GL1X · GenesisL1 explorer

MolNFT v1 · #70472 · protein

Sulfhydryl oxidase fragment of human QSOX1

3LLK · Sulfhydryl oxidase 1: “Sulfhydryl oxidase fragment of human QSOX1”. X-ray diffraction, 1 ligand (FAD), 4 pockets (best druggability 0.87). MolNFT v1 #70472 on GenesisL1: 3D structure, binding sites and pockets in GL1X.

PDB
3LLK
Type
protein
Length
725 residues
Chains
3
Method
x-ray diffraction
Collection
MolNFT v1 / PDB
Contract
0xDE3723766Bc32dcACD03C17BaA400A7B36837Eba
Owner
0x3396CDB397284571d12822B4ae1189a8E22AAAAA
Molecule
Sulfhydryl oxidase 1
EC
1.8.3.2
UniProt
O00391
Ligands
FAD
Pockets
4 · best druggability 0.87

Structure

x-ray diffraction · 3 distinct chains · 61% helix, 5% strand (DSSP).

ChainMoleculeTypeResiduesSecondary structureUniProt
ASulfhydryl oxidase 1 (EC 1.8.3.2)protein24161% helix, 5% strandO00391
BSulfhydryl oxidase 1 (EC 1.8.3.2)protein24361% helix, 5% strandO00391
CSulfhydryl oxidase 1 (EC 1.8.3.2)protein24160% helix, 4% strandO00391

Ligands and binding sites

  • FAD · Flavin-adenine dinucleotide · ligand · 3 copies · chains A, B, C
  • FLC · Citrate anion · additive · chains A, B

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

Pockets

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

PocketVolume (ų)DruggabilityBuriednessLining residuesInside
111980.870.88127FAD
210640.820.83106FAD
31120.400.7623empty
4890.360.7520empty

Interfaces

3 interfaces between chains.

  • A–B · 933 Ų buried · 11 hydrogen bonds · protein-protein
  • B–C · 669 Ų buried · 3 hydrogen bonds · protein-protein
  • A–C · 253 Ų buried · 5 hydrogen bonds · protein-protein

Modifications

Observed in the structure: 9 disulfide (disulfide).

Compared structures

  • 3LLK · Sulfhydryl Oxidase Fragment of Human QSOX1 · the same entry in another collection · chain A against A, TM-score 1.00
  • O00391 · AlphaFold monomer V2.0 prediction for sulfhydryl oxidase 1 (O00391) · a predicted model of the same protein · chain C against A, TM-score 0.98

Analyse

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