SARS-CoV-2 (COVID-19) S1 protein NTD (N234Q), His Tag, Variant Lineage B.1.429

Molecular Weight: 34.9 kDa
Tag: His Tag
Source: SARS-CoV-2 S1 protein NTD (N234Q), His Tag (S1D-C52H7) is expressed from human 293 cells (HEK293). It contains AA Ser 13 - Leu 303(N234Q) (Accession # QHD43416.1(N234Q)).
Purity: >90% as determined by SDS-PAGE.
Endotoxin Level: Less than 1.0 EU per μg by the LAL method.
Format: Powder
Additional Information
Synonyms: S1 protein NTD,Spike protein S1 NTD,BetaCoV S1-NTD
Organism: Other
Acc.No.: QHD43416.1(N234Q)

Sequence Information

Ser 13 - Leu 303(N234Q)


It's been reported that Coronavirus can infect the human respiratory epithelial cells through interaction with the human ACE2 receptor. The spike protein is a large type I transmembrane protein containing two subunits, S1 and S2. S1 mainly contains a receptor binding domain (RBD), which is responsible for recognizing the cell surface receptor. S2 contains basic elements needed for the membrane fusion.The S protein plays key parts in the induction of neutralizing-antibody and T-cell responses, as well as protective immunity.

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