2NUA	Ligase	date	Nov 08, 2006
title	C123av Mutant Of E. Coli Succinyl-Coa Synthetase
authors	M.E.Fraser
compound		source
Molecule: Succinyl-Coa Ligase [Adp-Forming] Subunit Alpha Chain: A, D Synonym: Succinyl-Coa Synthetase Subunit Alpha, Scs-Alpha Ec: 6.2.1.5 Engineered: Yes Mutation: Yes		Organism_scientific: Escherichia Coli Organism_taxid: 562 Gene: Sucd Expression_system: Escherichia Coli Expression_system_taxid: 562 Expression_system_strain: Tk3d18 Expression_system_vector_type: Plasmid Expression_system_plasmid: Pgs202
Molecule: Succinyl-Coa Synthetase Beta Chain Chain: B, E Synonym: Scs-Beta Ec: 6.2.1.5 Engineered: Yes		Organism_scientific: Escherichia Coli Organism_taxid: 562 Gene: Succ Expression_system: Escherichia Coli Expression_system_taxid: 562 Expression_system_strain: Tk3d18 Expression_system_vector_type: Plasmid Expression_system_plasmid: Pgs202
symmetry	Space Group: P 43 2 2	R_factor 0.221 R_Free 0.264
crystal cell	length a length b length c angle alpha angle beta angle gamma 97.510 97.510 390.250 90.00 90.00 90.00
method	X-Ray Diffraction	resolution	2.95 Å
ligand	COA, PO4, SO4	enzyme	Ligase E.C.6.2.1.5 BRENDA
Gene Ontology	Chain Function Process Component A, D E, B
Primary reference	Participation of Cys123alpha of Escherichia coli succinyl-CoA synthetase in catalysis., Hidber E, Brownie ER, Hayakawa K, Fraser ME, Acta Crystallogr D Biol Crystallogr. 2007 Aug;63(Pt 8):876-84. Epub 2007, Jul 17. PMID:17642514

Data retrieval

Asymmetric unit, PDB entry: [header only] [complete with coordinates] (206 Kb) [Save to disk] Biological Unit Coordinates (2nua.pdb1.gz) 200 Kb Biological Unit Coordinates (2nua.pdb2.gz) 199 Kb LPC: Ligand-Protein Contacts for 2NUA CSU: Contacts of Structural Units for 2NUA Likely Quarternary Molecular Structure file(s) for 2NUA Structure Factors (389 Kb) Retrieve 2NUA in mmCIF format [Save to disk] SEQRES to COORDINATES correlation for 2NUA from S2C, [Save to disk] Re-refined 2nua structure from PDB_REDO, a databank with updated and optimised macromolecular X-ray diffraction structure models

View 2NUA 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 2NUA

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 2NUA, from MSDmotif at EBI

Sequence-derived information

View one-letter amino acid or nucleotide sequence for each chain: [2nua_D] [2nua_B] [2nua_E] [2nua] [2nua_A] SWISS-PROT database: [P0A836] [P0AGE9] Domain organization of [SUCC_ECOLI] [SUCD_ECOLI] by SWISSPFAM Domain found in 2NUA: [CoA_binding ] by SMART

Other resources with information on 2NUA

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

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