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RNF8 Rabbit pAb  (Cat.#:AYP19079)

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Host: RabbitClonality: PolyclonalReactivity: HumanWBIF/ICC
Cat.# AYP19079
Target / gene RNF8
Host Rabbit
Clonality Polyclonal
Reactivity Human
Application WB, IF/ICC

Cat.#:AYP19079

SizePrice
50ul ¥1150.00 Add to cart
100ul ¥2100.00 Add to cart
  • Information

  • Application guide

  • Related products

  • Immunogen

  • Target data

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Reactivity Human
Host Rabbit
Clonality Polyclonal
Isotype IgG
Application WBIF/ICC
Dilution WB: 1:500 - 1:2000
IF/ICC: 1:50 - 1:200
Predicted MW 10kDa/50kDa/55kDa
Observed MW 10kDa/50kDa/55kDa
Format Liquid
Storage Store at -20℃. Avoid freeze / thaw cycles.
Buffer: PBS with 0.02% sodium azide,50% glycerol,pH7.3.
Conjugate Unconjugated
Positive HeLa,Jurkat,Mouse brain,Mouse liver,Rat brain
Subcellular Chromosome,Midbody,Nucleus,telomere
Purification Affinity purification

Applications and conditions

Where to start

These starting conditions come from the recommended dilution, validation images, and general assay practice. Titrate for your sample and detection system.

WB Conditions for WB
Recommended dilution 1:500 - 1:2000
Suggested sample / positive control HeLa,Jurkat,Mouse brain,Mouse liver,Rat brain
Key conditions Use a fresh lysate, incubate at the recommended dilution, and check the predicted and observed molecular weight
Expected result Expected signal or band near 10kDa/50kDa/55kDa
Controls Include a positive sample, a negative sample, and a secondary or isotype control
IF/ICC Conditions for IF/ICC
Recommended dilution 1:50 - 1:200
Suggested sample / positive control HeLa,Jurkat,Mouse brain,Mouse liver,Rat brain
Key conditions Optimize fixation, permeabilization, and blocking, and include a secondary-only control
Expected result Expected fluorescence localization: Chromosome,Midbody,Nucleus,telomere
Controls Include a positive sample, a negative sample, and a secondary or isotype control

Related products

More associated products >>

Immunogen

Immunogen Recombinant fusion protein containing a sequence corresponding to amino acids 1-260 of human RNF8 (NP_003949.1).
Sequence
View sequence
MGEPGFFVTGDRAGGRSWCLRRVGMSAGWLLLEDGCEVTVGRGFGVTYQLVSKICPLMISRNHCVLKQNPEGQWTIMDNKSLNGVWLNRARLEPLRVYSIHQGDYIQLGVPLENKENAEYEYEVTEEDWETIYPCLSPKNDQMIEKNKELRTKRKFSLDELAGPGAEGPSNLKSKINKVSCESGQPVKSQGKGEVASTPSDNLDPKLTALEPSKTTGAPIYPGFPKVTEVHHEQKASNSSASQRSLQMFKVTMSRILRLK

