GL1X · GenesisL1 explorer

Research workbench

Crystal structure of the transporter chbc, the iic component from the N,N'-diacetylchitobiose-specific phosphotransferase system

Analyse Crystal structure of the transporter chbc, the iic component from the… in the GL1X research workbench: secondary structure, accessibility, pockets, interfaces, conservation, variants, modifications, peptides, crosslinks and neighbours on the 3D structure.

PDB
3QNQ
Type
protein
Length
1,732 residues
Chains
4
Method
x-ray diffraction
Collection
MolNFT v1 / PDB
Contract
0xDE3723766Bc32dcACD03C17BaA400A7B36837Eba
Owner
0x3396CDB397284571d12822B4ae1189a8E22AAAAA
Molecule
Pts system, cellobiose-specific iic component
EC
2.7.1.69
UniProt
Q72XQ0
Ligands
ZDM, NAG, GLC
Pockets
20 · best druggability 0.84

Structure

x-ray diffraction · 2 distinct chains · 64% helix, 3% strand (DSSP).

ChainMoleculeTypeResiduesSecondary structureUniProt
A, B, CPts system, cellobiose-specific iic component (EC 2.7.1.69)protein43263% helix, 3% strandQ72XQ0
DPts system, cellobiose-specific iic component (EC 2.7.1.69)protein43664% helix, 3% strandQ72XQ0

Ligands and binding sites

  • ZDM · nonyl 4-O-alpha-D-glucopyranosyl-beta-D-glucopyranoside · ligand · 4 copies · chains A, B, C, D
  • NAG · 2-acetamido-2-deoxy-beta-D-glucopyranose · sugar · 8 copies · chains A, B, C, D
  • GLC · alpha-D-glucopyranose · sugar · 8 copies · chains A, B, C, D
  • CIT · Citric acid · additive · 7 copies · chains A, B, C, 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, 12 with a druggability of 0.5 or more.

PocketVolume (ų)DruggabilityBuriednessLining residuesInside
14800.840.9156NAG
24530.840.9147NAG
34200.840.9244NAG
44550.830.9049NAG
51540.690.8926ZDM

Interfaces

6 interfaces between chains.

  • C–D · 2801 Ų buried · 8 hydrogen bonds · protein-protein
  • A–B · 2797 Ų buried · 9 hydrogen bonds · protein-protein
  • A–D · 476 Ų buried · 4 hydrogen bonds · protein-protein
  • B–C · 435 Ų buried · 3 hydrogen bonds · protein-protein
  • A–C · 295 Ų buried · 4 hydrogen bonds · protein-protein

Compared structures

  • 3QNQ · Crystal structure of the transporter ChbC, the IIC component from the… · 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.