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Crystal structure of dfpr-VIIA/STF

Analyse Crystal structure of dfpr-VIIA/STF in the GL1X research workbench: secondary structure, accessibility, pockets, interfaces, conservation, variants, modifications, peptides, crosslinks and neighbours on the 3D structure.

PDB
2FIR
Type
protein
Length
587 residues
Chains
3
Method
x-ray diffraction
Collection
MolNFT v1 / PDB
Contract
0xDE3723766Bc32dcACD03C17BaA400A7B36837Eba
Owner
0x3396CDB397284571d12822B4ae1189a8E22AAAAA
Molecule
Coagulation factor VII light chain; Coagulation factor VII heavy chain (ec 3.4.21.21)…
EC
3.4.21.21
UniProt
P08709, P13726
Ligands
0G7, GLC, FUC, CA, MG, ZN, NA, CL
Pockets
10 · best druggability 0.59

Structure

x-ray diffraction · 3 distinct chains · 15% helix, 35% strand (DSSP).

ChainMoleculeTypeResiduesSecondary structureUniProt
LCoagulation factor VII light chain (EC 3.4.21.21)protein14225% helix, 17% strandP08709
HCoagulation factor VII heavy chain (ec 3.4.21.21)protein25412% helix, 37% strandP08709
TTissue factorprotein19110% helix, 47% strandP13726

Ligands and binding sites

  • 0G7 · D-phenylalanyl-N-[(3S)-6-carbamimidamido-1-chloro-2-oxohexan-3-yl]-L-prolinamide · ligand · chains H
  • GLC · alpha-D-glucopyranose · sugar · chains L
  • FUC · alpha-L-fucopyranose · sugar · chains L, T
  • CA · Calcium ion · metal · 6 copies · chains L, H
  • MG · Magnesium ion · metal · 3 copies · chains L
  • ZN · Zinc ion · metal · 2 copies · chains H
  • NA · Sodium ion · metal · chains H
  • CL · Chloride ion · ion · 3 copies · chains H, T

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

Pockets

10 pockets found on a 1 Å grid, 3 with a druggability of 0.5 or more.

PocketVolume (ų)DruggabilityBuriednessLining residuesInside
12040.590.8131empty
21750.520.7825empty
3530.510.8717empty
4780.480.8317empty
51340.480.7825empty

Interfaces

3 interfaces between chains.

  • L–T · 1335 Ų buried · 14 hydrogen bonds · protein-protein
  • L–H · 1019 Ų buried · 15 hydrogen bonds · protein-protein
  • H–T · 617 Ų buried · 13 hydrogen bonds · protein-protein

Modifications

Observed in the structure: 14 disulfide, 10 modified, 1 covalent (disulfide, carboxylation, covalent ligand).

Compared structures

  • 2FIR · Crystal structure of DFPR-VIIa/sTF · the same entry in another collection · chain L against L, TM-score 1.00
  • P13726 · AlphaFold monomer V2.0 prediction for tissue factor (P13726) · a predicted model of the same protein · chain T against A, TM-score 0.98
  • P08709 · AlphaFold monomer V2.0 prediction for coagulation factor VII (P08709) · a predicted model of the same protein · chain H against A, TM-score 0.97

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