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Directed evolution of a biosensor selective for the macrolide antibiotic clarithromycin

Analyse Directed evolution of a biosensor selective for the macrolide antibiotic… in the GL1X research workbench: secondary structure, accessibility, pockets, interfaces, conservation, variants, modifications, peptides, crosslinks and neighbours on the 3D structure.

PDB
6U18
Type
protein
Length
367 residues
Chains
2
Method
x-ray diffraction
Collection
MolNFT v1 / PDB
Contract
0xDE3723766Bc32dcACD03C17BaA400A7B36837Eba
Owner
0x3396CDB397284571d12822B4ae1189a8E22AAAAA
Molecule
Erythromycin resistance repressor protein
UniProt
Q9EVJ6
Ligands
CTY
Pockets
2 · best druggability 0.79

Structure

x-ray diffraction · 2 distinct chains · 73% helix, 0% strand (DSSP).

ChainMoleculeTypeResiduesSecondary structureUniProt
AErythromycin resistance repressor proteinprotein18573% helix, 0% strandQ9EVJ6
BErythromycin resistance repressor proteinprotein18273% helix, 0% strandQ9EVJ6

Ligands and binding sites

  • CTY · Clarithromycin · ligand · 2 copies · chains A, B
  • FLC · Citrate anion · additive · chains A

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

Pockets

2 pockets found on a 1 Å grid, 2 with a druggability of 0.5 or more.

PocketVolume (ų)DruggabilityBuriednessLining residuesInside
17620.790.8342CTY
28320.790.8246CTY

Interfaces

1 interface between chains.

  • A–B · 1523 Ų buried · 23 hydrogen bonds · protein-protein

Compared structures

  • 6U18 · Directed evolution of a biosensor selective for the macrolide antibiotic clarithromycin · the same entry in another collection · chain A against A, TM-score 1.00

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