3QS9 Cytokine Signaling Protein date Feb 20, 2011
title Crystal Structure Of A Human Flt3 Ligand-Receptor Ternary Co
authors K.Verstraete, S.N.Savvides
compound source
Molecule: Sl Cytokine
Chain: A, B, C, D
Fragment: Extracellular Domain (Unp Residues 27-160)
Synonym: Flt3 Ligand, Fms-Related Tyrosine Kinase 3 Ligand,
Engineered: Yes
Organism_scientific: Homo Sapiens
Organism_common: Human
Organism_taxid: 9606
Gene: Flt3lg
Expression_system: Escherichia Coli
Expression_system_taxid: 562
Expression_system_strain: Rosetta-Gami(De3)
Expression_system_vector_type: Plasmid
Expression_system_plasmid: Pet15b

Molecule: Fl Cytokine Receptor
Chain: E, F, G, H
Fragment: Extracellular Domain (Unp Residues 27-540)
Synonym: Tyrosine-Protein Kinase Receptor Flt3, Fms-Like Ty Kinase 3, Flt-3, Stem Cell Tyrosine Kinase 1, Stk-1;
Engineered: Yes

Organism_scientific: Homo Sapiens
Organism_common: Human
Organism_taxid: 9606
Gene: Flt3, Stk1
Expression_system: Homo Sapiens
Expression_system_common: Human
Expression_system_taxid: 9606
Expression_system_strain: Gnti-
Expression_system_cell_line: Hek 293
Expression_system_vector_type: Plasmid
Expression_system_plasmid: Pcdna4to
symmetry Space Group: P 1 21 1
R_factor 0.337 R_Free 0.346
length a length b length c angle alpha angle beta angle gamma
124.750 153.550 133.870 90.00 94.57 90.00
method X-Ray Diffractionresolution 7.80 Å
enzyme Transferase E.C. BRENDA
A, B, C, D

F, E, H, G

Primary referenceStructural insights into the extracellular assembly of the hematopoietic Flt3 signaling complex., Verstraete K, Vandriessche G, Januar M, Elegheert J, Shkumatov AV, Desfosses A, Van Craenenbroeck K, Svergun DI, Gutsche I, Vergauwen B, Savvides SN, Blood. 2011 Mar 9. PMID:21389326
Data retrieval
  • Asymmetric unit, PDB entry: [header only] [complete with coordinates] (256 Kb) [Save to disk]
  • Biological Unit Coordinates (3qs9.pdb1.gz) 128 Kb
  • Biological Unit Coordinates (3qs9.pdb2.gz) 121 Kb
  • CSU: Contacts of Structural Units for 3QS9
  • Structure Factors (47 Kb)
  • Retrieve 3QS9 in mmCIF format [Save to disk]
  • SEQRES to COORDINATES correlation for 3QS9 from S2C, [Save to disk]
  • Re-refined 3qs9 structure from PDB_REDO, a databank with updated and optimised macromolecular X-ray diffraction structure models
  • View 3QS9 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 3QS9
  • Cartoon representation from PDB Cartoon
  • Ramachandran plot from PDBSum
  • Structure-derived information
  • Dipole moment, from Dipole Server at Weizmann Institute
  • Crystal Contacts, from CryCo at Weizmann Institute
  • 3D motif for 3QS9, from MSDmotif at EBI
  • Fold representative 3qs9 from FSSP and Dali (Families of Structurally Similar Proteins)
  • Sequence-derived information
  • View one-letter amino acid or nucleotide sequence for each chain: [3qs9] [3qs9_D] [3qs9_C] [3qs9_E] [3qs9_F] [3qs9_B] [3qs9_H] [3qs9_G] [3qs9_A]
  • SWISS-PROT database:
  • Domain organization of by SWISSPFAM
  • Domains found in 3QS9: [IG] [IG_like ] by SMART
  • Other resources with information on 3QS9
  • Community annotation for 3QS9 at PDBWiki (http://pdbwiki.org)
  • MMDB (Entrez's Structure Database)
  • Movements, Movies and Images
  • Images from IMB Jena Image Library of Biological Macromolecules.

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