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5N19

Structure of SARS coronavirus main protease in complex with the alpha-ketoamide (S)-N-benzyl-3-((S)-2-cinnamamido-3-phenylpropanamido)-2-oxo-4-((S)-2-oxopyrrolidin-3-yl)butanamide

Functional Information from GO Data
ChainGOidnamespacecontents
A0008233molecular_functionpeptidase activity
A0019082biological_processviral protein processing
Functional Information from PDB Data
site_idAC1
Number of Residues18
Detailsbinding site for residue D03 A 401
ChainResidue
ATHR25
AHIS163
AHIS164
AMET165
AGLU166
AHIS172
AASP187
AARG188
AHOH504
AHOH719
AHIS41
ACYS44
AMET49
APHE140
AASN142
AGLY143
ASER144
ACYS145

site_idAC2
Number of Residues3
Detailsbinding site for residue DMS A 402
ChainResidue
AASN84
ACYS85
AHOH685

Functional Information from SwissProt/UniProt
site_idSWS_FT_FI1
Number of Residues2
DetailsACT_SITE: For 3CL-PRO activity => ECO:0000255|PROSITE-ProRule:PRU00772
ChainResidueDetails
AHIS41
ACYS145

site_idSWS_FT_FI2
Number of Residues1
DetailsSITE: Cleavage; by 3CL-PRO => ECO:0000269|PubMed:14561748
ChainResidueDetails
AGLN306

Catalytic Information from CSA
site_idMCSA1
Number of Residues3
DetailsM-CSA 830
ChainResidueDetails
AHIS41proton acceptor, proton donor
AGLY143electrostatic stabiliser
ACYS145electrostatic stabiliser

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PDB entries from 2024-10-16

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