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AB221397

Recombinant human IL-2 Receptor alpha protein (Active)

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Recombinant human IL-2 Receptor alpha protein (Active) is a Human Fragment protein, in the 22 to 213 aa range, expressed in HEK 293 cells, with >95%, < 1 EU/µg endotoxin level, suitable for SDS-PAGE, FuncS.

View Alternative Names

CD25, Interleukin-2 receptor subunit alpha, IL-2 receptor subunit alpha, IL-2-RA, IL-2R subunit alpha, IL2-RA, TAC antigen, p55, IL2RA

5 Images
Functional Studies - Recombinant human IL-2 Receptor alpha protein (Active) (AB221397)
  • FuncS

Unknown

Functional Studies - Recombinant human IL-2 Receptor alpha protein (Active) (AB221397)

Immobilized Biotinylated Human IL-2, Fc,Avitag at 1 μg/mL (100 μL/well) on streptavidin precoated (0.2 μg/well) plate, can bind ab221397 with a linear range of 1-39 ng/mL.

Functional Studies - Recombinant human IL-2 Receptor alpha protein (Active) (AB221397)
  • FuncS

Supplier Data

Functional Studies - Recombinant human IL-2 Receptor alpha protein (Active) (AB221397)

ab221397 inhibits the IL-2 dependent proliferatino of Mo7e cells. The EC50 for this effect is 0.35-0.77 μg/mL.

Functional Studies - Recombinant human IL-2 Receptor alpha protein (Active) (AB221397)
  • FuncS

Supplier Data

Functional Studies - Recombinant human IL-2 Receptor alpha protein (Active) (AB221397)

Loaded ab221397 on HIS1K Biosensor, can bind Human IL-2, Tag Free with an affinity constant of 18 nM as determined in BLI assay (ForteBio Octet Red96e).

Functional Studies - Recombinant human IL-2 Receptor alpha protein (Active) (AB221397)
  • FuncS

Unknown

Functional Studies - Recombinant human IL-2 Receptor alpha protein (Active) (AB221397)

ab221397 captured on CM5 chip via anti-His antibody, can bind Human IL-2, Tag Free with an affinity constant of 29.9 nM as determined in a SPR assay (Biacore T200).

SDS-PAGE - Recombinant human IL-2 Receptor alpha protein (Active) (AB221397)
  • SDS-PAGE

Unknown

SDS-PAGE - Recombinant human IL-2 Receptor alpha protein (Active) (AB221397)

SDS-PAGE of reduced ab221397 stained overnight with Coomassie Blue. The protein migrates as 34-46 kDa under reducing conditions due to glycosylation.

Key facts

Purity

>95% SDS-PAGE

Endotoxin level

< 1 EU/µg

Expression system

HEK 293 cells

Tags

His tag C-Terminus

Applications

SDS-PAGE, FuncS

applications

Biologically active

Yes

Biological activity

Measured by its binding ability in a functional ELISA. Immobilized Human IL-2, Tag Free at 5 μg/mL (100 μL/well) can bind ab221397 with a linear range of 0.01-1.11 μg/mL.

Accession

P01589

Animal free

No

Carrier free

No

Species

Human

Reconstitution

Reconstitute at 400 µg/mL in water

Storage buffer

pH: 7.4 Constituents: PBS, 5% Trehalose

storage-buffer

Reactivity data

{ "title": "Reactivity Data", "filters": { "stats": ["", "Reactivity", "Dilution Info", "Notes"] }, "values": { "SDS-PAGE": { "reactivity":"TESTED_AND_REACTS", "dilution-info":"", "notes":"<p></p>" }, "FuncS": { "reactivity":"TESTED_AND_REACTS", "dilution-info":"", "notes":"<p></p>" } } }

Product details

This product is stable after storage at:

  • -20°C to -70°C for 12 months in lyophilized state;
  • -70°C for 3 months under sterile conditions after reconstitution.

Sequence info

[{"sequence":"ELCDDDPPEIPHATFKAMAYKEGTMLNCECKRGFRRIKSGSLYMLCTGNSSHSSWDNQCQCTSSATRNTTKQVTPQPEEQKERKTTEMQSPMQPVDQASLPGHCREPPPWENEATERIYHFVVGQMVYYQCVQGYRALHRGPAESVCKMTHGKTRWTQPQLICTGEMETSQFPGEEKPQASPEGRPESETSC","proteinLength":"Fragment","predictedMolecularWeight":"23.6 kDa","actualMolecularWeight":null,"aminoAcidEnd":213,"aminoAcidStart":22,"nature":"Recombinant","expressionSystem":"HEK 293 cells","accessionNumber":"P01589","tags":[{"tag":"His","terminus":"C-Terminus"}]}]

Properties and storage information

Shipped at conditions
Blue Ice
Appropriate short-term storage conditions
-20°C
Appropriate long-term storage conditions
-20°C
Aliquoting information
Upon delivery aliquot
Storage information
Avoid freeze / thaw cycle
True

Specifications

Form

Lyophilized

General info

Function

Receptor for interleukin-2. The receptor is involved in the regulation of immune tolerance by controlling regulatory T cells (TREGs) activity. TREGs suppress the activation and expansion of autoreactive T-cells.

Product protocols

Target data

Receptor for interleukin-2. The receptor is involved in the regulation of immune tolerance by controlling regulatory T cells (TREGs) activity. TREGs suppress the activation and expansion of autoreactive T-cells.
See full target information IL2RA

Product promise

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