2NXG	Transferase	date	Nov 17, 2006
title	Structural And Mechanistic Changes Along An Engineered Path Metallo To Non-Metallo Kdo8p Synthase.
authors	F.Kona, X.Xu, P.Martin, P.Kuzmic, D.L.Gatti
compound		source
Molecule: 2-Dehydro-3-Deoxyphosphooctonate Aldolase Chain: A, B Synonym: Phospho-2- Dehydro-3-Deoxyoctonate Aldolase, 3-Deo Manno-Octulosonic Acid 8- Phosphate Synthetase, Kdo-8-Phosp Synthetase, Kdo 8-P Synthase, Kdops; Ec: 2.5.1.55 Engineered: Yes Mutation: Yes		Organism_scientific: Aquifex Aeolicus Organism_taxid: 63363 Gene: Kdsa Expression_system: Escherichia Coli Expression_system_taxid: 562
symmetry	Space Group: P 31 2 1	R_factor 0.209 R_Free 0.243
crystal cell	length a length b length c angle alpha angle beta angle gamma 84.155 84.155 160.647 90.00 90.00 120.00
method	X-Ray Diffraction	resolution	1.95 Å
ligand	1NT, A5P, PEP	enzyme	Transferase E.C.2.5.1.55 BRENDA
Gene Ontology	Chain Function Process Component A, B
Primary reference	Structural and Mechanistic Changes along an Engineered Path from Metallo to Nonmetallo 3-Deoxy-d-manno-octulosonate 8-Phosphate Synthases(,)., Kona F, Xu X, Martin P, Kuzmic P, Gatti DL, Biochemistry. 2007 Apr 17;46(15):4532-44. Epub 2007 Mar 24. PMID:17381075

Data retrieval

Asymmetric unit, PDB entry: [header only] [complete with coordinates] (91 Kb) [Save to disk] Biological Unit Coordinates (2nxg.pdb1.gz) 171 Kb LPC: Ligand-Protein Contacts for 2NXG CSU: Contacts of Structural Units for 2NXG Likely Quarternary Molecular Structure file(s) for 2NXG Structure Factors (374 Kb) Retrieve 2NXG in mmCIF format [Save to disk] SEQRES to COORDINATES correlation for 2NXG from S2C, [Save to disk] Re-refined 2nxg structure from PDB_REDO, a databank with updated and optimised macromolecular X-ray diffraction structure models

View 2NXG 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 2NXG

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 2NXG, from MSDmotif at EBI

Sequence-derived information

View one-letter amino acid or nucleotide sequence for each chain: [2nxg] [2nxg_A] [2nxg_B] SWISS-PROT database: [O66496] Domain organization of [KDSA_AQUAE] by SWISSPFAM

Other resources with information on 2NXG

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

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