4DOH	Signaling Protein	date	Feb 09, 2012
title	Il20il201il20r2 Ternary Complex
authors	N.J.Logsdon, M.R.Walter
compound		source
Molecule: Interleukin-20 Chain: A, C Synonym: Il-20, Cytokine Zcyto10 Engineered: Yes Mutation: Yes		Organism_scientific: Homo Sapiens Organism_common: Human Organism_taxid: 9606 Gene: Il20, Zcyto10, Unq852pro1801 Expression_system: Drosophila Expression_system_common: Fruit Flies Expression_system_taxid: 7215
Molecule: Interleukin-20 Receptor Subunit Beta Chain: B, D Synonym: Il-20 Receptor Subunit Beta, Il-20r-Beta, Il-20rb, Engineered: Yes		Organism_scientific: Homo Sapiens Organism_common: Human Organism_taxid: 9606 Gene: Il20rb, Dirs1, Unq557pro1114 Expression_system: Drosophila Expression_system_common: Fruit Flies Expression_system_taxid: 7215
Molecule: Interleukin-20 Receptor Subunit Alpha Chain: R, E Synonym: Il-20 Receptor Subunit Alpha, Il-20r-Alpha, Il-20r Cytokine Receptor Class-II Member 8, Cytokine Receptor Fami Member 8, Crf2-8, Il-20r1, Zcytor7; Engineered: Yes		Organism_scientific: Homo Sapiens Organism_common: Human Organism_taxid: 9606 Gene: Il20ra, Unq681pro1315 Expression_system: Drosophila Expression_system_common: Fruit Flies Expression_system_taxid: 7215
symmetry	Space Group: P 21 21 21	R_factor 0.230 R_Free 0.278
crystal cell	length a length b length c angle alpha angle beta angle gamma 103.115 111.764 136.334 90.00 90.00 90.00
method	X-Ray Diffraction	resolution	2.80 Å
ligand	NAG	enzyme
Gene Ontology	Chain Function Process Component A, C
Primary reference	Structural basis for receptor sharing and activation by interleukin-20 receptor-2 (IL-20R2) binding cytokines., Logsdon NJ, Deshpande A, Harris BD, Rajashankar KR, Walter MR, Proc Natl Acad Sci U S A. 2012 Jul 31;109(31):12704-9. Epub 2012 Jul 16. PMID:22802649

Data retrieval

Asymmetric unit, PDB entry: [header only] [complete with coordinates] (189 Kb) [Save to disk] Biological Unit Coordinates (4doh.pdb1.gz) 93 Kb Biological Unit Coordinates (4doh.pdb2.gz) 94 Kb LPC: Ligand-Protein Contacts for 4DOH CSU: Contacts of Structural Units for 4DOH Structure Factors (249 Kb) Retrieve 4DOH in mmCIF format [Save to disk] SEQRES to COORDINATES correlation for 4DOH from S2C, [Save to disk] Re-refined 4doh structure from PDB_REDO, a databank with updated and optimised macromolecular X-ray diffraction structure models

View 4DOH 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 4DOH

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 4DOH, from MSDmotif at EBI Fold representative 4doh from FSSP and Dali (Families of Structurally Similar Proteins)

Sequence-derived information

View one-letter amino acid or nucleotide sequence for each chain: [4doh_E] [4doh] [4doh_B] [4doh_R] [4doh_A] [4doh_C] [4doh_D] SWISS-PROT database: Domain organization of by SWISSPFAM Alignments of the sequence of 4DOH with the sequences similar proteins can be viewed for 4DOH'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 4DOH

Community annotation for 4DOH at PDBWiki (http://pdbwiki.org)

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