SKU: 28615602549

IL-4 Protein, Human

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Description

IL-4 Protein, HumanProduct Specification Species Human Synonyms IL4; IL 4; interleukin 4; MGC79402; pitrakinra; B cell growth factor 1; BCDF; BCGF1; BCGF 1; binetrakin; BSF1; BSF 1; BSF 1 Accession P05112 1 Amino Acid Sequence His25 Ser153 Expression System HEK293 Molecular Weight The protein has a predicted MW of 14. 96 kDa. Due to glycosylation, the protein migrates to 23 25 kDa based on Bis Tris PAGE result. Purity > 95% as determined by Bis Tris PAGE& HPLC Endotoxin

Product Specification


Species Human
Synonyms IL4; IL-4; interleukin 4; MGC79402; pitrakinra; B cell growth factor 1; BCDF; BCGF1; BCGF-1; binetrakin; BSF1; BSF-1; BSF-1
Accession P05112-1
Amino Acid Sequence

His25-Ser153

Expression System HEK293
Molecular Weight The protein has a predicted MW of 14.96 kDa. Due to glycosylation, the protein migrates to 23-25 kDa based on Bis-Tris PAGE result.
Purity > 95% as determined by Bis-Tris PAGE& HPLC
Endotoxin <1EU/μg
Conjugation Unconjugated
Tag No Tag
Physical Appearance Lyophilized powder
Storage Buffer

PBS (pH 7.4). Normally 8% trehalose is added as protectant before lyophilization.

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.
3 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

Interleukin-4, also known as IL4, is a secreted protein which belongs to the IL-4 / IL-13 family. Interleukin-4 / IL4 has many biological roles, including the stimulation of activated B-cell and T-cell proliferation.In the presence of IL-4 and IL-13, cytokines that are produced in a Th-2 type response, particularly during allergy and parasitic infections, macrophages become differentially activated, And this cytokine is a ligand for interleukin 4 receptor.

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Exchange/Return Notes
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SKU: 28615602549

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★★★★★ 5
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Color: yelllow
Great, comfortable watch. Keeps good time. Easy to read face. No bells and whistles, just a good watch.
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Reviewed in the United States on January 26, 2026
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★★★★★ 3
cool night time electro backlight
Color: black
decent digital watch big display for older folks, but gains time about 1 /2 seconds a day!
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Reviewed in the United States on November 26, 2025
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Josh
Port Orchard, US
★★★★★ 5
Better Than I Hoped
Color: blue, Color: blue
I have had Apple Watches for the past 6 or so years. I wanted to try out a basic watch again. I looked at digital watches but some were still over $100. I thought I’d give this watch a try as the price made it a pretty low risk. No notes. It looks great and does what watches are supposed to do. I wish it had a vibrate so I could use it as an alarm clock without waking up my wife.
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Reviewed in the United States on May 19, 2026
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Theresa F Charles
Port Orchard, US
★★★★★ 5
Watch
Color: green
It is a good watch.
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Reviewed in the United States on April 20, 2026
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ruben r. leal
Los Angeles, US
★★★★★ 5
this is the perfect daily everyday use digital watch........
Color: Black
hands down the best edc digital watch available, this watch is everything you need at a quarter of the cost of other digital watches. we all know the durability of iron man watches its legendary, but where this watch beats even other iron man offerings is the size of the digital numbers displayed a bit larger for aging eyes and what makes it even more durable than the other iron man watch's is that the instructional labeling of the buttons is under the glass and wont fade or rub off under use making it look cleaner and newer for longer. now lets mention the size or foot print of this watch, i own several watches from competing brands and almost once a day i hit the watch on something a door knob a table corner, but when I'm wearing this Timex 40mm i never hit it on anything due to the thinness of the watch.
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Reviewed in the United States on May 11, 2025

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