SARS-CoV-2 (COVID-19) S1 protein CTD, His Tag

Molecular Weight: 23.6 kDa
Tag: His Tag
Source: SARS-CoV-2 S1 protein CTD, His Tag (MALS-verified) (S1D-C52H3) is expressed from human 293 cells (HEK293). It contains AA Asn 334 - Pro 527 (Accession # QHD43416.1).
Purity: >95% 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 CTD,Spike protein S1 CTD,BetaCoV S1-CTD
Organism: Other
Acc.No.: QHD43416.1

Sequence Information

Asn 334 - Pro 527


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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