Recombinant Human KEAP1/INRF2 Protein

Specifications

Catalog number

PKSH030943

Size / count

100 µg

Dry ice

No

Hazardous

No

Discontinued

No

Background

Kelch-like ECH-associated protein 1; also known as cytosolic inhibitor of Nrf2; Kelch-like protein 19; KEAP1 and INRF2; is a cytoplasm and nucleus protein which contains one BACK (BTB/Kelch associated) domain; one BTB (POZ) domain and six Kelch repeats. KEAP1 / INRF2 is broadly expressed; with highest levels in skeletal muscle. KEAP1 / INRF2 is a key regulator of the NRF2 transcription factor; which transactivates the antioxidant response element (ARE) and upregulates numerous proteins involved in antioxidant defense. Under basal conditions; KEAP1 / INRF2 targets NRF2 for ubiquitination and proteolytic degradation and as such is responsible for the rapid turnover of NRF2. KEAP1 / INRF2 retains NFE2L2 / NRF2 in the cytosol. KEAP1 / INRF2 functions as substrate adapter protein for the E3 ubiquitin ligase complex formed by CUL3 and RBX1. It targets NFE2L2 / NRF2 for ubiquitination and degradation by the proteasome; thus resulting in the suppression of its transcriptional activity and the repression of antioxidant response element-mediated detoxifying enzyme gene expression. KEAP1 / INRF2 may also retain BPTF in the cytosol. It targets PGAM5 for ubiquitination and degradation by the proteasome.

Synonyms

INRF2; KEAP-1; KLHL19

UniProt

Q14145

Accession Number

Q14145

Expression System

Baculovirus-Insect Cells

Tag

None

Sequence

Gln2-Cys624

Field of Research

Epigenetics and nuclear signal

Endotoxin

< 1.0 EU per μg of the protein as determined by the LAL method.

Purity

> 90 % as determined by reducing SDS-PAGE.

Bioactivity

Not validated for activity

Reconstitution

Please refer to the printed manual for detailed information.

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

69.7 kDa

Observed Molecular Weight

64 kDa

Species

Human