9YK4 | pdb_00009yk4

Crystal structure of CYP3A4 bound to imidazole and tetraethylene glycol

  • Classification: OXIDOREDUCTASE
  • Organism(s): Homo sapiens
  • Expression System: Escherichia coli
  • Mutation(s): Yes 

  • Deposited: 2025-10-06 Released: 2025-12-03 
  • Deposition Author(s): Sevrioukova, I.F.
  • Funding Organization(s): National Institutes of Health/National Institute of Environmental Health Sciences (NIH/NIEHS)

Experimental Data Snapshot

  • Method: X-RAY DIFFRACTION
  • Resolution: 1.78 Å
  • R-Value Free: 
    0.218 (Depositor), 0.218 (DCC) 
  • R-Value Work: 
    0.184 (Depositor), 0.184 (DCC) 
  • R-Value Observed: 
    0.185 (Depositor) 

Starting Model: experimental
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Ligand Structure Quality Assessment 


This is version 1.0 of the entry. See complete history


Literature

Interaction of cytochrome P450 3A4 with the hydrophilic ligand tetraethylene glycol

Sevrioukova, I.F.

To be published.

Macromolecules
Find similar proteins by:  (by identity cutoff)  |  3D Structure
Entity ID: 1
MoleculeChains Sequence LengthOrganismDetailsImage
Cytochrome P450 3A4487Homo sapiensMutation(s): 1 
Gene Names: CYP3A4CYP3A3
EC: 1.14.14.1 (PDB Primary Data), 1.14.14.56 (PDB Primary Data), 1.14.14.73 (PDB Primary Data), 1.14.14.55 (PDB Primary Data)
UniProt & NIH Common Fund Data Resources
Find proteins for P08684 (Homo sapiens)
Explore P08684 
Go to UniProtKB:  P08684
PHAROS:  P08684
GTEx:  ENSG00000160868 
Entity Groups  
Sequence Clusters30% Identity50% Identity70% Identity90% Identity95% Identity100% Identity
UniProt GroupP08684
Sequence Annotations
Expand
  • Reference Sequence
Small Molecules
Ligands 5 Unique
IDChains Name / Formula / InChI Key2D Diagram3D Interactions
HEM
Query on HEM

Download Ideal Coordinates CCD File 
B [auth A]PROTOPORPHYRIN IX CONTAINING FE
C34 H32 Fe N4 O4
KABFMIBPWCXCRK-RGGAHWMASA-L
PG4 (Subject of Investigation/LOI)
Query on PG4

Download Ideal Coordinates CCD File 
D [auth A],
E [auth A]
TETRAETHYLENE GLYCOL
C8 H18 O5
UWHCKJMYHZGTIT-UHFFFAOYSA-N
GOL
Query on GOL

Download Ideal Coordinates CCD File 
F [auth A],
G [auth A],
H [auth A],
I [auth A]
GLYCEROL
C3 H8 O3
PEDCQBHIVMGVHV-UHFFFAOYSA-N
IMD (Subject of Investigation/LOI)
Query on IMD

Download Ideal Coordinates CCD File 
C [auth A]IMIDAZOLE
C3 H5 N2
RAXXELZNTBOGNW-UHFFFAOYSA-O
EDO
Query on EDO

Download Ideal Coordinates CCD File 
J [auth A]
K [auth A]
L [auth A]
M [auth A]
N [auth A]
J [auth A],
K [auth A],
L [auth A],
M [auth A],
N [auth A],
O [auth A],
P [auth A],
Q [auth A],
R [auth A],
S [auth A],
T [auth A],
U [auth A],
V [auth A],
W [auth A]
1,2-ETHANEDIOL
C2 H6 O2
LYCAIKOWRPUZTN-UHFFFAOYSA-N
Experimental Data & Validation

Experimental Data

  • Method: X-RAY DIFFRACTION
  • Resolution: 1.78 Å
  • R-Value Free:  0.218 (Depositor), 0.218 (DCC) 
  • R-Value Work:  0.184 (Depositor), 0.184 (DCC) 
  • R-Value Observed: 0.185 (Depositor) 
Space Group: I 2 2 2
Unit Cell:
Length ( Å )Angle ( ˚ )
a = 77.109α = 90
b = 99β = 90
c = 133.44γ = 90
Software Package:
Software NamePurpose
PHENIXrefinement
PDB_EXTRACTdata extraction
MOSFLMdata reduction
SCALAdata scaling
PHASERphasing

Structure Validation

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Ligand Structure Quality Assessment 


Entry History & Funding Information

Deposition Data


Funding OrganizationLocationGrant Number
National Institutes of Health/National Institute of Environmental Health Sciences (NIH/NIEHS)United StatesES025767

Revision History  (Full details and data files)

  • Version 1.0: 2025-12-03
    Type: Initial release