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TRIM21 cell lysate

Human TRIM21 Baculovirus-Insect Overexpression Lysate

Gene Names
TRIM21; SSA; RO52; SSA1; RNF81; Ro/SSA
Applications
Western Blot
Synonyms
TRIM21; Human TRIM21 Baculovirus-Insect Overexpression Lysate; Human TRIM21 Insect Cell Lysate (WB positive control); tripartite motif containing 21; Human RNF81 Overexpression Lysate; Human Ro/SSA Overexpression Lysate; Human RO52 Overexpression Lysate; Human SSA Overexpression Lysate; Human SSA1 Overexpression Lysate; TRIM21 cell lysate
Ordering
For Research Use Only!
Host
Baculovirus-Insect Cells
Form/Format
1x Sample Buffer (1x modified RIPA buffer+1x SDS loading buffer).
Modified RIPA Lysis Buffer: 50 mM Tris-HCl pH 7.4, 150 mM NaCl, 1mM EDTA, 1% Triton X-100, 0.1% SDS, 1% Sodium deoxycholate, 1mM PMSF.
Sequence Positions
494aa
Sequence
Met1-Tyr475
Applicable Applications for TRIM21 cell lysate
Western Blot (WB)
Application Notes
WB: Use at an assay dependent dilution.
Species
Human
Recommend Usage
1. Centrifuge the tube for a few seconds and ensure the pellet at the bottom of the tube.2. Re-dissolve the pellet using 200uL pure water and boil for 2-5 min.
3. Store the lyophilized cell lysate at 4 degree C. After re-dissolution, recommend to aliquot it into smaller quantities and store at -80 degree C.
Sequence Construction
A DNA sequence encoding the human TRIM21 (NP_003132.2) (Met1-Tyr475) was expressed with a polyhistidine tag at the N-terminus.
Preparation Method
Cell lysate was prepared by homogenization in ice-cold modified RIPA Lysis Buffer with cocktail of protease inhibitors. Cell debris was removed by centrifugation. Protein concentration was determined by Bradford assay (protein assay, Microplate Standard assay). The cell lysate was boiled for 5 min in 1 x SDS loading buffer (50mM Tris-HCl pH 6.8, 12.5% glycerol, 1% sodium dodecylsulfate, 0.01% bromophenol blue) containing 5% b-mercaptoethanol, and lyophilized.
Preparation and Storage
Store at 4 degree C for up to twelve months from date of receipt. After re-dissolution, aliquot and store at -80 degree C for up to twelve months. Avoid repeated freeze-thaw cycles.
Samples are stable for up to twelve months from date of receipt.
Related Product Information for TRIM21 cell lysate
This Human TRIM21 overexpression lysate was created in Baculovirus-Insect Cells and intented for use as a Western blot (WB) positive control. Purification of TRIM21 protein from the overexpression lysate was verified.

NCBI and Uniprot Product Information

NCBI GI #
NCBI GeneID
NCBI Accession #
NCBI GenBank Nucleotide #
UniProt Accession #
NCBI Official Full Name
E3 ubiquitin-protein ligase TRIM21
NCBI Official Synonym Full Names
tripartite motif containing 21
NCBI Official Symbol
TRIM21
NCBI Official Synonym Symbols
SSA; RO52; SSA1; RNF81; Ro/SSA
NCBI Protein Information
E3 ubiquitin-protein ligase TRIM21; 52 kDa Ro protein; 52 kDa ribonucleoprotein autoantigen Ro/SS-A; RING finger protein 81; Sicca syndrome antigen A; Sjogren syndrome antigen A1 (52kDa, ribonucleoprotein autoantigen SS-A/Ro); ro(SS-A); sjoegren syndrome
UniProt Protein Name
E3 ubiquitin-protein ligase TRIM21
UniProt Gene Name
TRIM21
UniProt Synonym Gene Names
RNF81; RO52; SSA1; SS-A
UniProt Entry Name
RO52_HUMAN

NCBI Description

This gene encodes a member of the tripartite motif (TRIM) family. The TRIM motif includes three zinc-binding domains, a RING, a B-box type 1 and a B-box type 2, and a coiled-coil region. The encoded protein is part of the RoSSA ribonucleoprotein, which includes a single polypeptide and one of four small RNA molecules. The RoSSA particle localizes to both the cytoplasm and the nucleus. RoSSA interacts with autoantigens in patients with Sjogren syndrome and systemic lupus erythematosus. Alternatively spliced transcript variants for this gene have been described but the full-length nature of only one has been determined. [provided by RefSeq, Jul 2008]

