

| Número de catálogo | HS837012 |
|---|---|
| Descripción |
Recombinant Human LARP7 Protein, N-His (HS837012) expressed in E. coli, spanning Met1-Asn187. Purity: >90% by SDS-PAGE.
Highlights
|
| Sistema de expresión | E. coli |
| Número de acceso | Q4G0J3 |
| Longitud de proteína | Met1-Asn187 |
| Aplicaciones | ELISA, Immunogen, SDS-PAGE, WB, Bioactivity testing in progress |
| Especies | Homo sapiens (Human) |
| Naturaleza | Recombinant |
| Nivel de endotoxinas | Please contact with the lab for this information. |
| Pureza | >90% as determined by SDS-PAGE. |
| Peso molecular predicho | 23.81 kDa |
| Forma | Lyophilized |
| Buffer de almacenamiento | Lyophilized from a solution in PBS pH 7.4, 0.02% NLS, 1 mM EDTA, 4% Trehalose, 1% Mannitol. Consulte la información específica del buffer en la copia impresa del datasheet o en el COA específico del lote. |
| Reconstitución | Reconstitute in sterile water for a stock solution. Adjust the volume of sterile water so that, after reconstitution, the final stock concentration matches the value indicated on the product label or datasheet. RECONSTITUTION PROTOCOL 1. Allow the product to be reconstituted and the reconstitution diluent to reach room temperature. 2. Tap or briefly centrifuge the product vial before opening to dislodge any lyophilized material that may be dispersed on the wall or cap of the vial. 3. Use the diluent and stock concentration recommended in the product datasheet. If preparing a stock concentration higher than recommended, contact Technical Service. 4. After adding the diluent, re-cap the vial and invert gently by hand or place on a slow rocking platform to allow the reconstitution diluent to coat all the surfaces inside the vial. Note: Do not mix by vortexing or by pipetting the material up and down. 5. Allow the vial to sit at room temperature with gentle agitation for at least 15 minutes before aliquotting or using. 6. Store the reconstituted material in single use aliquots in polypropylene or siliconized tubes. Aliquots of 10 μL or larger are recommended. |
| Envío | In general, proteins are provided as lyophilized powder/frozen liquid. They are shipped out with dry ice/blue ice unless customers require otherwise. |
| Estabilidad y almacenamiento | Use a manual defrost freezer and avoid repeated freeze thaw cycles. Store at 2 to 8°C for frequent use. Store at -20 to -80°C for twelve months from the date of receipt. |
| Nombres alternativos | La ribonucleoprotein domain family member 7, La-related protein 7, hLARP7, P-TEFb-interaction protein for 7SK stability, LARP7, PIP7S |
| Fondo | La-related protein 7 (LARP7) is a ~66 kDa protein. RNA-binding protein that specifically binds distinct small nuclear RNA (snRNAs) and regulates their processing and function. Specifically binds the 7SK snRNA (7SK RNA) and acts as a core component of the 7SK ribonucleoprotein (RNP) complex, thereby acting as a negative regulator of transcription elongation by RNA polymerase II. The 7SK RNP complex sequesters the positive transcription elongation factor b (P-TEFb) in a large inactive 7SK RNP complex preventing RNA polymerase II phosphorylation and subsequent transcriptional elongation. The 7SK RNP complex also promotes snRNA gene transcription by RNA polymerase II via interaction with the little elongation complex (LEC). LARP7 specifically binds to the highly conserved 3'-terminal U-rich stretch of 7SK RNA; on stimulation, remains associated with 7SK RNA, whereas P-TEFb is released from the complex. 1. He, N. et al. (2008) Molecular cell 29, 588-99. PMID: 18249148 2. Hasler, D. et al. (2020) Molecular cell 77, 1014-1031.e13. PMID: 32017898 3. Markert, A. et al. (2008) EMBO reports 9, 569-75. PMID: 18483487 4. Egloff, S. et al. (2017) The EMBO journal 36, 934-948. PMID: 28254838 5. Krueger, BJ. et al. (2008) Nucleic acids research 36, 2219-29. PMID: 18281698 |
| Nota | For research use only. |

SDS-PAGE for Recombinant Human LARP7 Protein, N-His
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