2C2G	Lyase	date	Sep 29, 2005
title	Crystal Structure Of Threonine Synthase From Arabidopsis Tha Complex With Its Cofactor Pyridoxal Phosphate
authors	C.Mas-Droux, V.Biou, R.Dumas
compound		source
Molecule: Threonine Synthase Chain: A, B Ec: 4.2.3.1 Engineered: Yes Other_details: Residue 163 Is A Lysine Bound To Pyridoxal P Via A Schiff Base		Organism_scientific: Arabidopsis Thaliana Organism_common: Mouse-Ear Cress Organism_taxid: 3702 Expression_system: Escherichia Coli Expression_system_taxid: 511693 Expression_system_strain: Bl21 Expression_system_vector_type: Plasmid Expression_system_plasmid: Pet23d
symmetry	Space Group: P 1	R_factor 0.187 R_Free 0.264
crystal cell	length a length b length c angle alpha angle beta angle gamma 57.626 61.014 76.678 108.96 102.00 107.36
method	X-Ray Diffraction	resolution	2.61 Å
ligand	PLP	enzyme	Lyase E.C.4.2.3.1 BRENDA
Gene Ontology	Chain Function Process Component A, B
Primary reference	Allosteric threonine synthase. Reorganization of the pyridoxal phosphate site upon asymmetric activation through S-adenosylmethionine binding to a novel site., Mas-Droux C, Biou V, Dumas R, J Biol Chem. 2006 Feb 24;281(8):5188-96. Epub 2005 Nov 29. PMID:16319072

Data retrieval

Asymmetric unit, PDB entry: [header only] [complete with coordinates] (144 Kb) [Save to disk] Biological Unit Coordinates (2c2g.pdb1.gz) 137 Kb LPC: Ligand-Protein Contacts for 2C2G CSU: Contacts of Structural Units for 2C2G Likely Quarternary Molecular Structure file(s) for 2C2G Structure Factors (184 Kb) Retrieve 2C2G in mmCIF format [Save to disk] SEQRES to COORDINATES correlation for 2C2G from S2C, [Save to disk] Re-refined 2c2g structure from PDB_REDO, a databank with updated and optimised macromolecular X-ray diffraction structure models

View 2C2G 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 2C2G

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 2C2G, from MSDmotif at EBI

Sequence-derived information

View one-letter amino acid or nucleotide sequence for each chain: [2c2g_B] [2c2g] [2c2g_A] SWISS-PROT database: [Q9S7B5] Domain organization of [THRC1_ARATH] by SWISSPFAM

Other resources with information on 2C2G

Community annotation for 2C2G at PDBWiki (http://pdbwiki.org) MMDB (Entrez's Structure Database)

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