Recombinant Human Phosphatidylinositol 3,4,5-trisphosphate-dependent Rac exchanger 2 protein (PREX2), partial

Code CSB-YP741122HU
MSDS
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Source Yeast
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Code CSB-EP741122HU
MSDS
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Source E.coli
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Code CSB-EP741122HU-B
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Source E.coli
Conjugate Avi-tag Biotinylated
E. coli biotin ligase (BirA) is highly specific in covalently attaching biotin to the 15 amino acid AviTag peptide. This recombinant protein was biotinylated in vivo by AviTag-BirA technology, which method is BriA catalyzes amide linkage between the biotin and the specific lysine of the AviTag.
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Code CSB-BP741122HU
MSDS
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Source Baculovirus
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Code CSB-MP741122HU
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Source Mammalian cell
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Product Details

Purity
>85% (SDS-PAGE)
Target Names
Uniprot No.
Alternative Names
4; 5)-dependent Rac exchanger 2; 5-trisphosphate-dependent Rac exchanger 2 protein; 6230420N16Rik; DEP domain-containing protein 2; DEP.2; DEPDC2; FLJ12987; P-Rex2; Phosphatidylinositol 3; phosphatidylinositol 3,4,5-trisphosphate-dependent Rac exchanger 2; phosphatidylinositol 3,4,5-trisphosphate-dependent Rac exchanger 2 protein; phosphatidylinositol-3,4,5-trisphosphate-dependent Rac exchange factor 2; PREX2; PREX2_HUMAN; PtdIns(3; PtdIns(3,4,5)-dependent Rac exchanger 2
Species
Homo sapiens (Human)
Protein Length
Partial
Tag Info
Tag type will be determined during the manufacturing process.
The tag type will be determined during production process. If you have specified tag type, please tell us and we will develop the specified tag preferentially.
Form
Lyophilized powder
Note: We will preferentially ship the format that we have in stock, however, if you have any special requirement for the format, please remark your requirement when placing the order, we will prepare according to your demand.
Buffer before Lyophilization
Tris/PBS-based buffer, 6% Trehalose.
Reconstitution
We recommend that this vial be briefly centrifuged prior to opening to bring the contents to the bottom. Please reconstitute protein in deionized sterile water to a concentration of 0.1-1.0 mg/mL.We recommend to add 5-50% of glycerol (final concentration) and aliquot for long-term storage at -20℃/-80℃. Our default final concentration of glycerol is 50%. Customers could use it as reference.
Troubleshooting and FAQs
Storage Condition
Store at -20°C/-80°C upon receipt, aliquoting is necessary for mutiple use. Avoid repeated freeze-thaw cycles.
Shelf Life
The shelf life is related to many factors, storage state, buffer ingredients, storage temperature and the stability of the protein itself.
Generally, the shelf life of liquid form is 6 months at -20°C/-80°C. The shelf life of lyophilized form is 12 months at -20°C/-80°C.
Lead Time
Delivery time may differ from different purchasing way or location, please kindly consult your local distributors for specific delivery time.
Note: All of our proteins are default shipped with normal blue ice packs, if you request to ship with dry ice, please communicate with us in advance and extra fees will be charged.
Notes
Repeated freezing and thawing is not recommended. Store working aliquots at 4°C for up to one week.
Datasheet
Please contact us to get it.

