Recombinant Mouse E3 Ubiquitin-Protein Ligase Mdm2 (MDM2) Protein (His)

Name: Recombinant Mouse E3 Ubiquitin-Protein Ligase Mdm2 (MDM2) Protein (His)
Brand: Beta LifeScience
SKU: BLC-04682P
Availability: InStock

Greater than 90% as determined by SDS-PAGE.

Collections: All products, High-quality recombinant proteins, Other recombinant proteins

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Product Overview

Description	Recombinant Mouse E3 Ubiquitin-Protein Ligase Mdm2 (MDM2) Protein (His) is produced by our E.coli expression system. This is a full length protein.
Purity	Greater than 90% as determined by SDS-PAGE.
Uniprotkb	P23804
Target Symbol	MDM2
Synonyms	Mdm2; E3 ubiquitin-protein ligase Mdm2; EC 2.3.2.27; Double minute 2 protein; Oncoprotein Mdm2; RING-type E3 ubiquitin transferase Mdm2; p53-binding protein Mdm2
Species	Mus musculus (Mouse)
Expression System	E.coli
Tag	N-6His
Target Protein Sequence	MCNTNMSVSTEGAASTSQIPASEQETLVRPKPLLLKLLKSVGAQNDTYTMKEIIFYIGQYIMTKRLYDEKQQHIVYCSNDLLGDVFGVPSFSVKEHRKIYAMIYRNLVAVSQQDSGTSLSESRRQPEGGSDLKDPLQAPPEEKPSSSDLISRLSTSSRRRSISETEENTDELPGERHRKRRRSLSFDPSLGLCELREMCSGGSSSSSSSSSESTETPSHQDLDDGVSEHSGDCLDQDSVSDQFSVEFEVESLDSEDYSLSDEGHELSDEDDEVYRVTVYQTGESDTDSFEGDPEISLADYWKCTSCNEMNPPLPSHCKRCWTLRENWLPDDKGKDKVEISEKAKLENSAQAEEGLDVPDGKKLTENDAKEPCAEEDSEEKAEQTPLSQESDDYSQPSTSSSIVYSSQESVKELKEETQDKDESVESSFSLNAIEPCVICQGRPKNGCIVHGKTGHLMSCFTCAKKLKKRNKPCPVCRQPIQMIVLTYFN
Expression Range	1-489aa
Protein Length	Full Length
Mol. Weight	58.6kDa
Research Area	Others
Form	Liquid or Lyophilized powder
Buffer	Liquid form: default storage buffer is Tris/PBS-based buffer, 5%-50% glycerol. Lyophilized powder form: the buffer before lyophilization is Tris/PBS-based buffer, 6% Trehalose, pH 8.0.
Reconstitution	Briefly centrifuged the vial prior to opening to bring the contents to the bottom. Reconstitute protein in deionized sterile water to a concentration of 0.1-1.0 mg/mL. It is recommended to add 5-50% of glycerol (final concentration) and aliquot for long-term storage at -20°C/-80°C. The default final concentration of glycerol is 50%.
Storage	1. Store at -20°C/-80°C upon receipt, aliquoting is necessary for mutiple use. 2. Avoid repeated freeze-thaw cycles. 3. Store working aliquots at 4°C for up to one week. 4. In general, protein in liquid form is stable for up to 6 months at -20°C/-80°C. Protein in lyophilized powder form is stable for up to 12 months at -20°C/-80°C.
Notes	Repeated freezing and thawing is not recommended. Store working aliquots at 4°C for up to one week.

