3IU3 Immune System date Aug 29, 2009
title Crystal Structure Of The Fab Fragment Of Therapeutic Antibod Basiliximab In Complex With Il-2ra (Cd25) Ectodomain
authors J.Du, H.Yang, J.Wang, J.Ding
compound source
Molecule: Heavy Chain Of Fab Fragment Of Basiliximab
Chain: A, C, H
Engineered: Yes
Organism_scientific: Mus Musculus, Homo Sapiens
Organism_common: Mouse, Human
Organism_taxid: 10090, 9606
Expression_system: Escherichia Coli
Expression_system_taxid: 562

Molecule: Light Chain Of Fab Fragment Of Basiliximab
Chain: B, D, L
Engineered: Yes

Organism_scientific: Mus Musculus, Homo Sapiens
Organism_common: Mouse, Human
Organism_taxid: 10090, 9606
Expression_system: Escherichia Coli
Expression_system_taxid: 562

Molecule: Interleukin-2 Receptor Alpha Chain
Chain: I, J, K
Fragment: Extracellular Domain, Ectodomain, Unp Residues 22
Synonym: Il-2 Receptor Alpha Subunit, Il-2-Ra, Il2-Ra, P55, Antigen;
Engineered: Yes

Organism_scientific: Homo Sapiens
Organism_common: Human
Organism_taxid: 9606
Gene: Il-2ra
Expression_system: Spodoptera Frugiperda
Expression_system_taxid: 7108
Expression_system_strain: High Five
Expression_system_vector_type: Plasmid
Expression_system_plasmid: Pfastbac
symmetry Space Group: P 65 2 2
R_factor 0.215 R_Free 0.262
crystal
cell
length a length b length c angle alpha angle beta angle gamma
137.051 137.051 459.095 90.00 90.00 120.00
method X-Ray Diffractionresolution 2.90 Å
ligand BMA, NAG enzyme
Gene
Ontology
ChainFunctionProcessComponent
D, L, B


J, K, I


Primary referenceStructural basis for the blockage of IL-2 signaling by therapeutic antibody basiliximab., Du J, Yang H, Zhang D, Wang J, Guo H, Peng B, Guo Y, Ding J, J Immunol. 2010 Feb 1;184(3):1361-8. Epub 2009 Dec 23. PMID:20032294
Data retrieval
  • Asymmetric unit, PDB entry: [header only] [complete with coordinates] (534 Kb) [Save to disk]
  • Biological Unit Coordinates (3iu3.pdb1.gz) 177 Kb
  • Biological Unit Coordinates (3iu3.pdb2.gz) 179 Kb
  • Biological Unit Coordinates (3iu3.pdb3.gz) 181 Kb
  • LPC: Ligand-Protein Contacts for 3IU3
  • CSU: Contacts of Structural Units for 3IU3
  • Structure Factors (791 Kb)
  • Retrieve 3IU3 in mmCIF format [Save to disk]
  • SEQRES to COORDINATES correlation for 3IU3 from S2C, [Save to disk]
  • Re-refined 3iu3 structure from PDB_REDO, a databank with updated and optimised macromolecular X-ray diffraction structure models
  • View 3IU3 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 3IU3
  • Ramachandran plot from PDBSum
  • Structure-derived information
  • Dipole moment, from Dipole Server at Weizmann Institute
  • 3D motif for 3IU3, from MSDmotif at EBI
  • Sequence-derived information
  • View one-letter amino acid or nucleotide sequence for each chain: [3iu3_D] [3iu3_L] [3iu3] [3iu3_I] [3iu3_J] [3iu3_H] [3iu3_K] [3iu3_B] [3iu3_A] [3iu3_C]
  • SWISS-PROT database: [P01589]
  • Domain organization of [IL2RA_HUMAN] by SWISSPFAM
  • Domains found in 3IU3: [CCP] [IG_like] [IGv ] by SMART
  • Other resources with information on 3IU3
  • Community annotation for 3IU3 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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