2QR3	Transcription	date	Jul 27, 2007
title	Crystal Structure Of The N-Terminal Signal Receiver Domain O Component System Response Regulator From Bacteroides Fragil
authors	J.B.Bonanno, J.Freeman, K.T.Bain, M.Mendoza, R.Romero, R.Fong, D.S S.Wasserman, J.M.Sauder, S.K.Burley, S.C.Almo, New York Sgx Res Center For Structural Genomics (Nysgxrc)
compound		source
Molecule: Two-Component System Response Regulator Chain: A Fragment: Signal Receiver Domain: Residues 2-130 Engineered: Yes		Organism_scientific: Bacteroides Fragilis Organism_taxid: 295405 Strain: Ych46 Gene: Bf2150 Expression_system: Escherichia Coli Bl21(De3) Expression_system_taxid: 469008 Expression_system_strain: Bl21(De3) Expression_system_vector_type: Plasmid Expression_system_vector: Pet Expression_system_plasmid: Modified Pet26
symmetry	Space Group: P 31 2 1	R_factor 0.202 R_Free 0.234
crystal cell	length a length b length c angle alpha angle beta angle gamma 56.044 56.044 73.622 90.00 90.00 120.00
method	X-Ray Diffraction	resolution	1.80 Å
Gene Ontology	Chain Function Process Component A

Data retrieval

Asymmetric unit, PDB entry: [header only] [complete with coordinates] (25 Kb) [Save to disk] Biological Unit Coordinates (2qr3.pdb1.gz) 20 Kb CSU: Contacts of Structural Units for 2QR3 Structure Factors (88 Kb) Retrieve 2QR3 in mmCIF format [Save to disk] SEQRES to COORDINATES correlation for 2QR3 from S2C, [Save to disk] Re-refined 2qr3 structure from PDB_REDO, a databank with updated and optimised macromolecular X-ray diffraction structure models

View 2QR3 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 2QR3

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 2QR3, from MSDmotif at EBI

Sequence-derived information

View one-letter amino acid or nucleotide sequence for each chain: [2qr3] [2qr3_A] SWISS-PROT database: [Q64UD2] Domain organization of [Q64UD2_BACFR] by SWISSPFAM Domain found in 2QR3: [REC ] by SMART

Other resources with information on 2QR3

Community annotation for 2QR3 at PDBWiki (http://pdbwiki.org) MMDB (Entrez's Structure Database)

Movements, Movies and Images

Images from IMB Jena Image Library of Biological Macromolecules.

You may enter another PDB ID code

Go [Back], to the [PDB Lite page], to the [OCA Search page] or to the [PDB Home page]

---

OCA© by Jaime Prilusky, 1996-2014,2022 Bioinformatics Unit Weizmann Institute of Science

---