Uniprot Description

TRIM21: E3 ubiquitin-protein ligase whose activity is dependent on E2 enzymes, UBE2D1, UBE2D2, UBE2E1 and UBE2E2. Forms a ubiquitin ligase complex in cooperation with the E2 UBE2D2 that is used not only for the ubiquitination of USP4 and IKBKB but also for its self-ubiquitination. Component of cullin-RING-based SCF (SKP1-CUL1-F-box protein) E3 ubiquitin-protein ligase complexes such as SCF(SKP2)-like complexes. A TRIM21-containing SCF(SKP2)- like complex is shown to mediate ubiquitination of CDKN1B ('Thr- 187' phosphorylated-form), thereby promoting its degradation by the proteasome. Monoubiquitinates IKBKB that will negatively regulates Tax-induced NF-kappa-B signaling. Negatively regulates IFN-beta production post-pathogen recognition by polyubiquitin- mediated degradation of IRF3. Mediates the ubiquitin-mediated proteasomal degradation of IgG1 heavy chain, which is linked to the VCP-mediated ER-associated degradation (ERAD) pathway. Promotes IRF8 ubiquitination, which enhanced the ability of IRF8 to stimulate cytokine genes transcription in macrophages. Plays a role in the regulation of the cell cycle progression. Enhances the decapping activity of DCP2. Exists as a ribonucleoprotein particle present in all mammalian cells studied and composed of a single polypeptide and one of four small RNA molecules. At least two isoforms are present in nucleated and red blood cells, and tissue specific differences in RO/SSA proteins have been identified. The common feature of these proteins is their ability to bind HY RNAs.2. Belongs to the TRIM/RBCC family. 2 isoforms of the human protein are produced by alternative splicing.

Protein type: Ubiquitin conjugating system; EC 6.3.2.-; Ligase; Ubiquitin ligase

Chromosomal Location of Human Ortholog: 11p15.5

Cellular Component: nucleoplasm; cytoplasm; SCF ubiquitin ligase complex; cytosol; nucleus; ribonucleoprotein complex

Molecular Function: identical protein binding; protein binding; DNA binding; zinc ion binding; RNA binding; ubiquitin-protein ligase activity; ligase activity

Biological Process: protein monoubiquitination; regulation of interferon type I production; negative regulation of viral transcription; protein autoubiquitination; protein polyubiquitination; positive regulation of virion penetration into host cell; protein destabilization; inhibition of NF-kappaB transcription factor; cytokine and chemokine mediated signaling pathway; positive regulation of interferon type I production; protein ubiquitination; innate immune response; positive regulation of cell cycle; positive regulation of transcription factor activity; cell cycle

Research Articles on TRIM21

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Product Notes

The TRIM21 trim21 (Catalog #AAA8115711) is a Cell Lysate produced from Baculovirus-Insect Cells and is intended for research purposes only. The product is available for immediate purchase. The immunogen sequence is 494aa. AAA Biotech's TRIM21 can be used in a range of immunoassay formats including, but not limited to, Western Blot (WB). WB: Use at an assay dependent dilution. Researchers should empirically determine the suitability of the TRIM21 trim21 for an application not listed in the data sheet. Researchers commonly develop new applications and it is an integral, important part of the investigative research process. The amino acid sequence is listed below: Met1-Tyr47 5. It is sometimes possible for the material contained within the vial of "TRIM21, Cell Lysate" to become dispersed throughout the inside of the vial, particularly around the seal of said vial, during shipment and storage. We always suggest centrifuging these vials to consolidate all of the liquid away from the lid and to the bottom of the vial prior to opening. Please be advised that certain products may require dry ice for shipping and that, if this is the case, an additional dry ice fee may also be required.

Precautions

All products in the AAA Biotech catalog are strictly for research-use only, and are absolutely not suitable for use in any sort of medical, therapeutic, prophylactic, in-vivo, or diagnostic capacity. By purchasing a product from AAA Biotech, you are explicitly certifying that said products will be properly tested and used in line with industry standard. AAA Biotech and its authorized distribution partners reserve the right to refuse to fulfill any order if we have any indication that a purchaser may be intending to use a product outside of our accepted criteria.

Disclaimer

Though we do strive to guarantee the information represented in this datasheet, AAA Biotech cannot be held responsible for any oversights or imprecisions. AAA Biotech reserves the right to adjust any aspect of this datasheet at any time and without notice. It is the responsibility of the customer to inform AAA Biotech of any product performance issues observed or experienced within 30 days of receipt of said product. To see additional details on this or any of our other policies, please see our Terms & Conditions page.

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