4NZD Signaling Protein date Dec 12, 2013
title Interleukin 21 Receptor
authors O.T.Hamming, L.Kang, P.Siupka, H.H.Gad, R.Hartmann
compound source
Molecule: Interleukin-21 Receptor
Chain: A, B, C
Synonym: Il-21 Receptor, Il-21r, Novel Interleukin Receptor
Engineered: Yes
Organism_scientific: Homo Sapiens
Organism_common: Human
Organism_taxid: 9606
Gene: Il21r, Nilr, Unq3121pro10273
Expression_system: Homo Sapiens
Expression_system_taxid: 9606
Expression_system_cell_line: Hek293 Cells
symmetry Space Group: I 2 2 2
R_factor 0.239 R_Free 0.275
length a length b length c angle alpha angle beta angle gamma
114.330 125.260 178.270 90.00 90.00 90.00
method X-Ray Diffractionresolution 2.75 Å
ligand BMA, CL, EDO, FUC, MAN, NA, NAG, TLA enzyme
A, C, B

Data retrieval
  • Asymmetric unit, PDB entry: [header only] [complete with coordinates] (118 Kb) [Save to disk]
  • Biological Unit Coordinates (4nzd.pdb1.gz) 38 Kb
  • Biological Unit Coordinates (4nzd.pdb2.gz) 38 Kb
  • Biological Unit Coordinates (4nzd.pdb3.gz) 39 Kb
  • Biological Unit Coordinates (4nzd.pdb4.gz) 219 Kb
  • LPC: Ligand-Protein Contacts for 4NZD
  • CSU: Contacts of Structural Units for 4NZD
  • Structure Factors (303 Kb)
  • Retrieve 4NZD in mmCIF format [Save to disk]
  • SEQRES to COORDINATES correlation for 4NZD from S2C, [Save to disk]
  • Re-refined 4nzd structure from PDB_REDO, a databank with updated and optimised macromolecular X-ray diffraction structure models
  • View 4NZD 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 4NZD
  • 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 4NZD, from MSDmotif at EBI
  • Fold representative 4nzd from FSSP and Dali (Families of Structurally Similar Proteins)
  • Sequence-derived information
  • View one-letter amino acid or nucleotide sequence for each chain: [4nzd_A] [4nzd_B] [4nzd_C] [4nzd]
  • SWISS-PROT database:
  • Domain organization of by SWISSPFAM
  • Domain found in 4NZD: [FN3 ] by SMART
  • Other resources with information on 4NZD
  • Community annotation for 4NZD at PDBWiki (http://pdbwiki.org)

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