2HQB	Transcription	date	Jul 18, 2006
title	Crystal Structure Of A Transcriptional Activator Of Comk Gene From Bacillus Halodurans
authors	Q.S.Xu, Berkeley Structural Genomics Center (Bsgc)
compound		source
Molecule: Transcriptional Activator Of Comk Gene Chain: A Engineered: Yes		Organism_scientific: Bacillus Halodurans Organism_taxid: 86665 Gene: Med Expression_system: Escherichia Coli Bl21 Expression_system_taxid: 511693 Expression_system_strain: Bl21 Expression_system_vector_type: Plasmid Expression_system_plasmid: Plic.B3
symmetry	Space Group: P 65 2 2	R_factor 0.237 R_Free 0.280
crystal cell	length a length b length c angle alpha angle beta angle gamma 90.117 90.117 242.826 90.00 90.00 120.00
method	X-Ray Diffraction	resolution	2.70 Å
ligand	MSE	enzyme
Gene Ontology	Chain Function Process Component A
Primary reference	Crystal structure of a transcriptional activator of comK gene from Bacillus halodurans., Xu QS, Ankoudinova I, Lou Y, Yokota H, Kim R, Kim SH, Proteins. 2007 Nov 1;69(2):409-14. PMID:17636568

Data retrieval

Asymmetric unit, PDB entry: [header only] [complete with coordinates] (51 Kb) [Save to disk] Biological Unit Coordinates (2hqb.pdb1.gz) 46 Kb LPC: Ligand-Protein Contacts for 2HQB CSU: Contacts of Structural Units for 2HQB Likely Quarternary Molecular Structure file(s) for 2HQB Structure Factors (148 Kb) Retrieve 2HQB in mmCIF format [Save to disk] SEQRES to COORDINATES correlation for 2HQB from S2C, [Save to disk] Re-refined 2hqb structure from PDB_REDO, a databank with updated and optimised macromolecular X-ray diffraction structure models

View 2HQB 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 2HQB

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 2HQB, from MSDmotif at EBI

Sequence-derived information

View one-letter amino acid or nucleotide sequence for each chain: [2hqb] [2hqb_A] SWISS-PROT database: [Q9K8W3] Domain organization of [Q9K8W3_BACHD] by SWISSPFAM

Other resources with information on 2HQB

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

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