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7AXO

Structure of SARS-CoV-2 Main Protease bound to AR-42.

Entity
Entity IDChain IDDescriptionTypeChain lengthFormula weightNumber of moleculesDB Name (Accession)Biological sourceDescriptive keywords
1A
(A)
3C-like proteinasepolymer30633825.51UniProt (P0DTD1)
Pfam (PF05409)
Severe acute respiratory syndrome coronavirus 2 (2019-nCoV SARS-CoV-2)3CL-PRO,3CLp,Main protease,Mpro,Non-structural protein 5,nsp5,SARS coronavirus main proteinase
2B, C, D, E, F
(A)
DIMETHYL SULFOXIDEnon-polymer78.15Chemie (DMS)
3G
(A)
AR-42non-polymer312.41Chemie (QCP)
4H
(A)
waterwater18.0267Chemie (HOH)
Sequence viewer
Contents of the asymmetric unit
PolymersNumber of chains1
Total formula weight33825.5
Non-Polymers*Number of molecules6
Total formula weight703.0
All*Total formula weight34528.6
*Water molecules are not included.

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PDB entries from 2025-06-11

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