2GN2	Lyase	date	Apr 09, 2006
title	Crystal Structure Of Tetrameric Biodegradative Threonine Dea (Tdcb) From Salmonella Typhimurium In Complex With Cmp At 2 Resolution (Hexagonal Form)
authors	D.K.Simanshu, H.S.Savithri, M.R.N.Murthy
compound		source
Molecule: Threonine Dehydratase Catabolic Chain: A Synonym: Threonine Deaminase Ec: 4.3.1.19 Engineered: Yes		Organism_scientific: Salmonella Typhimurium Organism_taxid: 602 Strain: Ifo 12529 Gene: Tdcb Expression_system: Escherichia Coli Expression_system_taxid: 562 Expression_system_strain: Bl21(De3)Plyss Expression_system_vector_type: Plasmid Expression_system_plasmid: Prset C
symmetry	Space Group: P 6 2 2	R_factor 0.197 R_Free 0.226
crystal cell	length a length b length c angle alpha angle beta angle gamma 161.145 161.145 68.723 90.00 90.00 120.00
method	X-Ray Diffraction	resolution	2.50 Å
ligand	C5P, LLP, NA	enzyme	Lyase E.C.4.3.1.19 BRENDA
Gene Ontology	Chain Function Process Component A
Primary reference	Crystal structures of Salmonella typhimurium biodegradative threonine deaminase (TdcB) and its complex with CMP provide structural insights into ligand induced oligomerization and enzyme activation., Simanshu DK, Savithri HS, Murthy MR, J Biol Chem. 2006 Oct 17;. PMID:17046821

Data retrieval

Asymmetric unit, PDB entry: [header only] [complete with coordinates] (56 Kb) [Save to disk] Biological Unit Coordinates (2gn2.pdb1.gz) 194 Kb LPC: Ligand-Protein Contacts for 2GN2 CSU: Contacts of Structural Units for 2GN2 Likely Quarternary Molecular Structure file(s) for 2GN2 Structure Factors (134 Kb) Retrieve 2GN2 in mmCIF format [Save to disk] SEQRES to COORDINATES correlation for 2GN2 from S2C, [Save to disk] Re-refined 2gn2 structure from PDB_REDO, a databank with updated and optimised macromolecular X-ray diffraction structure models

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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 2GN2

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 2GN2, from MSDmotif at EBI

Sequence-derived information

View one-letter amino acid or nucleotide sequence for each chain: [2gn2_A] [2gn2] SWISS-PROT database: [P11954] Domain organization of [THD2_SALTY] by SWISSPFAM

Other resources with information on 2GN2

Community annotation for 2GN2 at PDBWiki (http://pdbwiki.org) MMDB (Entrez's Structure Database)

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