3QWR	Protein Binding Cytokine	date	Feb 28, 2011
title	Crystal Structure Of Il-23 In Complex With An Adnectin
authors	A.Wei, S.Sheriff
compound		source
Molecule: Interleukin-12 Subunit Beta Chain: A Synonym: Il-12b, Cytotoxic Lymphocyte Maturation Factor 40 Subunit, Clmf P40, Il-12 Subunit P40, Nk Cell Stimulatory F Chain 2, Nksf2; Engineered: Yes		Organism_scientific: Homo Sapiens Organism_common: Human Organism_taxid: 9606 Gene: Il12b, Nksf2 Expression_system: Spodoptera Frugiperda Expression_system_taxid: 7108 Expression_system_strain: Sf9 Expression_system_vector_type: Plasmid Expression_system_plasmid: Pfbdual
Molecule: Interleukin-23 Subunit Alpha Chain: B Synonym: Il-23 Subunit Alpha, Il-23-A, Interleukin-23 Subun Il-23p19; Engineered: Yes		Organism_scientific: Homo Sapiens Organism_common: Human Organism_taxid: 9606 Gene: Il23a, Sgrf, Unq2498pro5798 Expression_system: Spodoptera Frugiperda Expression_system_taxid: 7108 Expression_system_strain: Sf9 Expression_system_vector_type: Plasmid Expression_system_plasmid: Pfbdual
Molecule: Adnectin Chain: D Engineered: Yes		Organism_scientific: Homo Sapiens Organism_common: Human Organism_taxid: 9606 Expression_system: Escherichia Coli Expression_system_taxid: 562 Expression_system_strain: Hms174 Expression_system_vector_type: Plasmid Expression_system_plasmid: Pet9 Pct734
symmetry	Space Group: I 21 21 21	R_factor 0.234 R_Free 0.264
crystal cell	length a length b length c angle alpha angle beta angle gamma 77.700 91.700 225.800 90.00 90.00 90.00
method	X-Ray Diffraction	resolution	3.25 Å
ligand	BMA, MAN, NAG	enzyme
Gene Ontology	Chain Function Process Component A positive regulation of inter... positive regulation of inter... B positive regulation of inter... positive regulation of inter...
Primary reference	Structures of adnectin/protein complexes reveal an expanded binding footprint., Ramamurthy V, Krystek SR Jr, Bush A, Wei A, Emanuel SL, Das Gupta R, Janjua A, Cheng L, Murdock M, Abramczyk B, Cohen D, Lin Z, Morin P, Davis JH, Dabritz M, McLaughlin DC, Russo KA, Chao G, Wright MC, Jenny VA, Engle LJ, Furfine E, Sheriff S, Structure. 2012 Feb 8;20(2):259-69. PMID:22325775

Data retrieval

Asymmetric unit, PDB entry: [header only] [complete with coordinates] (178 Kb) [Save to disk] Biological Unit Coordinates (3qwr.pdb1.gz) 171 Kb LPC: Ligand-Protein Contacts for 3QWR CSU: Contacts of Structural Units for 3QWR Structure Factors (100 Kb) Retrieve 3QWR in mmCIF format [Save to disk] SEQRES to COORDINATES correlation for 3QWR from S2C, [Save to disk] Re-refined 3qwr structure from PDB_REDO, a databank with updated and optimised macromolecular X-ray diffraction structure models

View 3QWR 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 3QWR

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 3D motif for 3QWR, from MSDmotif at EBI

Sequence-derived information

View one-letter amino acid or nucleotide sequence for each chain: [3qwr_B] [3qwr_A] [3qwr_D] [3qwr] SWISS-PROT database: Domain organization of by SWISSPFAM Domains found in 3QWR: [FN3] [IGc2] [IL6 ] by SMART

Other resources with information on 3QWR

Community annotation for 3QWR at PDBWiki (http://pdbwiki.org)

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