3IFS Isomerase date Jul 24, 2009
title 2.0 Angstrom Resolution Crystal Structure Of Glucose-6-Phosp Isomerase (Pgi) From Bacillus Anthracis.
authors G.Minasov, Z.Wawrzak, O.Onopriyenko, E.Gordon, S.N.Peterson, A.Sa W.F.Anderson, Center For Structural Genomics Of Infectious D (Csgid)
compound source
Molecule: Glucose-6-Phosphate Isomerase
Chain: A, B, C, D, E, F
Synonym: Gpi, Phosphoglucose Isomerase, Pgi, Phosphohexose Phi;
Engineered: Yes
Organism_scientific: Bacillus Anthracis
Organism_common: Anthrax,Anthrax Bacterium
Organism_taxid: 261594
Strain: Ames Ancestor
Gene: Bas4767, Ba_5130, Gbaa_5130, Pgi
Expression_system: Escherichia Coli
Expression_system_taxid: 562
Expression_system_strain: Bl21-De3
Expression_system_vector_type: Plasmid
Expression_system_plasmid: Pmcsg
symmetry Space Group: P 21 21 2
R_factor 0.140 R_Free 0.190
length a length b length c angle alpha angle beta angle gamma
111.802 303.640 72.087 90.00 90.00 90.00
method X-Ray Diffractionresolution 2.00 Å
ligand CL, LI, MSE, PGE, SO4 enzyme Isomerase E.C. BRENDA
Genes BA, GBAA
F, A, D, C, E, B

Data retrieval
  • Asymmetric unit, PDB entry: [header only] [complete with coordinates] (498 Kb) [Save to disk]
  • Biological Unit Coordinates (3ifs.pdb1.gz) 168 Kb
  • Biological Unit Coordinates (3ifs.pdb2.gz) 165 Kb
  • Biological Unit Coordinates (3ifs.pdb3.gz) 166 Kb
  • Biological Unit Coordinates (3ifs.pdb4.gz) 326 Kb
  • Biological Unit Coordinates (3ifs.pdb5.gz) 325 Kb
  • LPC: Ligand-Protein Contacts for 3IFS
  • CSU: Contacts of Structural Units for 3IFS
  • Structure Factors (1484 Kb)
  • Retrieve 3IFS in mmCIF format [Save to disk]
  • SEQRES to COORDINATES correlation for 3IFS from S2C, [Save to disk]
  • Re-refined 3ifs structure from PDB_REDO, a databank with updated and optimised macromolecular X-ray diffraction structure models
  • View 3IFS 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 3IFS
  • Cartoon representation from PDB Cartoon
  • 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
  • Crystal Contacts, from CryCo at Weizmann Institute
  • 3D motif for 3IFS, from MSDmotif at EBI
  • Fold representative 3ifs from FSSP and Dali (Families of Structurally Similar Proteins)
  • Sequence-derived information
  • View one-letter amino acid or nucleotide sequence for each chain: [3ifs_C] [3ifs_D] [3ifs_E] [3ifs] [3ifs_B] [3ifs_A] [3ifs_F]
  • SWISS-PROT database: [Q81K75]
  • Domain organization of [G6PI_BACAN] by SWISSPFAM
  • Other resources with information on 3IFS
  • Community annotation for 3IFS 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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