Structure of PDB 5s3q Chain B

Receptor sequence
>5s3qB (length=169) Species: 2697049 (Severe acute respiratory syndrome coronavirus 2) [Search protein sequence]
SMVNSFSGYLKLTDNVYIKNADIVEEAKKVKPTVVVNAANVYLKHGGGVA
GALNKATNNAMQVESDDYIATNGPLKVGGSCVLSGHNLAKHCLHVVGPNV
NKGEDIQLLKSAYENFNQHEVLLAPLLSAGIFGADPIHSLRVCVDTVRTN
VYLAVFDKNLYDKLVSSFL
3D structure
PDB5s3q Fragment binding to the Nsp3 macrodomain of SARS-CoV-2 identified through crystallographic screening and computational docking.
ChainB
Resolution1.09 Å
3D
structure
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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.-
Interaction with ligand
Site
#		 Ligand Ligand
chain		 Binding residues on receptor
(original residue number in PDB)		 Binding residues on receptor
(residue number reindexed from 1)		 Binding affinity
BS01 W2A B Q107 S111 Q107 S111
BS02 W2A B K55 N58 N59 K55 N58 N59
BS03 W2A B E120 R148 T149 E120 R148 T149
External links
PDB RCSB:5s3q, PDBe:5s3q, PDBj:5s3q
PDBsum5s3q
PubMed33853786
UniProtP0DTD1|R1AB_SARS2 Replicase polyprotein 1ab (Gene Name=rep)

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