1R0O	Transcription Dna	date	Sep 22, 2003
title	Crystal Structure Of The Heterodimeric Ecdysone Receptor Dna Complex
authors	S.Devarakonda, J.M.Harp, Y.Kim, A.Ozyhar, F.Rastinejad
compound		source
Molecule: Ecdysone Response Element Chain: C Engineered: Yes		Synthetic: Yes
Molecule: Ecdysone Response Element Chain: D Engineered: Yes		Synthetic: Yes
Molecule: Ultraspiracle Protein Chain: A Fragment: Ultraspiracle Dna Binding Domain Synonym: Xr2c, Chorion Factor 1 Engineered: Yes		Organism_scientific: Drosophila Melanogaster Organism_common: Fruit Fly Organism_taxid: 7227 Gene: Usp Expression_system: Escherichia Coli Bl21(De3) Expression_system_taxid: 469008 Expression_system_strain: Bl21de3 Expression_system_vector_type: Plasmid Expression_system_plasmid: Pgex-2t
Molecule: Ecdysone Receptor Chain: B Fragment: Ecdsyone Receptor Dna Binding Domain Synonym: Ecdysteroid Receptor, 20-Hydroxy-Ecdysone Receptor Receptor; Engineered: Yes		Organism_scientific: Drosophila Melanogaster Organism_common: Fruit Fly Organism_taxid: 7227 Gene: Ecr Expression_system: Escherichia Coli Bl21(De3) Expression_system_taxid: 469008 Expression_system_strain: Bl21de3 Expression_system_vector_type: Plasmid Expression_system_plasmid: Pgex-2t
symmetry	Space Group: P 21 21 21	R_factor 0.232 R_Free 0.270
crystal cell	length a length b length c angle alpha angle beta angle gamma 50.370 59.880 113.770 90.00 90.00 90.00
method	X-Ray Diffraction	resolution	2.24 Å
ligand	ZN	enzyme
related structures	by homologous chain: 1BY4, 1R0N
Gene Ontology	Chain Function Process Component A, B
Primary reference	Structure of the heterodimeric ecdysone receptor DNA-binding complex., Devarakonda S, Harp JM, Kim Y, Ozyhar A, Rastinejad F, EMBO J 2003 Nov 3;22(21):5827-40. PMID:14592980

Data retrieval

Asymmetric unit, PDB entry: [header only] [complete with coordinates] (51 Kb) [Save to disk] Biological Unit Coordinates (1r0o.pdb1.gz) 45 Kb LPC: Ligand-Protein Contacts for 1R0O CSU: Contacts of Structural Units for 1R0O Likely Quarternary Molecular Structure file(s) for 1R0O Structure Factors (137 Kb) Retrieve 1R0O in mmCIF format [Save to disk] SEQRES to COORDINATES correlation for 1R0O from S2C, [Save to disk] Re-refined 1r0o structure from PDB_REDO, a databank with updated and optimised macromolecular X-ray diffraction structure models

View 1R0O 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 1R0O

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 1R0O, from MSDmotif at EBI Classification of representative domains in scop (Structural Classification of Proteins)     - Domain d1r0oa_, region A [Jmol] [rasmolscript] [script source]     - Domain d1r0ob_, region B [Jmol] [rasmolscript] [script source] Class (fold), Architecture (subfold), Topology, Homologous superfamily from CATH Summaries and structural analyses of PDB data files from PDBSum Identification of Protein Pockets & Cavities at CASTp

Sequence-derived information

View one-letter amino acid or nucleotide sequence for each chain: [1r0o_B] [1r0o_C] [1r0o_A] [1r0o_D] [1r0o] SWISS-PROT database: [P34021] [P20153] Domain organization of [ECR_DROME] [USP_DROME] by SWISSPFAM Domain found in 1R0O: [ZnF_C4 ] by SMART

Other resources with information on 1R0O

Community annotation for 1R0O at PDBWiki (http://pdbwiki.org) MMDB (Entrez's Structure Database)

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