3AEX	Lyase	date	Feb 13, 2010
title	Catalytic Intermediate Analogue Of Threonine Synthase From T Thermophilus Hb8
authors	T.Murakawa, Y.Machida, H.Hayashi
compound		source
Molecule: Threonine Synthase Chain: A, B Ec: 4.2.3.1 Engineered: Yes		Organism_scientific: Thermus Thermophilus Organism_taxid: 300852 Strain: Hb8 Gene: Ttha0491 Expression_system: Escherichia Coli Expression_system_taxid: 562
symmetry	Space Group: P 32 2 1	R_factor 0.216 R_Free 0.253
crystal cell	length a length b length c angle alpha angle beta angle gamma 115.252 115.252 99.709 90.00 90.00 120.00
method	X-Ray Diffraction	resolution	2.10 Å
ligand	AN7, PO4	enzyme	Lyase E.C.4.2.3.1 BRENDA
Gene Ontology	Chain Function Process Component A, B
Primary reference	Product-assisted catalysis as the basis of the reaction specificity of threonine synthase., Murakawa T, Machida Y, Hayashi H, J Biol Chem. 2011 Jan 28;286(4):2774-84. Epub 2010 Nov 17. PMID:21084312

Data retrieval

Asymmetric unit, PDB entry: [header only] [complete with coordinates] (113 Kb) [Save to disk] Biological Unit Coordinates (3aex.pdb1.gz) 109 Kb LPC: Ligand-Protein Contacts for 3AEX CSU: Contacts of Structural Units for 3AEX Structure Factors (603 Kb) Retrieve 3AEX in mmCIF format [Save to disk] SEQRES to COORDINATES correlation for 3AEX from S2C, [Save to disk] Re-refined 3aex structure from PDB_REDO, a databank with updated and optimised macromolecular X-ray diffraction structure models

View 3AEX in 3D

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Visual 3D analysis of 3AEX

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 3AEX, from MSDmotif at EBI

Sequence-derived information

View one-letter amino acid or nucleotide sequence for each chain: [3aex_B] [3aex] [3aex_A] SWISS-PROT database: Domain organization of by SWISSPFAM

Other resources with information on 3AEX

Community annotation for 3AEX at PDBWiki (http://pdbwiki.org) MMDB (Entrez's Structure Database)

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