Target Details

Target Function	E3 ubiquitin-protein ligase that mediates ubiquitination of p53/TP53, leading to its degradation by the proteasome. Inhibits p53/TP53- and p73/TP73-mediated cell cycle arrest and apoptosis by binding its transcriptional activation domain. Also acts as a ubiquitin ligase E3 toward itself, ARRB1 and ARBB2. Permits the nuclear export of p53/TP53. Promotes proteasome-dependent ubiquitin-independent degradation of retinoblastoma RB1 protein. Inhibits DAXX-mediated apoptosis by inducing its ubiquitination and degradation. Component of the TRIM28/KAP1-MDM2-p53/TP53 complex involved in stabilizing p53/TP53. Also component of the TRIM28/KAP1-ERBB4-MDM2 complex which links growth factor and DNA damage response pathways. Mediates ubiquitination and subsequent proteasome degradation of DYRK2 in nucleus. Ubiquitinates IGF1R and SNAI1 and promotes them to proteasomal degradation. Ubiquitinates DCX, leading to DCX degradation and reduction of the dendritic spine density of olfactory bulb granule cells. Ubiquitinates DLG4, leading to proteasomal degradation of DLG4 which is required for AMPA receptor endocytosis. Negatively regulates NDUFS1, leading to decreased mitochondrial respiration, marked oxidative stress, and commitment to the mitochondrial pathway of apoptosis. Binds NDUFS1 leading to its cytosolic retention rather than mitochondrial localization resulting in decreased supercomplex assembly (interactions between complex I and complex III), decreased complex I activity, ROS production, and apoptosis.
Subcellular Location	Nucleus, nucleoplasm. Cytoplasm. Nucleus, nucleolus. Nucleus.
Protein Families	MDM2/MDM4 family
Database References	KEGG: mmu:17246 STRING: 10090.ENSMUSP00000020408 UniGene: PMID: 30131393 To investigate whether MDM2C462A, which retains p53 binding, has p53-suppressing activity, we generated Mdm2C462A/C462A;p53ER/- mice. Adult Mdm2-null mice died approximately 7 days after tamoxifen-induced p53 activation, indicating that in the absence of MDM2, MDMX cannot suppress p53. p53 activity is higher in the presence of MDM2C462A than in the absence of MDM2. PMID: 29123033 These results show that ischemic preconditioning increased neuronal MDM2 protein levels, which prevented ischemia-induced p53 stabilization and neuronal death. PMID: 29371613 the disruption of Mdm2/p53 interaction affects the early-embryonic otic progenitor cells and their descendants. PMID: 28181574 E2F6 suppresses Mdm2 expression in cells harboring the SNP309G allele but not the SNP309T allele. PMID: 28925402 the MDM2-p53-PC signalling axis links mitochondrial metabolism to insulin secretion and glucose homeostasis, and could represent a therapeutic target in diabetes. PMID: 27265727 Selective dysregulation of Mdm2 and Mdm4 alternative splicing underlies p53 anti-repression and motor neuron death in a mouse model of spinal muscular atrophy. PMID: 30012555 Aging mouse models have revealed the complexity of the p53-Mdm2 axis and have solidly placed the p53 network as being key to many aspects of both pathological aging conditions and normal aging (review). PMID: 29192902 The results indicated that simultaneously knocking down MDM2 and overexpressing p53 was able to inhibit proliferation and induce G1 cell cycle arrest in H1299 cells, compared with either alone. PMID: 29039579 These results illustrate the importance of the cooperative activities of p53 and Mdm2 in a network of miRNAs that function to impose a barrier against aberrant cardiomyocyte cell cycle re-entry to maintain cardiac homeostasis. PMID: 28745540 c-Abl phosphorylation of Mdm2 has a role in regulation of p53 tumor suppression and bone marrow failure PMID: 27956626 Bre enhances osteoblastic differentiation by promoting the Mdm2-mediated degradation of p53. PMID: 28436570 genetic and biochemical data support a role for Mdm2 in cardiac growth control through the regulation of p53, the Pgc-1 family of transcriptional coactivators and the pivotal antioxidant Pink1 PMID: 29267372 The availability of large-scale genomic profiling datasets, like those from The Cancer Genome Atlas Research Network, have provided the opportunity to evaluate the consequences of MDM2 amplification and SNP inheritance across high-quality tumor samples from diverse cancer indications. [review] PMID: 27194168 findings document contrasting effects of ATM-Mdm2 signaling on p53 tumor suppression and reveal that destabilizing Mdm2 by promoting its phosphorylation by ATM would be effective in treating oncogene-induced malignancies. PMID: 27568562 the existence of an unusual functional interplay between STATs and CREB at the onset of adipogenesis through shared CRTC cofactors, is reported. PMID: 27362806 Mdm2 expression is required for cell survival even in the absence of p53. Moreover, results suggest that p73 compensates for loss of p53. PMID: 28576884 In Fmr1 KO neurons, Mdm2 is hyperphosphorylated, nuclear localized basally, and unaffected by MEF2 activation, which our data suggest due to an enhanced interaction with Eukaryotic Elongation Factor 1alpha (EF1alpha), whose protein levels are elevated in Fmr1 KO. Expression of a dephosphomimetic of Mdm2 rescues PSD-95 ubiquitination, degradation and synapse elimination in Fmr1 KO neurons. PMID: 28025327 MDM2 is a non-redundant survival factor for proximal tubular cells by protecting them from spontaneous p53 overexpression-related cell death. PMID: 27882940 The case emphasizes that MDM2 expression represents a possible pitfall in the diagnosis of spindle cell tumors. The differential diagnostic distinction between FDCS and a dedifferentiated liposarcoma is discussed. PMID: 27271257 MDM2 is involved in fibroblast activation, mediating renal tubulointerstitial fibrosis via a p53-independent pathway dependant on Notch1 ubiquitination and proteasome degradation. PMID: 28100501 These findings suggest that Mdm2 splice isoforms may play critical roles in the regulatory loop of p53/Mdm2-Mdm4 via a RING domain-mediated biochemical mechanism. PMID: 28166445 both MDM2 and MDMX deletion-caused pancreatic defects are completely rescued by loss of p53, verifying the crucial role of the MDM2 and/or MDMX in regulating p53 in a spatio-temporal manner during the development, functional maintenance, and related disease progress of endocrine pancreas. PMID: 28118981 Vif stabilization by CBFbeta is mainly caused by impairing MDM2-mediated degradation. PMID: 27758855 These results demonstrated a critical prosurvival role for MDM2 in the oocytes PMID: 27912078 we failed to detect any increase in p53 level in mutant oocytes, nor any other apoptotic marker, introgression of this targeted invalidation in p53-/- mice restored the fertility of females. This study is the first to show that Mdm2, but not Mdm4, has a critical role in oocyte survival and would be involved in premature ovarian insufficiency phenotype. PMID: 27364741 Inhibition of MDM2 re-sensitizes rapamycin resistant renal cancer cells via the activation of p53. PMID: 27825169 Inactivation of Mdm2 in sertoli cells triggers p53 activation and apoptosis as early as 15.5 days post conception with a significant increase in apoptosis. PMID: 26470726 These findings elucidate a critical role of Mdm2-p53-Nedd4-2 signaling underlying the regulation of neural network synchrony and seizure susceptibility. PMID: 27000207 These studies demonstrate that Mdm2 holds promise as a therapeutic target in combination with conventional therapy and may lead to new clinical therapies for Triple-negative breast cancers . PMID: 26494859 there is a fine tuned balance in the interaction of ribosomal proteins with the MDM2/p53 axis which is important in normal hematopoiesis. PMID: 27042854 Study showed that demonstrate that Mdm2 intertwines the mammalian target of RAPA, mTOR, and the receptor kinase GRK2 in regulating the desensitization/inactivation of the GPR17 receptor PMID: 26228571 MDM2 mediates p73 ubiquitination PMID: 26025930 MDM2 supports the PRC2 mediated repression of lineage-specific genes in stem cells, independent of p53. PMID: 26748827 physiological activation of the 5S RNP-Mdm2-p53 pathway may contribute to functional decline of the hematopoietic system in a cell-autonomous manner over time. PMID: 25987256 Ribosomal proteins L11 and L5 activate TAp73 by overcoming MDM2 inhibition. PMID: 25301064 The Mdm2(SNP309-)(G) allele significantly impacts CRC through mechanisms outside the p53 pathway. PMID: 25435368 MDM2 maintains homeostasis and long survival in podocytes preventing apoptosis. PMID: 25349197 our results show MDM4-MDM2/p53-IGF1R as an original regulatory mechanism for CNS regeneration PMID: 25981963 Mir-660 inhibits lung tumorigenesis by targeting MDM2-p53 interaction. PMID: 25501825 L-GILZ stabilizes p53 proteins by decreasing p53 ubiquitination and increasing MDM2 ubiquitination. PMID: 25168242 Interaction of BAI1 with the N-terminus (AA 1-200) of MDM2 in the brain modulates PSD-95 levels and thereby regulates synaptic plasticity. PMID: 25751059 Mdm2regulates entry into myogenesis by targeting CEBPb for degradation by the 26 S proteasome. PMID: 25720496 Src phosphorylation converts Mdm2 from a ubiquitinating to a neddylating E3 ligase. PMID: 25624478 Data show that NEDD4-1 E3 ligase as a novel component of the tumor suppressor protein p53/proto-oncogene proteins c-mdm2 regulatory feedback loop that controls p53 activity during stress responses. PMID: 24413081 Restoration of wild-type p53 expression in Mdm2-overexpressing tumors suppresses tumor growth. PMID: 24598047 results reveal a novel p53- and Mdm2-independent oncogenic function of Mdmx that provides new insight into the many cancers that overexpress Mdmx. PMID: 24608433 both MDM2 and MDMX are required for monitoring p53 activity during lens development, and they may function independently or synergistically to control p53 and maintain normal lens morphogenesis PMID: 25263199 The regulation of Mdm2 by the E3 ubiquitin ligase APC/C is shown. It has important therapeutic implications for tumors with Mdm2 overexpression. PMID: 24804778 TSLP induces mast cell development and aggravates allergic reactions through the activation of MDM2 and STAT6. PMID: 24751726

