6WTT Crystals Structure of the SARS-CoV-2 (COVID-19) main protease with inhibitor GC-376 date
authors Sacco, M., Ma, C., Chen, Y., Wang, J.
compound source
R_Free 0.3001
length a length b length c angle alpha angle beta angle gamma
method X-Ray Diffractionresolution 2.15
ligand B1S, CL, GOL, K36, MG, PEG enzyme
A, C, B

Primary referenceBoceprevir, GC-376, and calpain inhibitors II, XII inhibit SARS-CoV-2 viral replication by targeting the viral main protease., Ma C, Sacco MD, Hurst B, Townsend JA, Hu Y, Szeto T, Zhang X, Tarbet B, Marty MT, Chen Y, Wang J, Cell Res. 2020 Jun 15. pii: 10.1038/s41422-020-0356-z. doi:, 10.1038/s41422-020-0356-z. PMID:32541865
Data retrieval
  • Asymmetric unit, PDB entry: [header only] [complete with coordinates] (158 Kb) [Save to disk]
  • Biological Unit Coordinates (6wtt.pdb1.gz) 102 Kb
  • Biological Unit Coordinates (6wtt.pdb2.gz) 99 Kb
  • LPC: Ligand-Protein Contacts for 6WTT
  • CSU: Contacts of Structural Units for 6WTT
  • Structure Factors (720 Kb)
  • Retrieve 6WTT in mmCIF format [Save to disk]
  • SEQRES to COORDINATES correlation for 6WTT from S2C, [Save to disk]
  • View 6WTT in 3D
  • Proteopedia, because life has more than 2D.
  • On Jmol, a nice Rasmol like molecule viewer. This is good for easiest viewing of basic structure.
  • On FirstGlance, an excellent tool for a guided tour on the structure components, by E. Martz.
  • Visual 3D analysis of 6WTT
  • Cartoon representation from PDB Cartoon
  • Ramachandran plot from PDBSum
  • Structure-derived information
  • Dipole moment, from Dipole Server at Weizmann Institute
  • Crystal Contacts, from CryCo at Weizmann Institute
  • Fold representative 6wtt from FSSP and Dali (Families of Structurally Similar Proteins)
  • Sequence-derived information
  • View one-letter amino acid or nucleotide sequence for each chain: [6wtt_C] [6wtt_B] [6wtt_A]
  • SWISS-PROT database:
  • Domain organization of by SWISSPFAM
  • Other resources with information on 6WTT
  • Community annotation for 6WTT at PDBWiki (http://pdbwiki.org)

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