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7AHA

Structure of SARS-CoV-2 Main Protease bound to Maleate.

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
(A)
CHLORIDE IONnon-polymer35.52Chemie (CL)
3D, E, F, G, H...
(A)
DIMETHYL SULFOXIDEnon-polymer78.16Chemie (DMS)
4J
(A)
SUCCINIC ACIDnon-polymer118.11Chemie (SIN)
5K
(A)
waterwater18.0351Chemie (HOH)
Sequence viewer
Contents of the asymmetric unit
PolymersNumber of chains1
Total formula weight33825.5
Non-Polymers*Number of molecules9
Total formula weight657.8
All*Total formula weight34483.3
*Water molecules are not included.

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PDB entries from 2025-06-11

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