3MDT Oxidoreductase date Mar 30, 2010
title Voriconazole Complex Of Cytochrome P450 46a1
authors N.Mast, C.Charvet, I.Pikuleva, C.D.Stout
compound source
Molecule: Cholesterol 24-Hydroxylase
Chain: A, B
Fragment: Unp Residues 51-500
Synonym: Ch24h, Cytochrome P450 46a1
Engineered: Yes
Organism_scientific: Homo Sapiens
Organism_common: Human
Organism_taxid: 9606
Gene: Cyp46a1, Cyp46
Expression_system: Escherichia Coli
Expression_system_taxid: 562
Expression_system_strain: Dh5alpha
Expression_system_vector_type: Plasmid
Expression_system_plasmid: Puc18
symmetry Space Group: I 41
R_factor 0.229 R_Free 0.287
length a length b length c angle alpha angle beta angle gamma
121.600 121.600 143.830 90.00 90.00 90.00
method X-Ray Diffractionresolution 2.30 Å
ligand HEM, VOR enzyme Oxidoreductase E.C. BRENDA
A, B

Primary referenceStructural basis of drug binding to CYP46A1, an enzyme that controls cholesterol turnover in the brain., Mast N, Charvet C, Pikuleva IA, Stout CD, J Biol Chem. 2010 Oct 8;285(41):31783-95. Epub 2010 Jul 28. PMID:20667828
Data retrieval
  • Asymmetric unit, PDB entry: [header only] [complete with coordinates] (159 Kb) [Save to disk]
  • Biological Unit Coordinates (3mdt.pdb1.gz) 74 Kb
  • Biological Unit Coordinates (3mdt.pdb2.gz) 74 Kb
  • LPC: Ligand-Protein Contacts for 3MDT
  • CSU: Contacts of Structural Units for 3MDT
  • Structure Factors (744 Kb)
  • Retrieve 3MDT in mmCIF format [Save to disk]
  • SEQRES to COORDINATES correlation for 3MDT from S2C, [Save to disk]
  • Re-refined 3mdt structure from PDB_REDO, a databank with updated and optimised macromolecular X-ray diffraction structure models
  • View 3MDT 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 3MDT
  • 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 3MDT, from MSDmotif at EBI
  • Fold representative 3mdt from FSSP and Dali (Families of Structurally Similar Proteins)
  • Sequence-derived information
  • View one-letter amino acid or nucleotide sequence for each chain: [3mdt_A] [3mdt_B] [3mdt]
  • SWISS-PROT database:
  • Domain organization of by SWISSPFAM
  • Other resources with information on 3MDT
  • Community annotation for 3MDT 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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