2P20	Ligase	date	Mar 06, 2007
title	Acetyl-Coa Synthetase, R584a Mutation
authors	A.S.Reger, A.M.Gulick
compound		source
Molecule: Acetyl-Coenzyme A Synthetase Chain: A, B Synonym: Acetate-Coa Ligase, Acyl-Activating Enzyme Ec: 6.2.1.1 Engineered: Yes Mutation: Yes		Organism_scientific: Salmonella Typhimurium Organism_taxid: 602 Strain: Typhi Gene: Acs Expression_system: Escherichia Coli Bl21(De3) Expression_system_taxid: 469008 Expression_system_strain: Bl21(De3) Expression_system_vector_type: Plasmid Expression_system_plasmid: Ptyb1
symmetry	Space Group: P 21 21 21	R_factor 0.176 R_Free 0.230
crystal cell	length a length b length c angle alpha angle beta angle gamma 91.837 95.408 164.708 90.00 90.00 90.00
method	X-Ray Diffraction	resolution	2.22 Å
ligand	PRX	enzyme	Ligase E.C.6.2.1.1 BRENDA
Gene Ontology	Chain Function Process Component A, B
Primary reference	Biochemical and Crystallographic Analysis of Substrate Binding and Conformational Changes in Acetyl-CoA Synthetase(,)., Reger AS, Carney JM, Gulick AM, Biochemistry. 2007 Jun 5;46(22):6536-46. Epub 2007 May 12. PMID:17497934

Data retrieval

Asymmetric unit, PDB entry: [header only] [complete with coordinates] (211 Kb) [Save to disk] Biological Unit Coordinates (2p20.pdb1.gz) 105 Kb Biological Unit Coordinates (2p20.pdb2.gz) 103 Kb LPC: Ligand-Protein Contacts for 2P20 CSU: Contacts of Structural Units for 2P20 Likely Quarternary Molecular Structure file(s) for 2P20 Structure Factors (548 Kb) Retrieve 2P20 in mmCIF format [Save to disk] SEQRES to COORDINATES correlation for 2P20 from S2C, [Save to disk] Re-refined 2p20 structure from PDB_REDO, a databank with updated and optimised macromolecular X-ray diffraction structure models

View 2P20 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 2P20

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 2P20, from MSDmotif at EBI

Sequence-derived information

View one-letter amino acid or nucleotide sequence for each chain: [2p20_A] [2p20_B] [2p20] SWISS-PROT database: [Q8ZKF6] Domain organization of [ACSA_SALTY] by SWISSPFAM

Other resources with information on 2P20

Community annotation for 2P20 at PDBWiki (http://pdbwiki.org) MMDB (Entrez's Structure Database)

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