Analytical Data
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Gene name
POLE
- Application
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Alternative Names
DNA polymerase epsilon catalytic subunit A. EC:2.7.7.7. 3'-5' exodeoxyribonuclease. EC:3.1.11.-. DNA polymerase II subunit A
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Species
Human
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Source
E. coli
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Tag
GST-tag at N-terminal
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Purity
Greater than 90% as determined by SDS-PAGE.
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Uniprot
Q07864
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Expression Region
1-370 aa
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AA Sequence
MDPSNYGGIKGKVSSRIHCGLQDSQKAGGAEDEQENEDDEEERDGEEEEEAEESNVEDLLENNWNILQFLPQAASCQNYFLMIVSAYIVAVYHCMKDGLRRSAPGSTPVRRRGASQLSQEAEGAVGALPGMITFSQDYVANELTQSFFTITQKIQKKVTGSRNSTELSEMFPVLPGSHLLLNNPALEFIKYVCKVLSLDTNITNQVNKLNRDLLRLVDVGEFSEEAQFRDPCRSYVLPEVICRSCNFCRDLDLCKDSSFSEDGAVLPQWLCSNCQAPYDSSAIEMTLVEVLQKKLVAFTLQDLVCLKCRGVKETSMPVYCSCAGDFALTIHTQVFMEQIGIFRNIAQHYGMSYLLETLEWLLQKNPQLGH
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Molecular Weight
66.44 kDa
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Endotoxin
< 1.0 EU per μg protein as determined by the LAL method.
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Form
Freeze-dried powder
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Buffer formulation
PBS, pH7.4, containing 0.01% SKL, 1mM DTT, 5% Trehalose and Proclin300.
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Reconstitution
Reconstitute in ddH2O to a concentration of 0.1-0.5 mg/mL. Do not vortex.
- Customization
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Stability Test
The thermal stability is described by the loss rate. The loss rate was determined by accelerated thermal degradation test, that is, incubate the protein at 37℃ for 48h, and no obvious degradation and precipitation were observed. The loss rate isless than 8% within the expiration date under appropriate storage condition.
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Storage & Shelf Life
Samples are stable for up to twelve months from date of receipt at -20℃ to -80℃. Store it under sterile conditions at -20℃ to -80℃. It is recommended that the protein be aliquoted for optimal storage. Avoid repeated freeze-thaw cycles.
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Shipping
In general, recombinant proteins are supplied as lyophilized powder and shipped at ambient temperature. For bulk packages, the proteins are provided as frozen liquid and shipped with blue ice, unless otherwise requested by the customer.
Quality inspection process
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Protein Description
POLE (DNA polymerase epsilon) is a crucial enzyme involved in DNA replication and repair, playing a significant role in maintaining the integrity of the genome. Research on POLE has gained momentum due to its association with various neoplastic conditions, particularly certain types of cancers. Mutations in the POLE gene have been identified as a common occurrence in diverse tumors, including endometrial and colorectal cancers. These mutations often lead to an elevated error rate during DNA replication, resulting in hypermutation phenotypes, which can influence tumorigenesis and affect patient prognosis. Understanding the functional implications of POLE mutations is essential not only for elucidating the mechanisms underlying cancer development but also for improving therapeutic strategies. The identification of POLE as a contributor to the hypermutated phenotype has opened new avenues for immunotherapy and targeted treatment approaches, particularly in cancers characterized by high mutation burdens. Researchers are investigating the role of POLE in DNA damage response and its potential interactions with other cellular pathways, aiming to uncover the broader implications of POLE dysfunction in human health. Furthermore, the development of advanced genomic techniques has enabled more comprehensive characterization of POLE-related mutations, facilitating the exploration of their clinical relevance and potential as biomarkers for cancer diagnosis and prognosis. Thus, ongoing studies on POLE and its mutational landscape are imperative for advancing our understanding of cancer biology and enhancing precision medicine strategies.











