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Rabbit Anti-PTP1B/PE-Cy5 Conjugated antibody (bs-0182R-PE-Cy5) ~~~促销,代码KX240301~~~
订购热线:400-901-9800
订购邮箱:sales@bioss.com.cn
订购QQ:  400-901-9800
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说 明 书: 100ul  
100ul/2980.00元
大包装/询价
产品编号 bs-0182R-PE-Cy5
英文名称 Anti-PTP1B/PE-Cy5
中文名称 PE-Cy5标记的蛋白酪氨酸磷酸酶-1B抗体
别    名 PTP-1B; Non receptor tyrosine phosphatase 1; Protein tyrosine phosphatase 1B; Protein-tyrosine phosphatase 1B; Protein tyrosine phosphatase non receptor type 1; Protein tyrosine phosphatase placental; PTP 1B; PTPN 1; PTPN1; Tyrosine protein phosphatase non receptor type 1; PTP-HA2; Protein-tyrosine phosphatase HA2; PTN1_HUMAN.  
规格价格 100ul/2980元 购买        大包装/询价
说 明 书 100ul  
研究领域 细胞生物  神经生物学  信号转导  激酶和磷酸酶  
抗体来源 Rabbit
克隆类型 Polyclonal
交叉反应 Human,  (predicted: Mouse, Rat, Pig, Cow, Horse, Rabbit, )
产品应用 Flow-Cyt=1:50-200 ICC=1:50-200 IF=1:50-200 
not yet tested in other applications.
optimal dilutions/concentrations should be determined by the end user.
分 子 量 48kDa
性    状 Lyophilized or Liquid
浓    度 1mg/ml
免 疫 原 KLH conjugated synthetic peptide derived from human PTP-1B C-terminus
亚    型 IgG
纯化方法 affinity purified by Protein A
储 存 液 0.01M TBS(pH7.4) with 1% BSA, 0.03% Proclin300 and 50% Glycerol.
保存条件 Store at -20 °C for one year. Avoid repeated freeze/thaw cycles. The lyophilized antibody is stable at room temperature for at least one month and for greater than a year when kept at -20°C. When reconstituted in sterile pH 7.4 0.01M PBS or diluent of antibody the antibody is stable for at least two weeks at 2-4 °C.
产品介绍 background:
PTP1B is the prototypic member of the protein tyrosine phosphatase (PTP) family, which comprises at least 37 proteins. The family is characterized by a catalytic phosphatase domain of approximately 240 amino acids, and includes both transmembrane and cytosolic enzymes. The PTPs have high substrate specificity for phosphotyrosyl proteins. At the primary sequence level, PTPs share little similarity with the protein serine phosphatases, protein threonine phosphatases, or the acid and alkaline phosphatases. PTP1B is a negative regulator of insulin and leptin signal transduction and is a drug discovery target in the fields of diabetes and obesity. Insulin also influences the expression of splice variants of PTP1B.
PTP1B also interacts with Insulin and EGF receptors, and undergoes phosphorylation after receptor stimulation. Tyrosine phosphorylation at Tyr-66, Tyr-152, and Tyr-153 occurs after insulin receptor activation, and tyrosine phosphorylation of Tyr-152 may be required for interactions with N-Cadherin. In addition, Akt can phosphorylate Ser-50 and this phosphorylation can reduce PTP1B activity.

Function:
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

Subunit:
Interacts with EPHA3 (phosphorylated); dephosphorylates EPHA3 and may regulate its trafficking and function.

Subcellular Location:
Endoplasmic reticulum membrane; Peripheral membrane protein; Cytoplasmic side. Note=Interacts with EPHA3 at the cell membrane.

Tissue Specificity:
Most abundant in testis. Also found in kidney, spleen, muscle, liver, heart and brain.

Post-translational modifications:
Ser-50 is the major site of phosphorylation as compared to Ser-242 and Ser-243. Activated by phosphorylation at Ser-50.
S-nitrosylation of Cys-215 inactivates the enzyme activity.
Sulfhydration at Cys-215 following endoplasmic reticulum stress inactivates the enzyme activity, promoting EIF2AK3/PERK activity.

Database links:

Entrez Gene: 5770 Human

Entrez Gene: 19246 Mouse

Entrez Gene: 24697 Rat

Omim: 176885 Human

SwissProt: P18031 Human

SwissProt: P35821 Mouse

SwissProt: P20417 Rat

Unigene: 417549 Human

Unigene: 277916 Mouse

Unigene: 11317 Rat



Important Note:
This product as supplied is intended for research use only, not for use in human, therapeutic or diagnostic applications.

蛋白酪氨酸磷酸酶1B(PTP1B)是一种胰岛素信号的负性调节因子,与肥胖症和2型糖尿病的发病及发展关系密切。对P-tyr基因敲除小鼠的研究表明,缺失PTP1B小鼠的胰岛素敏感性明显增加,并对肥胖有一定的抵抗作用,而另一些对动物和人体的研究结果却与此相反,发现PTP1B可通过引起胰岛素抵抗、瘦素抵抗及影响脂代谢等而导致肥胖症和2型糖尿病的发生。一些特异性的Ptyr小分子抑制剂已经开发并用于肥胖和糖尿病的治疗中。
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