Recombinant Rat IL-21 Protein (Trx Tag)

Specifications

Catalog number

PDER100108-01

Size / count

20 µg

Dry ice

No

Hazardous

No

Discontinued

No

Abbreviation

IL-21

UniProt

A3QPB9

Accession Number

A3QPB9

Expression System

E.coli

Tag

N-Trx

Sequence

His18-Ser146

Endotoxin

< 10 EU/mg of the protein as determined by the LAL method.

Purity

> 90% as determined by reducing SDS-PAGE.

Bioactivity

Not validated for activity

Reconstitution

It is recommended that sterile water be added to the vial to prepare a stock solution of 0.5 mg/mL. Concentration is measured by UV-Vis.

Shipping Conditions

This product is provided as lyophilized powder which is shipped with ice packs.

Storage Conditions

Generally, lyophilized proteins are stable for up to 12 months when stored at -20 to -80°C. Reconstituted protein solution can be stored at 4-8°C for 2-7 days. Aliquots of reconstituted samples are stable at < -20°C for 3 months.

Calculated Molecular Weight

34.0 kDa

Observed Molecular Weight

35 kDa

Formulation

Lyophilized from a 0.2 μm filtered solution in PBS with 5% Trehalose and 5% Mannitol.

Species

Rat