SKU: 47110556901

CALR/Calreticulin His Tag Protein, Human

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Description

CALR/Calreticulin His Tag Protein, HumanProduct Specification Species Human Synonyms CRT, HEL S 99n, RO, SSA Accession P27797 Amino Acid Sequence Glu18 Ala413, with C terminal His Expression System HEK293 Molecular Weight 50 60kDa (Reducing) Purity 95% by SDS PAGE Endotoxin <0. 1EU g Conjugation Unconjugated Tag His Tag Physical Appearance Lyophilized Powder Storage Buffer PBS, pH7. 4. Reconstitution Reconstitute at 0. 1 1 mg ml according to the size in ultrapure water after rapid

Product Specification


Species Human
Synonyms CRT, HEL-S-99n, RO, SSA
Accession P27797
Amino Acid Sequence Glu18-Ala413, with C-terminal His
Expression System HEK293
Molecular Weight

50-60kDa (Reducing)

Purity >95% by SDS-PAGE
Endotoxin <0.1EU/μg
Conjugation Unconjugated
Tag His Tag
Physical Appearance Lyophilized Powder
Storage Buffer PBS, pH7.4.
Reconstitution

Reconstitute at 0.1-1 mg/ml according to the size in ultrapure water after rapid centrifugation.

Stability & Storage · 12 months from date of receipt, lyophilized powder stored at -20 to -80℃.
· 3 months, -20 to -80℃ under sterile conditions after reconstitution.
· 1 week, 2 to 8℃ under sterile conditions after reconstitution.
· Please avoid repeated freeze-thaw cycles.
Reference

1.Michalak M, et al. (2002) Calreticulin in cardiac development and pathology. Biochim Biophys Acta. 1600(1-2):32-7. 2.Chao MP, et al. (2010) Calreticulin is the dominant pro-phagocytic signal on multiple human cancers and is counterbalanced by CD47. Sci Transl Med. 2(63):63ra94. 3.Andrin, C, et al. (1998) Interaction between a Ca2+-binding protein calreticulin and perforin, a component of the cytotoxic T-cell granules. Biochemistry. 37(29):10386-94.

Background

Calreticulin is a multifunctional protein. It acts as a main Ca(2+)-binding (storage) protein in the lumen of the endoplasmic reticulum. Calreticulin binds Ca2+ ions (a second messenger in signal transduction), rendering it inactive. The Ca2+ is bound with low affinity, but high capacity, and can be released on a signal. Located in storage compartments associated with the endoplasmic reticulum, calreticulin also binds to misfolded proteins and prevents them from being exported from the endoplasmic reticulum to the golgi apparatus. The amino terminus of calreticulin interacts with the DNA-binding domain of the glucocorticoid receptor and prevents the receptor from binding to its specific glucocorticoid response element. Calreticulin reduces the binding of androgen receptor to its hormone-responsive DNA element and inhibits androgen receptor and retinoic acid receptor transcriptional activities in vivo, as well as retinoic acid-induced neuronal differentiation. Therefore, calreticulin acts as a significant modulator of the regulation of gene transcription by nuclear hormone receptors.

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SKU: 47110556901

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candace
Phoenix, US
★★★★★ 4
Comfortable pillows
Color: White, Size: King (Pack of 2)
I bought the king size and they are like a small body pillow. They’re soft n squishy which I like but yet provide the right amount of support. I’ve bought these twice and the 2nd set seemed a little less filled than the first but still comfortable. I would buy again.
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Reviewed in the United States on January 29, 2026
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Dodge Dart
Alexandria, US
★★★★★ 5
Very large and comfortable.
Color: White, Size: Standard (Pack of 2)
Large with great cushioning effect. Ordered this twice because they are such a good value.
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Reviewed in the United States on April 30, 2026
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Kindle Customer
Lowell, US
★★★★★ 5
Price
Color: White, Size: Standard (Pack of 2)
Love the new pillows! Even though there smaller than my last larger pillows. I would recommend these pillows if you do just want a smaller fluffy ones.
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Reviewed in the United States on June 9, 2026
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Andrew
Port Orchard, US
★★★★★ 5
Best pillows
Color: White, Size: King (Pack of 2)
Favorite pillow ever, neck support is awesome and so comfy
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Reviewed in the United States on April 19, 2026
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mcr
Lowell, US
★★★★★ 1
The king size pillows do not offer the same firmness and comfort as the standard size.
Color: White, Size: King (Pack of 2)
I buy a lot from from Amazon and this is my first negative review as this was one of my biggest disappointments. I have bought 7 sets of this Basic pillow in the Standard size over the past 4 years, for my home and my boyfriends, using them both to sleep on and for my pillow shams. I love these pillows and my guests do too, best sleep ever and I have tried a number of expensive pillows prior to this. So when I recently purchased my first king size bed, I bought two sets of the king size pillow of this same brand, and I hate them. They are not the same as the standard size as they are flat, and no matter how much I tried to fluff them up, they fall flat in filling and firmness. After a few restless nights using my new king size pillows, I used the standard pillows I purchased in the past and there is definitely a difference. I see where there are different reviews/opinions on this, but this has been my experience. I will be complaining to Amazon, though not sure there is anything they can do since I used them.
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Reviewed in the United States on August 13, 2025

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