Complex Structure of SARS-CoV-2 3CL Protease with TG-0203770

Experimental Data Snapshot

  • Resolution: 2.30 Å
  • R-Value Free: 0.248 
  • R-Value Work: 0.200 

wwPDB Validation   3D Report Full Report

Ligand Structure Quality Assessment 

This is version 2.1 of the entry. See complete history


Complex Structures and Cellular Activities of the Potent SARS-CoV-2 3CLpro Inhibitors Guiding Drug Discovery Against COVID-19

Kuo, C.J.Shie, J.J.Lin, C.H.Lin, Y.L.Hsieh, M.C.Lee, C.C.Chang, S.Y.Wang, A.H.J.Liang, P.H.

To be published.

Find similar proteins by:  (by identity cutoff)  |  3D Structure
Entity ID: 1
MoleculeChainsSequence LengthOrganismDetailsImage
3C-like proteinaseA306Severe acute respiratory syndrome coronavirus 2Mutation(s): 0 
Gene Names: rep1a-1b
EC: (PDB Primary Data), (UniProt), 3.4.22 (UniProt), (UniProt), (UniProt), (UniProt), 3.1.13 (UniProt), 3.1 (UniProt), 2.1.1 (UniProt)
Find proteins for P0DTD1 (Severe acute respiratory syndrome coronavirus 2)
Explore P0DTD1 
Go to UniProtKB:  P0DTD1
Entity Groups  
Sequence Clusters30% Identity50% Identity70% Identity90% Identity95% Identity100% Identity
UniProt GroupP0DTD1
Protein Feature View
  • Reference Sequence
Small Molecules
Ligands 1 Unique
IDChainsName / Formula / InChI Key2D Diagram3D Interactions
TG3 (Subject of Investigation/LOI)
Query on TG3

Download Ideal Coordinates CCD File 
B [auth A]ethyl (4R)-4-[[(2S)-4-methyl-2-[[(2S,3R)-3-[(2-methylpropan-2-yl)oxy]-2-(phenylmethoxycarbonylamino)butanoyl]amino]pentanoyl]amino]-5-[(3S)-2-oxidanylidenepyrrolidin-3-yl]pentanoate
C33 H52 N4 O8
 Ligand Interaction
Experimental Data & Validation

Experimental Data

  • Resolution: 2.30 Å
  • R-Value Free: 0.248 
  • R-Value Work: 0.200 
  • Space Group: P 61 2 2
Unit Cell:
Length ( Å )Angle ( ˚ )
a = 104.39α = 90
b = 104.39β = 90
c = 90.233γ = 120
Software Package:
Software NamePurpose
HKL-3000data reduction
HKL-3000data scaling

Structure Validation

View Full Validation Report

Ligand Structure Quality Assessment 

Entry History 

Deposition Data

Revision History  (Full details and data files)

  • Version 1.0: 2020-06-17
    Type: Initial release
  • Version 2.0: 2021-01-20
    Type: Coordinate replacement
    Reason: Model completeness
    Changes: Advisory, Atomic model, Data collection, Derived calculations, Refinement description, Structure summary
  • Version 2.1: 2021-03-10
    Changes: Structure summary