HCoV-HKU1 (isolate N5) Spike Trimer Protein, His Tag (MALS verified) | SPN-H52H5-50ug

HCoV-HKU1 (isolate N5) Spike Trimer Protein, His Tag (MALS verified) | SPN-H52H5-50ug| Gentaur Distribution US, UK & Europe

It's been reported that SARS-CoV-2 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.

Source: HCoV-HKU1 (isolate N5) Spike Trimer, His Tag (SPN-H52H5) is the ectodomain of HCoV-HKU1 (isolate N5) spike protein which contains AA Ala 13 - Asn 1276 (Accession # Q0ZME7-1). The recombinant protein is expressed from human 293 cells (HEK293) with T4 fibritin trimerization motif and a polyhistidine tag at the C-terminus. The S1/S2 furin-recognition site 752-RRKRR-756 is mutated to GGSGS to generate the uncleaved protein. Proline substitutions (N1067P, L1068P) are introduced to stabilize the trimeric prefusion state of the spike protein.

Format: Powder.

Tag: C-10×His.

Expression System: HEK293.

Expression Region: Ala 13 - Asn 1276.

Conjugate: Unconjugated.

Molecular Weight: 145.5 kDa.

Characteristics: This protein carries a polyhistidine tag at the C-terminus. The protein has a calculated MW of 145.5 kDa. The protein migrates as 180-210 kDa when calibrated against Star Ribbon Pre-stained Protein Marker under reducing (R) condition (SDS-PAGE) due to glycosylation.

Purity: 95%.

Buffer: PBS.

Storage Conditions: -20℃.

Shipping Conditions: RT