1SUO

Structure of mammalian cytochrome P450 2B4 with bound 4-(4-chlorophenyl)imidazole

Structural Biology Knowledgebase: 1SUO SBKB.org


Experimental Data Snapshot

  • Method: X-RAY DIFFRACTION
  • Resolution: 1.9 Å
  • R-Value Free: 0.239
  • R-Value Work: 0.215

wwPDB Validation Full Report


Literature

Macromolecules
Sequence Display for 1SUO

Classification: OXIDOREDUCTASE

Total Structure Weight: 54964.92

Macromolecule Entities
Molecule Chains Length Organism Details
Cytochrome P450 2B4 A 476 Oryctolagus cuniculus EC#: 1.14.14.1 IUBMB
Mutation: E21A, ΔF3, ΔS4, ΔL5, ΔL6, ΔL7, ΔL8, ΔL9, ΔA10, ΔF11, ΔL12, ΔA13, ΔG14, ΔL15, ΔL16, ΔL17, ΔL18, ΔL19, ΔF20, ΔR21, G22K, H23K, P24T, K25S, A26S, H27K, R29K, P221S, H226Y
Details: CYS 436 BINDS HEME IRON. 4-(4-CHLOROPHENYL)IMIDAZOLE IS BOUND IN THE ACTIVE SITE COORDINATING TO THE HEME IRON AS THE SIXTH LIGAND.
Gene Name(s): CYP2B4

Small Molecules
Ligands 2 Unique
ID Chains Name / Formula / InChI Key 2D Diagram 3D Interactions
CPZ
Query on CPZ

A 4-(4-CHLOROPHENYL)IMIDAZOLE
C9 H7 Cl N2
DVKIFCXVRCGAEE-UHFFFAOYSA-N
Ligand Explorer
 
JSmol
HEM
Query on HEM

A PROTOPORPHYRIN IX CONTAINING FE
HEME (Synonym)
C34 H32 Fe N4 O4
KABFMIBPWCXCRK-RGGAHWMASA-L
Ligand Explorer
 
JSmol
External Ligand Annotations
ID Binding Affinity (Sequence Identity %)
CPZ -TΔS: -7.3 kJ/mol (100) BindingDB

IC50: 40 nM  BindingMOAD
N/A in PDBbind

Experimental Data & Validation

Experimental Data

  • Method: X-RAY DIFFRACTION
  • Resolution: 1.9 Å
  • R-Value Free: 0.239
  • R-Value Work: 0.215
  • Space Group: P 63 2 2
  • Electron Density Server: EDS EDS

Unit Cell:

Length (Å) Angle (°)
a = 233.39 α = 90.00
b = 233.39 β = 90.00
c = 56.38 γ = 120.00

Structure Validation

View Full Validation Report or Ramachandran Plots



Entry History

Deposition Data

  • Deposited Date: 2004-03-26
  • Released Date: 2004-07-20
  • Deposition author(s): Scott, E.E., White, M.A., He, Y.A., Johnson, E.F., Stout, C.D., Halpert, J.R.

Revision History

  • 2011-07-13
    Type: Version format compliance | Details: compliance with PDB Exchange Dictionary V4