Recombinant Human DAXX Protein (1-233 aa), GST-tagged

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Recombinant Human DAXX Protein (1-233 aa), GST-tagged

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Cat.No. : DAXX-1182H
Product Overview : Recombinant Human DAXX Protein (1-233 aa) is produced by E. coli expression system. This protein is fused with a GST tag at the N-terminal. Research Area: Apoptosis. Protein Description: Partial.
Description : Transcription corepressor known to repress transcriptional potential of several sumoylated transcription factors. Down-regulates basal and activated transcription. Its transcription repressor activity is modulated by recruiting it to subnuclear compartments like the nucleolus or PML/POD/ND10 nuclear bodies through interactions with MCSR1 and PML, respectively. Ses to regulate transcription in PML/POD/ND10 nuclear bodies together with PML and may influence TNFRSF6-dependent apoptosis thereby. Inhibits transcriptional activatiopn of PAX3 and ETS1 through direct protein-protein interactions. Modulates PAX5 activity; the function ses to involve CREBBP. Acts as an adapter protein in a MDM2-DAXX-USP7 complex by regulating the RING-finger E3 ligase MDM2 ubiquitination activity. Under non-stress condition, in association with the deubiquitinating USP7, prevents MDM2 self-ubiquitination and enhances the intrinsic E3 ligase activity of MDM2 towards TP53, thereby promoting TP53 ubiquitination and subsequent proteasomal degradation. Upon DNA damage, its association with MDM2 and USP7 is disrupted, resulting in increased MDM2 autoubiquitination and consequently, MDM2 degradation, which leads to TP53 stabilization. Acts as histone chaperone that facilitates deposition of histone H3.3. Acts as targeting component of the chromatin rodeling complex ATRX:DAXX which has ATP-dependent DNA translocase activity and catalyzes the replication-independent deposition of histone H3.3 in pericentric DNA repeats outside S-phase and telomeres, and the in vitro rodeling of H3.3-containing nucleosomes. Does not affect the ATPase activity of ATRX but alleviates its transcription repression activity. Upopn neuronal activation asociates with regulatory elents of selected immediate early genes where it promotes deposition of histone H3.3 which may be linked to transcriptional induction of these genes. Required for the recruitment of histone H3.3:H4 dimers to PML-nuclear bodies (PML-NBs); the process is independent of ATRX and facilitated by ASF1A; PML-NBs are suggested to function as regulatory sites for the incorporation of newly synthesized histone H3.3 into chromatin. In case of overexpression of centromeric histone variant CENPA (as found in various tumors) is involved in its mislocalization to chromosomes; the ectopic localization involves a heterotypic tetramer containing CENPA, and histones H3.3 and H4 and decreases binding of CTCF to chromatin. Proposed to mediate activation of the JNK pathway and apoptosis via MAP3K5 in response to signaling from TNFRSF6 and TGFBR2. Interaction with HSPB1/HSP27 may prevent interaction with TNFRSF6 and MAP3K5 and block DAXX-mediated apoptosis. In contrast, in lymphoid cells JNC activation and TNFRSF6-mediated apoptosis may not involve DAXX. Shows restriction activity towards human cytomegalovirus (HCMV).
Source : E. coli
Species : Human
Tag : GST
Form : Tris-based buffer,50% glycerol
Molecular Mass : 52.7 kDa
Protein length : 1-233 aa
AA Sequence : MATANSIIVL DDDDEDEAAA QPGPSHPLPN AASPGAEAPS SSEPHGARGS SSSGGKKCYK LENEKLFEEF LELCKMQTAD HPEVVPFLYN RQQRAHSLFL ASAEFCNILS RVLSRARSRP AKLYVYINEL CTVLKAHSAK KKLNLAPAAT TSNEPSGNNP PTHLSLDPTN AENTASQSPR TRGSRRQIQR LEQLLALYVA EIRRLQEKEL DLSELDDPDS AYLQEARLKR KLI
Purity : > 90% as determined by SDS-PAGE.
Notes : Repeated freezing and thawing is not recommended. Store working aliquots at 4 centigrade for up to one week.
Storage : 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 centigrade/-80 centigrade. The shelf life of lyophilized form is 12 months at -20 centigrade/-80 centigrade.
Concentration : A hardcopy of COA with reconstitution instruction is sent along with the products. Please refer to it for detailed information.
Figure :

(Tris-Glycine gel) Discontinuous SDS-PAGE (reduced) with 5% enrichment gel and 15% separation gel.

Gene Name : DAXX death-domain associated protein [ Homo sapiens ]
Official Symbol : DAXX
Synonyms : DAXX; DAP6; EAP1; BING2; MGC126245; MGC126246;
Gene ID : 1616
mRNA Refseq : NM_001141969
Protein Refseq : NP_001135441
MIM : 603186
UniProt ID : Q9UER7

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