Structure of PDB 7nio Chain A Binding Site BS03

Receptor Information
>7nio Chain A (length=590) 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]
MAVGACVLCNSQTSLRCGACIRRPFLCCKCCYDHVISTSHKLVLSVNPYV
CNAPGCDVTDVTQLYLGGMSYYCKSHKPPISFPLCANGQVFGLYKNTCVG
SDNVTDFNAIATCDWTNAGDYILANTCTERLKLFAAETLKATEETFKLSY
GIATVREVLSDRELHLSWEVGKPRPPLNRNYVFTGYRVTKNSKVQIGEYT
FEKDAVVYRGTTTYKLNVGDYFVLTSHTVMPLSAPTLVPQEHYVRITGLY
PTLNISDEFSSNVANYQKVGMQKYSTLQGPPGTGKSHFAIGLALYYPSAR
IVYTACSHAAVDALCEKALKYLPIDKCSRIIPARARVECFDKFKVNSTLE
QYVFCTVNALPETTADIVVFDEISMATNYDLSVVNARLRAKHYVYIGDPA
QLPAPRTLLTKGTLEPEYFNSVCRLMKTIGPDMFLGTCRRCPAEIVDTVS
ALVYDNKLKAHKDKSAQCFKMFYKGVITHDVSSAINRPQIGVVREFLTRN
PAWRKAVFISPYNSQNAVASKILGLPTQTVDSSQGSEYDYVIFTQTTETA
HSCNVNRFNVAITRAKVGILCIMSDRDLYDKLQFTSLEIP
Ligand information
Ligand IDZN
InChIInChI=1S/Zn/q+2
InChIKeyPTFCDOFLOPIGGS-UHFFFAOYSA-N
SMILES
SoftwareSMILES
CACTVS 3.341[Zn++]
ACDLabs 10.04
OpenEye OEToolkits 1.5.0		[Zn+2]
FormulaZn
NameZINC ION
ChEMBLCHEMBL1236970
DrugBankDB14532
ZINC
PDB chain7nio Chain A Residue 703 [Download ligand structure] [Download structure with residue number starting from 1] [View ligand structure]
Receptor-Ligand Complex Structure
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PDB7nio Structure, mechanism and crystallographic fragment screening of the SARS-CoV-2 NSP13 helicase.
Resolution2.2 Å
Binding residue
(original residue number in PDB)		C50 C55 C72 H75
Binding residue
(residue number reindexed from 1)		C51 C56 C73 H76
Annotation score1
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.-
Gene Ontology
Molecular Function
GO:0004386 helicase activity
GO:0005524 ATP binding
GO:0008270 zinc ion binding

View graph for
Molecular Function
External links
PDB RCSB:7nio, PDBe:7nio, PDBj:7nio
PDBsum7nio
PubMed34381037
UniProtP0DTD1|R1AB_SARS2 Replicase polyprotein 1ab (Gene Name=rep)

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