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MolNFT v1 · #162411 · protein

Structure of arabidopsis thaliana GLR3.3 ligand-binding domain in complex with L-cysteine

6R89 · Glutamate receptor 3.3,GLUTAMATE receptor 3.3: “Structure of arabidopsis thaliana GLR3.3 ligand-binding domain in complex with L-cysteine”. X-ray diffraction, 3 ligands (CYS, NA, CL), 11 pockets (best druggability 0.80). MolNFT v1…

PDB
6R89
Type
protein
Length
960 residues
Chains
4
Method
x-ray diffraction
Collection
MolNFT v1 / PDB
Contract
0xDE3723766Bc32dcACD03C17BaA400A7B36837Eba
Owner
0x3396CDB397284571d12822B4ae1189a8E22AAAAA
Molecule
Glutamate receptor 3.3,GLUTAMATE receptor 3.3
UniProt
Q9C8E7
Ligands
CYS, NA, CL
Pockets
11 · best druggability 0.80

Structure

x-ray diffraction · 2 distinct chains · 37% helix, 20% strand (DSSP).

ChainMoleculeTypeResiduesSecondary structureUniProt
A, DGlutamate receptor 3.3,GLUTAMATE receptor 3.3protein24236% helix, 20% strandQ9C8E7
B, CGlutamate receptor 3.3,GLUTAMATE receptor 3.3protein23837% helix, 20% strandQ9C8E7

Ligands and binding sites

  • CYS · Cysteine · ligand · 4 copies · chains A, B, C, D
  • NA · Sodium ion · metal · 2 copies · chains A
  • CL · Chloride ion · ion · chains C
  • GOL · Glycerol · additive · chains C

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

Pockets

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

PocketVolume (ų)DruggabilityBuriednessLining residuesInside
15470.800.8660CL
23530.770.8855empty
32000.690.8625empty
41700.680.8727empty
53300.550.7541empty

Interfaces

6 interfaces between chains.

  • B–D · 637 Ų buried · 7 hydrogen bonds · protein-protein
  • C–D · 601 Ų buried · 3 hydrogen bonds · protein-protein
  • A–B · 479 Ų buried · 3 hydrogen bonds · protein-protein
  • A–D · 421 Ų buried · 3 hydrogen bonds · protein-protein
  • A–C · 276 Ų buried · 3 hydrogen bonds · protein-protein

Modifications

Observed in the structure: 4 disulfide (disulfide).

Compared structures

  • 6R89 · Structure of Arabidopsis thaliana GLR3.3 ligand-binding domain in complex with L-cysteine · the same entry in another collection · chain D against D, TM-score 1.00
  • Q9C8E7 · AlphaFold monomer V2.0 prediction for glutamate receptor 3.3 (Q9C8E7) · a predicted model of the same protein · chain C against A, TM-score 0.98

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