MolNFT v1 · #134226 · protein
Crystal structure of catalase-peroxidase katg with isonicotinic acid hydrazide and AMP bound
5SXS: “Crystal structure of catalase-peroxidase katg with isonicotinic acid hydrazide and AMP bound”. X-ray diffraction, 7 ligands (HEM, NIZ, AMP), 20 pockets (best druggability 0.85). MolNFT v1 #134226 on GenesisL1: 3D structure, binding…
- PDB
- 5SXS
- Type
- protein
- Length
- 1,426 residues
- Chains
- 2
- Method
- x-ray diffraction
- Collection
- MolNFT v1 / PDB
- Contract
- 0xDE3723766Bc32dcACD03C17BaA400A7B36837Eba
- Owner
- 0x3396CDB397284571d12822B4ae1189a8E22AAAAA
- Molecule
- Catalase-peroxidase
- EC
- 1.11.1.21
- UniProt
- Q3JNW6
- Ligands
- HEM, NIZ, AMP, NA, OXY, CL, PO4
- Pockets
- 20 · best druggability 0.85
Structure
x-ray diffraction · 1 distinct chain · 46% helix, 8% strand (DSSP).
| Chain | Molecule | Type | Residues | Secondary structure | UniProt |
|---|---|---|---|---|---|
| A, B | Catalase-peroxidase (EC 1.11.1.21) | protein | 713 | 46% helix, 8% strand | Q3JNW6 |
Ligands and binding sites
- HEM · Protoporphyrin IX containing Fe · ligand · 2 copies · chains A, B
- NIZ · pyridine-4-carbohydrazide · ligand · chains B
- AMP · Adenosine monophosphate · ligand · chains B
- NA · Sodium ion · metal · 2 copies · chains A, B
- OXY · Oxygen molecule · ion · 4 copies · chains A, B
- CL · Chloride ion · ion · 2 copies · chains A, B
- PO4 · Phosphate ion · ion · 2 copies · chains A, B
- MRD · (4R)-2-methylpentane-2,4-diol · additive · chains A
- MPD · (4S)-2-methyl-2,4-pentanediol · additive · chains B
Binding sites are the residues within 4.5 Å of a ligand's heavy atoms.
Pockets
20 pockets found on a 1 Å grid, 11 with a druggability of 0.5 or more.
| Volume (ų) | Druggability | Buriedness | Lining residues | Inside | |
|---|---|---|---|---|---|
| 1 | 1138 | 0.85 | 0.86 | 118 | empty |
| 2 | 564 | 0.82 | 0.88 | 70 | HEM, OXY, MRD |
| 3 | 562 | 0.81 | 0.87 | 72 | HEM, OXY, MPD |
| 4 | 95 | 0.77 | 0.98 | 20 | empty |
| 5 | 90 | 0.77 | 0.98 | 18 | empty |
Interfaces
1 interface between chains.
- A–B · 3617 Ų buried · 44 hydrogen bonds · protein-protein
Compared structures
- 5SXS · Crystal structure of catalase-peroxidase KatG with isonicotinic acid hydrazide and AMP… · the same entry in another collection · chain A against A, TM-score 1.00
- Q3JNW6 · AlphaFold monomer V2.0 prediction for catalase-peroxidase (Q3JNW6) · a predicted model of the same protein · chain A against A, TM-score 1.00
Analyse
- Open in the research workbench: secondary structure, accessibility, pockets, interfaces, conservation, variants, modifications, peptides and crosslinks on the 3D structure
- Every structure of UniProt Q3JNW6
- Elsewhere: RCSB PDB 5SXS · PDBe 5SXS · UniProt Q3JNW6
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