phosphorylation of focal adhesion kinases and alpha-actinins in endothelial cells. Also plays a role in the regulation of tumor angiogenesis and tumor immune surveillance. Normalizes tumor vessels and promotes antitumor immunity by polarizing tumor-associated macrophages, leading to decreased tumor growth and metastasis.
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文献和实验Histidine-Rich Cationic Amphipathic Peptides for Plasmid DNA and siRNA Delivery
Amphipathic, pH-responsive, membrane-active peptides such as LAH4 and derivatives thereof have the ability to effectively deliver genes and small interfering RNA (siRNA) into mammalian cells. Their ability to bind and protect nucleic acids
组氨酸 histidine 碱性α -氨基酸之一。各种蛋白质中都含有 L型组氨酸，也是存在肌肉中的一种肌肽成分。 碱性可与酸反应产生盐，由 Pa-uli反应即和重氮苯磺酸反应产生红色。对人体来说，组氨酸不一定是必需氨基酸，但对鼠和其它动物是必需氨基酸。现在已经知道，在生物体内的主要代谢途径有通过组氨酸脱氨酶进行脱氨，通过脱羧酶形成组胺以及氨基转移反应。生物合成是从 ATP的腺嘌呤部分和磷酸核糖丝磷酸形成咪唑甘油磷酸，进行氨基转换反应。（陈冬兰译）
分子中具有高能键的化合物。在生物体内主要有上式（Ⅰ）和（Ⅱ）两种结构的高能化合物。其作用为贮藏能量（例如 ATP、肌酸磷酸）和作为产生 ATP源的中间代谢产物（例如磷酸烯醇丙酮酸）以及合成反应的中间物质（例如酰基辅酶 A），在蛋白质的结构（ conformation）变化周期的第一阶段上（例如钠钾 ATP酶的羧基磷酸中间体）也具有重要作用。多数高等化合物具有磷酸基，但也有例外。
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