Product details

Human IL-21, Tag Free

Catalog number HA211070-01

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Price for HA211070-01

Size / count 20 µg

Specifications

Catalog number: HA211070-01
Size / count: 20 µg
Dry ice: No
Hazardous: No
Discontinued: No
UniProt: Q9HBE4>Q9HBE4
Type: Protein
Source: HEK293
Endotoxin: Less than 1.0 EU per μg by the LAL method.
Purity: >95% as determined by SDS-PAGE.
Bioactivity: Measured by its ability to enhance IFN-gamma secretion in NK-92 human natural killer lymphoma cells. The ED50 for this effect is ≤ 8 ng/mL.
Form: Lyophilized
Reconstitution: Reconstitute at 250 μg/ml in sterile water.
Storage Conditions: Please avoid repeated freeze-thaw cycles. Samples are stable for up to twelve months from date of receipt at -20°C to -80°C It is recommended that aliquot the reconstituted solution to minimize freeze-thaw cycles.
Fragment: IL-21 (32-162)
Formulation: Lyophilized from a 0.2 μm filtered solution of PBS, pH7.4, 5% Trehalose, 5% mannitol.
Species: Human

Frequently Asked Questions

What is the catalog number for Human IL-21, Tag Free?

The catalog number for Human IL-21, Tag Free is HA211070.

What sizes are available for Human IL-21, Tag Free?

Human IL-21, Tag Free is available in the following size(s): 20 µg, 50 µg, 100 µg.

How many pack sizes does Human IL-21, Tag Free come in?

Human IL-21, Tag Free is available in 3 different pack sizes.

Is Human IL-21, Tag Free in stock?

Human IL-21, Tag Free is currently made to order / not held in immediate stock. Contact us for lead time.

How long will it take to receive this product if it’s custom made?

Lead times depend on the product type: custom polyclonal antibodies typically take 12-14 weeks, monoclonal antibodies 15-17 weeks, made-to-order recombinant proteins 4-8 weeks, and made-to-order recombinant antibodies 6-8 weeks. These are estimates and may shift due to production delays.

What is the recommended dilution for this antibody?

A recommended dilution range for each validated application is provided on the datasheet, but optimal dilution should be titrated for your specific experimental system, sample type, and detection method.

What is the recommended storage temperature after reconstitution?

Post-reconstitution storage guidance is listed on the datasheet, typically requiring aliquoting and storage at -20°C or -80°C to preserve activity.

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