1GSZ Isomerase date Jan 09, 2002
title Crystal Structure Of A Squalene Cyclase In Complex With The Anticholesteremic Drug Ro48-8071
authors A.Lenhart, W.A.Weihofen, A.E.W.Pleschke, G.E.Schulz
compound source
Molecule: Squalene--Hopene Cyclase
Chain: A, B, C
Ec: 5.4.99.17
Engineered: Yes
Organism_scientific: Alicyclobacillus Acidocaldarius
Organism_taxid: 405212
Expression_system: Escherichia Coli K-12
Expression_system_taxid: 83333
Expression_system_variant: Jm105
Expression_system_vector_type: Plasmid
Expression_system_plasmid: Pkk223-3
Other_details: Thermostable, Acidophilic
symmetry Space Group: P 32 2 1
R_factor 0.203 R_Free 0.259
crystal
cell
length a length b length c angle alpha angle beta angle gamma
140.897 140.897 244.049 90.00 90.00 120.00
method X-Ray Diffractionresolution 2.80 Å
ligand C8E, R71 BindingDB enzyme Isomerase E.C.5.4.99.17 BRENDA
related structures by homologous chain: 1H37, 1O6Q
Gene
Ontology
ChainFunctionProcessComponent
A, C, B


Primary referenceCrystal structure of a squalene cyclase in complex with the potential anticholesteremic drug Ro48-8071., Lenhart A, Weihofen WA, Pleschke AE, Schulz GE, Chem Biol. 2002 May;9(5):639-45. PMID:12031670
Data retrieval
  • Asymmetric unit, PDB entry: [header only] [complete with coordinates] (294 Kb) [Save to disk]
  • Biological Unit Coordinates (1gsz.pdb1.gz) 192 Kb
  • Biological Unit Coordinates (1gsz.pdb2.gz) 194 Kb
  • Biological Unit Coordinates (1gsz.pdb3.gz) 193 Kb
  • LPC: Ligand-Protein Contacts for 1GSZ
  • CSU: Contacts of Structural Units for 1GSZ
  • Likely Quarternary Molecular Structure file(s) for 1GSZ
  • Structure Factors (472 Kb)
  • Retrieve 1GSZ in mmCIF format [Save to disk]
  • SEQRES to COORDINATES correlation for 1GSZ from S2C, [Save to disk]
  • Re-refined 1gsz structure from PDB_REDO, a databank with updated and optimised macromolecular X-ray diffraction structure models
  • View 1GSZ 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 1GSZ
  • 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 1GSZ, from MSDmotif at EBI
  • Classification of representative domains in scop (Structural Classification of Proteins)
        - Domain d1gsza1, region A:10-36,A:308-628 [Jmol] [rasmolscript] [script source]
        - Domain d1gsza2, region A:37-307 [Jmol] [rasmolscript] [script source]
        - Domain d1gszb1, region B:10-36,B:308-628 [Jmol] [rasmolscript] [script source]
        - Domain d1gszb2, region B:37-307 [Jmol] [rasmolscript] [script source]
        - Domain d1gszc1, region C:10-36,C:308-628 [Jmol] [rasmolscript] [script source]
        - Domain d1gszc2, region C:37-307 [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: [1gsz_C] [1gsz_A] [1gsz_B] [1gsz]
  • SWISS-PROT database: [P33247]
  • Domain organization of [SQHC_ALIAD] by SWISSPFAM
  • Other resources with information on 1GSZ
  • Community annotation for 1GSZ 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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