1. 重组蛋白
  2. Enzymes & Regulators
  3. Transferases (EC 2)
  4. PIP4K2B 蛋白, Human (His)

PIP4K2B 蛋白, Human (His)

目录号: HY-P700597
产品使用指南

PIP4K2B 蛋白积极合成磷脂酰肌醇 4,5-二磷酸,在 PI(5)P 磷酸化中优先选择 GTP 而不是 ATP,酶活性与生理 GTP 水平相关。其独特的 GTP 感应能力对代谢适应至关重要。PIP4K2B 是 PIP4K 的一部分,通过催化独立机制对胰岛素信号传导产生负面影响,与 PIP5K 相互作用抑制 PIP5K 介导的 PtdIns(4,5)P2 合成,阻碍胰岛素依赖性向 PtdIns(3,4,5)P3 的转化。这种多方面的作用强调了 PIP4K2B 在调节细胞稳态和代谢反应的关键信号通路中的重要性。PIP4K2B 蛋白, Human (His) 是重组的 PIP4K2B 蛋白,由 E. coli 表达,带有 N-10*His 标签。PIP4K2B 蛋白, Human (His) 全长 415 个氨基酸,分子量为 53.3 kDa。

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描述

PIP4K2B Protein actively synthesizes phosphatidylinositol 4,5-bisphosphate, preferring GTP over ATP in PI(5)P phosphorylation, with enzymatic activity linked to physiological GTP levels. Its unique GTP-sensing ability critically aids metabolic adaptation. PIP4K2B, part of PIP4Ks, negatively influences insulin signaling via a catalytic-independent mechanism, interacting with PIP5Ks to suppress PIP5K-mediated PtdIns(4,5)P2 synthesis, hindering insulin-dependent conversion to PtdIns(3,4,5)P3. This multifaceted role emphasizes PIP4K2B's significance in modulating key signaling pathways for cellular homeostasis and metabolic responsiveness. PIP4K2B Protein, Human (His) is the recombinant human-derived PIP4K2B protein, expressed by E. coli, with N-10*His labeled tag. The total length of PIP4K2B Protein, Human (His) is 415 a.a., with molecular weight of 53.3 kDa.

研究背景

PIP4K2B 蛋白积极参与磷脂酰肌醇 4,5-二磷酸的生物合成,表明在 PI(5)P 磷酸化中 GTP 优先于 ATP,并且其酶活性与生理 GTP 浓度密切相关。该蛋白质独特的 GTP 感应能力在代谢适应中发挥着关键作用。值得注意的是,PIP4K(包括 PIP4K2B)通过催化独立机制对胰岛素信号传导产生负面调节影响。它们与 PIP5K 形成相互作用,有效抑制 PIP5K 介导的 PtdIns(4,5)P2 合成,并阻止胰岛素依赖性转化为 PtdIns(3,4,5)P3。这种多方面的作用强调了 PIP4K2B 在调节有助于细胞稳态和代谢反应的关键信号通路中的重要性。

种属

Human

表达系统

E. coli

标签

N-10*His

蛋白编号

P78356 (S2-T416)

基因 ID
蛋白结构
N-term
10*His
PIP4K2B (S2-T416)
Accession # P78356
C-term
同用名
PIP4K2B; phosphatidylinositol-5-phosphate 4-kinase, type II, beta; phosphatidylinositol 4 phosphate 5 kinase, type II, beta , PIP5K2B; phosphatidylinositol-5-phosphate 4-kinase type-2 beta; PIP5KIIB; PIP5KIIbeta; PIP4KII-beta; PTDINS(4)P-5-kinase; PI(5)P 4-kinase type II beta; diphosphoinositide kinase 2-beta; ptdIns(5)P-4-kinase isoform 2-beta; 1-phosphatidylinositol-4-phosphate kinase; 1-phosphatidylinositol-5-phosphate 4-kinase 2-beta; phosphatidylinositol-4-phosphate 5-kinase, type II, beta; PI5P4KB; PIP5K2B;
氨基酸序列

SSNCTSTTAVAVAPLSASKTKTKKKHFVCQKVKLFRASEPILSVLMWGVNHTINELSNVPVPVMLMPDDFKAYSKIKVDNHLFNKENLPSRFKFKEYCPMVFRNLRERFGIDDQDYQNSVTRSAPINSDSQGRCGTRFLTTYDRRFVIKTVSSEDVAEMHNILKKYHQFIVECHGNTLLPQFLGMYRLTVDGVETYMVVTRNVFSHRLTVHRKYDLKGSTVAREASDKEKAKDLPTFKDNDFLNEGQKLHVGEESKKNFLEKLKRDVEFLAQLKIMDYSLLVGIHDVDRAEQEEMEVEERAEDEECENDGVGGNLLCSYGTPPDSPGNLLSFPRFFGPGEFDPSVDVYAMKSHESSPKKEVYFMAIIDILTPYDTKKKAAHAAKTVKHGAGAEISTVNPEQYSKRFNEFMSNILT

分子量

53.3 kDa

纯度

Greater than 90% as determined by reducing SDS-PAGE.

内毒素含量

<1 EU/μg, determined by LAL method.

文件资料

PIP4K2B Protein, Human (His) 相关分类

Help & FAQs
  • Do most proteins show cross-species activity?

    Species cross-reactivity must be investigated individually for each product. Many human cytokines will produce a nice response in mouse cell lines, and many mouse proteins will show activity on human cells. Other proteins may have a lower specific activity when used in the opposite species.

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The reconstitution calculator equation

Volume (to add to vial) = Mass (in vial) ÷ Desired Reconstitution Concentration

Volume (to add to vial) = Mass (in vial) ÷ Desired Reconstitution Concentration
= ÷

The dilution calculator equation

Concentration (start) × Volume (start) = Concentration (final) × Volume (final)

This equation is commonly abbreviated as: C1V1 = C2V2

浓度 (start) × 体积 (start) = 浓度 (final) × 体积 (final)
× = ×
C1   V1   C2   V2

The specific activity calculator equation

Specific Activity (Unit/mg) = 106 ÷ Biological Activity (ED50)

Specific Activity (Unit/mg) = 106 ÷ Biological Activity (ED50)
Unit/mg = 106 ÷ ng/mL

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产品名称:
PIP4K2B Protein, Human (His)
目录号:
HY-P700597
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