SKU: 97278983164

Human CDKN2A/p16INK4a, His tag

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Description

Human CDKN2A/p16INK4a, His tagProduct Specification Species Human Synonyms Cyclin dependent kinase 4 inhibitor A (CDK4I), Multiple tumor suppressor 1 (MTS 1), p16 INK4a (p16 INK4; p16INK4A), CDKN2, MTS1 Accession P42771 Amino Acid Sequence Protein sequence (P42771, Met1 Asp156, with C 10*His) MEPAAGSSMEPSADWLATAAARGRVEEVRALLEAGALPNAPNSYGRRPIQVMMMGSARVAELLLLHGAEPNCADPATLTRPVHDAAREGFLDTLVVLHRAGARLDVRDAWGRLPVDLAEELGHRDVARYLRAAAGGTRGSNHARIDAAEGPSDIPDGGGGSHHHHHHHHHH Expression System

Product Specification


Species Human
Synonyms Cyclin-dependent kinase 4 inhibitor A (CDK4I), Multiple tumor suppressor 1 (MTS-1), p16-INK4a (p16-INK4; p16INK4A), CDKN2, MTS1
Accession P42771
Amino Acid Sequence

Protein sequence (P42771, Met1-Asp156, with C-10*His) MEPAAGSSMEPSADWLATAAARGRVEEVRALLEAGALPNAPNSYGRRPIQVMMMGSARVAELLLLHGAEPNCADPATLTRPVHDAAREGFLDTLVVLHRAGARLDVRDAWGRLPVDLAEELGHRDVARYLRAAAGGTRGSNHARIDAAEGPSDIPDGGGGSHHHHHHHHHH

Expression System E.coli
Molecular Weight Predicted MW: 18.2 kDa Observed MW: 18.2 kDa
Purity >95% by SDS-PAGE
Endotoxin <1EU/μg
Tag with C-10*His
Physical Appearance Lyophilized Powder
Storage Buffer Lyophilized from a 0.2 μm filtered solution of 0.2M PBS, pH7.4.
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

CDKN2A, also known as cyclin-dependent kinase inhibitor 2A, is ubiquitously expressed in many tissues and cell types. The gene codes for two proteins, including the INK4 family member p16 (or p16INK4a) and p14arf. Both act as tumor suppressors by regulating the cell cycle. p16 inhibits cyclin dependent kinases 4 and 6 (CDK4 and CDK6) and thereby activates the retinoblastoma (Rb) family of proteins, which block traversal from G1 to S-phase. Somatic mutations of CDKN2A are common in the majority of human cancers, with estimates that CDKN2A is the second most commonly inactivated gene in cancer after p53. Germline mutations of CDKN2A are associated with familial melanoma, glioblastoma and pancreatic cancer. The CDKN2A gene also contains one of 27 SNPs associated with increased risk of coronary artery disease.

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Exchange/Return Notes
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SKU: 97278983164

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idgf
Lake Worth, US
★★★★★ 5
Great product makes my skin look dewy and soft with no powdery biproduct
Size: 3 Fl Oz (Pack of 1)
Excellent product. It looks white on my fingertips but absorbs as a clear product which feels soft, cool, and gel-like on my skin. I usually use it with a gel moisturizer but I think one can use it on its own.
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Reviewed in the United States on April 27, 2026
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Veronika
Dallas, US
★★★★★ 5
Sunscreen for Combination and Sensitive Skin
Size: 3 Fl Oz (Pack of 1), Size: 3 Fl Oz (Pack of 1)
I’ve been buying different skincare products because I really want to improve the way my skin looks and feels. My skin type is combination, with a history of acne, some acne marks, enlarged pores (especially on my nose and cheeks), a dull and slightly dry tone, occasional sensitivity, a light expression line on my forehead, and sometimes dry patches. As you can see, I have quite a few concerns, so I have to be careful with the products I use. 💬 I chose this Sunscreen, and I’ve absolutely loved it! The texture is lightweight and keeps my skin well-hydrated throughout the day. My face doesn’t look dull anymore — it looks fresh and naturally glowy, which I really appreciate. I also love how quickly it absorbs without leaving any greasy or sticky feeling. And of course, the most important part: it really protects my skin from the sun.
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Reviewed in the United States on October 15, 2025
M
Verified Purchase
Millie
Port Orchard, US
★★★★★ 4
Great product but expensive and small
Size: 3 Fl Oz (Pack of 1)
This looks great on the skin, it's a very good product. Expensive for the size though, the tube is more like travel size. I think it's worth it if you have sensitive or acne-prone skin as this didn't break me out like traditional sunscreens, but I think it's expensive for how much you get.
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Reviewed in the United States on April 11, 2026
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AJ
Alexandria, US
★★★★★ 5
No white cast
Size: 3 Fl Oz (Pack of 1)
Very smooth, doesn’t feel tacky and doesn’t leave a white cast which i needed the most.worth the price
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Reviewed in the United States on May 27, 2026
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Dexter
Whiting, US
★★★★★ 5
Nice
Size: 3 Fl Oz (Pack of 1)
I really like it. Good sun protection factor of 50. And, not heavy feeling or greasy.
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Reviewed in the United States on May 13, 2026

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