3JUS

Crystal structure of human lanosterol 14alpha-demethylase (CYP51) in complex with econazole

• PDB DOI: https://doi.org/10.2210/pdb3JUS/pdb

• Classification: OXIDOREDUCTASE
• Organism(s): Homo sapiens
• Expression System: Escherichia coli
• Mutation(s): No 


• Deposited: 2009-09-15 Released: 2010-03-02 
• Deposition Author(s): Strushkevich, N., MacKenzie, F., Arrowsmith, C.H., Edwards, A.M., Bountra, C., Weigelt, J., Usanov, S.A., Park, H., Structural Genomics Consortium (SGC)

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Experimental Data Snapshot

• Method: X-RAY DIFFRACTION
• Resolution: 2.90 Å
• R-Value Free: 0.272 
• R-Value Work: 0.203 
• R-Value Observed: 0.206 

Biological Assembly 1  

Global Symmetry: Cyclic - C2  (Explore in 3D)
Global Stoichiometry: Homo 2-mer - A2 

Biological assembly 1 assigned by authors.

Biological Assembly 2  

Global Symmetry: Cyclic - C2  (Explore in 3D)
Global Stoichiometry: Homo 2-mer - A2 

Biological assembly 2 generated by PISA (software)

Macromolecule Content

• Total Structure Weight: 110.6 kDa 
• Atom Count: 7,553 
• Modelled Residue Count: 890 
• Deposited Residue Count: 922 
• Unique protein chains: 1

Macromolecules

Entity ID: 1
Molecule	Chains	Sequence Length	Organism	Details	Image
Lanosterol 14-alpha demethylase	A, B	461	Homo sapiens	Mutation(s): 0  Gene Names: CYP51, CYP51A1 EC: 1.14.13.70
UniProt & NIH Common Fund Data Resources
Find proteins for Q16850 (Homo sapiens) Explore Q16850  Go to UniProtKB:  Q16850
PHAROS:  Q16850 GTEx:  ENSG00000001630

Oligosaccharides

Help

Entity ID: 2
Molecule	Chains	Length	2D Diagram	Glycosylation	3D Interactions
Cycloheptakis-(1-4)-(alpha-D-glucopyranose)	C, D	7		N/A
Glycosylation Resources
GlyTouCan:  G01435GL GlyCosmos:  G01435GL

Small Molecules

Ligands 3 Unique
ID	Chains	Name / Formula / InChI Key	2D Diagram
HEM	F [auth A], I [auth B]	PROTOPORPHYRIN IX CONTAINING FE C34 H32 Fe N4 O4 KABFMIBPWCXCRK-RGGAHWMASA-L
ECN	G [auth A], J [auth B]	1-[(2S)-2-[(4-CHLOROBENZYL)OXY]-2-(2,4-DICHLOROPHENYL)ETHYL]-1H-IMIDAZOLE C18 H15 Cl3 N2 O LEZWWPYKPKIXLL-GOSISDBHSA-N
ECL	E [auth A], H [auth B]	1-[(2R)-2-[(4-chlorobenzyl)oxy]-2-(2,4-dichlorophenyl)ethyl]-1H-imidazole C18 H15 Cl3 N2 O LEZWWPYKPKIXLL-SFHVURJKSA-N

Binding Affinity Annotations
ID	Source	Binding Affinity
ECL	BindingDB:  3JUS	IC50: 50 (nM) from 1 assay(s)

Biologically Interesting Molecules (External Reference) 1 Unique

Entity ID: 2
ID	Chains	Name	Type/Class	2D Diagram	3D Interactions
PRD_900012	C, D	beta-cyclodextrin	Oligosaccharide / Drug delivery

Experimental Data & Validation

Experimental Data

• Method: X-RAY DIFFRACTION
• Resolution: 2.90 Å
• R-Value Free: 0.272 
• R-Value Work: 0.203 
• R-Value Observed: 0.206 
• Space Group: P 4 2₁ 2

Unit Cell:

Length ( Å )	Angle ( ˚ )
a = 146.626	α = 90
b = 146.626	β = 90
c = 110.56	γ = 90

Software Package:

Software Name	Purpose
CCP4	model building
REFMAC	refinement
HKL-2000	data reduction
HKL-2000	data scaling
CCP4	phasing

Structure Validation

Entry History 

Deposition Data

• Released Date: 2010-03-02 
Deposition Author(s): Strushkevich, N., MacKenzie, F., Arrowsmith, C.H., Edwards, A.M., Bountra, C., Weigelt, J., Usanov, S.A., Park, H., Structural Genomics Consortium (SGC)

Revision History  

• Version 1.0: 2010-03-02
  Type: Initial release
  
• Version 1.1: 2011-07-13
  Changes: Version format compliance
• Version 1.2: 2012-08-01
  Changes: Non-polymer description
• Version 1.3: 2019-04-10
  Changes: Data collection, Database references
• Version 2.0: 2020-07-29
  Type: Remediation
  Reason: Carbohydrate remediation
  Changes: Atomic model, Data collection, Database references, Derived calculations, Non-polymer description, Structure summary
• Version 2.1: 2023-09-06
  Changes: Data collection, Database references, Refinement description, Structure summary