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



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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