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RAG2 Antibody (C-term) Blocking peptide
Synthetic peptide
- SPECIFICATION
- CITATIONS
- PROTOCOLS
- BACKGROUND
| Primary Accession | P55895 |
|---|---|
| Clone Names | 100311195 |
| Gene ID | 5897 |
|---|---|
| Other Names | V(D)J recombination-activating protein 2, RAG-2, RAG2 |
| Format | Peptides are lyophilized in a solid powder format. Peptides can be reconstituted in solution using the appropriate buffer as needed. |
| Storage | Maintain refrigerated at 2-8°C for up to 6 months. For long term storage store at -20°C. |
| Precautions | This product is for research use only. Not for use in diagnostic or therapeutic procedures. |
| Name | RAG2 |
|---|---|
| Function | Core component of the RAG complex, a multiprotein complex that mediates the DNA cleavage phase during V(D)J recombination. V(D)J recombination assembles a diverse repertoire of immunoglobulin and T- cell receptor genes in developing B and T-lymphocytes through rearrangement of different V (variable), in some cases D (diversity), and J (joining) gene segments. DNA cleavage by the RAG complex occurs in 2 steps: a first nick is introduced in the top strand immediately upstream of the heptamer, generating a 3'-hydroxyl group that can attack the phosphodiester bond on the opposite strand in a direct transesterification reaction, thereby creating 4 DNA ends: 2 hairpin coding ends and 2 blunt, 5'-phosphorylated ends. The chromatin structure plays an essential role in the V(D)J recombination reactions and the presence of histone H3 trimethylated at 'Lys-4' (H3K4me3) stimulates both the nicking and haipinning steps. The RAG complex also plays a role in pre-B cell allelic exclusion, a process leading to expression of a single immunoglobulin heavy chain allele to enforce clonality and monospecific recognition by the B-cell antigen receptor (BCR) expressed on individual B-lymphocytes. The introduction of DNA breaks by the RAG complex on one immunoglobulin allele induces ATM- dependent repositioning of the other allele to pericentromeric heterochromatin, preventing accessibility to the RAG complex and recombination of the second allele. In the RAG complex, RAG2 is not the catalytic component but is required for all known catalytic activities mediated by RAG1. It probably acts as a sensor of chromatin state that recruits the RAG complex to H3K4me3 (By similarity). |
| Cellular Location | Nucleus. |
| Tissue Location | Cells of the B- and T-lymphocyte lineages. |
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Provided below are standard protocols that you may find useful for product applications.
Background
This gene encodes a protein that is involved in theinitiation of V(D)J recombination during B and T cell development.This protein forms a complex with the product of the adjacentrecombination activating gene 1, and this complex can formdouble-strand breaks by cleaving DNA at conserved recombinationsignal sequences. The recombination activating gene 1 component isthought to contain most of the catalytic activity, while theN-terminal of the recombination activating gene 2 component isthought to form a six-bladed propeller in the active core thatserves as a binding scaffold for the tight association of thecomplex with DNA. A C-terminal plant homeodomain finger-like motifin this protein is necessary for interactions with chromatincomponents, specifically with histone H3 that is trimethylated atlysine 4. Mutations in this gene cause Omenn syndrome, a form ofsevere combined immunodeficiency associated with autoimmune-likesymptoms.
References
Davila, S., et al. Genes Immun. 11(3):232-238(2010)Couedel, C., et al. J. Clin. Invest. 120(4):1337-1344(2010)Hosgood, H.D. III, et al. Occup Environ Med 66(12):848-853(2009)Liang, X.S., et al. Br. J. Haematol. 146(4):418-423(2009)Ameratunga, R., et al. N. Z. Med. J. 122(1304):46-53(2009)
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