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MolNFT v1 · #100509 · protein

Mouse cathepsin S with covalent ligand (3S,4S)-N-[(2E)-2-iminoethyl]- 4-(morpholin-4-ylcarbonyl)-1-(PHENYLSULFONYL)PYRROLIDINE-3- carboxamide

4MZO: “Mouse cathepsin S with covalent ligand (3S,4S)-N-[(2E)-2-iminoethyl]…”. X-ray diffraction, 1 ligand (2EW), 14 pockets (best druggability 0.83). MolNFT v1 #100509 on GenesisL1: 3D structure, binding sites and pockets in GL1X.

PDB
4MZO
Type
protein
Length
1,746 residues
Chains
8
Method
x-ray diffraction
Collection
MolNFT v1 / PDB
Contract
0xDE3723766Bc32dcACD03C17BaA400A7B36837Eba
Owner
0x3396CDB397284571d12822B4ae1189a8E22AAAAA
Molecule
Cathepsin S
EC
3.4.22.27
UniProt
O70370
Ligands
2EW
Pockets
14 · best druggability 0.83

Structure

x-ray diffraction · 2 distinct chains · 29% helix, 23% strand (DSSP).

ChainMoleculeTypeResiduesSecondary structureUniProt
A, C, D, E, G, HCathepsin S (EC 3.4.22.27)protein21829% helix, 23% strandO70370
B, FCathepsin S (EC 3.4.22.27)protein21929% helix, 22% strandO70370

Ligands and binding sites

  • 2EW · (3S,4S)-N-[(2E)-2-iminoethyl]-4-(morpholin-4-ylcarbonyl)-1-(phenylsulfonyl)pyrrolidine-3-carboxamide · ligand · 8 copies · chains A, B, C, D, E, G, F, H

Binding sites are the residues within 4.5 Å of a ligand's heavy atoms.

Pockets

14 pockets found on a 1 Å grid, 9 with a druggability of 0.5 or more.

PocketVolume (ų)DruggabilityBuriednessLining residuesInside
110970.830.841112EW
27580.810.84812EW
35970.800.8556empty
47450.790.83732EW
56060.750.82692EW

Interfaces

13 interfaces between chains.

  • B–C · 638 Ų buried · 5 hydrogen bonds · protein-protein
  • E–G · 627 Ų buried · 4 hydrogen bonds · protein-protein
  • F–H · 603 Ų buried · 6 hydrogen bonds · protein-protein
  • A–C · 530 Ų buried · 3 hydrogen bonds · protein-protein
  • E–H · 505 Ų buried · 3 hydrogen bonds · protein-protein

Modifications

Observed in the structure: 24 disulfide, 8 covalent (disulfide, covalent ligand).

Compared structures

  • 4MZO · Mouse cathepsin s with covalent ligand (3S,4S)-N-[(2E)-2-IMINOETHYL]-4-(MORPHOLIN-4-YLCARB… · the same entry in another collection · chain H against H, TM-score 1.00
  • O70370 · AlphaFold monomer V2.0 prediction for cathepsin S (O70370) · a predicted model of the same protein · chain D against A, TM-score 0.99

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