1OZQ	Transferase	date	Apr 09, 2003
title	Crystal Structure Of The Mutated Trna-Guanine Transglycosyla Y106f Complexed With Preq1
authors	R.Brenk, M.T.Stubbs, A.Heine, K.Reuter, G.Klebe
compound		source
Molecule: Queuine Trna-Ribosyltransferase Chain: A Synonym: Trna-Guanine Transglycosylase, Guanine Insertion E Ec: 2.4.2.29 Engineered: Yes Mutation: Yes		Organism_scientific: Zymomonas Mobilis Organism_taxid: 542 Gene: Tgt Expression_system: Escherichia Coli Bl21(De3) Expression_system_taxid: 469008 Expression_system_strain: Bl21(De3) Expression_system_vector_type: Plasmid Expression_system_plasmid: Pet9d
symmetry	Space Group: C 1 2 1	R_factor 0.178 R_Free 0.211
crystal cell	length a length b length c angle alpha angle beta angle gamma 90.250 65.020 71.400 90.00 96.65 90.00
method	X-Ray Diffraction	resolution	1.90 Å
ligand	PRF, ZN	enzyme	Transferase E.C.2.4.2.29 BRENDA
related structures	by homologous chain: 1P0D, 1Q4W
Gene Ontology	Chain Function Process Component A
Primary reference	Flexible adaptations in the structure of the tRNA-modifying enzyme tRNA-guanine transglycosylase and their implications for substrate selectivity, reaction mechanism and structure-based drug design., Brenk R, Stubbs MT, Heine A, Reuter K, Klebe G, Chembiochem 2003 Oct 6;4(10):1066-77. PMID:14523925

Data retrieval

Asymmetric unit, PDB entry: [header only] [complete with coordinates] (70 Kb) [Save to disk] Biological Unit Coordinates (1ozq.pdb1.gz) 128 Kb LPC: Ligand-Protein Contacts for 1OZQ CSU: Contacts of Structural Units for 1OZQ Likely Quarternary Molecular Structure file(s) for 1OZQ Structure Factors (237 Kb) Retrieve 1OZQ in mmCIF format [Save to disk] SEQRES to COORDINATES correlation for 1OZQ from S2C, [Save to disk] Re-refined 1ozq structure from PDB_REDO, a databank with updated and optimised macromolecular X-ray diffraction structure models

View 1OZQ 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 1OZQ

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 1OZQ, from MSDmotif at EBI Classification of representative domains in scop (Structural Classification of Proteins)     - Domain d1ozqa_, region A [Jmol] [rasmolscript] [script source] Class (fold), Architecture (subfold), Topology, Homologous superfamily from CATH Summaries and structural analyses of PDB data files from PDBSum Identification of Protein Pockets & Cavities at CASTp

Sequence-derived information

View one-letter amino acid or nucleotide sequence for each chain: [1ozq_A] [1ozq] SWISS-PROT database: [P28720] Domain organization of [TGT_ZYMMO] by SWISSPFAM

Other resources with information on 1OZQ

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

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