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| Reactivity: | Human |
| Applications: | WB, IHC, ELISA |
| Host Species: | Rabbit |
| Isotype: | IgG |
| Clonality: | Polyclonal antibody |
| Gene Name: | replication protein A1 |
| Gene Symbol: | RPA1 |
| Synonyms: | HSSB; RF-A; RP-A; REPA1; RPA70; MST075; PFBMFT6; RPA70/RPA1 |
| Gene ID: | 6117 |
| UniProt ID: | P27694 |
| Immunogen: | Recombinant fusion protein containing a sequence corresponding to amino acids 1-240 of human RPA70/RPA70/RPA1 (NP_002936.1). |
| Dilution: | WB 1:500-1:2000; IHC 1:50-1:100 |
| Purification Method: | Affinity purification |
| Concentration: | 0.81 mg/ml |
| Buffer: | PBS with 0.01% thimerosal, 50% glycerol, pH7.3. |
| Storage: | Store at -20°C. Avoid freeze / thaw cycles. |
| Documents: | Manual-RPA1 antibody |
Background
This gene encodes the largest subunit of the heterotrimeric Replication Protein A (RPA) complex, which binds to single-stranded DNA (ssDNA), forming a nucleoprotein complex that plays an important role in DNA metabolism, being involved in DNA replication, repair, recombination, telomere maintenance, and co-ordinating the cellular response to DNA damage through activation of the ataxia telangiectasia and Rad3-related protein (ATR) kinase. The nucleoprotein complex protects the single-stranded DNA from nucleases, prevents formation of secondary structures that would interfere with repair, and co-ordinates the recruitment and departure of different genome maintenance factors. This subunit contains four oligonucleotide/oligosaccharide-binding (OB) domains, though the majority of ssDNA binding occurs in two of these domains. The heterotrimeric complex has two different modes of ssDNA binding, a low-affinity and high-affinity mode, determined by which ssDNA binding domains are utilized. The different binding modes differ in the length of DNA bound and in the proteins with which it interacts, thereby playing a role in regulating different genomic maintenance pathways.
Images
 | Western blot analysis of various lysates using RPA70/RPA1 Rabbit pAb (A0874) at 1:3000 dilution. Secondary antibody: HRP-conjugated Goat anti-Rabbit IgG (H+L) (AS014) at 1:10000 dilution. Lysates/proteins: 25μg per lane. Blocking buffer: 3% nonfat dry milk in TBST. Detection: ECL Basic Kit (RM00020). Exposure time: 30s. |
 | Immunohistochemistry analysis of paraffin-embedded Human lung cancer using RPA70/RPA1 Rabbit pAb (A0874) at dilution of 1:100 (40x lens). Microwave antigen retrieval performed with 0.01M PBS Buffer (pH 7.2) prior to IHC staining. |
 | Immunohistochemistry analysis of paraffin-embedded Human uterus using RPA70/RPA1 Rabbit pAb (A0874) at dilution of 1:100 (40x lens). Microwave antigen retrieval performed with 0.01M PBS Buffer (pH 7.2) prior to IHC staining. |
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