SKU: 25906665818

Escherichia coli MCR-1 Protein, His Tag

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Description

Escherichia coli MCR-1 Protein, His TagProduct Specification Synonyms Phosphatidylethanolamine transferase Mcr 1, Polymyxin resistance protein MCR 1, mcr 1 Accession A0A0R6L508 Amino Acid Sequence Protein sequence (A0A0R6L508, Try179 Arg541, with C His Tag)

Product Specification


Synonyms Phosphatidylethanolamine transferase Mcr-1, Polymyxin resistance protein MCR-1, mcr-1
Accession A0A0R6L508
Amino Acid Sequence

Protein sequence (A0A0R6L508, Try179-Arg541, with C-His Tag) YASFFRVHKPLRSYVNPIMPIYSVGKLASIEYKKASAPKDTIYHAKDAVQATKPDMRKPRLVVFVVGETARADHVSFNGYERDTFPQLAKIDGVTNFSNVTSCGTSTAYSVPCMFSYLGADEYDVDTAKYQENVLDTLDRLGVSILWRDNNSDSKGVMDKLPKAQFADYKSATNNAICNTNPYNECRDVGMLVGLDDFVAANNGKDMLIMLHQMGNHGPAYFKRYDEKFAKFTPVCEGNELAKCEHQSLINAYDNALLATDDFIAQSIQWLQTHSNAYDVSMLYVSDHGESLGENGVYLHGMPNAFAPKEQRSVPAFFWTDKQTGITPMATDTVLTHDAITPTLLKLFDVTADKVKDRTAFIR

Expression System E.coli
Molecular Weight Predicted MW: 42.4 kDa Observed MW: 40 kDa
Purity >95% by SDS-PAGE
Endotoxin <1EU/μg
Conjugation Unconjugated
Physical Appearance Lyophilized powder
Storage Buffer

Lyophilized from a 0.2 μm filtered solution of 0.2M PBS, pH7.4 with 3% trehalose.

Reconstitution Reconstitute no more than 1 mg/mL according to the size in deionized 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

The MCR-1 protein, encoded by the *mcr-1* gene in Escherichia coli and other Enterobacteriaceae, is a phosphoethanolamine transferase. Its primary function is to modify the lipid A component of lipopolysaccharide (LPS) in the bacterial outer membrane by adding phosphoethanolamine. This modification significantly reduces the net negative charge of the membrane, thereby conferring resistance to colistin (polymyxin E), a last-resort antibiotic for treating multidrug-resistant Gram-negative infections. First reported in China in 2015, MCR-1 is notable because its gene is often plasmid-borne, enabling horizontal transfer between bacterial species and facilitating the rapid global spread of colistin resistance, posing a major public health threat.

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SKU: 25906665818

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4.3 ★★★★★
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Verified Purchase
alice
Los Angeles, US
★★★★★ 3
It wasn’t coming out
Color: Glistening Bronze
It refuse to come out like it was jammed but the color and the texture is nice
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on April 18, 2026
C
Chae
New York, US
★★★★★ 5
Great quality for the price!
Color: Glistening Bronze
This body shimmer oil gives a really nice sun-kissed glow without looking overly glittery. The shimmer is subtle and smooth, so it catches the light in a flattering way instead of looking chunky or artificial. It works especially well on areas like the shoulders, collarbones, and legs for that summer glow effect. The texture is lightweight and absorbs nicely into the skin. It doesn’t feel greasy, and it leaves the skin feeling soft and moisturized after applying. The bronze shade adds a warm tone that enhances natural skin color while still looking natural. It’s also pretty versatile. You can use it on its own for a glowing finish or mix a small amount with foundation, lotion, or sunscreen to add a bit of radiance. It blends easily and spreads evenly, so a little goes a long way. The result is smooth, hydrated skin with a subtle luminous shine that looks great in sunlight.
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Reviewed in the United States on March 15, 2026
C
Customer Review
Lowell, US
★★★★★ 4
Glowy but not sure about the spf
Color: Glistening Bronze
My first impression was that this works more like a basic body shimmer than anything else. The Glistening Bronze shade gives a noticeable glow, especially on arms and shoulders. It spreads easily and adds a warm shimmer in the light, but the overall effect feels pretty simple and more cosmetic than skincare focused. In use, the oil blends in smoothly and feels lightweight on the skin. It does leave a bit of moisture behind, similar to a light body oil, and the shimmer shows up well outdoors. The bronze tone is fairly deep, so it seems better suited for medium to darker skin tones or anyone who wants a stronger bronzed glow. The product mentions SPF 45, but there is very little information about the sun protection side of it, so I personally treat this more like a shimmer oil than a sunscreen. Overall, this is fine if you are mainly looking for a body shimmer that adds glow and a bronzed look. It does the job of giving skin a subtle shine and a bit of hydration, but it does not stand out as anything particularly special. I would recommend it mostly for people who want a simple shimmering body oil rather than relying on it for sun protection.
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Reviewed in the United States on March 15, 2026
B
Be Beautiful
Los Angeles, US
★★★★★ 5
Glamorize your sunny day outing with this shimmer suntan protection
Color: Glistening Bronze, Color: Glistening Bronze
This body shimmer oil has a natural glow luminizer in it. It has an SPF of 45 for sun protection factor. This went on smoothly and easily and was light and did not feel greasy. It felt like fancy suntan lotion like no other I've ever tried before. This just adds a little glamor to your sunny day outing
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Reviewed in the United States on March 20, 2026
A
Aimee inman
Omaha, US
★★★★★ 5
Glowy, Lightweight Summer Shine
Color: Glistening Bronze, Color: Glistening Bronze
This gives a really pretty sun-kissed glow without feeling greasy or heavy on the skin. The shimmer is noticeable but not over-the-top, and it blends nicely for a smooth, radiant finish. I also like that it has SPF, which makes it perfect for everyday summer use.
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Reviewed in the United States on March 17, 2026

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