9ORN | pdb_00009orn

Structure of the Acinetobacter calcoaceticus Cyclohexanone Monooxygenase mutant M10-R327K-R490E-I491E-Y246F-S186W-T187V

• PDB DOI: https://doi.org/10.2210/pdb9ORN/pdb

• Classification: OXIDOREDUCTASE
• Organism(s): Acinetobacter calcoaceticus
• Expression System: Escherichia coli
• Mutation(s): No 


• Deposited: 2025-05-22 Released: 2025-09-03 
• Deposition Author(s): Raps, F.C., Jeffrey, P.D., Sorigue, D., Hyster, T.K.
• Funding Organization(s): National Institutes of Health/National Institute of General Medical Sciences (NIH/NIGMS), Swiss National Science Foundation

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Experimental Data Snapshot

• Method: X-RAY DIFFRACTION
• Resolution: 1.75 Å
• R-Value Free: 
  0.210 (Depositor), 0.210 (DCC) 
• R-Value Work: 
  0.177 (Depositor), 0.178 (DCC) 
• R-Value Observed: 
  0.179 (Depositor) 

Starting Model: experimental

Literature

Stereoselective Photoenzymatic Hydroarylations Forming Quaternary Stereocenters

Raps, F.C., Chufan, J., Brown, A.C., Sorigue, D., Hyster, T.K.

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)

Biological Assembly Evidence: gel filtration

Macromolecule Content 

• Total Structure Weight: 62.1 kDa 
• Atom Count: 4,740 
• Modeled Residue Count: 524 
• Deposited Residue Count: 541 
• Unique protein chains: 1

Macromolecules

Entity ID: 1
Molecule	Chains	Sequence Length	Organism	Details	Image
Putative flavin-binding monooxygenase	A	541	Acinetobacter calcoaceticus	Mutation(s): 0  Gene Names: P23_1101

Small Molecules

Ligands 1 Unique
ID	Chains	Name / Formula / InChI Key	2D Diagram
FAD (Subject of Investigation/LOI)	B [auth A]	FLAVIN-ADENINE DINUCLEOTIDE C27 H33 N9 O15 P2 VWWQXMAJTJZDQX-UYBVJOGSSA-N

Experimental Data & Validation

Experimental Data

• Method: X-RAY DIFFRACTION
• Resolution: 1.75 Å
• R-Value Free:  0.210 (Depositor), 0.210 (DCC) 
• R-Value Work:  0.177 (Depositor), 0.178 (DCC) 
• R-Value Observed: 0.179 (Depositor) 

Space Group: P 1 2₁ 1

Unit Cell:

Length ( Å )	Angle ( ˚ )
a = 53.349	α = 90
b = 53.487	β = 99.894
c = 101.494	γ = 90

Software Package:

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

Structure Validation

Entry History & Funding Information

Deposition Data

• Released Date: 2025-09-03 
Deposition Author(s): Raps, F.C., Jeffrey, P.D., Sorigue, D., Hyster, T.K.

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Funding Organization	Location	Grant Number
National Institutes of Health/National Institute of General Medical Sciences (NIH/NIGMS)	United States	R01GM127703
Swiss National Science Foundation	Switzerland	P500PN 202708

Revision History  

• Version 1.0: 2025-09-03
  Type: Initial release