SMTL ID : 7mpb.1

SARS Coronavirus-2 Main Protease 3CL-pro binding Ascorbate

Coordinates

PDB Format Compare

Method

X-RAY DIFFRACTION 2.30 Å

Oligo State

homo-dimer

Ligands

2 x ASC: ASCORBIC ACID(Non-covalent)

ASC.1: 8 residues within 4Å: Chain A: F.140, L.141, N.142, G.143, S.144, C.145, H.163, E.166 8 PLIP interactions: 7 interactions with chain A, 1 interactions with chain B Hydrogen bonds: A:N.142, A:G.143, A:S.144, A:S.144, A:C.145, A:E.166 Salt bridges: A:H.163 Water bridges: B:S.1 ASC.3: 10 residues within 4Å: Chain B: F.140, L.141, N.142, G.143, S.144, C.145, H.163, M.165, E.166, H.172 5 PLIP interactions: 5 interactions with chain B Hydrogen bonds: B:F.140, B:G.143, B:S.144, B:C.145 Salt bridges: B:H.163

2 x ETF: TRIFLUOROETHANOL(Non-covalent)

ETF.2: 6 residues within 4Å: Chain A: T.25, H.41, C.44, T.45, S.46, M.49 2 PLIP interactions: 2 interactions with chain A Hydrogen bonds: A:S.46 Halogen bonds: A:H.41 ETF.4: 5 residues within 4Å: Chain B: T.25, H.41, C.44, T.45, M.49 1 PLIP interactions: 1 interactions with chain B Halogen bonds: B:C.44

Links

RCSB   PDBe   PDBe-KB   PDBj   PDBsum   CATH   PLIP

Citation

Malla, T.N. et al., Vitamin C inhibits SARS coronavirus-2 main protease essential for viral replication. Biorxiv (2021)

Release Date

2021-05-12

Peptides

3C-like proteinase: AB

SMTL:PDB

SMTL Chain Id:
PDB Chain Id:

A
A

B
B

3C-like proteinase