3GA5	Sugar Binding Protein	date	Feb 16, 2009
title	X-Ray Structure Of Glucosegalactose Receptor From Salmonell Typhimurium In Complex With (2r)-Glyceryl-Beta-D-Galactopyr
authors	S.Sooriyaarachchi, W.Ubhayasekera, S.L.Mowbray
compound		source
Molecule: D-Galactose-Binding Periplasmic Protein Chain: A, B Synonym: Gbp, D-Galactose D-Glucose-Binding Protein, Ggbp Engineered: Yes		Organism_scientific: Salmonella Typhimurium Organism_taxid: 602 Strain: Lt2 Gene: Mglb Expression_system: Escherichia Coli Expression_system_taxid: 562 Expression_system_strain: La5709 Expression_system_vector_type: Plasmid Expression_system_plasmid: Pbd10
symmetry	Space Group: P 21 21 21	R_factor 0.170 R_Free 0.222
crystal cell	length a length b length c angle alpha angle beta angle gamma 36.458 109.275 150.703 90.00 90.00 90.00
method	X-Ray Diffraction	resolution	1.87 Å
ligand	CA, NA, RGG, SCN	enzyme
Gene Ontology	Chain Function Process Component A, B
Primary reference	X-ray structure of glucose/galactose receptor from Salmonella typhimurium in complex with the physiological ligand, (2R)-glyceryl-beta-D-galactopyranoside., Sooriyaarachchi S, Ubhayasekera W, Boos W, Mowbray SL, FEBS J. 2009 Apr;276(7):2116-24. PMID:19292879

Data retrieval

Asymmetric unit, PDB entry: [header only] [complete with coordinates] (111 Kb) [Save to disk] Biological Unit Coordinates (3ga5.pdb1.gz) 54 Kb Biological Unit Coordinates (3ga5.pdb2.gz) 55 Kb LPC: Ligand-Protein Contacts for 3GA5 CSU: Contacts of Structural Units for 3GA5 Likely Quarternary Molecular Structure file(s) for 3GA5 Structure Factors (760 Kb) Retrieve 3GA5 in mmCIF format [Save to disk] SEQRES to COORDINATES correlation for 3GA5 from S2C, [Save to disk] Re-refined 3ga5 structure from PDB_REDO, a databank with updated and optimised macromolecular X-ray diffraction structure models

View 3GA5 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 3GA5

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 3GA5, from MSDmotif at EBI

Sequence-derived information

View one-letter amino acid or nucleotide sequence for each chain: [3ga5] [3ga5_A] [3ga5_B] SWISS-PROT database: [P23905] Domain organization of [DGAL_SALTY] by SWISSPFAM

Other resources with information on 3GA5

Community annotation for 3GA5 at PDBWiki (http://pdbwiki.org) MMDB (Entrez's Structure Database)

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