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Matrix-metallopeptidase inhibitor Potempin A (PotA) from Tannerella forsythia in complex with T. forsythia karilysin.

Analyse Matrix-metallopeptidase inhibitor Potempin A (PotA) from Tannerella forsythia… in the GL1X research workbench: secondary structure, accessibility, pockets, interfaces, conservation, variants, modifications, peptides, crosslinks and neighbours on the 3D structure.

PDB
8B2Q
Type
protein
Length
260 residues
Chains
2
Method
x-ray diffraction
Collection
MolNFT v2 / PDB Bank
Contract
0xd58B01f6C18086e5202cdC5D7Ad3E41790360102
Owner
0xF4e1AA6f26B7DA48EeAD9B24a97927303eeA07b8
Resolution
1.35
Source
Tannerella forsythia
Molecule
Karilysin long form Kly38; Tannerella forsythia potempin A (PotA)
UniProt
D0EM77, A0A1D3UV35
Ligands
ZN, CA
Pockets
2 · best druggability 0.61

Structure

x-ray diffraction · resolution 1.35 · 2 distinct chains · 19% helix, 32% strand (DSSP).

ChainMoleculeTypeResiduesSecondary structureUniProt
AKarilysin long form Kly38protein16628% helix, 19% strandD0EM77
ITannerella forsythia potempin A (PotA)protein943% helix, 56% strandA0A1D3UV35

Ligands and binding sites

  • ZN · Zinc ion · metal · 2 copies · chains A, I
  • CA · Calcium ion · metal · chains A
  • GOL · Glycerol · additive · 2 copies · chains A, I
  • MES · 2-(N-morpholino)-ethanesulfonic acid · additive · chains A, I

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

Pockets

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

PocketVolume (ų)DruggabilityBuriednessLining residuesInside
12560.610.8044MES
2750.280.7217empty

Interfaces

1 interface between chains.

  • A–I · 871 Ų buried · 13 hydrogen bonds · protein-protein

Modifications

Observed in the structure: 2 disulfide (disulfide).

Compared structures

  • D0EM77 · AlphaFold monomer V2.0 prediction for karilysin (D0EM77) · a predicted model of the same protein · chain A against A, TM-score 0.98

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