Target data

Background The protein encoded by this gene contains a RING finger motif and an FHA domain. This protein has been shown to interact with several class II ubiquitin-conjugating enzymes (E2), including UBE2E1/UBCH6, UBE2E2, and UBE2E3, and may act as an ubiquitin ligase (E3) in the ubiquitination of certain nuclear proteins. This protein is also known to play a role in the DNA damage response and depletion of this protein causes cell growth inhibition and cell cycle arrest. Alternative splicing results in multiple transcript variants.
Gene ID 9025
Gene name RNF8
Swiss O76064
Synonym RNF8,hRNF8,RNF8 Rabbit pAb,RING finger protein 8,RING-type E3 ubiquitin transferase RNF8,KIAA0646
Expression Ubiquitous. In fetal tissues, highest expression in brain, thymus and liver. In adult tissues, highest levels in brain and testis, lowest levels in peripheral blood cells.
Functions E3 ubiquitin-protein ligase that plays a key role in DNA damage signaling via 2 distinct roles: by mediating the 'Lys-63'-linked ubiquitination of histones H2A and H2AX and promoting the recruitment of DNA repair proteins at double-strand breaks (DSBs) sites, and by catalyzing 'Lys-48'-linked ubiquitination to remove target proteins from DNA damage sites. Following DNA DSBs, it is recruited to the sites of damage by ATM-phosphorylated MDC1 and catalyzes the 'Lys-63'-linked ubiquitination of histones H2A and H2AX, thereby promoting the formation of TP53BP1 and BRCA1 ionizing radiation-induced foci (IRIF). Also controls the recruitment of UIMC1-BRCC3 (RAP80-BRCC36) and PAXIP1/PTIP to DNA damage sites. Also recruited at DNA interstrand cross-links (ICLs) sites and catalyzes 'Lys-63'-linked ubiquitination of histones H2A and H2AX, leading to recruitment of FAAP20/C1orf86 and Fanconi anemia (FA) complex, followed by interstrand cross-link repair. H2A ubiquitination also mediates the ATM-dependent transcriptional silencing at regions flanking DSBs in cis, a mechanism to avoid collision between transcription and repair intermediates. Promotes the formation of 'Lys-63'-linked polyubiquitin chains via interactions with the specific ubiquitin-conjugating UBE2N/UBC13 and ubiquitinates non-histone substrates such as PCNA. Substrates that are polyubiquitinated at 'Lys-63' are usually not targeted for degradation. Also catalyzes the formation of 'Lys-48'-linked polyubiquitin chains via interaction with the ubiquitin-conjugating UBE2L6/UBCH8, leading to degradation of substrate proteins such as CHEK2, JMJD2A/KDM4A and KU80/XRCC5: it is still unclear how the preference toward 'Lys-48'- versus 'Lys-63'-linked ubiquitination is regulated but it could be due to RNF8 ability to interact with specific E2 specific ligases. For instance, interaction with phosphorylated HERC2 promotes the association between RNF8 and UBE2N/UBC13 and favors the specific formation of 'Lys-63'-linked ubiquitin chains. Promotes non-homologous end joining (NHEJ) by promoting the 'Lys-48'-linked ubiquitination and degradation the of KU80/XRCC5. Following DNA damage, mediates the ubiquitination and degradation of JMJD2A/KDM4A in collaboration with RNF168, leading to unmask H4K20me2 mark and promote the recruitment of TP53BP1 at DNA damage sites (PubMed:11322894, PubMed:14981089, PubMed:17724460, PubMed:18001824, PubMed:18001825, PubMed:18006705, PubMed:18077395, PubMed:18337245, PubMed:18948756, PubMed:19015238, PubMed:19124460, PubMed:19202061, PubMed:19203578, PubMed:19203579, PubMed:20550933, PubMed:21558560, PubMed:21857671, PubMed:21911360, PubMed:22266820, PubMed:22373579, PubMed:22531782, PubMed:22705371, PubMed:22865450, PubMed:22980979). Following DNA damage, mediates the ubiquitination and degradation of POLD4/p12, a subunit of DNA polymerase delta. In the absence of POLD4, DNA polymerase delta complex exhibits higher proofreading activity (PubMed:23233665). In addition to its function in damage signaling, also plays a role in higher-order chromatin structure by mediating extensive chromatin decondensation. Involved in the activation of ATM by promoting histone H2B ubiquitination, which indirectly triggers histone H4 'Lys-16' acetylation (H4K16ac), establishing a chromatin environment that promotes efficient activation of ATM kinase. Required in the testis, where it plays a role in the replacement of histones during spermatogenesis. At uncapped telomeres, promotes the joining of deprotected chromosome ends by inducing H2A ubiquitination and TP53BP1 recruitment, suggesting that it may enhance cancer development by aggravating telomere-induced genome instability in case of telomeric crisis. Promotes the assembly of RAD51 at DNA DSBs in the absence of BRCA1 and TP53BP1 Also involved in class switch recombination in immune system, via its role in regulation of DSBs repair. May be required for proper exit from mitosis after spindle checkpoint activation and may regulate cytokinesis. May play a role in the regulation of RXRA-mediated transcriptional activity. Not involved in RXRA ubiquitination by UBE2E2 (PubMed:11322894, PubMed:14981089, PubMed:17724460, PubMed:18001824, PubMed:18001825, PubMed:18006705, PubMed:18077395, PubMed:18337245, PubMed:18948756, PubMed:19015238, PubMed:19124460, PubMed:19202061, PubMed:19203578, PubMed:19203579, PubMed:20550933, PubMed:21558560, PubMed:21857671, PubMed:21911360, PubMed:22266820, PubMed:22373579, PubMed:22531782, PubMed:22705371, PubMed:22865450, PubMed:22980979).

Resources

Validation data

1 images

Validation images at the top of the page cover WB / IF/ICC.

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FAQs

Listed applications: WB, IF/ICC. Use the validation images and recommended dilution as a starting point.
Send the catalog number and lot through the inquiry form. Support will help with the lot documents.
Use the recommended conditions as a starting concentration. Sample, fixation, and detection system may need a titration.

Protocols

Protocols
AYP19079