2Q89	Transport Protein	date	Jun 09, 2007
title	Crystal Structure Of Ehub In Complex With Hydroxyectoine
authors	N.Hanekop, M.Hoeing, L.Sohn-Bosser, M.Jebbar, L.Schmitt, E.Bremer
compound		source
Molecule: Putative Abc Transporter Amino Acid-Binding Prote Chain: A Synonym: Ehub Engineered: Yes		Organism_scientific: Sinorhizobium Meliloti Organism_taxid: 382 Expression_system: Escherichia Coli Bl21 Expression_system_taxid: 511693 Expression_system_strain: Bl21
symmetry	Space Group: P 43 21 2	R_factor 0.235 R_Free 0.261
crystal cell	length a length b length c angle alpha angle beta angle gamma 57.135 57.135 161.576 90.00 90.00 90.00
method	X-Ray Diffraction	resolution	2.30 Å
ligand	6CS, CD	enzyme
Gene Ontology	Chain Function Process Component A
Primary reference	Crystal structure of the ligand-binding protein EhuB from Sinorhizobium meliloti reveals substrate recognition of the compatible solutes ectoine and hydroxyectoine., Hanekop N, Hoing M, Sohn-Bosser L, Jebbar M, Schmitt L, Bremer E, J Mol Biol. 2007 Dec 14;374(5):1237-50. Epub 2007 Sep 29. PMID:17996893

Data retrieval

Asymmetric unit, PDB entry: [header only] [complete with coordinates] (45 Kb) [Save to disk] Biological Unit Coordinates (2q89.pdb1.gz) 40 Kb LPC: Ligand-Protein Contacts for 2Q89 CSU: Contacts of Structural Units for 2Q89 Likely Quarternary Molecular Structure file(s) for 2Q89 Structure Factors (184 Kb) Retrieve 2Q89 in mmCIF format [Save to disk] SEQRES to COORDINATES correlation for 2Q89 from S2C, [Save to disk] Re-refined 2q89 structure from PDB_REDO, a databank with updated and optimised macromolecular X-ray diffraction structure models

View 2Q89 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 2Q89

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 2Q89, from MSDmotif at EBI

Sequence-derived information

View one-letter amino acid or nucleotide sequence for each chain: [2q89] [2q89_A] SWISS-PROT database: [Q92WC8] Domain organization of [Q92WC8_RHIME] by SWISSPFAM Domain found in 2Q89: [PBPb ] by SMART

Other resources with information on 2Q89

Community annotation for 2Q89 at PDBWiki (http://pdbwiki.org) MMDB (Entrez's Structure Database)

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