Human IL-21 Recombinant Protein

IL21 protein,

Human IL-21 Recombinant Protein expressed in Baculovirus with His-tag. Sequence domain: 30-162aa. Application(s): SDS-PAGE, Bioactivity. Endotoxin: < 1 EU per 1ug of protein (determined by LAL method).

Product Info Summary

SKU: PROTQ9HBE4
Size: Starting from 10ug
Source: Baculovirus
Application: SDS-PAGE, Bioactivity

Product Name

Human IL-21 Recombinant Protein

View all IL21 recombinant proteins

SKU/Catalog Number

PROTQ9HBE4

Size

Starting from 10ug

Tag

His-Tag

Description

Human IL-21 Recombinant Protein expressed in Baculovirus with His-tag. Sequence domain: 30-162aa. Application(s): SDS-PAGE, Bioactivity. Endotoxin: < 1 EU per 1ug of protein (determined by LAL method).

Storage & Handling

Can be stored at 2°C to 8°C for 1 week. For long-term storage, aliquot and store at -20°C to -80°C. Avoid repeated freeze-thaw cycles. (Ships with gel ice.)

Cite This Product

Human IL-21 Recombinant Protein (Boster Biological Technology, Pleasanton CA, USA, Catalog # PROTQ9HBE4)

Form

Liquid

Formulation

Phosphate-Buffered Saline (pH 7.4) containing 20% glycerol

Concentration

0.25mg/ml (determined by Bradford assay)

Purity

> 85% by SDS-PAGE

Predicted MW

18.7 kDa

Endotoxin

< 1 EU per 1ug of protein (determined by LAL method)

Amino Acid Sequence

Human, Q9HBE4, 30-162aa; QGQD RHMIRMRQLI DIVDQLKNYV NDLVPEFLPA PEDVETNCEW SAFSCFQKAQ LKSANTGNNE RIINVSIKKL KRKPPSTNAG RRQKHRLTCP SCDSYEKKPP KEFLERFKSL LQKMIHQHLS SRTHGSEDS

Bioactivity

The activity is determined by the IFN-g ELISA in a using NK-92 cell. The ED50 range ≤ 10 ng/ml.

Validation Images & Assay Conditions

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Size

Total: $293

SKU:PROTQ9HBE4

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Lead time for this item is typically 7-10 days

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This product is for Research Use Only. Not for use in diagnostic procedures.

Update date: Apr 14, 2026