4NKQ Cytokine Cytokine Receptor date Nov 13, 2013
title Structure Of A Cytokine Receptor Complex
authors M.W.Parker, S.E.Broughton
compound source
Molecule: Cytokine Receptor Common Subunit Beta
Chain: A
Synonym: Cdw131, Gm-Csfil-3il-5 Receptor Common Beta Subu
Engineered: Yes
Organism_scientific: Homo Sapiens
Organism_common: Human
Organism_taxid: 9606
Gene: Csf2rb, Il3rb, Il5rb
Expression_system: Spodoptera Frugiperda
Expression_system_taxid: 7108

Molecule: Granulocyte-Macrophage Colony-Stimulating Factor
Chain: C
Synonym: Gm-Csf, Colony-Stimulating Factor, Csf, Molgramost Sargramostim;
Engineered: Yes

Organism_scientific: Homo Sapiens
Organism_common: Human
Organism_taxid: 9606
Gene: Csf2, Gmcsf
Expression_system: Escherichia Coli
Expression_system_taxid: 562

Molecule: Granulocyte-Macrophage Colony-Stimulating Factor Subunit Alpha;
Chain: B
Synonym: Gm-Csf-R-Alpha, Gmcsfr-Alpha, Gmr-Alpha, Cdw116
Engineered: Yes
Mutation: Yes

Organism_scientific: Homo Sapiens
Organism_common: Human
Organism_taxid: 9606
Gene: Csf2ra, Csf2r, Csf2ry
Expression_system: Spodoptera Frugiperda
Expression_system_common: Fall Armyworm
Expression_system_taxid: 7108
symmetry Space Group: P 63 2 2
R_factor 0.229 R_Free 0.273
length a length b length c angle alpha angle beta angle gamma
166.656 166.656 213.132 90.00 90.00 120.00
method X-Ray Diffractionresolution 3.30 Å
ligand NAG enzyme
note 4NKQ supersedes 3CXE



Primary referenceThe structure of the GM-CSF receptor complex reveals a distinct mode of cytokine receptor activation., Hansen G, Hercus TR, McClure BJ, Stomski FC, Dottore M, Powell J, Ramshaw H, Woodcock JM, Xu Y, Guthridge M, McKinstry WJ, Lopez AF, Parker MW, Cell. 2008 Aug 8;134(3):496-507. PMID:18692472
Data retrieval
  • Asymmetric unit, PDB entry: [header only] [complete with coordinates] (260 Kb) [Save to disk]
  • Biological Unit Coordinates (4nkq.pdb1.gz) 252 Kb
  • LPC: Ligand-Protein Contacts for 4NKQ
  • CSU: Contacts of Structural Units for 4NKQ
  • Structure Factors (417 Kb)
  • Retrieve 4NKQ in mmCIF format [Save to disk]
  • SEQRES to COORDINATES correlation for 4NKQ from S2C, [Save to disk]
  • Re-refined 4nkq structure from PDB_REDO, a databank with updated and optimised macromolecular X-ray diffraction structure models
  • View 4NKQ in 3D
  • Proteopedia, because life has more than 2D.
  • On Jmol, a nice Rasmol like molecule viewer. This is good for easiest viewing of basic structure.
  • On FirstGlance, an excellent tool for a guided tour on the structure components, by E. Martz.
  • Visual 3D analysis of 4NKQ
  • Cartoon representation from PDB Cartoon
  • Ramachandran plot from PDBSum
  • Structure-derived information
  • Electron Density related parameters from EDS Electron Density Server, at Upsala
  • Dipole moment, from Dipole Server at Weizmann Institute
  • Crystal Contacts, from CryCo at Weizmann Institute
  • Fold representative 4nkq from FSSP and Dali (Families of Structurally Similar Proteins)
  • Sequence-derived information
  • View one-letter amino acid or nucleotide sequence for each chain: [4nkq_A] [4nkq] [4nkq_B] [4nkq_C]
  • SWISS-PROT database:
  • Domain organization of by SWISSPFAM
  • Other resources with information on 4NKQ
  • Community annotation for 4NKQ at PDBWiki (http://pdbwiki.org)

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