Author: Labonté, P; Mounir, S; Talbot, P J
Title: Sequence and expression of the ns2 protein gene of human coronavirus OC43. Cord-id: zhgzpi0j Document date: 1995_1_1
ID: zhgzpi0j
Snippet: The complete nucleotide sequence of the ns2 gene of human coronavirus OC43 (HCV-OC43) was determined. Sequence analysis revealed an open reading frame that could encode a protein of 278 amino acids, with an estimated molecular mass of 32.2 kDa. Six potential phosphorylation sites are present but no sites of N-glycosylation were found. The amino acid sequence of the HCV-OC43 ns2 protein shows 92% identity with that of the Mebus strain of bovine coronavirus (BCV). However, a stretch of nine consec
Document: The complete nucleotide sequence of the ns2 gene of human coronavirus OC43 (HCV-OC43) was determined. Sequence analysis revealed an open reading frame that could encode a protein of 278 amino acids, with an estimated molecular mass of 32.2 kDa. Six potential phosphorylation sites are present but no sites of N-glycosylation were found. The amino acid sequence of the HCV-OC43 ns2 protein shows 92% identity with that of the Mebus strain of bovine coronavirus (BCV). However, a stretch of nine consecutive amino acids near the C terminus is completely different, causing it to be very hydrophilic, which contrasts with the hydrophobic nature of this region in BCV. As shown by immunofluorescence with a monospecific antiserum, the ns2 protein was expressed in the cytoplasm of HCV-OC43-infected HRT-18 cells.
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