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Ships within 48 hours · Estimated delivery Jul 23 - Jul 28
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Description
FES His Tag Protein, HumanProduct Specification Species Human Accession P07332 Amino Acid Sequence I448 R822 Expression System E. coli Molecular Weight 44. 5 KDa Conjugation Unconjugated Tag His Tag Physical Appearance Liquid Storage Buffer 50 mM Tris HCl (pH 7. 5), 200 mM NaCl, 5% glycerol. Stability & Storage 80 Guidelines Please use rapid thawing with running water to thaw the protein samples. For complete recovery, mix well and spin before use. Product must not be stored
Product Specification
| Species | Human |
| Accession | P07332 |
| Amino Acid Sequence | I448-R822 |
| Expression System | E.coli |
| Molecular Weight | 44.5 KDa |
| Conjugation | Unconjugated |
| Tag | His Tag |
| Physical Appearance | Liquid |
| Storage Buffer | 50 mM Tris-HCl (pH 7.5), 200 mM NaCl, 5% glycerol. |
| Stability & Storage | -80℃ |
Guidelines
Please use rapid thawing with running water to thaw the protein samples.
For complete recovery, mix well and spin before use.
Product must not be stored in diluted solutions.
Aliquots below 10μl are not advisable.
Avoid repetitive freeze-thaw cycles!
Shipping Notes
- Free Standard Shipping on $100+ Orders to the USA.
- Except Preorder products are shipped in 48 hours.
- Delivery to the USA:
- Standard Shipping : 3-10 business days
- If time is of the essence, please consider selecting expedited delivery for faster service.
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
4.1 ★★★★★
Based on 11 reviews
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Product Reviews
★★★★★ 5
This is the one.
Size: 58.3mm, Color: Black
As an el Supremo Coffee Geek, I've wasted money on lots of different tampers. Save your money and buy this one or it's equivalent. This thing is heavy duty, solid, well-made, self-leveling, tamps at 30 pounds and is fool-proof even for fools. Also, it's a palm tamper meaning more fun and more satisfying to use as you prep the puck for your morning buzz. Buy it. You will thank me.
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Reviewed in the United States on March 30, 2024
★★★★★ 5
Super easy to use and takes the guess-work out of getting even pressure on the grounds
Size: 58.3mm, Color: Black, Size: 58.3mm, Color: Black
I have been using a hand tamper for many years and have a good idea of the pressure I am applying to the grounds in the portafilter. I honestly considered spring tampers to be a bit silly. But this tamper really does take the guess-work out of pressing the coffee grounds. The shroud helps guide the press so that pressure is applied even and flat across the surface. With the manual tamper, there will be some play when pressing, or some unevenness in pressure. This is especially true when cranking out many espressos during a breakfast party with friends. Having the spring tamper makes quick work of turning out a lot of coffees with consistency.
There are no instructions for taking this tamper apart to clean inside, and you may not really need to do that very often. After each use, just pull back the shroud (the black piece that moves up and down) and wipe off the tamper (the shiny steel part). This will help prevent grounds from working their way inside. If you do want to take it apart, it’s easy. Pull back the shroud and unscrew the tamper. It will come apart into three pieces. Wipe the pieces off and reassemble. Super quick and easy.
This tamper is very heavy. My scale shows 656 g (about a pound and a half). It fits the portafilter exactly, with no slop. Just place on top of grounds and press!. Don’t even worry about pressure, just push down all the way. Overall I had fun using this tamper versus my manual one. And since I make myself a cappuccino very early in the morning, I don’t have to be very awake to get a good pack on the grounds and get my coffee fast!
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Reviewed in the United States on January 10, 2024
★★★★★ 5
Good size
This works for most of the items (powder like cinnamon or beet root, etc.0 i need it for. I would like to have one that is 50 oz. It is airtight and a great product but I'm not convinced pumping it 20-30 times really helps.
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Reviewed in the United States on February 22, 2025
★★★★★ 4
Good product/unsure of air seal
We love this to hold our coffee beans, but we aren’t sure if it truly seals air out. It seems to work great though and our beans taste fresh!
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Reviewed in the United States on January 22, 2025
★★★★★ 5
Love it!!
Top
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Reviewed in the United States on July 12, 2025
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