

| Catalog No. | HF629013 | ||||
|---|---|---|---|---|---|
| Species reactivity | Human | ||||
| Applications | ELISA | ||||
| Host species | Mouse | ||||
| Isotype | IgG2a, kappa | ||||
| Clone ID | SAA1537 | ||||
| Clonality | Monoclonal | ||||
| Target | RPA194, POLR1A, RNA polymerase I 194 kDa subunit, DNA-directed RNA polymerase I largest subunit, DNA-directed RNA polymerase I subunit RPA1, RNA polymerase I subunit A1, A190, DNA-directed RNA polymerase I subunit A | ||||
| Endotoxin level | Please contact with the lab for this information. | ||||
| Purity | >95% as determined by SDS-PAGE. | ||||
| Purification | Protein A/G purified from cell culture supernatant. | ||||
| Accession | O95602 | ||||
| RRID | Anti-Human POLR1A Antibody (SAA1537) (abinScience Cat# HF629013, RRID:AB_3727298) |
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| Form | Liquid | ||||
| Storage buffer | 0.01M PBS pH 7.4 Please refer to the specific buffer information in the hardcopy of datasheet or the lot-specific COA. |
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| Product Usage Information |
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| Stability and Storage | Use a manual defrost freezer and avoid repeated freeze-thaw cycles. Store at 4°C short term (1-2 weeks). Store at -20°C 12 months. Store at -80°C long term. | ||||
| Background | DNA-directed RNA polymerase I subunit RPA1 (POLR1A) is a ~194 kDa protein. Catalytic core component of RNA polymerase I (Pol I), a DNA-dependent RNA polymerase which synthesizes ribosomal RNA precursors using the four ribonucleoside triphosphates as substrates. Transcribes 47S pre-rRNAs from multicopy rRNA gene clusters, giving rise to 5.8S, 18S and 28S ribosomal RNAs. Pol I-mediated transcription cycle proceeds through transcription initiation, transcription elongation and transcription termination stages. During transcription initiation, Pol I pre-initiation complex (PIC) is recruited by the selectivity factor 1 (SL1/TIF-IB) complex bound to the core promoter that precedes an rDNA repeat unit. The PIC assembly bends the promoter favoring the formation of the transcription bubble and promoter escape. 1. Miller, G. et al. (2001) The EMBO journal 20, 1373-82. PMID: 11250903 2. Panov, KI. et al. (2001) Molecular and cellular biology 21, 2641-9. PMID: 11283244 3. Panov, KI. et al. (2006) The EMBO journal 25, 3310-22. PMID: 16858408 4. Zhao, D. et al. (2021) Cell discovery 7, 97. PMID: 34671025 5. Misiaszek, AD. et al. (2021) Nature structural & molecular biology 28, 997-1008. PMID: 34887565 6. Daiß, JL. et al. (2022) Life science alliance 5. PMID: 36271492 | ||||
| Note | For research use only. |

SDS-PAGE for Anti-Human POLR1A Antibody (SAA1537)
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