全部产品分类
品牌 |
Leading Biology | 货号 |
AMR09642G |
产品分类 |
Monoclonal Antibodies | 研究领域 |
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产品概述 |
We constantly strive to ensure we provide our customers with the best antibodies. As a result of this work we offer this antibody in purified format.
We are in the process of updating our datasheets. If you have any questions regarding this update, please feel free to contact our technical support team.
This product is a high quality PTP1B antibody.
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分子量 |
49967 Da
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细胞定位 |
Antigen Cellular Localization:
Endoplasmic reticulum membrane; Peripheral membrane protein; Cytoplasmic side Note=Interacts with EPHA3 at the cell membrane
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宿主 |
Rabbit
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种属反应性 |
Human
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靶点 |
A synthetic peptide corresponding to residues surrounding serine 386 of human PTP1B was used as an immunogen. This antibody detects both phosphorylated and nonphosphorylated PTP1B.
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克隆号 |
EP1841Y
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通用名 |
PTP1B
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基因ID |
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UniProt ID |
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功能 |
Tyrosine-protein phosphatase which acts as a regulator of endoplasmic reticulum unfolded protein response. Mediates dephosphorylation of EIF2AK3/PERK; inactivating the protein kinase activity of EIF2AK3/PERK. May play an important role in CKII- and p60c-src-induced signal transduction cascades. May regulate the EFNA5-EPHA3 signaling pathway which modulates cell reorganization and cell-cell repulsion. May also regulate the hepatocyte growth factor receptor signaling pathway through dephosphorylation of MET.
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总结 |
The non-transmembrane protein tyrosine phosphatase, PTP1B, comprises 435 amino acids, of which the C-terminal 114 residues have been implicated in controlling both localization and function of this enzyme. Increased phosphorylation of PTP1B is seen to accompany the transition from G2 to M phase of the cell cycle. Immunofluorescence experiments indicate that PTP-1B is localized predominantly in the endoplasmic reticulum (ER). Subcellular fractionation is consistent with this localization and establishes that PTP-1B is tightly associated with microsomal membranes, with its phosphatase domain oriented towards the cytoplasm. The finding of a tyrosine phosphatase on the ER suggests new possibilities for cellular events controlled by tyrosine phosphorylation (2). It has also been shown that PTP1B is a novel substrate for Akt and that phosphorylation of PTP1B by Akt at Ser(50) may negatively modulate its phosphatase activity creating a positive feedback mechanism for insulin signaling (3).
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形式 |
50 mM Tris-Glycine (pH 7.4), 0.15 M NaCl, 40% Glycerol, 0.01% sodium azide and 0.05% BSA.
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储存条件 |
Store at +4°C short term. For long-term storage, aliquot and store at -20°C or below. Stable for 12 months at -20°C. Avoid repeated freeze-thaw cycles.
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应用 |
WB, IHC
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稀释方法 |
WB~~1:2000~10000
IHC~~1:50~100
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别名 |
Tyrosine-protein phosphatase non-receptor type 1, Protein-tyrosine phosphatase 1B, PTP-1B, PTPN1, PTP1B
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图像 |
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说明书 |
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数量 |
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