2RIO	Hydrolase, Transferase	date	Oct 12, 2007
title	Structure Of The Dual Enzyme Ire1 Reveals The Basis For Cata Regulation Of Non-Conventional Splicing
authors	K.P.Lee, M.Dey, D.Neculai, C.Cao, T.E.Dever, F.Sicheri
compound		source
Molecule: Serinethreonine-Protein Kinaseendoribonuclease Chain: A, B Fragment: Cytoplasmic Fragment Synonym: Endoplasmic Reticulum-To-Nucleus Signaling 1, Serinethreonine-Protein Kinase, Endoribonuclease; Ec: 2.7.11.1, 3.1.26.- Engineered: Yes		Organism_scientific: Saccharomyces Cerevisiae Organism_common: Baker'S Yeast Organism_taxid: 4932 Gene: Ire1, Ern1 Expression_system: Escherichia Coli Bl21 Expression_system_taxid: 511693 Expression_system_strain: Bl21 Expression_system_vector_type: Plasmid Expression_system_plasmid: Pproex
symmetry	Space Group: P 65	R_factor 0.222 R_Free 0.266
crystal cell	length a length b length c angle alpha angle beta angle gamma 130.307 130.307 175.011 90.00 90.00 120.00
method	X-Ray Diffraction	resolution	2.40 Å
ligand	ADP, MG, SR	enzyme	Transferase E.C.2.7.11.1 BRENDA
Gene Ontology	Chain Function Process Component A, B
Primary reference	Structure of the dual enzyme ire1 reveals the basis for catalysis and regulation in nonconventional RNA splicing., Lee KP, Dey M, Neculai D, Cao C, Dever TE, Sicheri F, Cell. 2008 Jan 11;132(1):89-100. PMID:18191223

Data retrieval

Asymmetric unit, PDB entry: [header only] [complete with coordinates] (136 Kb) [Save to disk] Biological Unit Coordinates (2rio.pdb1.gz) 129 Kb LPC: Ligand-Protein Contacts for 2RIO CSU: Contacts of Structural Units for 2RIO Likely Quarternary Molecular Structure file(s) for 2RIO Structure Factors (707 Kb) Retrieve 2RIO in mmCIF format [Save to disk] SEQRES to COORDINATES correlation for 2RIO from S2C, [Save to disk] Re-refined 2rio structure from PDB_REDO, a databank with updated and optimised macromolecular X-ray diffraction structure models

View 2RIO 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 2RIO

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 2RIO, from MSDmotif at EBI

Sequence-derived information

View one-letter amino acid or nucleotide sequence for each chain: [2rio_A] [2rio] [2rio_B] SWISS-PROT database: [P32361] Domain organization of [IRE1_YEAST] by SWISSPFAM Domains found in 2RIO: [PUG] [STYKc ] by SMART

Other resources with information on 2RIO

Community annotation for 2RIO at PDBWiki (http://pdbwiki.org) MMDB (Entrez's Structure Database)

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