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Ships within 48 hours · Estimated delivery Sep 8 - Sep 13
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Description
CDK13/Cyclin K ProteinProduct Specification Species Human Accession Q14004 1O75909 3 Amino Acid Sequence Q673 S1054 M1 S300 Expression System Baculovirus InsectCells Molecular Weight CDK13: 70. 3 kDa; Cyclin K: 37. 2 kDa Purity >85% by SDS PAGE Endotoxin <1EU g Conjugation Unconjugated Physical Appearance Liquid Storage Buffer 50 mM Tris, 150 mM NaCl, 1 mM DTT, 0. 05% Brij35, 10% glycerol, pH 7. 5 Stability & Storage 80
Product Specification
| Species | Human |
| Accession | Q14004-1、O75909-3 |
| Amino Acid Sequence | Q673-S1054/M1-S300 |
| Expression System | Baculovirus-InsectCells |
| Molecular Weight | CDK13: 70.3 kDa; Cyclin K: 37.2 kDa |
| Purity | >85% by SDS-PAGE |
| Endotoxin | <1EU/μg |
| Conjugation | Unconjugated |
| Physical Appearance | Liquid |
| Storage Buffer | 50 mM Tris, 150 mM NaCl, 1 mM DTT, 0.05% Brij35, 10% glycerol, pH 7.5 |
| Stability & Storage | -80℃ |
Shipping Notes
- Free Standard Shipping on $100+ Orders to the USA.
- Except Preorder products are shipped in 48 hours.
- Delivery to the USA:
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Exchange/Return Notes
- We offer a 30-day return/exchange service after receiving.
- Final sale items are not eligible for returns or exchanges.
- To process your return/exchange, please contact us at [email protected]
- Please click here for more details>>> Return & Exchange Policy
4.8 ★★★★★
Based on 20 reviews
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Product Reviews
★★★★★ 5
Worth the price.
Color: 03 - Gray, Size: Queen (2 Pillowcases)
Only on one side. I use with cooling pillow slip and it helps. I like the thickness and density compared to the pricey Columbia pillows. But Columbia has better outer materials and is cool on both sides.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on May 20, 2026
★★★★★ 5
Recommend
Color: 01 - White, Size: Queen (2 Pillowcases)
Very good. My pillows were so old. Machine washable. Notice the name Beckham. Yes, it's really him.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on May 21, 2026
★★★★★ 4
they work
Color: 03 - Gray, Size: Queen (2 Pillowcases)
I've been searching for cooling pillowcases for a long time. None ever seemed to fit the bill until I found these. Now, let's be clear, they are cool to sleep on for a good amount of time, but you will have to flip them occasionally throughout the night to keep getting that cold feeling. All in all, as a person whose face runs hot when I sleep, these cases have made my nights more bearable, and I do believe they are helping with my skin issues.
As far as good value for the money, I think they are a little costly.
Color was comparable to the online photo.
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Reviewed in the United States on March 18, 2026
★★★★★ 5
Good buy :)
Color: 03 - Gray, Size: Queen (2 Pillowcases)
Can’t go wrong! Silky and cool to touch. Love Beckham
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Reviewed in the United States on May 19, 2026
★★★★★ 5
Great Cooling Pillow Cases
Color: 03 - Gray, Size: King (2 Pillowcases)
Absolutely Awesome! Cooling Pillow Cases help with a great night's sleep. They Feel Great. My husband also enjoys his. Will purchased again!
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on May 12, 2026
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