Human Ku P70/P80 Recombinant Protein (RPPB5899)
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주문- SKU:
- RPPB5899
- Product type:
- Recombinant Protein
- Size:
- 20ug
- Species:
- Human
- Target:
- Ku P70/P80
- Synonyms:
- ATP-dependent DNA helicase 2 subunit 1
- Synonyms:
- ATP-dependent DNA helicase II 70 kDa subunit
- Synonyms:
- Lupus Ku autoantigen protein p70
- Synonyms:
- Ku70
- Source:
- Sf9 Insect cells
- Uniprot:
- P12956
Description
| Product Name: | Human Ku P70/P80 Recombinant Protein |
| Product Code: | RPPB5899 |
| Size: | 20µg |
| Species: | Human |
| Target: | Ku P70/P80 |
| Synonyms: | ATP-dependent DNA helicase 2 subunit 1, ATP-dependent DNA helicase II 70 kDa subunit, Lupus Ku autoantigen protein p70, Ku70, 70 kDa subunit of Ku antigen, Thyroid-lupus autoantigen, TLAA, CTC box-binding factor 75 kDa subunit, CTCBF, CTC75, DNA-repair protein XRCC6, G22P1, XRCC6, ML8. |
| Source: | Sf9 Insect cells |
| Physical Appearance: | Sterile Filtered clear solution. |
| Formulation: | KuP70/P80is supplied in 16mM HEPES buffer pH-8, 160mM NaCl, and 20% glycerol. |
| Stability: | Store at 4°C if entire vial will be used within 2-4 weeks. Store, frozen at -20°C for longer periods of time. Avoid multiple freeze-thaw cycles. |
| Purity: | Greater than 95% as determined by SDS-PAGE. |
Ku antigen consists of two polypeptides (70 kDa and 80 kDa; the p80 subunit is occasionally called p86). The Ku heterodimer provides DNA-binding and regulatory functions to DNA-dependent protein kinase which is a central enzyme for DNA recombination processes in eucaryotic cells. The Ku protein plays important roles in multiple nuclear processes including DNA repair, V(D)J recombination, telomere maintenance, and the regulation of specific gene transcription. Antibodies to Ku were originally reported in scleroderma-polymyositis overlap syndrome (up to 20% of patients) but have also been detectable in about 20 % of patients with primary pulmonary hypertension (as a complication of overlap), in 5-10 % of SLE and MCTD patients.In IIF using HEp-2 cells, Ku-positive sera yield a dense, fine granular pattern with nucleolar staining that is typical but not specific for anti-Ku. Detection of Ku antibodies by Western blot may bear false-negative results since the main reactive epitope on the p70/p80 heterodimer is conformation-dependent.
KuP70/P80 Human Recombinant produced in SF9 insect cells is a glycosylated, polypeptide chain having a molecular mass of 70,638 Dalton for the p70 subunit and 83,528 Dalton for the p80 subunit. Ku (P70/P80) is expressed with a -6xHis tag and purified by proprietary chromatographic techniques.
| UniProt Protein Function: | Ku70: a mini-chromosome maintenance protein, essential for the initiation of eukaryotic genome replication. Allows DNA to undergo a single round of replication per cell cycle. Required for the entry in S phase and for cell division. |
| UniProt Protein Details: | Protein type:Helicase; DNA repair, damage; EC 3.6.4.-; Nuclear receptor co-regulator; DNA-binding; RNA-binding; EC 4.2.99.- Chromosomal Location of Human Ortholog: 22q13.2 Cellular Component: cytosol; membrane; nuclear chromosome, telomeric region; nuclear telomere cap complex; nucleoplasm; nucleus; transcription factor complex Molecular Function:5'-deoxyribose-5-phosphate lyase activity; damaged DNA binding; double-stranded DNA binding; double-stranded telomeric DNA binding; protein binding; protein C-terminus binding Biological Process: DNA ligation; DNA recombination; double-strand break repair via nonhomologous end joining; negative regulation of transcription, DNA-dependent; positive regulation of interferon type I production; positive regulation of transcription from RNA polymerase II promoter; positive regulation of transcription, DNA-dependent; protein heterotetramerization; regulation of smooth muscle cell proliferation; telomere maintenance |
| NCBI Summary: | The p70/p80 autoantigen is a nuclear complex consisting of two subunits with molecular masses of approximately 70 and 80 kDa. The complex functions as a single-stranded DNA-dependent ATP-dependent helicase. The complex may be involved in the repair of nonhomologous DNA ends such as that required for double-strand break repair, transposition, and V(D)J recombination. High levels of autoantibodies to p70 and p80 have been found in some patients with systemic lupus erythematosus. [provided by RefSeq, Jul 2008] |
| UniProt Code: | P12956 |
| NCBI GenInfo Identifier: | 125729 |
| NCBI Gene ID: | 2547 |
| NCBI Accession: | P12956.2 |
| UniProt Secondary Accession: | P12956,Q6FG89, Q9UCQ2, Q9UCQ3, B1AHC8, |
| UniProt Related Accession: | P12956 |
| Molecular Weight: | 65,149 Da |
| NCBI Full Name: | X-ray repair cross-complementing protein 6 |
| NCBI Synonym Full Names: | X-ray repair cross complementing 6 |
| NCBI Official Symbol: | XRCC6 |
| NCBI Official Synonym Symbols: | ML8; KU70; TLAA; CTC75; CTCBF; G22P1 |
| NCBI Protein Information: | X-ray repair cross-complementing protein 6 |
| UniProt Protein Name: | X-ray repair cross-complementing protein 6 |
| UniProt Synonym Protein Names: | 5'-deoxyribose-5-phosphate lyase Ku70; 5'-dRP lyase Ku70; 70 kDa subunit of Ku antigen; ATP-dependent DNA helicase 2 subunit 1; ATP-dependent DNA helicase II 70 kDa subunit; CTC box-binding factor 75 kDa subunit; CTC75; CTCBF; DNA repair protein XRCC6; Lupus Ku autoantigen protein p70; Ku70; Thyroid-lupus autoantigen; TLAA; X-ray repair complementing defective repair in Chinese hamster cells 6 |
| Protein Family: | X-ray repair cross-complementing protein |
| UniProt Gene Name: | XRCC6 |
| UniProt Entry Name: | XRCC6_HUMAN |
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