6F54 Isomerase date Nov 30, 2017
title Crystal Structure Of Ketosteroid Isomerase Triple Variant V88il99vd103s
authors M.Dunstan, A.Currin
compound source
Molecule: Steroid Delta-Isomerase
Chain: A, B
Synonym: Delta(5)-3-Ketosteroid Isomerase
Ec: 5.3.3.1
Engineered: Yes
 Organism_scientific: Pseudomonas Putida
Organism_common: Arthrobacter Siderocapsulatus
Organism_taxid: 303
Gene: Ksi
Expression_system: Escherichia Coli
Expression_system_taxid: 562
symmetry Space Group: C 1 2 1
R_factor 0.189 R_Free 0.199
crystal
cell
length a length b length c angle alpha angle beta angle gamma
86.610 71.540 50.630 90.00 90.37 90.00
method X-Ray Diffractionresolution 1.08 Å
ligand
enzyme Isomerase E.C.5.3.3.1 BRENDA
Gene
Ontology
ChainFunctionProcessComponent
A, B


Primary referenceEngineering the "Missing Link" in Biosynthetic (-)-Menthol Production: Bacterial Isopulegone Isomerase., Currin A, Dunstan MS, Johannissen LO, Hollywood KA, Vinaixa M, Jervis AJ, Swainston N, Rattray NJW, Gardiner JM, Kell DB, Takano E, Toogood HS, Scrutton NS, ACS Catal. 2018 Mar 2;8(3):2012-2020. doi: 10.1021/acscatal.7b04115. Epub 2018, Jan 24. PMID:29750129
Data retrieval
  • Asymmetric unit, PDB entry: [header only] [complete with coordinates] (52 Kb) [Save to disk]
  • Biological Unit Coordinates (6f54.pdb1.gz) 24 Kb
  • Biological Unit Coordinates (6f54.pdb2.gz) 25 Kb
  • CSU: Contacts of Structural Units for 6F54
  • Structure Factors (2581 Kb)
  • Retrieve 6F54 in mmCIF format [Save to disk]
  • SEQRES to COORDINATES correlation for 6F54 from S2C, [Save to disk]
    • View 6F54 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 6F54
  • Ramachandran plot from PDBSum
    • Structure-derived information
  • Dipole moment, from Dipole Server at Weizmann Institute
    • Sequence-derived information
  • View one-letter amino acid or nucleotide sequence for each chain: [6f54_A] [6f54_B]
  • SWISS-PROT database:
  • Domain organization of by SWISSPFAM
    • Other resources with information on 6F54
  • Community annotation for 6F54 at PDBWiki (http://pdbwiki.org)

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