2GN0	Lyase	date	Apr 09, 2006
title	Crystal Structure Of Dimeric Biodegradative Threonine Deamin From Salmonella Typhimurium At 1.7 A Resolution (Triclinic One Complete Subunit Built In Alternate Conformation)
authors	D.K.Simanshu, H.S.Savithri, M.R.Murthy
compound		source
Molecule: Threonine Dehydratase Catabolic Chain: A, B, C, D 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 1	R_factor 0.188 R_Free 0.222
crystal cell	length a length b length c angle alpha angle beta angle gamma 56.675 76.827 78.501 66.12 89.16 77.08
method	X-Ray Diffraction, 2 Models	resolution	1.70 Å
ligand	LLP, NA	enzyme	Lyase E.C.4.3.1.19 BRENDA
Gene Ontology	Chain Function Process Component A, D, C, B
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] (411 Kb) [Save to disk] Biological Unit Coordinates (2gn0.pdb1.gz) 106 Kb Biological Unit Coordinates (2gn0.pdb2.gz) 102 Kb LPC: Ligand-Protein Contacts for 2GN0 CSU: Contacts of Structural Units for 2GN0 Likely Quarternary Molecular Structure file(s) for 2GN0 Structure Factors (872 Kb) Retrieve 2GN0 in mmCIF format [Save to disk] SEQRES to COORDINATES correlation for 2GN0 from S2C, [Save to disk]

View 2GN0 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 2GN0

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 2GN0, from MSDmotif at EBI

Sequence-derived information

View one-letter amino acid or nucleotide sequence for each chain: [2gn0_A] [2gn0_C] [2gn0] [2gn0_D] [2gn0_B] SWISS-PROT database: [P11954] Domain organization of [THD2_SALTY] by SWISSPFAM

Other resources with information on 2GN0

Community annotation for 2GN0 at PDBWiki (http://pdbwiki.org) MMDB (Entrez's Structure Database)

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