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SARS-CoV-2 ORF8 Protein, His Tag (MALS verified)

The viral protein encoded by open reading frame 8 (ORF8) of SARS-CoV-2, which shares the least homology with SARS-CoV among all viral proteins, directly interacts with MHC-Ι molecules and mediates their down-regulation. In ORF8-expressing cells, MHC-Ι molecules are selectively targeted for lysosomal degradation via autophagy. Thus, SARS-CoV-2–infected cells are much less sensitive to lysis by cytotoxic T lymphocytes.

Product Specifications

Background

The viral protein encoded by open reading frame 8 (ORF8) of SARS-CoV-2, which shares the least homology with SARS-CoV among all viral proteins, directly interacts with MHC-Ι molecules and mediates their down-regulation. In ORF8-expressing cells, MHC-Ι molecules are selectively targeted for lysosomal degradation via autophagy. Thus, SARS-CoV-2–infected cells are much less sensitive to lysis by cytotoxic T lymphocytes.

Specifications

This protein carries a polyhistidine tag at the C-terminus. The protein has a calculated MW of 14.3 kDa. The protein migrates as 18-21 kDa when calibrated against Star Ribbon Pre-stained Protein Marker under reducing (R) condition (SDS-PAGE) due to glycosylation.

Accession Number

P0DTC8-1

Expression Region

Phe 16 - Ile 121

Host

HEK293

Target

ORF8

Conjugation

Unconjugated

Tag

C-10xHis

Source

SARS-CoV-2

Stability

-20°C to -70°C for 12 months in lyophilized state; -70°C for 3 months under sterile conditions after reconstitution. For long term storage, the product should be stored at lyophilized state at -20°C or lower.

Endotoxin

1.0 EU per μg

Purity

90%

Format

Powder

Buffer

PBS, pH7.4

Additives

Trehalose

Molecular Weight

14.3 kDa

Additionnal Information

Please see 'Shipping-and-Payments' sheet. Website: https://www.acrobiosystems.com/support/shipping-and-payments

Shipping Conditions

RT

Storage Conditions

-20°C

Package Size

100ug*1

Host or Source

HEK293

Species

SARS-CoV-2

Protein ID

P0DTC8-1

Preservative

Trehalose

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