1Q63	Transferase	date	Aug 12, 2003
title	Crystal Structure Of Tgt In Complex With 2,6-Diamino-8-(1h-I Ylsulfanylmethyl)-3h-Quinazoline-4-One Crystallized At Ph 5
authors	R.Brenk, E.Meyer, K.Reuter, M.T.Stubbs, G.A.Garcia, G.Klebe
compound		source
Molecule: Queuine Trna-Ribosyltransferase Chain: A Synonym: Trna-Guanine Transglycosylase, Guanine Insertion E Tgt; Ec: 2.4.2.29 Engineered: 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 0.179 R_Free 0.208
crystal cell	length a length b length c angle alpha angle beta angle gamma 90.980 65.290 70.290 90.00 96.31 90.00
method	X-Ray Diffraction	resolution	1.85 Å
ligand	AIQ, ZN	enzyme	Transferase E.C.2.4.2.29 BRENDA
related structures	by homologous chain: 1PUD, 1S38
Gene Ontology	Chain Function Process Component A
Primary reference	Crystallographic study of inhibitors of tRNA-guanine transglycosylase suggests a new structure-based pharmacophore for virtual screening., Brenk R, Meyer EA, Reuter K, Stubbs MT, Garcia GA, Diederich F, Klebe G, J Mol Biol 2004 Apr 16;338(1):55-75. PMID:15050823

Data retrieval

Asymmetric unit, PDB entry: [header only] [complete with coordinates] (70 Kb) [Save to disk] Biological Unit Coordinates (1q63.pdb1.gz) 127 Kb LPC: Ligand-Protein Contacts for 1Q63 CSU: Contacts of Structural Units for 1Q63 Likely Quarternary Molecular Structure file(s) for 1Q63 Structure Factors (570 Kb) Retrieve 1Q63 in mmCIF format [Save to disk] SEQRES to COORDINATES correlation for 1Q63 from S2C, [Save to disk] Re-refined 1q63 structure from PDB_REDO, a databank with updated and optimised macromolecular X-ray diffraction structure models

View 1Q63 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 1Q63

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 1Q63, from MSDmotif at EBI Classification of representative domains in scop (Structural Classification of Proteins)     - Domain d1q63a_, 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: [1q63] [1q63_A] SWISS-PROT database: [P28720] Domain organization of [TGT_ZYMMO] by SWISSPFAM

Other resources with information on 1Q63

Community annotation for 1Q63 at PDBWiki (http://pdbwiki.org) MMDB (Entrez's Structure Database)

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