2GN1	Lyase	date	Apr 09, 2006
title	Crystal Structure Of Dimeric Biodegradative Threonine Deamin From Salmonella Typhimurium At 2.2a Resolution (Triclinic F One Dimer Of Tdcb In The Asymmetric Unit)
authors	D.K.Simanshu, H.S.Savithri, M.R.N.Murthy
compound		source
Molecule: Threonine Dehydratase Catabolic Chain: A, B 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 0.210 R_Free 0.253
crystal cell	length a length b length c angle alpha angle beta angle gamma 46.317 55.300 67.235 103.09 94.70 112.94
method	X-Ray Diffraction	resolution	2.20 Å
ligand	LLP, NA	enzyme	Lyase E.C.4.3.1.19 BRENDA
Gene Ontology	Chain Function Process Component A, 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] (105 Kb) [Save to disk] Biological Unit Coordinates (2gn1.pdb1.gz) 99 Kb LPC: Ligand-Protein Contacts for 2GN1 CSU: Contacts of Structural Units for 2GN1 Likely Quarternary Molecular Structure file(s) for 2GN1 Structure Factors (207 Kb) Retrieve 2GN1 in mmCIF format [Save to disk] SEQRES to COORDINATES correlation for 2GN1 from S2C, [Save to disk] Re-refined 2gn1 structure from PDB_REDO, a databank with updated and optimised macromolecular X-ray diffraction structure models

View 2GN1 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 2GN1

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 2GN1, from MSDmotif at EBI

Sequence-derived information

View one-letter amino acid or nucleotide sequence for each chain: [2gn1_B] [2gn1] [2gn1_A] SWISS-PROT database: [P11954] Domain organization of [THD2_SALTY] by SWISSPFAM

Other resources with information on 2GN1

Community annotation for 2GN1 at PDBWiki (http://pdbwiki.org) MMDB (Entrez's Structure Database)

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