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Catalase 3 from N.CRASSA in ferrous state (2.89 mgy)

Analyse Catalase 3 from N.CRASSA in ferrous state (2.89 mgy) in the GL1X research workbench: secondary structure, accessibility, pockets, interfaces, conservation, variants, modifications, peptides, crosslinks and neighbours on the 3D structure.

PDB
6NT1
Type
protein
Length
2,716 residues
Chains
4
Method
x-ray diffraction
Collection
MolNFT v1 / PDB
Contract
0xDE3723766Bc32dcACD03C17BaA400A7B36837Eba
Owner
0x3396CDB397284571d12822B4ae1189a8E22AAAAA
Molecule
Catalase-3
EC
1.11.1.6
UniProt
Q9C169
Ligands
HEM
Pockets
20 · best druggability 0.85

Structure

x-ray diffraction · 4 distinct chains · 33% helix, 18% strand (DSSP).

ChainMoleculeTypeResiduesSecondary structureUniProt
ACatalase-3 (EC 1.11.1.6)protein68233% helix, 18% strandQ9C169
BCatalase-3 (EC 1.11.1.6)protein67733% helix, 18% strandQ9C169
CCatalase-3 (EC 1.11.1.6)protein67932% helix, 18% strandQ9C169
DCatalase-3 (EC 1.11.1.6)protein67833% helix, 18% strandQ9C169

Ligands and binding sites

  • HEM · Protoporphyrin IX containing Fe · ligand · 4 copies · chains A, D, B, C
  • EDO · 1,2-ethanediol · additive · 9 copies · chains A, B, C, D
  • ACT · Acetate ion · additive · 8 copies · chains A, B, C, D
  • EOH · Ethanol · additive · 6 copies · chains A, B, D
  • PEG · Di(hydroxyethyl)ether · additive · 5 copies · chains A, B, C
  • PGE · Triethylene glycol · additive · 4 copies · chains A, B, C, D
  • P6G · Hexaethylene glycol · additive · chains B, C
  • PG4 · Tetraethylene glycol · additive · chains C

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

Pockets

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

PocketVolume (ų)DruggabilityBuriednessLining residuesInside
12780.850.9650HEM, ACT
22770.850.9654HEM, ACT
32530.850.9643HEM, ACT
42370.850.9736HEM
510570.840.85119PGE

Interfaces

6 interfaces between chains.

  • A–D · 5894 Ų buried · 88 hydrogen bonds · protein-protein
  • B–C · 5816 Ų buried · 92 hydrogen bonds · protein-protein
  • A–C · 5041 Ų buried · 72 hydrogen bonds · protein-protein
  • B–D · 5024 Ų buried · 68 hydrogen bonds · protein-protein
  • A–B · 2296 Ų buried · 32 hydrogen bonds · protein-protein

Compared structures

  • 6NT1 · Catalase 3 from N.Crassa in ferrous state (2.89 MGy) · the same entry in another collection · chain D against D, TM-score 1.00
  • Q9C169 · AlphaFold monomer V2.0 prediction for catalase-3 (Q9C169) · a predicted model of the same protein · chain A against A, TM-score 1.00

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