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9SDM

Crystal structure of SARS-CoV-2 main protease (MPro) in complex with the covalently bound inhibitor GUE-4303 (compound 12 in publication)

This is a non-PDB format compatible entry.
Entity
Entity IDChain IDDescriptionTypeChain lengthFormula weightNumber of moleculesDB Name (Accession)Biological sourceDescriptive keywords
1A, B
(A, B)
3C-like proteinase nsp5polymer30633825.52UniProt (P0DTC1)
Pfam (PF05409)
Severe acute respiratory syndrome coronavirus 23CL-PRO,3CLp,Main protease,Mpro,Non-structural protein 5,nsp5,SARS coronavirus main proteinase
2C, G
(A, B)
N-[(2S)-1-[[(2S)-1-[2-[(3-chlorophenyl)methyl]-2-ethanoyl-hydrazinyl]-1-oxidanylidene-3-phenyl-propan-2-yl]amino]-3,3-dimethyl-1-oxidanylidene-butan-2-yl]thiophene-2-carboxamidenon-polymer569.12Chemie (A1JNF)
3D, E, I
(A, B)
DIMETHYL SULFOXIDEnon-polymer78.13Chemie (DMS)
4F, H, J
(A, B)
CARBONATE IONnon-polymer60.03Chemie (CO3)
5K, L
(A, B)
waterwater18.0472Chemie (HOH)
Sequence viewer
Contents of the asymmetric unit
PolymersNumber of chains2
Total formula weight67651.1
Non-Polymers*Number of molecules8
Total formula weight1552.7
All*Total formula weight69203.8
*Water molecules are not included.

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PDB entries from 2026-03-11

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