Customer Reviews and Q&A

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Target Background

Function
Functions as a RAC1 guanine nucleotide exchange factor (GEF), activating Rac proteins by exchanging bound GDP for free GTP. Its activity is synergistically activated by phosphatidylinositol 3,4,5-trisphosphate and the beta gamma subunits of heterotrimeric G protein. Mediates the activation of RAC1 in a PI3K-dependent manner. May be an important mediator of Rac signaling, acting directly downstream of both G protein-coupled receptors and phosphoinositide 3-kinase.
Gene References into Functions
  1. Study demonstrates that miR-637 inhibites melanoma cell proliferation by activation of AKT signaling pathway and induces apoptosis through regulation of Bcl-2/Bax expression via targeting P-REX2a. PMID: 30213289
  2. MiR-338-3p suppresses the TNF-alpha-induced lipogenesis in sebocytes by targeting PREX2a and down-regulating PI3K/AKT signaling. PMID: 28597147
  3. complex signaling mechanisms that involve PREX2, PI3K/AKT/PTEN and downstream epigenetic machinery to deregulate expression of key cell cycle regulators PMID: 27111337
  4. PREX2 was identified as a frequently mutated gene in human melanoma. .. mutation of PREX2 can accelerate human melanoma growth. PMID: 28100393
  5. The rapid tumor onset observed in this replication attempt, compared to the original study, makes the detection of accelerated tumor growth in PREX2 expressing NRAS(G12D) melanocytes extremely difficult. PMID: 28100394
  6. Elevated PREX2 protein expression is associated with pathogenesis of hepatocellular carcinoma. PMID: 28205209
  7. knockdown of PREX2a may effectively inhibit the malignant phenotype of glioma. PMID: 26795161
  8. The results of the present study suggested that PREX2a may act as an oncogene in osteosarcoma via the inhibition of PTEN activity and activation of PI3K signaling. PMID: 26718453
  9. findings identify PREX2 as a mediator of NRAS-mutant melanoma development that acts through the PI3K/PTEN/Akt pathway to regulate gene expression of a cell cycle regulator PMID: 26884185
  10. second messengers activate the Rac1 signal, which sets in motion a cascade whereby PAKs phosphorylate and negatively regulate PREX2 to decrease Rac1 activation. PMID: 26438819
  11. PREX2 mutants are likely selected in cancer to escape PTEN-mediated inhibition of invasion. PMID: 25829446
  12. CXCL9 is involved in the invasion ability of hepatocellular carcinoma cells possibly through up-regulation of its potential effector PREX2. PMID: 25151370
  13. Results demonstrate that miR-338-3p affects gastric cancer progression through PTEN-AKT signaling by targeting P-Rex2a in gastric cancer cells PMID: 24375644
  14. P-REX2 PH-domain-mediated inhibition of PTEN has a role in regulating insulin sensitivity and glucose homeostasis PMID: 24367090
  15. MiR-338-3p affects the PTEN/Akt pathway by down-regulating PREX2a. PMID: 24140344
  16. Analysis of whole-genome sequence data identified PREX2 (phosphatidylinositol-3,4,5-trisphosphate-dependent Rac exchange factor 2)--a PTEN-interacting protein and negative regulator of PTEN in breast cancer--as a significantly mutated gene with a mutation frequency of approximately 14% in an independent extension cohort of 107 human melanomas PMID: 22622578
  17. suggests that aberrant control of PTEN by P-REX2a may represent a key tumorigenic mechanism, in agreement with recent studies supporting the pathological relevance of several other proposed PTEN regulators PMID: 19861688
  18. P-REX2 may serve as a novel link between Rac activation and the PI-3 kinase pathway. PMID: 15304342
  19. P-Rex2 is a 183 kDa protein that activates the small GTPase Rac and is regulated by phosphatidylinositol (3,4,5)-trisphosphate. PMID: 15304343
  20. the pleckstrin homology domain of the Dbl family guanine nucleotide exchange factor P-Rex2 has a role in substrate specificity and recognition PMID: 15897194
  21. identified P-REX2a as a PTEN-interacting protein; P-REX2a inhibited PTEN lipid phosphatase activity & stimulated the PI3K pathway only in the presence of PTEN; P-REX2a is a component of the PI3K pathway that can antagonize PTEN in cancer cells PMID: 19729658

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Tissue Specificity
Isoform 1 is highly expressed in skeletal muscle, heart and placenta, absent from peripheral blood leukocytes. Isoform 2 is expressed in skeletal muscle, kidney, small intestine, and placenta. Isoform 3 is expressed in the heart.
Database Links

HGNC: 22950

OMIM: 612139

KEGG: hsa:80243

STRING: 9606.ENSP00000288368

UniGene: Hs.169943

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