9PHG | pdb_00009phg

Ketoreductase Engineering for a Chemoenzymatic Fluorination and Dynamic Kinetic Reduction Cascade

• PDB DOI: https://doi.org/10.2210/pdb9PHG/pdb

• Classification: OXIDOREDUCTASE
• Organism(s): Sporobolomyces salmonicolor
• Expression System: Escherichia coli
• Mutation(s): No 


• Deposited: 2025-07-09 Released: 2025-07-30 
• Deposition Author(s): Hruza, A., Chun, S.
• Funding Organization(s): Not funded

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Experimental Data Snapshot

• Method: X-RAY DIFFRACTION
• Resolution: 1.48 Å
• R-Value Free: 
  0.195 (Depositor), 0.188 (DCC) 
• R-Value Work: 
  0.174 (Depositor), 0.170 (DCC) 
• R-Value Observed: 
  0.175 (Depositor) 

Starting Model: experimental

Literature

Ketoreductase Engineering for a Chemoenzymatic Fluorination and Dynamic Kinetic Reduction Cascade

Chun, S.W., Kosjek, B., Cahn, J.K.B., Makarewicz, A.M., Cheung-Lee, W.L., Verma, D., Jones, C.M., Hruza, A., Forstater, J.H., Li, S., Gallagher, Q., Murphy, G.S., Moore, J.C.

(2025) ACS Catal : 13059-13068

• DOI: https://doi.org/10.1021/acscatal.5c01769

Biological Assembly 1  

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

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

Macromolecule Content 

• Total Structure Weight: 79.14 kDa 
• Atom Count: 5,731 
• Modeled Residue Count: 678 
• Deposited Residue Count: 706 
• Unique protein chains: 1

Macromolecules

Entity ID: 1
Molecule	Chains	Sequence Length	Organism	Details	Image
ketoreductase	A, B	353	Sporobolomyces salmonicolor	Mutation(s): 0  EC: 1.1.1.2
UniProt
Find proteins for Q9UUN9 (Sporidiobolus salmonicolor) Explore Q9UUN9  Go to UniProtKB:  Q9UUN9

Small Molecules

Ligands 2 Unique
ID	Chains	Name / Formula / InChI Key	2D Diagram
NAP (Subject of Investigation/LOI)	C [auth A], E [auth B]	NADP NICOTINAMIDE-ADENINE-DINUCLEOTIDE PHOSPHATE C21 H28 N7 O17 P3 XJLXINKUBYWONI-NNYOXOHSSA-N
K (Subject of Investigation/LOI)	D [auth A], F [auth B]	POTASSIUM ION K NPYPAHLBTDXSSS-UHFFFAOYSA-N

Experimental Data & Validation

Experimental Data

• Method: X-RAY DIFFRACTION
• Resolution: 1.48 Å
• R-Value Free:  0.195 (Depositor), 0.188 (DCC) 
• R-Value Work:  0.174 (Depositor), 0.170 (DCC) 
• R-Value Observed: 0.175 (Depositor) 

Space Group: P 1

Unit Cell:

Length ( Å )	Angle ( ˚ )
a = 44.599	α = 75.95
b = 52.463	β = 84.06
c = 83.861	γ = 66.05

Software Package:

Software Name	Purpose
BUSTER	refinement
autoPROC	data reduction
autoPROC	data scaling
PHASER	phasing

Structure Validation

Entry History 

& Funding Information

Deposition Data

• Released Date: 2025-07-30 
Deposition Author(s): Hruza, A., Chun, S.

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Funding Organization	Location	Grant Number
Not funded		--

Revision History  

• Version 1.0: 2025-07-30
  Type: Initial release