Title : Structural basis for backtracking by the SARS-CoV-2 replication-transcription complex.

Pub. Date : 2021 May 11

PMID : 33883267






2 Functional Relationships(s)
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1 The results establish that the single-stranded 3" segment of the product RNA generated by backtracking extrudes through the RdRp nucleoside triphosphate (NTP) entry tunnel, that a mismatched nucleotide at the product RNA 3" end frays and enters the NTP entry tunnel to initiate backtracking, and that nsp13 stimulates RdRp backtracking. [[(2R,3S,4R,5S)-3,4-dihydroxy-5-methyloxolan-2-yl]methoxy-hydroxyphosphoryl] phosphono hydrogen phosphate ORF1a polyprotein;ORF1ab polyprotein Severe acute respiratory syndrome coronavirus 2
2 The results establish that the single-stranded 3" segment of the product RNA generated by backtracking extrudes through the RdRp nucleoside triphosphate (NTP) entry tunnel, that a mismatched nucleotide at the product RNA 3" end frays and enters the NTP entry tunnel to initiate backtracking, and that nsp13 stimulates RdRp backtracking. [[(2R,3S,4R,5S)-3,4-dihydroxy-5-methyloxolan-2-yl]methoxy-hydroxyphosphoryl] phosphono hydrogen phosphate ORF1a polyprotein;ORF1ab polyprotein Severe acute respiratory syndrome coronavirus 2