3EJW	Signaling Protein	date	Sep 18, 2008
title	Crystal Structure Of The Sinorhizobium Meliloti Ai-2 Recepto
authors	S.T.Miller, J.R.Mcauley, C.Pereira, K.B.Xavier, M.E.Taga
compound		source
Molecule: Smlsrb Chain: A, B Fragment: Unp Residues 29-343 Synonym: Smb21016 Engineered: Yes		Organism_scientific: Sinorhizobium Meliloti Organism_common: Rhizobium Meliloti Organism_taxid: 382 Gene: Aitb, Rb0590, Sm_b21016, Smb21016 Expression_system: Escherichia Coli Expression_system_taxid: 562 Expression_system_strain: Bl21 Expression_system_vector_type: Plasmid Expression_system_plasmid: Pgex 4t1
symmetry	Space Group: P 1 21 1	R_factor 0.168 R_Free 0.214
crystal cell	length a length b length c angle alpha angle beta angle gamma 57.848 71.488 68.035 90.00 98.69 90.00
method	X-Ray Diffraction	resolution	1.80 Å
ligand	PAV	enzyme
Gene	SM
Gene Ontology	Chain Function Process Component A, B
Primary reference	Sinorhizobium meliloti, a bacterium lacking the autoinducer-2 (AI-2) synthase, responds to AI-2 supplied by other bacteria., Pereira CS, McAuley JR, Taga ME, Xavier KB, Miller ST, Mol Microbiol. 2008 Dec;70(5):1223-35. PMID:18990189

Data retrieval

Asymmetric unit, PDB entry: [header only] [complete with coordinates] (118 Kb) [Save to disk] Biological Unit Coordinates (3ejw.pdb1.gz) 58 Kb Biological Unit Coordinates (3ejw.pdb2.gz) 59 Kb LPC: Ligand-Protein Contacts for 3EJW CSU: Contacts of Structural Units for 3EJW Likely Quarternary Molecular Structure file(s) for 3EJW Structure Factors (2890 Kb) Retrieve 3EJW in mmCIF format [Save to disk] SEQRES to COORDINATES correlation for 3EJW from S2C, [Save to disk] Re-refined 3ejw structure from PDB_REDO, a databank with updated and optimised macromolecular X-ray diffraction structure models

View 3EJW 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 3EJW

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 3EJW, from MSDmotif at EBI

Sequence-derived information

View one-letter amino acid or nucleotide sequence for each chain: [3ejw] [3ejw_] [3ejw_B] [3ejw_A] SWISS-PROT database: [Q926H7] Domain organization of [Q926H7_RHIME] by SWISSPFAM

Other resources with information on 3EJW

Community annotation for 3EJW at PDBWiki (http://pdbwiki.org) MMDB (Entrez's Structure Database)

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