1PG4	Ligase	date	May 27, 2003
title	Acetyl Coa Synthetase, Salmonella Enterica
authors	A.M.Gulick, V.J.Starai, A.R.Horswill, K.M.Homick, J.C.Escalante-
compound		source
Molecule: Acetyl-Coa Synthetase Chain: A, B Ec: 6.2.1.1 Engineered: Yes Mutation: Yes		Organism_scientific: Salmonella Enterica Organism_taxid: 28901 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 1 21 1	R_factor 0.184 R_Free 0.211
crystal cell	length a length b length c angle alpha angle beta angle gamma 59.994 143.016 71.731 90.00 91.32 90.00
method	X-Ray Diffraction	resolution	1.75 Å
ligand	CL, COA, EDO, MG, PRX	enzyme	Ligase E.C.6.2.1.1 BRENDA
note	1PG4 supersedes 1NNM
related structures	by homologous chain: 1PG3
Gene Ontology	Chain Function Process Component A, B
Primary reference	The 1.75 A crystal structure of acetyl-CoA synthetase bound to adenosine-5'-propylphosphate and coenzyme A., Gulick AM, Starai VJ, Horswill AR, Homick KM, Escalante-Semerena JC, Biochemistry 2003 Mar 18;42(10):2866-73. PMID:12627952

Data retrieval

Asymmetric unit, PDB entry: [header only] [complete with coordinates] (220 Kb) [Save to disk] Biological Unit Coordinates (1pg4.pdb1.gz) 110 Kb Biological Unit Coordinates (1pg4.pdb2.gz) 108 Kb LPC: Ligand-Protein Contacts for 1PG4 CSU: Contacts of Structural Units for 1PG4 Likely Quarternary Molecular Structure file(s) for 1PG4 Structure Factors (976 Kb) Retrieve 1PG4 in mmCIF format [Save to disk] SEQRES to COORDINATES correlation for 1PG4 from S2C, [Save to disk] Re-refined 1pg4 structure from PDB_REDO, a databank with updated and optimised macromolecular X-ray diffraction structure models

View 1PG4 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 1PG4

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 1PG4, from MSDmotif at EBI Classification of representative domains in scop (Structural Classification of Proteins)     - Domain d1pg4a_, region A [Jmol] [rasmolscript] [script source]     - Domain d1pg4b_, region B [Jmol] [rasmolscript] [script source]

Sequence-derived information

View one-letter amino acid or nucleotide sequence for each chain: [1pg4] [1pg4_A] [1pg4_B] SWISS-PROT database: [Q8ZKF6] Domain organization of [ACSA_SALTY] by SWISSPFAM

Other resources with information on 1PG4

Community annotation for 1PG4 at PDBWiki (http://pdbwiki.org) MMDB (Entrez's Structure Database)

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