RNF8 (RING [really interesting gene] finger protein 8; also E3 ubiquitin-protein ligase RNF8) is a 55-58 kDa member of the RNF8 family of proteins. It is ubiquitously expressed, and serves as an E3 ubiquitin ligase. RNF8 is recruited to DNA double-strand breaks by phosphoMDC1, where it promotes the ubiquitination of histones H2A and H2AX. This, in turn, may result in the recruitment of 53BP1, a scaffold protein that holds DNA damage response elements. Human RNF8 is 485 amino acids (aa) in length. It contains one forkhead associated domain (aa 38-92), a Gln-rich segment (aa 276-345), and one Zn-finger region (aa 403-441). There is one utilized phosphorylation site at Ser157. Two potential isoforms are reported. One shows an 18 aa substitution for aa 81-485, while another possesses a 36 aa substitution for aa 413-485. RNF8 apparently undergoes ubiquitination, generating multiple isoforms that run at 62-72 kDa in SDS-Page. Over aa 1-124, human RNF8 shares 74% aa identity with mouse RNF8.
Key Product Details
Species Reactivity
Applications
Label
Antibody Source
Product Specifications
Immunogen
Met1-Val124
Accession # O76064
Specificity
Clonality
Host
Isotype
Scientific Data Images for Human RNF8 Antibody
Detection of Human RNF8 by Western Blot.
Western blot shows lysates of HepG2 human hepatocellular carcinoma cell line and U2OS human osteosarcoma cell line. PVDF membrane was probed with 1 µg/mL of Sheep Anti-Human RNF8 Antigen Affinity-purified Polyclonal Antibody (Catalog # AF7114) followed by HRP-conjugated Anti-Sheep IgG Secondary Antibody (Catalog # HAF016). A specific band was detected for RNF8 at approximately 65 kDa (as indicated). This experiment was conducted under reducing conditions and using Immunoblot Buffer Group 1.
Applications for Human RNF8 Antibody
Western Blot
Sample: HepG2 human hepatocellular carcinoma cell line and U2OS human osteosarcoma cell line
Formulation, Preparation, and Storage
Purification
Reconstitution
Sterile PBS to a final concentration of 0.2 mg/mL. For liquid material, refer to CoA for concentration.
Formulation
Shipping
Stability & Storage
- 12 months from date of receipt, -20 to -70 °C as supplied.
- 1 month, 2 to 8 °C under sterile conditions after reconstitution.
- 6 months, -20 to -70 °C under sterile conditions after reconstitution.
Calculators
Background: RNF8
Long Name
Alternate Names
Gene Symbol
UniProt
Additional RNF8 Products
Product Documents for Human RNF8 Antibody
Certificate of Analysis
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Note: Certificate of Analysis not available for kit components.
Product Specific Notices for Human RNF8 Antibody
For research use only
Related Research Areas
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Protocols
Find general support by application which include: protocols, troubleshooting, illustrated assays, videos and webinars.
- Cellular Response to Hypoxia Protocols
- R&D Systems Quality Control Western Blot Protocol
- Troubleshooting Guide: Western Blot Figures
- Western Blot Conditions
- Western Blot Protocol
- Western Blot Protocol for Cell Lysates
- Western Blot Troubleshooting
- Western Blot Troubleshooting Guide
- View all Protocols, Troubleshooting, Illustrated assays and Webinars