GL1X · GenesisL1 explorer

Research workbench

Crystal structure of extended-spectrum beta-lactamase bel-1 in complex with imipenem

Analyse Crystal structure of extended-spectrum beta-lactamase bel-1 in complex with… in the GL1X research workbench: secondary structure, accessibility, pockets, interfaces, conservation, variants, modifications, peptides, crosslinks and neighbours on the 3D structure.

PDB
5EPH
Type
protein
Length
1,034 residues
Chains
4
Method
x-ray diffraction
Collection
MolNFT v1 / PDB
Contract
0xDE3723766Bc32dcACD03C17BaA400A7B36837Eba
Owner
0x3396CDB397284571d12822B4ae1189a8E22AAAAA
Molecule
Beta-lactamase
EC
3.5.2.6
UniProt
Q3SAW3
Ligands
ID1, CL
Pockets
14 · best druggability 0.74

Structure

x-ray diffraction · 4 distinct chains · 44% helix, 20% strand (DSSP).

ChainMoleculeTypeResiduesSecondary structureUniProt
ABeta-lactamase (EC 3.5.2.6)protein26144% helix, 20% strandQ3SAW3
BBeta-lactamase (EC 3.5.2.6)protein25445% helix, 20% strandQ3SAW3
CBeta-lactamase (EC 3.5.2.6)protein25744% helix, 20% strandQ3SAW3
DBeta-lactamase (EC 3.5.2.6)protein26245% helix, 19% strandQ3SAW3

Ligands and binding sites

  • ID1 · Imipenem · ligand · 4 copies · chains A, B, C, D
  • CL · Chloride ion · ion · 5 copies · chains A, B, C, D
  • MRD · (4R)-2-methylpentane-2,4-diol · additive · chains B

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

Pockets

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

PocketVolume (ų)DruggabilityBuriednessLining residuesInside
17240.740.7977CL
25440.730.8153empty
34100.580.7544empty
42290.510.7636empty
5970.410.7815empty

Interfaces

3 interfaces between chains.

  • A–D · 923 Ų buried · 27 hydrogen bonds · protein-protein
  • B–C · 913 Ų buried · 27 hydrogen bonds · protein-protein
  • A–B · 390 Ų buried · 8 hydrogen bonds · protein-protein

Modifications

Observed in the structure: 4 covalent, 4 disulfide (covalent ligand, disulfide).

Compared structures

  • 5EPH · Crystal structure of extended-spectrum beta-lactamase BEL-1 in complex with Imipenem · the same entry in another collection · chain A against A, TM-score 1.00

Analyse

GL1X is a live explorer of the GenesisL1 blockchain. Turn on JavaScript for search, charts and interactive views.