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Proteins are sensitive to heat, and freeze-drying can preserve the activity of the majority of proteins. It improves protein stability, extends storage time, and reduces shipping costs. However, freeze-drying can also lead to the loss of the active portion of the protein and cause aggregation and denaturation issues. Nonetheless, these adverse effects can be minimized by incorporating protective agents such as stabilizers, additives, and excipients, and by carefully controlling various lyophilization conditions.

Commonly used protectant include saccharides, polyols, polymers, surfactants, some proteins and amino acids etc. We usually add 8% (mass ratio by volume) of trehalose and mannitol as lyoprotectant. Trehalose can significantly prevent the alter of the protein secondary structure, the extension and aggregation of proteins during freeze-drying process; mannitol is also a universal applied protectant and fillers, which can reduce the aggregation of certain proteins after lyophilization.

Our protein products do not contain carrier protein or other additives (such as bovine serum albumin (BSA), human serum albumin (HSA) and sucrose, etc., and when lyophilized with the solution with the lowest salt content, they often cannot form A white grid structure, but a small amount of protein is deposited in the tube during the freeze-drying process, forming a thin or invisible transparent protein layer.

Reminder: Before opening the tube cap, we recommend that you quickly centrifuge for 20-30 seconds in a small centrifuge, so that the protein attached to the tube cap or the tube wall can be aggregated at the bottom of the tube. Our quality control procedures ensure that each tube contains the correct amount of protein, and although sometimes you can't see the protein powder, the amount of protein in the tube is still very precise.

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