SMTL ID : 8ofa.3 (3 other biounits)

Crystal structure of human cathepsin L interacting with tosyl phenylalanyl chloromethyl ketone (TPCK)

Coordinates

PDB Format Compare

Method

X-RAY DIFFRACTION 1.90 Å

Oligo State

monomer

Ligands

1 x TQ8: N-[(2S)-4-chloro-3-oxo-1-phenyl-butan-2-yl]-4-methyl-benzenesulfonamide(Covalent)

TQ8.1: 11 residues within 4Å: Chain A: Q.19, G.23, S.24, C.25, A.138, G.139, L.144, D.162, H.163, W.189 Ligands: DMS.5 4 PLIP interactions: 4 interactions with chain A Hydrophobic interactions: A:L.144, A:W.189 Hydrogen bonds: A:Q.19, A:C.25

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

PEG.2: 5 residues within 4Å: Chain A: G.61, E.63, N.66, G.67, G.68 No protein-ligand interaction detected (PLIP) PEG.3: 5 residues within 4Å: Chain A: S.88, Y.89, K.99, N.101, Y.104 No protein-ligand interaction detected (PLIP) PEG.4: 4 residues within 4Å: Chain A: F.39, R.40, T.42, G.43 No protein-ligand interaction detected (PLIP)

2 x DMS: DIMETHYL SULFOXIDE(Non-functional Binders)

DMS.5: 3 residues within 4Å: Chain A: Q.21, W.189 Ligands: TQ8.1 3 PLIP interactions: 3 interactions with chain A Hydrogen bonds: A:Q.21 pi-Cation interactions: A:W.189, A:W.189 DMS.6: 3 residues within 4Å: Chain A: P.59, Q.60, D.79 1 PLIP interactions: 1 interactions with chain A Salt bridges: A:D.79

1 x EDO: 1,2-ETHANEDIOL(Non-functional Binders)

EDO.7: 1 residues within 4Å: Chain A: E.141 1 PLIP interactions: 1 interactions with chain A Hydrogen bonds: A:E.141

Links

RCSB   PDBe   PDBe-KB   PDBj   PDBsum   CATH   PLIP

Citation

Falke, S. et al., Structural Elucidation and Antiviral Activity of Covalent Cathepsin L Inhibitors. J.Med.Chem. (2024)

Release Date

2023-11-29

Peptides

Cathepsin L: A

SMTL:PDB

SMTL Chain Id:
PDB Chain Id:

A
C

Cathepsin L

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