1NQW	Transferase	date	Jan 23, 2003
title	Crystal Structure Of Lumazine Synthase From Aquifex Aeolicus Complex With Inhibitor: 5-(6-D-Ribitylamino-2,4(1h,3h) Pyrimidinedione-5-Yl)-1-Pentyl-Phosphonic Acid
authors	X.Zhang, W.Meining, M.Cushman, I.Haase, M.Fischer, A.Bacher, R.Lad
compound		source
Molecule: 6,7-Dimethyl-8-Ribityllumazine Synthase Chain: A, B, C, D, E Synonym: Dmrl Synthase, Lumazine Synthase, Riboflavin Synth Chain; Ec: 2.5.1.78 Engineered: Yes		Organism_scientific: Aquifex Aeolicus Organism_taxid: 63363 Expression_system: Escherichia Coli Expression_system_taxid: 562
symmetry	Space Group: I 2 3	R_factor 0.161 R_Free 0.177
crystal cell	length a length b length c angle alpha angle beta angle gamma 180.096 180.096 180.096 90.00 90.00 90.00
method	X-Ray Diffraction	resolution	2.20 Å
ligand	5YL	enzyme	Transferase E.C.2.5.1.78 BRENDA
related structures	by homologous chain: 1NQV
Gene Ontology	Chain Function Process Component A, D, C, E, B
Primary reference	A structure-based model of the reaction catalyzed by lumazine synthase from Aquifex aeolicus., Zhang X, Meining W, Cushman M, Haase I, Fischer M, Bacher A, Ladenstein R, J Mol Biol 2003 Apr 18;328(1):167-82. PMID:12684006

Data retrieval

Asymmetric unit, PDB entry: [header only] [complete with coordinates] (133 Kb) [Save to disk] Biological Unit Coordinates (1nqw.pdb1.gz) 1490 Kb LPC: Ligand-Protein Contacts for 1NQW CSU: Contacts of Structural Units for 1NQW Likely Quarternary Molecular Structure file(s) for 1NQW Structure Factors (422 Kb) Retrieve 1NQW in mmCIF format [Save to disk] SEQRES to COORDINATES correlation for 1NQW from S2C, [Save to disk] Re-refined 1nqw structure from PDB_REDO, a databank with updated and optimised macromolecular X-ray diffraction structure models

View 1NQW 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 1NQW

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 1NQW, from MSDmotif at EBI Classification of representative domains in scop (Structural Classification of Proteins)     - Domain d1nqwa_, region A [Jmol] [rasmolscript] [script source]     - Domain d1nqwb_, region B [Jmol] [rasmolscript] [script source]     - Domain d1nqwc_, region C [Jmol] [rasmolscript] [script source]     - Domain d1nqwd_, region D [Jmol] [rasmolscript] [script source]     - Domain d1nqwe_, region E [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: [1nqw_D] [1nqw] [1nqw_E] [1nqw_B] [1nqw_C] [1nqw_A] SWISS-PROT database: [O66529] Domain organization of [RISB_AQUAE] by SWISSPFAM

Other resources with information on 1NQW

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

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