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Structure of a cytokine receptor complex

Analyse Structure of a cytokine receptor complex in the GL1X research workbench: secondary structure, accessibility, pockets, interfaces, conservation, variants, modifications, peptides, crosslinks and neighbours on the 3D structure.

PDB
4NKQ
Type
protein
Length
708 residues
Chains
3
Method
x-ray diffraction
Collection
MolNFT v1 / PDB
Contract
0xDE3723766Bc32dcACD03C17BaA400A7B36837Eba
Owner
0x3396CDB397284571d12822B4ae1189a8E22AAAAA
Molecule
Cytokine receptor common subunit beta; Granulocyte-macrophage colony-stimulating factor…
UniProt
P32927, P04141, P15509
Ligands
NAG
Pockets
9 · best druggability 0.72

Structure

x-ray diffraction · 3 distinct chains · 11% helix, 31% strand (DSSP).

ChainMoleculeTypeResiduesSecondary structureUniProt
ACytokine receptor common subunit betaprotein4125% helix, 42% strandP32927
CGranulocyte-macrophage colony-stimulating factorprotein10553% helix, 6% strandP04141
BGranulocyte-macrophage colony-stimulating factor receptor subunit alphaprotein1912% helix, 23% strandP15509

Ligands and binding sites

  • NAG · 2-acetamido-2-deoxy-beta-D-glucopyranose · sugar · 4 copies · chains A, B

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

Pockets

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

PocketVolume (ų)DruggabilityBuriednessLining residuesInside
13560.720.8444empty
24660.650.7853empty
31950.640.8435empty
42350.600.8028empty
53030.570.7643empty

Interfaces

3 interfaces between chains.

  • C–B · 610 Ų buried · 7 hydrogen bonds · protein-protein
  • A–B · 554 Ų buried · 7 hydrogen bonds · protein-protein
  • A–C · 382 Ų buried · 5 hydrogen bonds · protein-protein

Modifications

Observed in the structure: 7 disulfide (disulfide).

Compared structures

  • 4NKQ · Structure of a Cytokine Receptor Complex · the same entry in another collection · chain A against A, TM-score 1.00
  • P04141 · AlphaFold monomer V2.0 prediction for granulocyte-macrophage colony- stimulating factor… · a predicted model of the same protein · chain C against A, TM-score 0.95
  • P15509 · AlphaFold monomer V2.0 prediction for granulocyte-macrophage colony- stimulating factor… · a predicted model of the same protein · chain B against A, TM-score 0.93
  • P32927 · AlphaFold monomer V2.0 prediction for cytokine receptor common subunit beta (P32927) · a predicted model of the same protein · chain A against A, TM-score 0.89

Analyse

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