3DUH	Immune System Cytokine	date	Jul 17, 2008
title	Structure Of Interleukin-23
authors	P.J.Lupardus, K.C.Garcia
compound		source
Molecule: Interleukin-12 Subunit Beta Chain: A, B Synonym: Il-12b, Il-12 Subunit P40, Cytotoxic Lymphocyte Ma Factor 40 Kda Subunit, Clmf P40, Nk Cell Stimulatory Factor Nksf2; Engineered: Yes		Organism_scientific: Homo Sapiens Organism_common: Human Organism_taxid: 9606 Gene: Il12b, Nksf2 Expression_system: Spodoptera Frugiperda Expression_system_common: Fall Armyworm Expression_system_taxid: 7108 Expression_system_strain: Hifive Expression_system_vector_type: Plasmid Expression_system_plasmid: Pacsg2
Molecule: Interleukin-23 Subunit Alpha Chain: C, D Synonym: Il-23 Subunit Alpha, Interleukin-23 Subunit P19, I Engineered: Yes		Organism_scientific: Homo Sapiens Organism_common: Human Organism_taxid: 9606 Gene: Il23a, Sgrf, Unq2498pro5798 Expression_system: Spodoptera Frugiperda Expression_system_common: Fall Armyworm Expression_system_taxid: 7108 Expression_system_strain: Hifive Expression_system_vector_type: Plasmid Expression_system_plasmid: Pacsg2
symmetry	Space Group: C 1 2 1	R_factor 0.228 R_Free 0.268
crystal cell	length a length b length c angle alpha angle beta angle gamma 116.089 59.974 160.365 90.00 90.46 90.00
method	X-Ray Diffraction	resolution	2.30 Å
ligand	NAG	enzyme
Gene Ontology	Chain Function Process Component A, B positive regulation of inter... positive regulation of inter... D, C positive regulation of inter... positive regulation of inter...
Primary reference	The Structure of Interleukin-23 Reveals the Molecular Basis of p40 Subunit Sharing with Interleukin-12., Lupardus PJ, Garcia KC, J Mol Biol. 2008 Jul 25. PMID:18680750

Data retrieval

Asymmetric unit, PDB entry: [header only] [complete with coordinates] (146 Kb) [Save to disk] Biological Unit Coordinates (3duh.pdb1.gz) 72 Kb Biological Unit Coordinates (3duh.pdb2.gz) 71 Kb LPC: Ligand-Protein Contacts for 3DUH CSU: Contacts of Structural Units for 3DUH Likely Quarternary Molecular Structure file(s) for 3DUH Structure Factors (2520 Kb) Retrieve 3DUH in mmCIF format [Save to disk] SEQRES to COORDINATES correlation for 3DUH from S2C, [Save to disk] Re-refined 3duh structure from PDB_REDO, a databank with updated and optimised macromolecular X-ray diffraction structure models

View 3DUH in 3D

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Visual 3D analysis of 3DUH

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 3DUH, from MSDmotif at EBI

Sequence-derived information

View one-letter amino acid or nucleotide sequence for each chain: [3duh_D] [3duh_C] [3duh] [3duh_A] [3duh_B] SWISS-PROT database: [P29460] [Q9NPF7] Domain organization of [IL12B_HUMAN] [IL23A_HUMAN] by SWISSPFAM Domains found in 3DUH: [IGc2] [IL6 ] by SMART

Other resources with information on 3DUH

Community annotation for 3DUH at PDBWiki (http://pdbwiki.org) MMDB (Entrez's Structure Database)

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