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Thrombin in complex with 3-amidinophenylalanine inhibitor

Analyse Thrombin in complex with 3-amidinophenylalanine inhibitor in the GL1X research workbench: secondary structure, accessibility, pockets, interfaces, conservation, variants, modifications, peptides, crosslinks and neighbours on the 3D structure.

PDB
4E7R
Type
protein
Length
578 residues
Chains
6
Method
x-ray diffraction
Collection
MolNFT v1 / PDB
Contract
0xDE3723766Bc32dcACD03C17BaA400A7B36837Eba
Owner
0x3396CDB397284571d12822B4ae1189a8E22AAAAA
Molecule
Thrombin light chain; Thrombin heavy chain; Hirudin variant-2
EC
3.4.21.5
UniProt
P00734, P09945
Ligands
0NW, NAG, NA, PO4
Pockets
6 · best druggability 0.59

Structure

x-ray diffraction · 4 distinct chains · 16% helix, 33% strand (DSSP).

ChainMoleculeTypeResiduesSecondary structureUniProt
L, MThrombin light chain (EC 3.4.21.5)protein2836% helix, 0% strandP00734
HThrombin heavy chain (EC 3.4.21.5)protein25014% helix, 36% strandP00734
GThrombin heavy chain (EC 3.4.21.5)protein25014% helix, 35% strandP00734
I, JHirudin variant-2protein1127% helix, 0% strandP09945

Ligands and binding sites

  • 0NW · 3-[(2S)-3-[4-(2-aminoethyl)piperidin-1-yl]-2-{[(2',4'-dichlorobiphenyl-3-yl)sulfonyl]amino}-3-oxopropyl]benzenecarboximidamide · ligand · 2 copies · chains H, G
  • NAG · 2-acetamido-2-deoxy-beta-D-glucopyranose · sugar · 2 copies · chains H, G
  • NA · Sodium ion · metal · 4 copies · chains H, G
  • PO4 · Phosphate ion · ion · 2 copies · chains H, G
  • GOL · Glycerol · additive · 3 copies · chains H, G

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

Pockets

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

PocketVolume (ų)DruggabilityBuriednessLining residuesInside
13070.590.77420NW
22910.580.78400NW
3540.290.7515empty
4590.290.7414GOL
5510.270.7313empty

Interfaces

7 interfaces between chains.

  • L–H · 1119 Ų buried · 27 hydrogen bonds · protein-protein
  • M–G · 1112 Ų buried · 28 hydrogen bonds · protein-protein
  • H–I · 641 Ų buried · 6 hydrogen bonds · protein-protein
  • G–J · 617 Ų buried · 4 hydrogen bonds · protein-protein
  • H–G · 412 Ų buried · 4 hydrogen bonds · protein-protein

Modifications

Observed in the structure: 8 disulfide, 2 glycan, 2 modified (disulfide, N-glycosylation, sulfation).

Compared structures

  • 4E7R · Thrombin in complex with 3-amidinophenylalanine inhibitor · the same entry in another collection · chain L against L, TM-score 1.00

Analyse

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