PDB Entry (6xho)
PDB ID: 6xho Resolution: 1.45 Å Exp. Method: X-RAY DIFFRACTION
PMID: 33054210 DOI: 10.1021/acs.jmedchem.0c01063
Protein
Protein Name: Replicase polyprotein 1a
Uniprot ID/ACC: P0C6U8 (R1A_SARS) Organism: Severe acute respiratory syndrome coronavirus (SARS-CoV)
Gene Symbol: 1a Gene ID: -
Protein Class: HYDROLASE
Ligand
Ligand Name:   ethyl (2E,4S)-4-{[N-(4-methoxy-1H-indole-2-carbonyl)-L-leucyl]amino}-5-[(3S)-2-oxopyrrolidin-3-yl]pent-2-enoate
Canonical SMILES:   O=C1NCC[C@H]1C[C@@H](/C=C/C(=O)OCC)NC(=O)[C@H](CC(C)C)NC(=O)c([nH]2)cc(c23)c(OC)ccc3
Standard InChI:   InChI=1S/C27H36N4O6/c1-5-37-24(32)10-9-18(14-17-11-12-28-25(17)33)29-26(34)21(13-16(2)3)31-27(35)22-15-19-20(30-22)7-6-8-23(19)36-4/h6-10,15-18,21,30H,5,11-14H2,1-4H3,(H,28,33)(H,29,34)(H,31,35)/b10-9+/t17-,18+,21-/m0/s1
HET Code:   V34 PubChem:   -
DrugBank:   - ChEMBL:   -
Molecular Formula:   C27H36N4O6 Mol. Weight:   512.2635 logP:   2.4513
HBD:   4 HBA:   6
#Rotatable Bonds:   12 TPSA:   138.62
Covalent Mechanism
Reaction Name Residue Chain ID SASA pKa Warhead Name Warhead Structure
Michael Addition CYS 145 B 24.37 14.96 Vinyl Sulfonyl
Binding Affinity
-