RNF74 Polyclonal Antibody

CAT: 0498-bs-6941R-01Size: 20 µLDry Ice: NoHazardous: No
CAT#:0498-bs-6941R-01Size:20 µL
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Background
Catalytic 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. In the RAG complex, RAG1 mediates the DNA-binding to the conserved recombination signal sequences (RSS) and catalyzes the DNA cleavage activities by introducing a double-strand break between the RSS and the adjacent coding segment. RAG2 is not a catalytic component but is required for all known catalytic activities. DNA cleavage 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 addition to its endonuclease activity, RAG1 also acts as a E3 ubiquitin-protein ligase that mediates monoubiquitination of histone H3. Histone H3 monoubiquitination is required for the joining step of V (D) J recombination.
Synonyms
RAG-1; RNF74; V (D) J recombination-activating protein 1; RING finger protein 74; RAG1
Gene ID
5896
Swiss Prot
P15918
Cellular Locus
Nucleus
Host
Rabbit
Cross Reactivity
Mouse
Immunogen
351-450/1043
Target
RNF74
Clonality
Polyclonal
Isotype
IgG
Conjugation
Unconjugated
Source
KLH conjugated synthetic peptide derived from human RAG1/RNF74
Applications
WB, ELISA, FCM, IHC-P, IHC-F, IF (IHC-P), IF (IHC-F), IF (ICC)
Purification
Purified by Protein A.
Concentration
1µg/µl
Dilution
WB (1:300-5000), ELISA (1:500-1000), FCM (1:20-100), IHC-P (1:200-400), IHC-F (1:100-500), IF (IHC-P) (1:50-200), IF (IHC-F) (1:50-200), IF (ICC) (1:50-200)
Buffer
0.01M TBS (pH7.4) with 1% BSA, 0.02% Proclin300 and 50% Glycerol.
Modification
Unmodified
Storage Conditions
Shipped at 4C. Store at -20C for one year. Avoid repeated freeze/thaw cycles.
Gene ID URL
5896
Predicted Cross Reactivity
Human, Rat, Sheep, Pig

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