Structure of PDB 8ig5 Chain B

Receptor sequence
>8ig5B (length=294) Species: 694009 (Severe acute respiratory syndrome-related coronavirus) [Search protein sequence]
GFRKMAFPSGKVEGCMVQVTCGTTTLNGLWLDDTVYCPRHVICTLNPNYE
DLLIRKSNHSFLVQAGNVQLRVIGHSMQNCLLRLKVDTSNPKTPKYKFVR
IQPGQTFSVLACYNGSPSGVYQCAMRPNHTIKGSFLNGSCGSVGFNIDYD
CVSFCYMHHMELPTGVHAGTDLEGKFYGPFVDRQTAQAAGTDTTITLNVL
AWLYAAVINGDRWFLNRFTTTLNDFNLVAMKYNYEPLTQDHVDILGPLSA
QTGIAVLDMCAALKELLQNGMNGRTILGSTILEDEFTPFDVVRQ
3D structure
PDB8ig5 Structural Basis for Coronaviral Main Proteases Inhibition by the 3CLpro Inhibitor GC376
ChainB
Resolution2.17 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 UED B F140 C145 H163 H164 M165 E166 Q189 F135 C140 H158 H159 M160 E161 Q184
Gene Ontology
Molecular Function
GO:0008233 peptidase activity
Biological Process
GO:0019082 viral protein processing

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Molecular Function
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Biological Process
External links
PDB RCSB:8ig5, PDBe:8ig5, PDBj:8ig5
PDBsum8ig5
PubMed38311236
UniProtP0DTD1|R1AB_SARS2 Replicase polyprotein 1ab (Gene Name=rep)

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