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Crystal structure of NADPH depleted bovine liver catalase complexed with 3-amino-1,2,4-triazole

Analyse Crystal structure of NADPH depleted bovine liver catalase complexed with… in the GL1X research workbench: secondary structure, accessibility, pockets, interfaces, conservation, variants, modifications, peptides, crosslinks and neighbours on the 3D structure.

PDB: 1TH4
Type: protein
Length: 1,996 residues
Chains: 4
Method: x-ray diffraction
Collection: MolNFT v1 / PDB
Contract: 0xDE3723766Bc32dcACD03C17BaA400A7B36837Eba
Owner: 0x3396CDB397284571d12822B4ae1189a8E22AAAAA
Molecule: Catalase
EC: 1.11.1.6
UniProt: P00432
Ligands: HEM, 3TR
Pockets: 20 · best druggability 0.89

Structure

x-ray diffraction · 1 distinct chain · 33% helix, 18% strand (DSSP).

Chain	Molecule	Type	Residues	Secondary structure	UniProt
A, B, C, D	Catalase (EC 1.11.1.6)	protein	499	33% helix, 18% strand	P00432

Ligands and binding sites

HEM · Protoporphyrin IX containing Fe · ligand · 4 copies · chains A, D, B, C
3TR · 3-amino-1,2,4-triazole · ligand · chains D

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

Pockets

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

Pocket	Volume (Å³)	Druggability	Buriedness	Lining residues	Inside
1	459	0.89	0.97	59	empty
2	645	0.88	0.92	49	empty
3	350	0.86	0.95	40	HEM
4	305	0.85	0.95	38	HEM
5	314	0.85	0.95	37	HEM

Interfaces

6 interfaces between chains.

B–C · 4863 Å² buried · 79 hydrogen bonds · protein-protein
A–D · 4842 Å² buried · 71 hydrogen bonds · protein-protein
A–C · 4817 Å² buried · 59 hydrogen bonds · protein-protein
B–D · 4648 Å² buried · 62 hydrogen bonds · protein-protein
A–B · 2176 Å² buried · 38 hydrogen bonds · protein-protein

Modifications

Observed in the structure: 5 cofactor, 1 covalent (heme attachment, covalent ligand).

Compared structures

1TH4 · crystal structure of NADPH depleted bovine liver catalase complexed with… · the same entry in another collection · chain D against D, TM-score 1.00
P00432 · AlphaFold monomer V2.0 prediction for catalase (P00432) · 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 P00432
Elsewhere: RCSB PDB 1TH4 · PDBe 1TH4 · UniProt P00432

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