Structure of PDB 3szn Chain A Binding Site BS01

Receptor Information
>3szn 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
Ligand IDG75
InChIInChI=1S/C28H35N3O6/c1-2-36-25(32)14-13-23(18-22-15-16-29-26(22)33)30-27(34)24(17-20-9-5-3-6-10-20)31-28(35)37-19-21-11-7-4-8-12-21/h3-12,22-24H,2,13-19H2,1H3,(H,29,33)(H,30,34)(H,31,35)/t22-,23+,24-/m0/s1
InChIKeyPIZHLOUXQJUQHF-VXNXHJTFSA-N
SMILES
SoftwareSMILES
OpenEye OEToolkits 1.9.2CCOC(=O)CCC(CC1CCNC1=O)NC(=O)C(Cc2ccccc2)NC(=O)OCc3ccccc3
CACTVS 3.385
OpenEye OEToolkits 1.9.2		CCOC(=O)CC[C@H](C[C@@H]1CCNC1=O)NC(=O)[C@H](Cc2ccccc2)NC(=O)OCc3ccccc3
ACDLabs 12.01O=C(OCc1ccccc1)NC(C(=O)NC(CC2C(=O)NCC2)CCC(=O)OCC)Cc3ccccc3
CACTVS 3.385CCOC(=O)CC[CH](C[CH]1CCNC1=O)NC(=O)[CH](Cc2ccccc2)NC(=O)OCc3ccccc3
FormulaC28 H35 N3 O6
NameETHYL (4R)-4-({N-[(BENZYLOXY)CARBONYL]-L-PHENYLALANYL}AMINO)-5-[(3S)-2-OXOPYRROLIDIN-3-YL]PENTANOATE
ChEMBL
DrugBank
ZINCZINC000098208922
PDB chain3szn Chain A Residue 307 [Download ligand structure] [Download structure with residue number starting from 1] [View ligand structure]
Receptor-Ligand Complex Structure
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PDB3szn Crystal structures of SARS-Cov main protease complexed with a series of unsaturated esters
Resolution1.69 Å
Binding residue
(original residue number in PDB)		M49 F140 L141 N142 C145 H163 H164 M165 E166 D187 R188 Q189
Binding residue
(residue number reindexed from 1)		M49 F140 L141 N142 C145 H163 H164 M165 E166 D187 R188 Q189
Annotation score1
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:3szn, PDBe:3szn, PDBj:3szn
PDBsum3szn
PubMed
UniProtP0C6X7|R1AB_SARS Replicase polyprotein 1ab (Gene Name=rep)

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