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Ligand-free structure of CYP142 from mycobacterium smegmatis

Analyse Ligand-free structure of CYP142 from mycobacterium smegmatis in the GL1X research workbench: secondary structure, accessibility, pockets, interfaces, conservation, variants, modifications, peptides, crosslinks and neighbours on the 3D structure.

PDB
3ZBY
Type
protein
Length
2,414 residues
Chains
6
Method
x-ray diffraction
Collection
MolNFT v1 / PDB
Contract
0xDE3723766Bc32dcACD03C17BaA400A7B36837Eba
Owner
0x3396CDB397284571d12822B4ae1189a8E22AAAAA
Molecule
P450 heme-thiolate protein
UniProt
A0R4Q6
Ligands
HEM, GLC, SO4
Pockets
17 · best druggability 0.83

Structure

x-ray diffraction · 2 distinct chains · 52% helix, 9% strand (DSSP).

ChainMoleculeTypeResiduesSecondary structureUniProt
A, C, D, E, FP450 heme-thiolate proteinprotein40252% helix, 10% strandA0R4Q6
BP450 heme-thiolate proteinprotein40453% helix, 9% strandA0R4Q6

Ligands and binding sites

  • HEM · Protoporphyrin IX containing Fe · ligand · 6 copies · chains A, B, C, D, E, F
  • GLC · alpha-D-glucopyranose · sugar · 42 copies · chains A, B, C, D, E, F
  • SO4 · Sulfate ion · ion · 17 copies · chains A, B, C, D, E, F
  • EDO · 1,2-ethanediol · additive · 6 copies · chains A, B, C, D, E, F

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

Pockets

17 pockets found on a 1 Å grid, 12 with a druggability of 0.5 or more.

PocketVolume (ų)DruggabilityBuriednessLining residuesInside
15580.830.8968HEM, EDO
25080.830.8961HEM, EDO
34990.830.8964HEM, EDO
45140.830.8966HEM, EDO
55190.830.8966HEM, EDO

Interfaces

5 interfaces between chains.

  • C–F · 861 Ų buried · 14 hydrogen bonds · protein-protein
  • B–E · 855 Ų buried · 12 hydrogen bonds · protein-protein
  • A–B · 590 Ų buried · 10 hydrogen bonds · protein-protein
  • B–F · 91 Ų buried · 0 hydrogen bonds · protein-protein
  • C–E · 85 Ų buried · 0 hydrogen bonds · protein-protein

Compared structures

  • 3ZBY · Ligand-free structure of CYP142 from Mycobacterium smegmatis · the same entry in another collection · chain F against F, TM-score 1.00
  • A0R4Q6 · AlphaFold monomer V2.0 prediction for steroid C26-monooxygenase (A0R4Q6) · a predicted model of the same protein · chain C against A, TM-score 0.96

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