Recombinant Human POLQ Protein, N-His (HF853021) expressed in Insect Cells, spanning Ser1819-Val2590. Purity: >90% by SDS-PAGE.
Highlights
●His-Tagged — N-terminal 6×His tag for IMAC purification.
●High Purity — >90% purity verified by SDS-PAGE.
Система экспрессии
Insect cells
Номер доступа
O75417
Длина белка
Ser1819-Val2590
Применения
ELISA, Immunogen, SDS-PAGE, WB, Bioactivity testing in progress
Виды
Homo sapiens (Human)
Характер
Recombinant
Уровень эндотоксинов
Please contact with the lab for this information.
Чистота
>90% as determined by SDS-PAGE.
Прогнозируемая молекулярная масса
89.00 kDa
Форма
Lyophilized
Буфер хранения
Lyophilized from a solution in PBS pH 7.4, 1 mM EDTA, 4% Trehalose, 1% Mannitol.
Пожалуйста, обратитесь к конкретной информации о буфере в печатной версии даташита или в индивидуальном сертификате качества (COA) для партии.
Реконституция
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.
Доставка
In general, proteins are provided as lyophilized powder/frozen liquid. They are shipped out with dry ice/blue ice unless customers require otherwise.
Устойчивость и хранение
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.
Альтернативные названия
POLH, DNA polymerase eta, DNA polymerase theta, POLQ
Фон
DNA polymerase theta (POLQ) is a ~289 kDa protein. Low-fidelity DNA polymerase with a helicase activity that promotes microhomology-mediated end-joining (MMEJ), an alternative non-homologous end-joining (NHEJ) machinery required to repair double-strand breaks in DNA during mitosis. MMEJ is an error-prone repair pathway that produces deletions of sequences from the strand being repaired and promotes genomic rearrangements, such as telomere fusions, some of them leading to cellular transformation. MMEJ is required during mitosis to repair persistent double-strand breaks that originate in S-phase. Although error-prone, MMEJ protects against chromosomal instability and tumorigenesis. The polymerase acts by binding directly the 2 ends of resected double-strand breaks, allowing microhomologous sequences in the overhangs to form base pairs.
1. Seki, M. et al. (2003) Nucleic acids research 31, 6117-26. PMID: 14576298
2. Arana, ME. et al. (2008) Nucleic acids research 36, 3847-56. PMID: 18503084
3. Yoon, JH. et al. (2014) The Journal of biological chemistry 289, 13177-85. PMID: 24648516
4. Ceccaldi, R. et al. (2015) Nature 518, 258-62. PMID: 25642963
5. Kent, T. et al. (2015) Nature structural & molecular biology 22, 230-7. PMID: 25643323
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