8YRB | pdb_00008yrb

Structure of cyclohexanone monooxygenase mutant from Acinetobacter calcoaceticus

• PDB DOI: https://doi.org/10.2210/pdb8YRB/pdb

• Classification: OXIDOREDUCTASE
• Organism(s): Acinetobacter calcoaceticus
• Expression System: Escherichia coli BL21(DE3)
• Mutation(s): Yes 


• Deposited: 2024-03-21 Released: 2025-04-02 
• Deposition Author(s): Qiang, G., Zheng, Y.C., Feng, L., Yu, H.L.
• Funding Organization(s): National Natural Science Foundation of China (NSFC)

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Experimental Data Snapshot

• Method: X-RAY DIFFRACTION
• Resolution: 1.78 Å
• R-Value Free: 
  0.227 (Depositor), 0.225 (DCC) 
• R-Value Work: 
  0.187 (Depositor), 0.185 (DCC) 
• R-Value Observed: 
  0.189 (Depositor) 

Starting Model: in silico

Literature

Loop Engineering Facilitates the Nicotinamide Cofactors Utilization of BVMOs

Qiang, G., Zheng, Y.C., Feng, L., Yu, H.L.

To be published.

Biological Assembly 1  

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

Biological assembly 1 assigned by authors.

Biological Assembly Evidence: gel filtration

Macromolecule Content 

• Total Structure Weight: 63.56 kDa 
• Atom Count: 4,588 
• Modeled Residue Count: 515 
• Deposited Residue Count: 548 
• Unique protein chains: 1

Macromolecules

Entity ID: 1
Molecule	Chains	Sequence Length	Organism	Details	Image
Putative flavin-binding monooxygenase	A	548	Acinetobacter calcoaceticus	Mutation(s): 19  Gene Names: P23_1101

Small Molecules

Ligands 2 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
NDP (Subject of Investigation/LOI)	C [auth A]	NADPH DIHYDRO-NICOTINAMIDE-ADENINE-DINUCLEOTIDE PHOSPHATE C21 H30 N7 O17 P3 ACFIXJIJDZMPPO-NNYOXOHSSA-N

Experimental Data & Validation

Experimental Data

• Method: X-RAY DIFFRACTION
• Resolution: 1.78 Å
• R-Value Free:  0.227 (Depositor), 0.225 (DCC) 
• R-Value Work:  0.187 (Depositor), 0.185 (DCC) 
• R-Value Observed: 0.189 (Depositor) 

Space Group: P 1 2₁ 1

Unit Cell:

Length ( Å )	Angle ( ˚ )
a = 53.02	α = 90
b = 53.22	β = 96.485
c = 100.81	γ = 90

Software Package:

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

Structure Validation

Entry History & Funding Information

Deposition Data

• Released Date: 2025-04-02 
Deposition Author(s): Qiang, G., Zheng, Y.C., Feng, L., Yu, H.L.

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Funding Organization	Location	Grant Number
National Natural Science Foundation of China (NSFC)	China	21922804

Revision History  

• Version 1.0: 2025-04-02
  Type: Initial release