SARS-CoV-2 (2019-nCoV) Spike S1 Protein, His-Tag, stabilized Trimer
Order number: S5333.0100Shipping: shipped on wet ice, stored at -80°C
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The engineered recombinant Sars-Co-V-2 Spike S1 protein contains specific amino acid substitutions to stabilize the prefusion conformation (2P). Furthermore, the furin cleavage site at the boundary between the S1/S2 subunits was deleted and an artificial trimerization domain was added to the C-terminal end of the monomer. Above all, the spike is a major immunogen and an interesting target for vaccine development as well as for serological assays.
The SARS-CoV-2 spike is presented as a trimeric structure on the surface of the virus. It consists of three identical transmembrane proteins, called spike proteins, each containing two subunits: the S1 and the S2 subunit. The S1 is necessary for the recognition of the receptor on the surface of a susceptible cell. In addition, the S2 subunit is responsible for the fusion of the virus with the cell membrane of the host cell. Upon binding of the host receptor hACE2, the distal S1 domain is cleaved. This reveals the fusion machinery of the S2 subunit, which mediates the entry into the cell. Moreover, the Spike protein is heavily glycosylated by N-linked glycans that are important for the proper folding of the protein and the recognition by neutralizing antibodies.
Sequence without tags (AS 16-1211): VNLTTRTQLPPAYTNSFTRGVYYPDKVFRSSVLHSTQDLFLPFFSNVTWFHAIHVSGTNGTKRFDNPVLPFNDGVYFASTEKSNIIRGWIFGTTLDSKTQSLLIVNNATNVVIKVCEFQFCN DPFLGVYYHKNNKSWMESEFRVYSSANNCTFEYVSQPFLMDLEGKQGNFKNLREFVFKNIDGYFKIYSKHTPINLVRDLPQGFSALEPLVDLPIGINITRFQTLLALHRSYLTPGDSSSGW TAGAAAYYVGYLQPRTFLLKYNENGTITDAVDCALDPLSETKCTLKSFTVEKGIYQTSNFRVQPTESIVRFPNITNLCPFGEVFNATRFASVYAWNRKRISNCVADYSVLYNSASFSTFKCY GVSPTKLNDLCFTNVYADSFVIRGDEVRQIAPGQTGKIADYNYKLPDDFTGCVIAWNSNNLDSKVGGNYNYLYRLFRKSNLKPFERDISTEIYQAGSTPCNGVEGFNCYFPLQSYGFQPT NGVGYQPYRVVVLSFELLHAPATVCGPKKSTNLVKNKCVNFNFNGLTGTGVLTESNKKFLPFQQFGRDIADTTDAVRDPQTLEILDITPCSFGGVSVITPGTNTSNQVAVLYQDVNCTEVP VAIHADQLTPTWRVYSTGSNVFQTRAGCLIGAEHVNNSYECDIPIGAGICASYQTQTNSPGASVASQSIIAYTMSLGAENSVAYSNNSIAIPTNFTISVTTEILPVSMTKTSVDCTMYICGDST ECSNLLLQYGSFCTQLNRALTGIAVEQDKNTQEVFAQVKQIYKTPPIKDFGGFNFSQILPDPSKPSKRSFIEDLLFNKVTLADAGFIKQYGDCLGDIAARDLICAQKFNGLTVLPPLLTDEMIA QYTSALLAGTITSGWTFGAGAALQIPFAMQMAYRFNGIGVTQNVLYENQKLIANQFNSAIGKIQDSLSSTASALGKLQDVVNQNAQALNTLVKQLSSNFGAISSVLNDILSRLDPPEAEVQID RLITGRLQSLQTYVTQQLIRAAEIRASANLAATKMSECVLGQSKRVDFCGKGYHLMSFPQSAPHGVVFLHVTYVPAQEKNFTTAPAICHDGKAHFPREGVFVSNGTHWFVTQRNFYEPQII TTDNTFVSGNCDVVIGIVNNTVYDPLQPELDSFKEELDKYFKNHTSPDVDLGDISGINASVVNIQKEIDRLNEVAKNLNESLIDLQELGKY
RefSeq Links: NC_045512.2; MN908947.3; YP_009724390.1; QHD43416.1; GeneID: 43740568; UniProt: P0DTC2
SARS-CoV-2 (2019-nCoV) Spike S1 Protein can be used for the development of diagnostic kits. It is not for direct detection of SARS-Cov-2. The counterpart to SARS-CoV-2 is ACE2 (angiotensin converting enzyme-2), which has previously been described as a receptor for SARS-CoV.
Formulation: PBS, 5% (w/v) Trehalose, pH7.4
Format: Liquid, stored and shipped at -80°C
Purity: >85% as determined by SDS-PAGE
with C-terminal His-Tag and Strep-Tag
MW: about 260 kDa
Expression host: human, HEK293
Species: Wuhan seafood market pneumonia virus; 2019-nCoV
Sicherheits Hinweise / Safety
Klassifizierungen / Classificationeclass-Nr: 34-16-04-90
Dokumente - Protokolle - Downloads
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