3UP1 Immune System date Nov 17, 2011
title Crystal Structure Of The Unliganded Human Interleukin-7 Rece Extracellular Domain
authors C.A.Mcelroy, P.J.Holland, S.T.R.Walsh
compound source
Molecule: Interleukin-7 Receptor Subunit Alpha
Chain: A, B
Synonym: Il-7 Receptor Subunit Alpha, Il-7r Subunit Alpha, Alpha, Il-7ra, Cdw127;
Engineered: Yes
Organism_scientific: Homo Sapiens
Organism_common: Human
Organism_taxid: 9606
Gene: Il7r
Expression_system: Drosophila
Expression_system_taxid: 32281
Expression_system_strain: Schneider S2 Insect Cells
Expression_system_vector_type: Plasmid
Expression_system_plasmid: Pmt-Bipa
symmetry Space Group: I 2 2 2
R_factor 0.214 R_Free 0.257
length a length b length c angle alpha angle beta angle gamma
81.424 101.259 151.994 90.00 90.00 90.00
method X-Ray Diffractionresolution 2.15 Å
ligand FUC, GOL, NAG, NGA, SO4 enzyme
A, B

Primary referenceStructural reorganization of the interleukin-7 signaling complex., McElroy CA, Holland PJ, Zhao P, Lim JM, Wells L, Eisenstein E, Walsh ST, Proc Natl Acad Sci U S A. 2012 Feb 14;109(7):2503-8. Epub 2012 Jan 30. PMID:22308406
Data retrieval
  • Asymmetric unit, PDB entry: [header only] [complete with coordinates] (151 Kb) [Save to disk]
  • Biological Unit Coordinates (3up1.pdb1.gz) 143 Kb
  • LPC: Ligand-Protein Contacts for 3UP1
  • CSU: Contacts of Structural Units for 3UP1
  • Structure Factors (517 Kb)
  • Retrieve 3UP1 in mmCIF format [Save to disk]
  • SEQRES to COORDINATES correlation for 3UP1 from S2C, [Save to disk]
  • Re-refined 3up1 structure from PDB_REDO, a databank with updated and optimised macromolecular X-ray diffraction structure models
  • View 3UP1 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 3UP1
  • 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
  • 3D motif for 3UP1, from MSDmotif at EBI
  • Fold representative 3up1 from FSSP and Dali (Families of Structurally Similar Proteins)
  • Sequence-derived information
  • View one-letter amino acid or nucleotide sequence for each chain: [3up1_A] [3up1_B] [3up1]
  • SWISS-PROT database:
  • Domain organization of by SWISSPFAM
  • Other resources with information on 3UP1
  • Community annotation for 3UP1 at PDBWiki (http://pdbwiki.org)
  • Movements, Movies and Images
  • Images from IMB Jena Image Library of Biological Macromolecules.

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