3QO3	Rna Binding Protein	date	Feb 09, 2011
title	Crystal Structure Of Escherichia Coli Hfq, In Complex With A
authors	M.Beich-Frandsen, B.Vecerek, H.Hammele, K.Kloiber, B.Sjoeblom, U. K.Djinovic-Carugo
compound		source
Molecule: Protein Hfq Chain: A, B, C, D, E, F Fragment: N-Terminal (L)Sm Core-Domain, Unp Residues 1-65 Synonym: Hf-1, Host Factor-I Protein, Hf-I Engineered: Yes		Organism_scientific: Escherichia Coli Organism_taxid: 83333 Strain: K-12 Gene: B4172, Hfq, Jw4130 Expression_system: Escherichia Coli Expression_system_taxid: 562 Expression_system_strain: Bl21 (De3) Expression_system_vector_type: Plasmid Expression_system_plasmid: Puc19
symmetry	Space Group: C 1 2 1	R_factor 0.228 R_Free 0.257
crystal cell	length a length b length c angle alpha angle beta angle gamma 104.300 40.620 100.810 90.00 101.81 90.00
method	X-Ray Diffraction	resolution	2.15 Å
ligand	ATP	enzyme
Gene Ontology	Chain Function Process Component F, A, D, C, E, B
Primary reference	Structural and biochemical studies on ATP binding and hydrolysis by the Escherichia coli RNA chaperone Hfq., Hammerle H, Beich-Frandsen M, Vecerek B, Rajkowitsch L, Carugo O, Djinovic-Carugo K, Blasi U, PLoS One. 2012;7(11):e50892. doi: 10.1371/journal.pone.0050892. Epub 2012 Nov 30. PMID:23226421

Data retrieval

Asymmetric unit, PDB entry: [header only] [complete with coordinates] (72 Kb) [Save to disk] Biological Unit Coordinates (3qo3.pdb1.gz) 66 Kb LPC: Ligand-Protein Contacts for 3QO3 CSU: Contacts of Structural Units for 3QO3 Structure Factors (343 Kb) Retrieve 3QO3 in mmCIF format [Save to disk] SEQRES to COORDINATES correlation for 3QO3 from S2C, [Save to disk] Re-refined 3qo3 structure from PDB_REDO, a databank with updated and optimised macromolecular X-ray diffraction structure models

View 3QO3 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 3QO3

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 3QO3, from MSDmotif at EBI

Sequence-derived information

View one-letter amino acid or nucleotide sequence for each chain: [3qo3_D] [3qo3_C] [3qo3] [3qo3_E] [3qo3_F] [3qo3_A] [3qo3_B] SWISS-PROT database: Domain organization of by SWISSPFAM

Other resources with information on 3QO3

Community annotation for 3QO3 at PDBWiki (http://pdbwiki.org)

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