1E5X	Threonine Biosynthesis	date	Aug 04, 2000
title	Structure Of Threonine Synthase From Arabidopsis Thaliana
authors	K.Thomazeau, G.Curien, R.Dumas, V.Biou
compound		source
Molecule: Threonine Synthase Chain: A, B Ec: 4.2.99.2 Engineered: Yes		Organism_scientific: Arabidopsis Thaliana Organism_common: Mouse-Ear Cress Organism_taxid: 3702 Organelle: Chloroplast Cellular_location: Chloroplast Plasmid: Pet23 Gene: Nuclear Expression_system: Escherichia Coli Expression_system_taxid: 511693 Expression_system_strain: Bl21 Expression_system_vector_type: Plasmide Expression_system_vector: Pet23 Expression_system_plasmid: Pet23 Thrc_arath Expression_system_gene: Thrc_arath Other_details: Mature Enzyme Is Without Transit Peptide
symmetry	Space Group: P 1	R_factor 0.222 R_Free 0.243
crystal cell	length a length b length c angle alpha angle beta angle gamma 57.760 62.140 76.590 109.48 97.61 112.74
method	X-Ray Diffraction	resolution	2.25 Å
ligand	MSE, MSO	enzyme	Lyase E.C.4.2.99.2 BRENDA
Gene Ontology	Chain Function Process Component A, B
Primary reference	Crystal structure of threonine synthase from Arabidopsis thaliana., Thomazeau K, Curien G, Dumas R, Biou V, Protein Sci 2001 Mar;10(3):638-48. PMID:11344332

Data retrieval

Asymmetric unit, PDB entry: [header only] [complete with coordinates] (151 Kb) [Save to disk] Biological Unit Coordinates (1e5x.pdb1.gz) 148 Kb LPC: Ligand-Protein Contacts for 1E5X CSU: Contacts of Structural Units for 1E5X Likely Quarternary Molecular Structure file(s) for 1E5X Structure Factors (1196 Kb) Retrieve 1E5X in mmCIF format [Save to disk] SEQRES to COORDINATES correlation for 1E5X from S2C, [Save to disk] Re-refined 1e5x structure from PDB_REDO, a databank with updated and optimised macromolecular X-ray diffraction structure models

View 1E5X 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 1E5X

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 1E5X, from MSDmotif at EBI Classification of representative domains in scop (Structural Classification of Proteins)     - Domain d1e5xa_, region A [Jmol] [rasmolscript] [script source]     - Domain d1e5xb_, region B [Jmol] [rasmolscript] [script source]

Sequence-derived information

View one-letter amino acid or nucleotide sequence for each chain: [1e5x_B] [1e5x] [1e5x_A] SWISS-PROT database: [Q9S7B5] Domain organization of [THRC1_ARATH] by SWISSPFAM

Other resources with information on 1E5X

Community annotation for 1E5X at PDBWiki (http://pdbwiki.org) MMDB (Entrez's Structure Database)

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