2IX0	Hydrolase	date	Jul 05, 2006
title	Rnase II
authors	C.Frazao, C.E.Mcvey, M.Amblar, A.Barbas, C.Vonrhein, C.M.Arraiano M.A.Carrondo
compound		source
Molecule: Exoribonuclease 2 Chain: A Fragment: Residues 6-644 Synonym: Rnase II, Exoribonuclease II, Ribonuclease II Ec: 3.1.13.1 Engineered: Yes		Organism_scientific: Escherichia Coli Organism_taxid: 562 Strain: C600 Expression_system: Escherichia Coli Expression_system_taxid: 469008 Expression_system_strain: Bl21(De3) Expression_system_vector: Pet Expression_system_plasmid: Pet15b
symmetry	Space Group: P 1 21 1	R_factor 0.187 R_Free 0.236
crystal cell	length a length b length c angle alpha angle beta angle gamma 56.836 125.719 66.244 90.00 111.91 90.00
method	X-Ray Diffraction	resolution	2.44 Å
ligand	C5P, CA, MG	enzyme	Hydrolase E.C.3.1.13.1 BRENDA
Gene Ontology	Chain Function Process Component A nuclease activity exonuclease activity ribonuclease activity 3'-5' exonuclease activity exoribonuclease II activity
Primary reference	Unravelling the dynamics of RNA degradation by ribonuclease II and its RNA-bound complex., Frazao C, McVey CE, Amblar M, Barbas A, Vonrhein C, Arraiano CM, Carrondo MA, Nature. 2006 Sep 7;443(7107):110-4. PMID:16957732

Data retrieval

Asymmetric unit, PDB entry: [header only] [complete with coordinates] (117 Kb) [Save to disk] Biological Unit Coordinates (2ix0.pdb1.gz) 109 Kb LPC: Ligand-Protein Contacts for 2IX0 CSU: Contacts of Structural Units for 2IX0 Likely Quarternary Molecular Structure file(s) for 2IX0 Structure Factors (418 Kb) Retrieve 2IX0 in mmCIF format [Save to disk] SEQRES to COORDINATES correlation for 2IX0 from S2C, [Save to disk] Re-refined 2ix0 structure from PDB_REDO, a databank with updated and optimised macromolecular X-ray diffraction structure models

View 2IX0 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 2IX0

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 2IX0, from MSDmotif at EBI

Sequence-derived information

View one-letter amino acid or nucleotide sequence for each chain: [2ix0] [2ix0_A] SWISS-PROT database: [P30850] Domain organization of [RNB_ECOLI] by SWISSPFAM Domains found in 2IX0: [CSP] [RNB] [S1 ] by SMART

Other resources with information on 2IX0

Community annotation for 2IX0 at PDBWiki (http://pdbwiki.org) MMDB (Entrez's Structure Database)

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