1EUQ	Ligase Rna	date	Apr 17, 2000
title	Crystal Structure Of Glutaminyl-Trna Synthetase Complexed Wi Gln Mutant And An Active-Site Inhibitor
authors	L.D.Sherlin, T.L.Bullock, K.J.Newberry, R.S.A.Lipman, Y.M.Hou, B B.S.Sproat, J.J.Perona
compound		source
Molecule: Glutaminyl Trna Chain: B Engineered: Yes		Synthetic: Yes Other_details: Product Of Runoff T7 Polymerase Transcriptio Synthetic Dna Template;
Molecule: Glutaminyl-Trna Synthetase Chain: A Synonym: Glnrs, Glutamine-Trna Ligase Ec: 6.1.1.18 Engineered: Yes		Organism_scientific: Escherichia Coli Organism_taxid: 562 Expression_system: Escherichia Coli Expression_system_taxid: 562
symmetry	Space Group: C 2 2 21	R_factor 0.242 R_Free 0.285
crystal cell	length a length b length c angle alpha angle beta angle gamma 230.910 93.590 113.110 90.00 90.00 90.00
method	X-Ray Diffraction	resolution	3.10 Å
ligand	QSI	enzyme	Ligase E.C.6.1.1.18 BRENDA
note	1EUQ (Molecule of the Month:pdb16)
Gene Ontology	Chain Function Process Component A
Primary reference	Influence of transfer RNA tertiary structure on aminoacylation efficiency by glutaminyl and cysteinyl-tRNA synthetases., Sherlin LD, Bullock TL, Newberry KJ, Lipman RS, Hou YM, Beijer B, Sproat BS, Perona JJ, J Mol Biol 2000 Jun 2;299(2):431-46. PMID:10860750

Data retrieval

Asymmetric unit, PDB entry: [header only] [complete with coordinates] (121 Kb) [Save to disk] Biological Unit Coordinates (1euq.pdb1.gz) 116 Kb LPC: Ligand-Protein Contacts for 1EUQ CSU: Contacts of Structural Units for 1EUQ Likely Quarternary Molecular Structure file(s) for 1EUQ Structure Factors (171 Kb) Retrieve 1EUQ in mmCIF format [Save to disk] SEQRES to COORDINATES correlation for 1EUQ from S2C, [Save to disk] Re-refined 1euq structure from PDB_REDO, a databank with updated and optimised macromolecular X-ray diffraction structure models

View 1EUQ 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 1EUQ

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 1EUQ, from MSDmotif at EBI Classification of representative domains in scop (Structural Classification of Proteins)     - Domain d1euqa1, region A:339-547 [Jmol] [rasmolscript] [script source]     - Domain d1euqa2, region A:8-338 [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: [1euq_A] [1euq_B] [1euq] SWISS-PROT database: [P00962] Domain organization of [SYQ_ECOLI] by SWISSPFAM

Other resources with information on 1EUQ

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

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