Anti-RNF8 Antibody

$99.00$319.00

Reactivity: Human
Applications: ELISA,WB,IHC
Conjugation: Various
Supplier: CUSABIO BIOTECH CO.

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Rabbit Anti-RNF8 Antibody (CSB-PA019898ESR2HU)

Supplier: CUSABIO BIOTECH CO.

Alternative names:

hRNF8 Antibody,RING finger protein 8 Antibody,RNF8 Antibody,KIAA0646 Antibody

More alternative names for the antibody
C3HC4 type zinc finger protein antibody|E3 ubiquitin protein ligase RNF8 antibody|E3 ubiquitin-protein ligase RNF8 antibody|FLJ12013 antibody|KIAA0646 antibody|Ring finger protein (C3HC4 type) 8 antibody|RING finger protein 8 antibody|Ring finger protein 8, E3 ubiquitin protein ligase antibody|RNF 8 antibody|RNF8 antibody|RNF8_HUMAN antibody|UBC13/UEV interacting ring finger protein antibody
Anti-RNF8 antibody (ab105362)
Close sc-271462|sc-49100|sc-133971|

Recommended applications: ELISA, WB, IHC

Recommended dilution: Recommended dilution:WB:1:500-5000,IHC:1:20-1:200

Recommended protocols: check protocols

Name

Anti-RNF8 Antibody

Catalogue No.

CSB-PA019898ESR2HU

Reactivity

Human

Immunogen

Recombinant human E3 ubiquitin-protein ligase RNF8 protein (1-260AA)

Host

Rabbit

Applications

ELISA, WB, IHC

Recommended dilution

Recommended dilution:WB:1:500-5000,IHC:1:20-1:200

Clonality

Polyclonal

Conjugation

unconjugated

Isotype

IgG

Molecular weight

55 kDa

Purification

Antigen Affinity Purified

Storage

Shipped at 4 Celcius Degree. Upon delivery aliquot and store at -20 Celcius Degree or -80 Celcius Degree. Avoid repeated freeze.

Database links

Entrez Gene:9025( Human), Entrez Gene:58230( Mouse), Entrez Gene:361815( Rat), Omim:611685( Human), SwissProt:O76064( Human), SwissProt:Q8VC56( Mouse), SwissProt:Q4KLN8( Rat), Unigene:485278( Human), Unigene:305994( Mouse), Unigene:12463( Rat)

Protein function

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). .

Protein tissue specificity

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. .

Protein sequence and domain

Belongs to the RNF8 family. The FHA domain specifically recognizes and binds ATM-phosphorylated MDC1 and ‘Thr-4827’ phosphorylated HERC2 (PubMed:18001824). This domain is required for proper recruitment to DNA damage sites after UV irradiation, ionizing radiation, or treatment with an alkylating agent (PubMed:23233665).

Protein post-translational modifications

Autoubiquitinated through ‘Lys-48’ and ‘Lys-63’ of ubiquitin. ‘Lys-63’ polyubiquitination is mediated by UBE2N. ‘Lys-29’-type polyubiquitination is also observed, but it doesn’t require its own functional RING-type zinc finger. .

Protein cellular localization

Nucleus . Midbody . Chromosome, telomere . Note=Recruited at uncapped telomeres (By similarity). Following DNA damage, such as double-strand breaks, recruited to the sites of damage (PubMed:18001824, PubMed:18077395, PubMed:22266820, PubMed:23233665). During prophase, concomitant with nuclear envelope breakdown, localizes throughout the cell, with a dotted pattern. In telophase, again in the nucleus and also with a discrete dotted pattern in the cytoplasm. In late telophase and during cytokinesis, localizes in the midbody of the tubulin bridge joining the daughter cells. Does not seem to be associated with condensed chromosomes at any time during the cell cycle. .

Research area

All research areas>Transcription Regulators>RNF
(View all antibody categories related to Transcription Regulators)

Note

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Supplier

CUSABIO BIOTECH CO.

Product type

Primary antibody

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