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 cytokine activity cytokine receptor binding interleukin-12 receptor bind... protein binding growth factor activity interleukin-12 alpha subunit... identical protein binding protein homodimerization act... interleukin-23 receptor bind... protein heterodimerization a... positive regulation of T cel... positive regulation of defen... positive regulation of T-hel... positive regulation of natur... negative regulation of infla... cell cycle arrest cell surface receptor signal... response to UV-B positive regulation of activ... cell migration cytokine-mediated signaling ... sexual reproduction natural killer cell activati... negative regulation of inter... negative regulation of inter... positive regulation of granu... positive regulation of inter... positive regulation of inter... positive regulation of inter... positive regulation of inter... positive regulation of tumor... positive regulation of natur... positive regulation of natur... positive regulation of tissu... positive regulation of smoot... regulation of cytokine biosy... T-helper 1 type immune respo... T-helper cell differentiatio... interferon-gamma biosyntheti... positive regulation of T cel... positive regulation of activ... positive regulation of NF-ka... regulation of tyrosine phosp... positive regulation of tyros... positive regulation of tyros... positive regulation of tyros... defense response to protozoa... positive regulation of memor... negative regulation of growt... positive regulation of inter... positive regulation of osteo... positive regulation of cell ... negative regulation of smoot... positive regulation of lymph... positive regulation of infla... defense response to Gram-neg... positive regulation of NK T ... positive regulation of NK T ... defense response to virus cellular response to lipopol... cellular response to interfe... positive regulation of T-hel... positive regulation of T-hel... extracellular region extracellular space cytoplasm interleukin-12 complex interleukin-23 complex B cytokine activity interleukin-23 receptor bind... positive regulation of T cel... positive regulation of defen... positive regulation of T-hel... inflammatory response positive regulation of activ... negative regulation of inter... positive regulation of granu... positive regulation of inter... positive regulation of inter... positive regulation of inter... positive regulation of inter... positive regulation of tumor... positive regulation of natur... positive regulation of natur... positive regulation of tissu... T cell proliferation positive regulation of T cel... positive regulation of activ... positive regulation of NF-ka... regulation of tyrosine phosp... positive regulation of tyros... positive regulation of tyros... positive regulation of tyros... positive regulation of memor... innate immune response positive regulation of osteo... positive regulation of trans... tissue remodeling positive regulation of infla... defense response to Gram-neg... positive regulation of NK T ... positive regulation of NK T ... defense response to virus positive regulation of neutr... positive regulation of T-hel... positive regulation of T-hel... extracellular region extracellular space interleukin-23 complex
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] (182 Kb) [Save to disk] Biological Unit Coordinates (3qwr.pdb1.gz) 175 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. On AstexViewer, from MSD-EBI (viewer documentation). On RasMol (Install RasMol freeware) Here's help on how to use RasMol.

Visual 3D analysis of 3QWR

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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 3QWR, from MSDmotif at EBI Fold representative 3qwr from FSSP and Dali (Families of Structurally Similar Proteins)

Sequence-derived information

View one-letter amino acid or nucleotide sequence for each chain: [3qwr_A] [3qwr_B] [3qwr_D] SWISS-PROT database: Domain organization of by SWISSPFAM Alignments of the sequence of 3QWR with the sequences similar proteins can be viewed for 3QWR's classification at ProtoMap. Click on "Neighbors List", then on the "See Alignments" button below the list. A sequence distance tree ("phylogenetic tree") can be viewed for 1ACL's classification at ProtoMap. Click on the Cluster number.

Other resources with information on 3QWR

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

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