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MolNFT v1 · #186654 · protein

Crystal structure of C79A mutant of class D beta-lactamase from clostridium difficile 630

7RL8: “Crystal structure of C79A mutant of class D beta-lactamase from clostridium difficile 630”. X-ray diffraction, 1 ligand (SO4), 8 pockets (best druggability 0.75). MolNFT v1 #186654 on GenesisL1: 3D structure, binding sites and…

PDB
7RL8
Type
protein
Length
1,005 residues
Chains
4
Method
x-ray diffraction
Collection
MolNFT v1 / PDB
Contract
0xDE3723766Bc32dcACD03C17BaA400A7B36837Eba
Owner
0x3396CDB397284571d12822B4ae1189a8E22AAAAA
Molecule
Beta-lactamase
EC
3.5.2.6
UniProt
Q188Q3
Ligands
SO4
Pockets
8 · best druggability 0.75

Structure

x-ray diffraction · 3 distinct chains · 37% helix, 19% strand (DSSP).

ChainMoleculeTypeResiduesSecondary structureUniProt
ABeta-lactamase (EC 3.5.2.6)protein24937% helix, 20% strandQ188Q3
BBeta-lactamase (EC 3.5.2.6)protein24838% helix, 19% strandQ188Q3
C, DBeta-lactamase (EC 3.5.2.6)protein25436% helix, 19% strandQ188Q3

Ligands and binding sites

  • SO4 · Sulfate ion · ion · 2 copies · chains C, D
  • PEG · Di(hydroxyethyl)ether · additive · chains B

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

Pockets

8 pockets found on a 1 Å grid, 4 with a druggability of 0.5 or more.

PocketVolume (ų)DruggabilityBuriednessLining residuesInside
18610.750.7985empty
29880.730.7668empty
34230.610.7651PEG
42030.500.7635SO4
51990.490.7632empty

Interfaces

5 interfaces between chains.

  • A–B · 462 Ų buried · 4 hydrogen bonds · protein-protein
  • B–C · 270 Ų buried · 4 hydrogen bonds · protein-protein
  • A–D · 198 Ų buried · 2 hydrogen bonds · protein-protein
  • B–D · 132 Ų buried · 2 hydrogen bonds · protein-protein
  • A–C · 49 Ų buried · 0 hydrogen bonds · protein-protein

Modifications

Observed in the structure: 4 modified (carboxylation).

Compared structures

  • 7RL8 · Crystal Structure of C79A Mutant of Class D beta-lactamase from Clostridium difficile 630 · the same entry in another collection · chain A against A, TM-score 1.00

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