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Method of Production : Transient transfection in 293 cell culture
Method of Purification : Protein A affinity chromatography and SEC
Formulation: PBS pH7.4
Concentration: 2.50 mg/mL
Eedotoxin:<1EU/ug
0.2μm Filtration:Yes
表达宿主:Human Cells
纯度:> 95 % as determined by SDS-PAGE.
内毒素:<1.0 EU per μg protein as determined by the LAL method.
蛋白构建:
A DNA sequence encoding the receptor binding domain (RBD,319-541aa) of 2019-nCoV spike was expressed with the Fc region of mouse IgG1 at the C-terminus.
GIYQTSNFRVQPTESIVRFPNITNLCPFGEVFNATRFASVYAWNRKRISNCVADYSVLYNSASFSTFKCYGVSPTKLNDLCFTNVYADSFVIRGDEVRQIAPGQTGKIADYNYKLPDDFTGCVIAWNSNNLDSKVGGNYNYLYRLFRKSNLKPFERDISTEIYQAGSTPCNGVEGFNCYFPLQSYGFQPTNGVGYQPYRVVVLSFELLHAPATVCGPKKSTN
融合Fc标签氨基酸序列:
PRDCGCKPCICTVPEVSSVFIFPPKPKDVLTITLTPKVTCVVVDISKDDPEVQFSWFVDDVEVHTAQTQPREEQFNSTFRSVSELPIMHQDWLNGKEFKCRVNSAAFPAPIEKTISKTKGRPKAPQV
YTIPPPKEQMAKDKVSLTCMITDFFPEDITVEWQWNGQPAENYKNTQPIMDTDGSYFVYSKLNVQKSNWEAGNTFTCSVLHEGLHNHHTEKSLSHSPGK
分子量:
The recombinant receptor binding domain (RBD) of 2019-nCoV spike consists of 457 amino acids and predicts a molecular mass of 51.5 kDa.