4I8V Oxidoreductase date Dec 04, 2012
title Human Cytochrome P450 1a1 In Complex With Alpha-Naphthoflavo
authors A.A.Walsh, E.E.Scott
compound source
Molecule: Cytochrome P450 1a1
Chain: A, B, C, D
Fragment: Unp Residues 35-512
Synonym: Cypia1, Cytochrome P450 Form 6, Cytochrome P450-C, Cytochrome P450-P1;
Engineered: Yes
Organism_scientific: Homo Sapiens
Organism_common: Human
Organism_taxid: 9606
Gene: Cyp1a1
Expression_system: Escherichia Coli
Expression_system_taxid: 562
Expression_system_strain: Topp3
Expression_system_vector_type: Plasmid
Expression_system_plasmid: Pkk
symmetry Space Group: P 21 21 21
R_factor 0.188 R_Free 0.244
length a length b length c angle alpha angle beta angle gamma
65.003 195.491 235.855 90.00 90.00 90.00
method X-Ray Diffractionresolution 2.60 Å
ligand BHF, HEM, NO3 enzyme Oxidoreductase E.C. BRENDA
subcellular loc. Membrane localization by OPM: Endoplasmic reticulum membrane
luminal side
cytoplasmic side
A, D, C, B
  • vitamin D 24-hydroxylase act...

  • Primary referenceHuman Cytochrome P450 1A1 Structure and Utility In Understanding Drug and Xenobiotic Metabolism., Walsh AA, Szklarz GD, Scott EE, J Biol Chem. 2013 Mar 18. PMID:23508959
    Data retrieval
  • Asymmetric unit, PDB entry: [header only] [complete with coordinates] (324 Kb) [Save to disk]
  • Biological Unit Coordinates (4i8v.pdb1.gz) 84 Kb
  • Biological Unit Coordinates (4i8v.pdb2.gz) 83 Kb
  • Biological Unit Coordinates (4i8v.pdb3.gz) 82 Kb
  • Biological Unit Coordinates (4i8v.pdb4.gz) 81 Kb
  • LPC: Ligand-Protein Contacts for 4I8V
  • CSU: Contacts of Structural Units for 4I8V
  • Structure Factors (3263 Kb)
  • Retrieve 4I8V in mmCIF format [Save to disk]
  • SEQRES to COORDINATES correlation for 4I8V from S2C, [Save to disk]
  • Re-refined 4i8v structure from PDB_REDO, a databank with updated and optimised macromolecular X-ray diffraction structure models
  • View 4I8V 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 4I8V
  • 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 4I8V, from MSDmotif at EBI
  • Fold representative 4i8v from FSSP and Dali (Families of Structurally Similar Proteins)
  • Sequence-derived information
  • View one-letter amino acid or nucleotide sequence for each chain: [4i8v_B] [4i8v_D] [4i8v_A] [4i8v] [4i8v_C]
  • SWISS-PROT database:
  • Domain organization of by SWISSPFAM
  • Alignments of the sequence of 4I8V with the sequences similar proteins can be viewed for 4I8V's classification at ProtoMap. Click on "Neighbors List", then on the "See Alignments" button below the list.
  • A sequence distance tree ("phylogenetic tree") can be viewed for 1ACL's classification at ProtoMap. Click on the Cluster number.
  • Other resources with information on 4I8V
  • Community annotation for 4I8V at PDBWiki (http://pdbwiki.org)

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