Structure of PDB 7n0b Chain B Binding Site BS06

Receptor Information
>7n0b Chain B (length=512) 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]
ENVTGLFKDCSKVITGLHPTQAPTHLSVDTKFKTEGLCVDIPGIPKDMTY
RRLISMMGFKMNYQVNGYPNMFITREEAIRHVRAWIGFDVEGCHATREAV
GTNLPLQLGFSTGVNLVAVPTGYVDTPNNTDFSRVSAKPPPGDQFKHLIP
LMYKGLPWNVVRIKIVQMLSDTLKNLSDRVVFVLWAHGFELTSMKYFVKI
GPERTCCLCDRRATCFSTASDTYACWHHSIGFDYVYNPFMIDVQQWGFTG
NLQSNHDLYCQVHGNAHVASCDAIMTRCLAVHECFVKRVDWTIEYPIIGD
ELKINAACRKVQHMVVKAALLADKFPVLHDIGNPKAIKCVPQADVEWKFY
DAQPCSDKAYKIEELFYSYATHSDKFTDGVCLFWNCNVDRYPANSIVCRF
DTRVLSNLNLPGCDGGSLYVNKHAFHTPAFDKSAFVNLKQLPFFYYSDSP
CESYVPLKSATCITRCNLGGAVCRHHANEYRLYLDAYNMMISAGFSLWVY
KQFDTYNLWNTF
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 chain7n0b Chain B Residue 604 [Download ligand structure] [Download structure with residue number starting from 1] [View ligand structure]
Receptor-Ligand Complex Structure
Global viewLocal viewStructure summary

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PDB7n0b Structural basis of mismatch recognition by a SARS-CoV-2 proofreading enzyme.
Resolution3.9 Å
Binding residue
(original residue number in PDB)		H257 C261 H264 C279
Binding residue
(residue number reindexed from 1)		H256 C260 H263 C278
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:0000175 3'-5'-RNA exonuclease activity
GO:0004482 mRNA 5'-cap (guanine-N7-)-methyltransferase activity
GO:0004532 RNA exonuclease activity
GO:0008168 methyltransferase activity

View graph for
Molecular Function
External links
PDB RCSB:7n0b, PDBe:7n0b, PDBj:7n0b
PDBsum7n0b
PubMed34315827
UniProtP0DTD1|R1AB_SARS2 Replicase polyprotein 1ab (Gene Name=rep)

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