SKU: 43420103423

Biotinylated IFN-alpha/beta R1 His&Avi Tag Protein, Human

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Description

Biotinylated IFN-alpha/beta R1 His&Avi Tag Protein, HumanProduct Specification Species Human Synonyms IFNAR1,IFRC,IFNAR,CRF2 1,IFNAR 1,IFN R 1 Accession P17181 1 Amino Acid Sequence Lys28 Lys436 with His&Avi Tag at the C Terminus Expression System HEK293 Molecular Weight 72 95kDa (Reducing) Purity 95% by SDS PAGE & > 90% SEC HPLC Conjugation Biotin Tag Avi Tag, His Tag Physical Appearance Lyophilized powder Storage Buffer PBS, PH7. 4, 5% trehalose Reconstitution Reconstitute at 0. 1 1 mg ml according to the

Product Specification


Species Human
Synonyms IFNAR1,IFRC,IFNAR,CRF2-1,IFNAR-1,IFN-R-1
Accession P17181-1
Amino Acid Sequence

Lys28-Lys436 with His&Avi Tag at the C-Terminus

Expression System HEK293
Molecular Weight

72-95kDa (Reducing)

Purity >95% by SDS-PAGE & > 90% SEC-HPLC
Conjugation Biotin
Tag Avi Tag, His Tag
Physical Appearance Lyophilized powder
Storage Buffer

PBS, PH7.4, 5% trehalose

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.Constantinescu SN, Croze E, Wang C, Murti A, Basu L, Mullersman JE, Pfeffer LM. Role of interferon alpha/beta receptor chain 1 in the structure and transmembrane signaling of the interferon alpha/beta receptor complex. Proc Natl Acad Sci U S A. 1994 Sep 27;91(20):9602-6.
2.Basu L, Yang CH, Murti A, Garcia JV, Croze E, Constantinescu SN, Mullersman JE, Pfeffer LM. The antiviral action of interferon is potentiated by removal of the conserved IRTAM domain of the IFNAR1 chain of the interferon alpha/beta receptor: effects on JAK-STAT activation and receptor down-regulation. Virology. 1998 Mar 1;242(1):14-21.

Background

The interferon-α/β receptor alpha chain (IFNAR1, CD118) is a single-pass transmembrane protein that belongs to the class II cytokine receptor family and contains four fibronectin type-III domains; together with IFNAR2 it forms the type I interferon receptor. Serving as the high-affinity binding site for IFN-α/β, IFNAR1 can also transduce IFN-β signals independently and modulate—sometimes suppress—the Jak-STAT pathway, thereby acting as a critical on/off switch in innate antiviral immunity. Its expression level or mutation at Tyr466 directly affects STAT phosphorylation efficiency, linking IFNAR1 to chronic viral infections, autoimmune disorders and interferon therapy resistance, making it a key biomarker for assessing IFN efficacy and developing targeted immunomodulatory drugs.

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SKU: 43420103423

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Bri Hires
Chelsea, US
★★★★★ 3
Slightly repetitive but I did love some things
Format: Kindle
I love this type of story. And omegaverse is one of my all time favorite genres. But there are a few things that pulled me out of my enjoyment while I was reading. It was repetitive at times as well as struggled with telling not showing. So we didn’t always feel like we were experiencing things with the main character. There were also some plot holes but they may still be answered in part 2. Now this isn’t to be said I didn’t enjoy parts of the story. I loved the almost instant love between Mila and Oliver. And how he started changing around her.
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Reviewed in the United States on February 15, 2024
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Kimberly G
Dallas, US
★★★★★ 5
delightful read
Format: Kindle
What a delightful read. The characters are awesome, the plot was so good, I loved it. I was intrigued and it kept me wanting more. Told in multiple pov, the book sucks you in and doesn’t let go. I cannot wait to read the next book.
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Reviewed in the United States on January 30, 2025
K
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Kimberly B
San Leandro, US
★★★★★ 4
not bad
Format: Kindle
I loved the plot of this book. The characters just didn’t have a lot of depth. The connections and “love” just weren’t communicated very well in the writing. The author didn’t write the sweet psycho trope very well at all either. Lachlan was just a mess of a character.
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Reviewed in the United States on November 17, 2023
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Carmen Alicea
Alexandria, US
★★★★★ 5
A Beta Worth Rooting For
Format: Kindle
In Spare, Violet Fox flips the omegaverse on its head, giving us a Beta heroine determined to make her mark. Joining the Beta Trials to support her sick father, she's thrown into a pack that doesn't want her, especially the possessive Alphas. But here's the twist: their sweet Omega turns out to be her scent match. Cue the angst, forbidden tension, and a slow-burn romance that will make your heart ache in the best way. Violet Fox delivers an emotional, refreshing take on the genre, proving Betas aren't "spares." They're stars.
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Reviewed in the United States on January 10, 2025
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C. Hunter
Natrona Heights, US
★★★★★ 5
Beta, Alpha, Omega oh my!
Format: Kindle
Omegas are precious and given to Alphas & their packs... but the Betas want in too. To this end, the Beta government is rolling out its trial of assigning a Beta to each Alpha-Omega pack. But forcing a Beta into a pack where they are not wanted will not end well... Of course, no one expected the Omega to fall for the assigned Beta. Great read and cliffhanger
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Reviewed in the United States on February 15, 2025

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