Overview

Gen­er­al Description

Recom­bi­nant SARS-COV-2 Spike S1 NTD Pro­tein is expressed from HEK293 with His tag and Flag tag at the C​-ter​mi​nal​.It con­tains Val16-Ser305.

Biotiny­lat­ed

Spec­i­fi­ca­tions

Tar­get

Spike S1 NTD

Syn­onyms

S1 pro­tein NTD,Spike gly­co­pro­tein Subunit1 NTD,S gly­co­pro­tein Subunit1 NTD,Spike pro­tein S1 NTD

Acces­sion

QHD43416

Species

SARS-COV-2

Exact Sequence

Val16-Ser305

Mol­e­c­u­lar Weight

The pro­tein has a pre­dict­ed MW of 35 kDa. Due to gly­co­sy­la­tion, the pro­tein migrates to 55-70 kDa based on Tris-Bis PAGE result.

Activ­i­ty

Prod­uct Tag

C-His-Flag

Express Sys­tem

HEK293

Puri­ty

> 95% as deter­mined by Tris-Bis PAGE;> 95% as deter­mined by HPLC

Endo­tox­in

Less than 1EU per ug by the LAL method.

Ship­ping, Recon­sti­tu­tion & Storage

Appear­ance

Lyophilized

Ship­ping Conditions

Shipped at ambi­ent temperature.

For­mu­la­tion

Lyophilized from 0.22um fil­tered solu­tion in PBS (pH 7.4). Nor­mal­ly 5% tre­halose is added as pro­tec­tant before lyophilization.

Recon­sti­tu­tion

Cen­trifuge tubes before open­ing. Recon­sti­tut­ing to a con­cen­tra­tion more than 100 ug/​ml is rec­om­mend­ed. Dis­solve the lyophilized pro­tein in dis­tilled water.

Sta­bil­i­ty & Storage

Recon­sti­tut­ed pro­tein sta­ble at -80°C for 12 months, 4°C for 1 week. Use a man­u­al defrost freez­er and avoid repeat­ed freeze-thaw cycles.

Gen­er­al View of Documents

The puri­ty of SARS-COV-2 Spike S1 NTD is greater than 95% as deter­mined by SEC-HPLC.

SARS-COV-2 Spike S1 NTD on Tris-Bis PAGE under reduced con­di­tion. The puri­ty is greater than 95%.

This prod­uct is brand­ed by ChemWhat and sold through our web­site. (ChemWhat Offi­cial Web­site).

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