2Q9F Oxidoreductase date Jun 12, 2007
title Crystal Structure Of Human Cytochrome P450 46a1 In Complex W Cholesterol-3-Sulphate
authors M.A.White, N.V.Mast, E.F.Johnson, C.D.Stout, I.A.Pikuleva
compound source
Molecule: Cytochrome P450 46a1
Chain: A
Fragment: Residues 51-500
Synonym: Cholesterol 24-Hydroxylase, Ch24h
Ec: 1.14.13.98
Engineered: Yes
Organism_scientific: Homo Sapiens
Organism_common: Human
Gene: Cyp46a1, Cyp46
Expression_system: Escherichia Coli
Expression_system_strain: Dh5alpha
Expression_system_vector_type: Plasmid
Expression_system_plasmid: Puc18
symmetry Space Group: I 41 2 2
R_factor 0.183 R_Free 0.216
crystal
cell
length a length b length c angle alpha angle beta angle gamma
121.850 121.850 144.030 90.00 90.00 90.00
method X-Ray Diffractionresolution 1.90 Å
ligand C3S, GOL, HEM, PO4 enzyme Oxidoreductase E.C.1.14.13.98 BRENDA
subcellular loc. Membrane localization by OPM: Endoplasmic reticulum membrane
luminal side
cytoplasmic side
Gene
Ontology
ChainFunctionProcessComponent
A


Primary referenceCrystal structures of substrate-bound and substrate-free cytochrome P450 46A1, the principal cholesterol hydroxylase in the brain., Mast N, White MA, Bjorkhem I, Johnson EF, Stout CD, Pikuleva IA, Proc Natl Acad Sci U S A. 2008 Jul 15;105(28):9546-51. Epub 2008 Jul 9. PMID:18621681
Data retrieval
  • Asymmetric unit, PDB entry: [header only] [complete with coordinates] (83 Kb) [Save to disk]
  • Biological Unit Coordinates (2q9f.pdb1.gz) 77 Kb
  • LPC: Ligand-Protein Contacts for 2Q9F
  • CSU: Contacts of Structural Units for 2Q9F
  • Likely Quarternary Molecular Structure file(s) for 2Q9F
  • Structure Factors (401 Kb)
  • Retrieve 2Q9F in mmCIF format [Save to disk]
  • SEQRES to COORDINATES correlation for 2Q9F from S2C, [Save to disk]
  • Re-refined 2q9f structure from PDB_REDO, a databank with updated and optimised macromolecular X-ray diffraction structure models
  • View 2Q9F 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 2Q9F
  • 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 2Q9F, from MSDmotif at EBI
  • Fold representative 2q9f from FSSP and Dali (Families of Structurally Similar Proteins)
  • Sequence-derived information
  • View one-letter amino acid or nucleotide sequence for each chain: [2q9f_A] [2q9f]
  • SWISS-PROT database: [Q9Y6A2]
  • Domain organization of [CP46A_HUMAN] by SWISSPFAM
  • Other resources with information on 2Q9F
  • Community annotation for 2Q9F 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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