1ZN2	Transcription Regulator	date	May 11, 2005
title	Low Resolution Structure Of Response Regulator Styr
authors	M.Milani, L.Leoni, G.Rampioni, E.Zennaro, P.Ascenzi, M.Bolognesi
compound		source
Molecule: Response Regulatory Protein Chain: A Engineered: Yes		Organism_scientific: Pseudomonas Fluorescens Organism_taxid: 294 Strain: St Expression_system: Escherichia Coli Expression_system_taxid: 562
symmetry	Space Group: P 1 21 1	R_factor 0.265 R_Free 0.352
crystal cell	length a length b length c angle alpha angle beta angle gamma 41.660 36.546 75.120 90.00 100.32 90.00
method	X-Ray Diffraction	resolution	2.91 Å
ligand	MG	enzyme
Gene Ontology	Chain Function Process Component A
Primary reference	An Active-like Structure in the Unphosphorylated StyR Response Regulator Suggests a Phosphorylation- Dependent Allosteric Activation Mechanism., Milani M, Leoni L, Rampioni G, Zennaro E, Ascenzi P, Bolognesi M, Structure (Camb) 2005 Sep;13(9):1289-97. PMID:16154086

Data retrieval

Asymmetric unit, PDB entry: [header only] [complete with coordinates] (36 Kb) [Save to disk] Biological Unit Coordinates (1zn2.pdb1.gz) 31 Kb LPC: Ligand-Protein Contacts for 1ZN2 CSU: Contacts of Structural Units for 1ZN2 Likely Quarternary Molecular Structure file(s) for 1ZN2 Structure Factors (66 Kb) Retrieve 1ZN2 in mmCIF format [Save to disk] SEQRES to COORDINATES correlation for 1ZN2 from S2C, [Save to disk] Re-refined 1zn2 structure from PDB_REDO, a databank with updated and optimised macromolecular X-ray diffraction structure models

View 1ZN2 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 1ZN2

Ramachandran plot from PDBSum

Structure-derived information

Dipole moment, from Dipole Server at Weizmann Institute 3D motif for 1ZN2, from MSDmotif at EBI

Sequence-derived information

View one-letter amino acid or nucleotide sequence for each chain: [1zn2_A] [1zn2] SWISS-PROT database: [O30989] Domain organization of [O30989_PSEFL] by SWISSPFAM Domains found in 1ZN2: [HTH_LUXR] [REC ] by SMART

Other resources with information on 1ZN2

Community annotation for 1ZN2 at PDBWiki (http://pdbwiki.org) MMDB (Entrez's Structure Database)

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