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L-histidinol dehydrogenase (hisd) structure complexed with histamine (inhibitor), zinc and NAD (cofactor)

Analyse L-histidinol dehydrogenase (hisd) structure complexed with histamine… in the GL1X research workbench: secondary structure, accessibility, pockets, interfaces, conservation, variants, modifications, peptides, crosslinks and neighbours on the 3D structure.

PDB
1KAR
Type
protein
Length
862 residues
Chains
2
Method
x-ray diffraction
Collection
MolNFT v1 / PDB
Contract
0xDE3723766Bc32dcACD03C17BaA400A7B36837Eba
Owner
0x3396CDB397284571d12822B4ae1189a8E22AAAAA
Molecule
Histidinol dehydrogenase
EC
1.1.1.23
UniProt
P06988
Ligands
HSM, ZN
Pockets
5 · best druggability 0.87

Structure

x-ray diffraction · 1 distinct chain · 48% helix, 17% strand (DSSP).

ChainMoleculeTypeResiduesSecondary structureUniProt
A, BHistidinol dehydrogenase (EC 1.1.1.23)protein43148% helix, 17% strandP06988

Ligands and binding sites

  • HSM · Histamine · ligand · 2 copies · chains A, B
  • ZN · Zinc ion · metal · 2 copies · chains A, B

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

Pockets

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

PocketVolume (ų)DruggabilityBuriednessLining residuesInside
111870.870.88131HSM
21010.440.7819empty
3870.440.7917empty
4670.420.8018empty
5500.340.8015empty

Interfaces

1 interface between chains.

  • A–B · 5306 Ų buried · 92 hydrogen bonds · protein-protein

Modifications

Observed in the structure: 12 modified (engineered).

Compared structures

  • 1KAR · L-histidinol dehydrogenase (hisd) structure complexed with histamine (inhibitor), zinc… · the same entry in another collection · chain B against B, TM-score 1.00
  • P06988 · AlphaFold monomer V2.0 prediction for histidinol dehydrogenase (P06988) · a predicted model of the same protein · chain A against A, TM-score 0.95

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