Analytical Data
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Gene name
TOP3
- Application
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Alternative Names
TOP3A; DNA topoisomerase III alpha
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Species
Human
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Source
E. coli
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Tag
N-His
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Purity
Greater than 90% as determined by SDS-PAGE.
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Uniprot
Q13472
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Expression Region
Lys35~Ser179
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Molecular Weight
19kDa
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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
Recombinant proteins are crucial tools in biotechnology and molecular biology, serving diverse applications ranging from therapeutic agents to industrial enzymes. Among the top three recombinant proteins, insulin, monoclonal antibodies, and erythropoietin stand out due to their significant impact on medicine and healthcare. Insulin, first synthesized in the 1920s, revolutionized diabetes treatment, highlighting the potential of recombinant DNA technology to produce therapeutic proteins safely and in large quantities. Monoclonal antibodies, developed in the 1970s, have transformed diagnostics and treatment for various conditions, including cancers and autoimmune diseases, through targeted therapies. Erythropoietin, initially isolated from the kidneys, plays a vital role in regulating red blood cell production and has been pivotal in treating anemia, particularly in patients with chronic kidney disease. The development of these proteins illustrates not only the advancements in genetic engineering but also the growing need for innovative treatments driven by recombinant technology. Understanding the mechanisms of protein expression and purification techniques has further fueled research, making recombinant proteins essential in drug development, therapeutic applications, and fundamental biological research, thereby underscoring their significance in modern science and medicine.
