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3EA9

Crystal structure of SARS-CoV main protease quadruple mutant STIF/A with one molecule in one asymmetric unit

Entity
Entity IDChain IDDescriptionTypeChain lengthFormula weightNumber of moleculesDB Name (Accession)Biological sourceDescriptive keywords
1A
(A)
3C-like proteinasepolymer30633712.41UniProt (P0C6U8)
Pfam (PF05409)
UniProt (by SIFTS) (P0C6X7)
SARS coronavirus (SARS-CoV)SARS-CoV main protease, 3CL-PRO, 3CLp, nsp5
2B
(A)
waterwater18.031Chemie (HOH)
Sequence modifications
A: 1 - 306 (UniProt: P0C6U8)
PDBExternal DatabaseDetails
Ala 284Ser 3524engineered mutation
Ala 285Thr 3525engineered mutation
Ala 286Ile 3526engineered mutation
Ala 291Phe 3531engineered mutation
Sequence viewer
Contents of the asymmetric unit
PolymersNumber of chains1
Total formula weight33712.4
All*Total formula weight33712.4
*Water molecules are not included.

237735

PDB entries from 2025-06-18

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