RPA2 (1-270, His-Tag) Human Protein
Specifications
| Product Data | |
| Species | Human |
|---|---|
| Expression Host | E. coli |
| Expression cDNA Clone or AA Sequence | |
| Tag | His-Tag |
| Predicted MW | 31.7 kDa (293aa) confirmed by MALDI-TOF |
| Concentration | 0.5mg/ml (determined by Bradford assay) |
| Purity | > 90% by SDS-PAGE |
| Presentation State | Purified |
| Buffer | Liquid in. 20mM Tris-HCl buffer (pH 8.0) containing 20% glycerol, 0.1M NaCl, 2mM DTT |
| Preparation | Liquid purified protein |
| Recommended Dilution | SDS-PAGE |
| Protein Description | Recombinant human RPA2 protein, fused to His-tag at N-terminus, was expressed in E.coli and purified by using conventional chromatography techniques. |
| Storage | Can be stored at +2°C to +8°C for 1 week. For long term storage, aliquot and store at -20°C to -80C. Avoid repeated freezing and thawing cycles. |
| Stability | Shelf life: one year from despatch. |
| Shipping | Blue Ice |
| Reference Data | |
| RefSeq | NP_002937 |
| Locus ID | 6118 |
| UniProt ID | P15927 |
| Cytogenetics | 1p35.3 |
| Synonyms | Replication protein A 32 kDa subunit, Replication protein A 32 kDa subunit, REPA2, RPA32, RPA32, RP-A p32, RP-A p34 |
| Summary | This gene encodes a 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 RPA complex protects 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. The heterotrimeric complex has two different modes of ssDNA binding, a low-affinity and high-affinity mode, determined by which oligonucleotide/oligosaccharide-binding (OB) domains of the complex are utilized, and differing in the length of DNA bound. This subunit contains a single OB domain that participates in high-affinity DNA binding and also contains a winged helix domain at its carboxy terminus, which interacts with many genome maintenance protein. Post-translational modifications of the RPA complex also plays a role in co-ordinating different damage response pathways. provided by RefSeq, Sep 2017 |
| Protein Categories | Intracellular Proteins |
| Protein Families | Druggable Genome, Stem cell - Pluripotency |
| Protein Pathways | DNA replication, Homologous recombination, Mismatch repair, Nucleotide excision repair |
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