8VK6 | pdb_00008vk6

14alpha-demethylase (CYP51) with amide-linked long arm extension antifungal azole inhibitor

• PDB DOI: https://doi.org/10.2210/pdb8VK6/pdb

• Classification: OXIDOREDUCTASE/INHIBITOR
• Organism(s): Saccharomyces cerevisiae YJM789
• Expression System: Saccharomyces cerevisiae
• Mutation(s): No 


• Deposited: 2024-01-08 Released: 2025-01-15 
• Deposition Author(s): Tyndall, J.D.A., Monk, B.C., Simons, C.
• Funding Organization(s): European Regional Development Fund, Health Research Council (HRC)

---

Experimental Data Snapshot

• Method: X-RAY DIFFRACTION
• Resolution: 1.89 Å
• R-Value Free: 
  0.226 (Depositor), 0.224 (DCC) 
• R-Value Work: 
  0.196 (Depositor), 0.196 (DCC) 
• R-Value Observed: 
  0.197 (Depositor) 

Starting Model: experimental

Literature

Exploring long arm amide linked extensions in the design of 14alpha-demethylase (CYP51) antifungal azole inhibitors

Alsulaimany, M., Keniya, M.V., Alanzi, R., Ruma, Y.N., Tyndall, J.D.A., Parker, J., Monk, B.C., Simons, C.

To be published.

Biological Assembly 1  

Global Symmetry: Asymmetric - C1 
Global Stoichiometry: Monomer - A1 

Biological assembly 1 assigned by authors and generated by PISA (software)

Macromolecule Content 

• Total Structure Weight: 63.77 kDa 
• Atom Count: 4,532 
• Modeled Residue Count: 527 
• Deposited Residue Count: 539 
• Unique protein chains: 1

Macromolecules

Entity ID: 1
Molecule	Chains	Sequence Length	Organism	Details	Image
Lanosterol 14-alpha demethylase	A	539	Saccharomyces cerevisiae YJM789	Mutation(s): 0  Gene Names: ERG11, SCY_2394 EC: 1.14.14.154
UniProt
Find proteins for P10614 (Saccharomyces cerevisiae (strain ATCC 204508 / S288c)) Explore P10614  Go to UniProtKB:  P10614

Small Molecules

Ligands 4 Unique
ID	Chains	Name / Formula / InChI Key	2D Diagram
HEM	B [auth A]	PROTOPORPHYRIN IX CONTAINING FE C34 H32 Fe N4 O4 KABFMIBPWCXCRK-RGGAHWMASA-L
A1AB6 (Subject of Investigation/LOI)	C [auth A]	N-[(2S)-2-(2,4-difluorophenyl)-2-hydroxy-3-(1H-1,2,4-triazol-1-yl)propyl]-4'-(trifluoromethoxy)[1,1'-biphenyl]-4-carboxamide C25 H19 F5 N4 O3 QMPFWCWUYMNPNU-DEOSSOPVSA-N
LMT	E [auth A]	DODECYL-BETA-D-MALTOSIDE C24 H46 O11 NLEBIOOXCVAHBD-QKMCSOCLSA-N
1PE	D [auth A]	PENTAETHYLENE GLYCOL C10 H22 O6 JLFNLZLINWHATN-UHFFFAOYSA-N

Experimental Data & Validation

Experimental Data

• Method: X-RAY DIFFRACTION
• Resolution: 1.89 Å
• R-Value Free:  0.226 (Depositor), 0.224 (DCC) 
• R-Value Work:  0.196 (Depositor), 0.196 (DCC) 
• R-Value Observed: 0.197 (Depositor) 

Space Group: P 1 2₁ 1

Unit Cell:

Length ( Å )	Angle ( ˚ )
a = 76.686	α = 90
b = 65.537	β = 98.5
c = 80.962	γ = 90

Software Package:

Software Name	Purpose
PHENIX	refinement
XDS	data reduction
Aimless	data scaling
PHASER	phasing

Structure Validation

Entry History & Funding Information

Deposition Data

• Released Date: 2025-01-15 
Deposition Author(s): Tyndall, J.D.A., Monk, B.C., Simons, C.

---

Funding Organization	Location	Grant Number
European Regional Development Fund	European Union	--
Health Research Council (HRC)	New Zealand	19/397

Revision History  

• Version 1.0: 2025-01-15
  Type: Initial release