Tripartite motif-containing protein 21 also known as E3 ubiquitin-protein ligase TRIM21 is a protein that in humans is encoded by the TRIM21 gene. It is mapped to 11p15.4. 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.
Formulation
0.5mg/ml if reconstituted with 0.2ml sterile DI water
Host
Rabbit
Immunogen Region
Recombinant human protein (amino acids E12-Y475) was used as the immunogen for the SS-A antibody.
Isotype
IgG
Predicted Reactivity
Human, Mouse, Rat
Reactivity
Human, Mouse, Rat
Recombinant
No
Subcellular Location
Nuclear, cytoplasmic
Uniprot
P19474
Buffer
Lyophilized from 1X PBS with 2% Trehalose and 0.025% sodium azide
Format
Antigen affinity purified
Purification
Affinity purified
Storage
After reconstitution, the SS-A antibody can be stored for up to one month at 4°C. For long-term, aliquot and store at -20°C. Avoid repeated freezing and thawing.
Applications
WB, FACS, IF, Direct ELISA
Dilution
Western blot: 0.5-1ug/ml,Flow cytometry: 1-3ug/million cells,Immunofluorescence: 2-4ug/ml,Direct ELISA: 0.1-0.5ug/ml