SMTL ID : 8a5b.4 (3 other biounits)

Crystal structure of human cathepsin L in complex with covalently bound MG-101

Coordinates

PDB Format Compare

Method

X-RAY DIFFRACTION 1.80 Å

Oligo State

monomer

Ligands

1 x ACE- LEU- LEU- 2DO: Calpain Inhibitor I(Non-covalent)

ACE-LEU-LEU-2DO.1: 20 residues within 4Å: Chain A: Q.19, C.22, G.23, S.24, C.25, W.26, G.61, E.63, C.65, N.66, G.67, G.68, L.69, M.70, Y.72, A.135, M.161, D.162, H.163, G.164 11 PLIP interactions: 11 interactions with chain A Hydrophobic interactions: A:E.63, A:L.69, A:L.69, A:A.135 Hydrogen bonds: A:Q.19, A:C.25, A:G.68, A:G.68, A:D.162 Water bridges: A:Q.19, A:H.163

2 x PEG: DI(HYDROXYETHYL)ETHER(Non-functional Binders)

PEG.2: 5 residues within 4Å: Chain A: N.18, G.20, Y.91, E.92, A.93 No protein-ligand interaction detected (PLIP) PEG.3: 6 residues within 4Å: Chain A: Q.19, G.20, Q.21, C.22, L.144, W.189 1 PLIP interactions: 1 interactions with chain A Hydrogen bonds: A:Q.21

1 x NA: SODIUM ION(Non-functional Binders)

NA.4: 4 residues within 4Å: Chain A: Q.75, Q.78, G.111, F.112 2 PLIP interactions: 2 interactions with chain A Hydrogen bonds: A:Q.75, A:Q.75

Links

RCSB   PDBe   PDBe-KB   PDBj   PDBsum   CATH   PLIP

Citation

Falke, S. et al., Structural elucidation of antiviral cathepsin L inhibitors. To be published

Release Date

2023-07-05

Peptides

Cathepsin L: A

SMTL:PDB

SMTL Chain Id:
PDB Chain Id:

A
D

Cathepsin L

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