Structure of PDB 6x1b Chain A Binding Site BS01

Receptor Information
>6x1b Chain A (length=348) Species: 2697049 (Severe acute respiratory syndrome coronavirus 2) [Search protein sequence] [Download receptor structure] [Download structure with residue number starting from 1] [View receptor structure]
NMSLENVAFNVVNKGHFDGQQGEVPVSIINNTVYTKVDGVDVELFENKTT
LPVNVAFELWAKRNIKPVPEVKILNNLGVDIAANTVIWDYKRDAPAHIST
IGVCSMTDIAKKPTETICAPLTVFFDGRVDGQVDLFRNARNGVLITEGSV
KGLQPSVGPKQASLNGVTLIGEAVKTQFNYYKKVDGVVQQLPETYFTQSR
NLQEFKPRSQMEIDFLELAMDEFIERYKLEGYAFEHIVYGDFSHSQLGGL
HLLIGLAKRFKESPFELEDFIPMDSTVKNYFITDAQTGSSKCVCSVIDLL
LDDFVEIIKSQDLSVVSKVVKVTIDYTEISFMLWCKDGHVETFYPKLQ
Ligand information
Receptor-Ligand Complex Structure
Global viewLocal viewStructure summary

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PDB6x1b Tipiracil binds to uridine site and inhibits Nsp15 endoribonuclease NendoU from SARS-CoV-2.
Resolution1.97 Å
Binding residue
(original residue number in PDB)
H250 K290 V292 S294 W333 Y343
Binding residue
(residue number reindexed from 1)
H251 K291 V293 S295 W334 Y344
Enzymatic activity
Enzyme Commision number 2.1.1.56: mRNA (guanine-N(7))-methyltransferase.
2.1.1.57: methyltransferase cap1.
2.7.7.48: RNA-directed RNA polymerase.
2.7.7.50: mRNA guanylyltransferase.
3.1.13.-
3.4.19.12: ubiquitinyl hydrolase 1.
3.4.22.-
3.4.22.69: SARS coronavirus main proteinase.
3.6.4.12: DNA helicase.
3.6.4.13: RNA helicase.
4.6.1.-
External links
PDB RCSB:6x1b, PDBe:6x1b, PDBj:6x1b
PDBsum6x1b
PubMed33564093
UniProtP0DTD1|R1AB_SARS2 Replicase polyprotein 1ab (Gene Name=rep)

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