1FSG Transferase date Sep 08, 2000
title Toxoplasma Gondii Hypoxanthine-Guanine Phosphoribosyltransfe Complexed With 9-Deazaguanine, Alpha-D-5-Phosphoribosyl-1- Pyrophosphate (Prpp) And Two Mg2+ Ions
authors A.Heroux, E.L.White, L.J.Ross, A.P.Kuzin, D.W.Borhani
compound source
Molecule: Hypoxanthine-Guanine Phosphoribosyltransferase
Chain: A, C
Synonym: Hgprtase
Ec: 2.4.2.8
Engineered: Yes
Organism_scientific: Toxoplasma Gondii
Organism_taxid: 383379
Strain: Rh
Expression_system: Escherichia Coli Bl21(De3)
Expression_system_taxid: 469008
Expression_system_strain: Bl21(De3)
Expression_system_vector_type: Plasmid
Expression_system_vector: Pet15b
Expression_system_plasmid: Petc1
symmetry Space Group: P 21 21 2
R_factor
R_Free
crystal
cell
length a length b length c angle alpha angle beta angle gamma
69.330 90.180 75.720 90.00 90.00 90.00
method X-Ray Diffractionresolution 1.05 Å
ligand 9DG, MG, PRP enzyme Transferase E.C.2.4.2.8 BRENDA
note 1FSG is a representative structure
related structures by homologous chain: 1QK5
Gene
Ontology
ChainFunctionProcessComponent
A, C


Primary referenceSubstrate deformation in a hypoxanthine-guanine phosphoribosyltransferase ternary complex: the structural basis for catalysis., Heroux A, White EL, Ross LJ, Kuzin AP, Borhani DW, Structure Fold Des 2000 Dec 15;8(12):1309-18. PMID:11188695
Data retrieval
  • Asymmetric unit, PDB entry: [header only] [complete with coordinates] (198 Kb) [Save to disk]
  • Biological Unit Coordinates (1fsg.pdb1.gz) 382 Kb
  • LPC: Ligand-Protein Contacts for 1FSG
  • CSU: Contacts of Structural Units for 1FSG
  • Likely Quarternary Molecular Structure file(s) for 1FSG
  • Structure Factors (2209 Kb)
  • Retrieve 1FSG in mmCIF format [Save to disk]
  • SEQRES to COORDINATES correlation for 1FSG from S2C, [Save to disk]
  • Re-refined 1fsg structure from PDB_REDO, a databank with updated and optimised macromolecular X-ray diffraction structure models
  • View 1FSG 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 1FSG
  • Ramachandran plot from PDBSum
  • Structure-derived information
  • Conformational Epitope Prediction for 1FSG 1FSGA 1FSGC from the CEP Server.
  • Dipole moment, from Dipole Server at Weizmann Institute
  • 3D motif for 1FSG, from MSDmotif at EBI
  • Classification of representative domains in scop (Structural Classification of Proteins)
        - Domain d1fsga_, region A [Jmol] [rasmolscript] [script source]
        - Domain d1fsgc_, region C [Jmol] [rasmolscript] [script source]
  • Class (fold), Architecture (subfold), Topology, Homologous superfamily from CATH
  • Summaries and structural analyses of PDB data files from PDBSum
  • Identification of Protein Pockets & Cavities at CASTp
  • Sequence-derived information
  • View one-letter amino acid or nucleotide sequence for each chain: [1fsg_A] [1fsg_C] [1fsg]
  • SWISS-PROT database: [Q26997]
  • Domain organization of [HGXR_TOXGO] by SWISSPFAM
  • Other resources with information on 1FSG
  • Community annotation for 1FSG 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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