SKU: 85753129676

Nucleocapsid CTD His Tag, SARS-CoV-2

Sale price$270.00 Regular price$300.00
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Ships within 48 hours · Estimated delivery Sep 11 - Sep 16

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Description

Nucleocapsid CTD His Tag, SARS-CoV-2Product Specification Species SARS CoV 2 Synonyms SARS CoV 2 coronavirus NP Protein; SARS CoV 2 np Protein; SARS CoV 2 novel coronavirus Nucleoprotein Protein Accession P0DTC9 Amino Acid Sequence MHHHHHHHHTKKSAAEASKKPRQKRTATKAYNVTQAFGRRGPEQTQGNFGDQELIRQGTDYKHWPQIAQFAPSASAFFGMSRIGMEVTPSGTWLTYTGAIKLDDKDPNFKDQVILLNKHIDAYKTFP. Expression System E. coli Molecular Weight 14. 5 kDa () Purity 95%, by SDS PAGE under reducing conditions Endotoxin <2EU g

Product Specification


Species SARS-CoV-2
Synonyms SARS-CoV-2 coronavirus NP Protein; SARS-CoV-2 np Protein; SARS-CoV-2 novel coronavirus Nucleoprotein Protein
Accession P0DTC9
Amino Acid Sequence MHHHHHHHHTKKSAAEASKKPRQKRTATKAYNVTQAFGRRGPEQTQGNFGDQELIRQGTDYKHWPQIAQFAPSASAFFGMSRIGMEVTPSGTWLTYTGAIKLDDKDPNFKDQVILLNKHIDAYKTFP.
Expression System E.coli
Molecular Weight 14.5 kDa (还原状态)
Purity >95%, by SDS-PAGE under reducing conditions
Endotoxin <2EU/μg
Conjugation Unconjugated
Tag His Tag
Physical Appearance Lyophilized Powder
Storage Buffer 20mM PB, 100mM NaCl, pH7.4
Reconstitution Reconstitute at less than 1 mg/mL according to the size in ultrapure water after rapid centrifugation .
Stability & Storage

· 12 months from date of receipt, -20 to -70 °C as supplied. 
· 6 months, -20 to -70 °C under sterile conditions after reconstitution.
· 1 week, 2 to 8 °C under sterile conditions after reconstitution.  
· Please avoid repeated freeze-thaw cycles.

Background

Nucleocapsid, nucleocapsid protein, is an important structural protein of novel coronavirus SARS-CoV-2, which is responsible for wrapping the virus RNA genome and then assembling virus particles. Nucleocapsid has two domains: NTD and CTD, in which CTD has two functions: binding to RNA genome and forming homodimer. There are many positively charged amino acid residues on the surface of CTD protein, which can bind to the negatively charged RNA genome by charge interaction. The two molecules of CTD can form a homodimer through the hydrophobic interaction between β-strands, and then form a higher-order polymer complex. Therefore, CTD plays an important role in the process of virus replication and assembly. In the process of novel coronavirus SARS-CoV-2 therapeutic drug development, CTD inhibitors have become a hot target for drug screening. At the same time, the antigen detection kit developed for CTD provides a more efficient and accurate detection method for SARS-CoV-2 detection.

Shipping Notes
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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.
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SKU: 85753129676

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4.1 ★★★★★
Based on 6 reviews
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Product Reviews
K
Verified Purchase
Kindle Customer
Los Angeles, US
★★★★★ 2
Nice but runs small
Size: 7 Big Kid, Color: Navy
The sandals are nice and not to hard or flimsy but they are cut very small.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on April 22, 2026
A
Alexandria Knox
Los Angeles, US
★★★★★ 4
Solid Kids Sandals, Overpriced Like Most Kids Shoes 🌞
Size: 11 Little Kid, Color: Brown, Size: 11 Little Kid, Color: Brown
My son hasn’t worn these yet since it’s December in Indiana and sandals + snow obviously don’t mix. 😂 So this review is based on first impressions rather than long term wear. That said, these seem wider than a lot of typical kids’ sandals, which I REALLY appreciate since we tend to have wider feet in our family. #hobbitfeet The quality feels pretty decent overall. They’re described as lightweight, and while they’re not insanely lightweight, they do have enough weight to feel semi-sturdy and not flimsy or cheap. I like the style and color, and I think they’ll work well for my son once warmer weather hits. My main complaint is the price. At just under $24 at the time of this review, it feels a little high for kids’ sandals and for what these are. I really feel like $20 MAX would make more sense. Kids shoes are almost always priced like adult shoes, even though they clearly use less material, and that’s hard for me to understand and wrap my mind around. Overall, these seem solid for daily wear, I just wish the price was a bit more reasonable and affordable.
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Reviewed in the United States on December 31, 2025
J
Job
Draper, US
★★★★★ 5
Great basic and timeless design
Size: 12 Little Kid, Color: Brown
These sandals are a great find! They’re super easy to get on and off thanks to the Velcro straps, which is a huge win for little ones learning to be more independent. The fit is adjustable and secure, so they stay in place well during all kinds of play. The cork-style footbed is comfortable and gives good support, and the overall design feels sturdy enough to handle everyday wear. They’re lightweight but still durable, and have held up really well so far. They also have a classic, versatile look that goes with just about everything, perfect for summer outfits. Overall, a reliable, comfortable sandal that’s great for active kids. Would definitely buy again!
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Reviewed in the United States on April 24, 2026
N
Nicole
New York, US
★★★★★ 5
Great option for boys or girls
Size: 13 Little Kid, Color: Black, Size: 13 Little Kid, Color: Black
This is really more of a unisex option for a sandal. I have sandals that look like this, and both of my children have worn this style. I ordered these for my daughter, with the plan to pass them down to my son if they're not too worn when she outgrows them. The style is very minimalistic, so it goes with lots of outfits. All the straps are easily adjustable, so you can get a good fit. I would say the length is true to size, but the width is maybe a bit wide. Nevertheless, the adjustable straps really help them fit well. They feel really sturdy and I appreciate that the sole has cushion to it. My daughter has worn these every day since I got them out of the closet and they're holding up well.
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Reviewed in the United States on February 19, 2026
K
Verified Purchase
Kylat
Louisville, US
★★★★★ 5
Fast shipping
Size: 5 Big Kid, Color: Black
Good sandals, the kid just didn't want them. Fast shipping and easy returns!
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Reviewed in the United States on June 11, 2026

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