2FLO Hydrolase date Jan 06, 2006
title Crystal Structure Of Exopolyphosphatase (Ppx) From E. Coli O
authors E.S.Rangarajan, M.Cygler, A.Matte, Montreal-Kingston Bacterial Structural Genomics Initiative (Bsgi)
compound source
Molecule: Exopolyphosphatase
Chain: A, B, C, D
Synonym: Exopolypase, Metaphosphatase
Ec: 3.6.1.11
Engineered: Yes
Organism_scientific: Escherichia Coli
Organism_taxid: 83334
Strain: O157:H7
Gene: Ppx
Expression_system: Escherichia Coli
Expression_system_taxid: 562
symmetry Space Group: P 1 21 1
R_factor 0.202 R_Free 0.247
crystal
cell
length a length b length c angle alpha angle beta angle gamma
95.547 132.139 107.850 90.00 105.10 90.00
method X-Ray Diffractionresolution 2.20 Å
ligand MSE enzyme Hydrolase E.C.3.6.1.11 BRENDA
Gene
Ontology
ChainFunctionProcessComponent
A, D, C, B


Primary referenceThe Structure of the Exopolyphosphatase (PPX) from Escherichia coli O157:H7 Suggests a Binding Mode for Long Polyphosphate Chains., Rangarajan ES, Nadeau G, Li Y, Wagner J, Hung MN, Schrag JD, Cygler M, Matte A, J Mol Biol. 2006 Jun 23;359(5):1249-60. Epub 2006 Apr 27. PMID:16678853
Data retrieval
  • Asymmetric unit, PDB entry: [header only] [complete with coordinates] (340 Kb) [Save to disk]
  • Biological Unit Coordinates (2flo.pdb1.gz) 168 Kb
  • Biological Unit Coordinates (2flo.pdb2.gz) 168 Kb
  • LPC: Ligand-Protein Contacts for 2FLO
  • CSU: Contacts of Structural Units for 2FLO
  • Likely Quarternary Molecular Structure file(s) for 2FLO
  • Structure Factors (1210 Kb)
  • Retrieve 2FLO in mmCIF format [Save to disk]
  • SEQRES to COORDINATES correlation for 2FLO from S2C, [Save to disk]
  • Re-refined 2flo structure from PDB_REDO, a databank with updated and optimised macromolecular X-ray diffraction structure models
  • View 2FLO 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 2FLO
  • 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 2FLO, from MSDmotif at EBI
  • Sequence-derived information
  • View one-letter amino acid or nucleotide sequence for each chain: [2flo_B] [2flo_D] [2flo] [2flo_C] [2flo_A]
  • SWISS-PROT database: [P0AFL8]
  • Domain organization of [PPX_ECO57] by SWISSPFAM
  • Other resources with information on 2FLO
  • Community annotation for 2FLO at PDBWiki (http://pdbwiki.org)
  • MMDB (Entrez's Structure Database)
  • Movements, Movies and Images
  • Images from IMB Jena Image Library of Biological Macromolecules.

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