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X-ray structure of murine fumarylacetoacetate hydrolase domain containing protein 1 (FAHD1) in complex with inhibitor oxalate

Analyse X-ray structure of murine fumarylacetoacetate hydrolase domain containing… in the GL1X research workbench: secondary structure, accessibility, pockets, interfaces, conservation, variants, modifications, peptides, crosslinks and neighbours on the 3D structure.

PDB
6SBI
Type
protein
Length
862 residues
Chains
4
Method
x-ray diffraction
Collection
MolNFT v1 / PDB
Contract
0xDE3723766Bc32dcACD03C17BaA400A7B36837Eba
Owner
0x3396CDB397284571d12822B4ae1189a8E22AAAAA
Molecule
Acylpyruvase FAHD1, mitochondrial
EC
3.7.1.5, 4.1.1.112
UniProt
Q8R0F8
Ligands
OXL, MG, K, CL
Pockets
16 · best druggability 0.75

Structure

x-ray diffraction · 2 distinct chains · 22% helix, 37% strand (DSSP).

ChainMoleculeTypeResiduesSecondary structureUniProt
A, B, DAcylpyruvase FAHD1, mitochondrial (EC 3.7.1.5, 4.1.1.112)protein21622% helix, 37% strandQ8R0F8
CAcylpyruvase FAHD1, mitochondrial (EC 3.7.1.5, 4.1.1.112)protein21422% helix, 37% strandQ8R0F8

Ligands and binding sites

  • OXL · Oxalate ion · ligand · 4 copies · chains A, B, C, D
  • MG · Magnesium ion · metal · 4 copies · chains A, B, C, D
  • K · Potassium ion · metal · 2 copies · chains A, B, C, D
  • CL · Chloride ion · ion · 9 copies · chains A, B, D, C

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

Pockets

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

PocketVolume (ų)DruggabilityBuriednessLining residuesInside
18220.750.7977CL
2630.690.9620MG, OXL
3560.690.9721MG, OXL
4590.620.9221MG, OXL
5900.610.8824MG, OXL

Interfaces

4 interfaces between chains.

  • C–D · 1384 Ų buried · 20 hydrogen bonds · protein-protein
  • A–B · 1354 Ų buried · 19 hydrogen bonds · protein-protein
  • A–C · 290 Ų buried · 3 hydrogen bonds · protein-protein
  • A–D · 81 Ų buried · 1 hydrogen bond · protein-protein

Compared structures

  • 6SBI · X-ray structure of murine Fumarylacetoacetate hydrolase domain containing protein 1… · the same entry in another collection · chain D against D, TM-score 1.00
  • Q8R0F8 · AlphaFold monomer V2.0 prediction for acylpyruvase FAHD1, mitochondrial (Q8R0F8) · a predicted model of the same protein · chain C against A, TM-score 1.00

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