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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Tank
Port Orchard, US
★★★★★ 5
Great clean look for a nice casual dress watch
Color: Silver-Tone Bracelet, White Dial, Color: Silver-Tone Bracelet, White Dial
Classy and clean looking design, great quality and excellent price
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Reviewed in the United States on May 17, 2026
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Teddy Bear
Belleville, US
★★★★★ 5
Great quality, highly recommend
Color: Silver-Tone Bracelet, White Dial
I took a chance and bought the Citizen not sure if I would like the look. Received it today and it's handsome. The size is good, it looks substantial. I also like the fact that it runs on the power of light. Would recommend Citizen with no regrets. Thank you Citizen and the seller for a good job.
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Reviewed in the United States on April 27, 2026
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Marc
Bozeman, US
★★★★★ 5
First Citizen
Color: Silver-Tone Bracelet, White Dial
Very happy with my purchase, great price and quality feels like a watch that will last
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Reviewed in the United States on March 9, 2026
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CHAD
Whiting, US
★★★★★ 5
Whoever did this to me will do this to you
Color: Silver-Tone Bracelet, White Dial
Do not let marks build up on your watch bc your in housing or transitional housing and you couldn’t bang up your wrist this much that much or at all it’s just not real how cool this watch is. It heat it’s firm it’s classy and classic just like it says I like to t but I wanna kill who damages my watch’s ppl should not damage my expenses
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Reviewed in the United States on January 1, 2026
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William Hatcher
Alexandria, US
★★★★★ 5
Accurate watch
Color: Silver-Tone Bracelet, White Dial
Excellent watch. Mine gains 6 seconds a month
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Reviewed in the United States on March 19, 2026

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