2R5N	Transferase	date	Sep 04, 2007
title	Crystal Structure Of Transketolase From Escherichia Coli In Noncovalent Complex With Acceptor Aldose Ribose 5-Phosphate
authors	C.Parthier, P.Asztalos, G.Wille, K.Tittmann
compound		source
Molecule: Transketolase 1 Chain: A, B Synonym: Tk 1 Ec: 2.2.1.1 Engineered: Yes		Organism_scientific: Escherichia Coli Organism_taxid: 562 Gene: Tkta, Tkt Expression_system: Escherichia Coli Expression_system_taxid: 562 Expression_system_strain: Jm109 Expression_system_vector_type: Plasmid Expression_system_plasmid: Pgsj427
symmetry	Space Group: P 21 21 21	R_factor 0.163 R_Free 0.196
crystal cell	length a length b length c angle alpha angle beta angle gamma 89.969 101.738 132.859 90.00 90.00 90.00
method	X-Ray Diffraction	resolution	1.60 Å
ligand	CA, EDO, R5P, RP5, TPP	enzyme	Transferase E.C.2.2.1.1 BRENDA
Gene Ontology	Chain Function Process Component A, B
Primary reference	Strain and Near Attack Conformers in Enzymic Thiamin Catalysis: X-ray Crystallographic Snapshots of Bacterial Transketolase in Covalent Complex with Donor Ketoses Xylulose 5-phosphate and Fructose 6-phosphate, and in Noncovalent Complex with Acceptor Aldose Ribose 5-phosphate., Asztalos P, Parthier C, Golbik R, Kleinschmidt M, Hubner G, Weiss MS, Friedemann R, Wille G, Tittmann K, Biochemistry. 2007 Oct 30;46(43):12037-12052. Epub 2007 Oct 3. PMID:17914867

Data retrieval

Asymmetric unit, PDB entry: [header only] [complete with coordinates] (238 Kb) [Save to disk] Biological Unit Coordinates (2r5n.pdb1.gz) 232 Kb LPC: Ligand-Protein Contacts for 2R5N CSU: Contacts of Structural Units for 2R5N Likely Quarternary Molecular Structure file(s) for 2R5N Structure Factors (3269 Kb) Retrieve 2R5N in mmCIF format [Save to disk] SEQRES to COORDINATES correlation for 2R5N from S2C, [Save to disk] Re-refined 2r5n structure from PDB_REDO, a databank with updated and optimised macromolecular X-ray diffraction structure models

View 2R5N 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 2R5N

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 2R5N, from MSDmotif at EBI

Sequence-derived information

View one-letter amino acid or nucleotide sequence for each chain: [2r5n_A] [2r5n_B] [2r5n] SWISS-PROT database: [P27302] Domain organization of [TKT1_ECOLI] by SWISSPFAM Domain found in 2R5N: [Transket_pyr ] by SMART

Other resources with information on 2R5N

Community annotation for 2R5N at PDBWiki (http://pdbwiki.org) MMDB (Entrez's Structure Database)

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