Structure of PDB 3snc Chain A Binding Site BS01

Receptor Information
>3snc Chain A (length=306) [Search protein sequence] [Download receptor structure] [Download structure with residue number starting from 1] [View receptor structure]
SGFRKMAFPSGKVEGCMVQVTCGTTTLNGLWLDDTVYCPRHVICTAEDML
NPNYEDLLIRKSNHSFLVQAGNVQLRVIGHSMQNCLLRLKVDTSNPKTPK
YKFVRIQPGQTFSVLACYNGSPSGVYQCAMRPNHTIKGSFLNGSCGSVGF
NIDYDCVSFCYMHHMELPTGVHAGTDLEGKFYGPFVDRQTAQAAGTDTTI
TLNVLAWLYAAVINGDRWFLNRFTTTLNDFNLVAMKYNYEPLTQDHVDIL
GPLSAQTGIAVLDMCAALKELLQNGMNGRTILGSTILEDEFTPFDVVRQC
SGVTFQ
Ligand information
Receptor-Ligand Complex Structure
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PDB3snc Peptide aldehyde inhibitors challenge the substrate specificity of the SARS-coronavirus main protease.
Resolution2.58 Å
Binding residue
(original residue number in PDB)		M49 F140 L141 N142 C145 H163 H164 M165 E166 Q189 T190 A191
Binding residue
(residue number reindexed from 1)		M49 F140 L141 N142 C145 H163 H164 M165 E166 Q189 T190 A191
Enzymatic activity
Catalytic site (original residue number in PDB) H41 G143 C145
Catalytic site (residue number reindexed from 1) H41 G143 C145
Enzyme Commision number 2.1.1.-
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: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:3snc, PDBe:3snc, PDBj:3snc
PDBsum3snc
PubMed21854807
UniProtP0C6X7|R1AB_SARS Replicase polyprotein 1ab (Gene Name=rep)

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