9XC8 | pdb_00009xc8

Crystal structure of Bacteroides uniformis O-acetyltransferase

• PDB DOI: https://doi.org/10.2210/pdb9XC8/pdb

• Classification: TRANSFERASE
• Organism(s): Bacteroides uniformis dnLKV2
• Expression System: Escherichia coli BL21(DE3)
• Mutation(s): No 


• Deposited: 2025-10-25 Released: 2025-11-12 
• Deposition Author(s): Meng, C.Y., Jian, X., Wu, B.X.
• Funding Organization(s): Not funded

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Experimental Data Snapshot

• Method: X-RAY DIFFRACTION
• Resolution: 1.59 Å
• R-Value Free: 
  0.209 (Depositor), 0.209 (DCC) 
• R-Value Work: 
  0.189 (Depositor), 0.188 (DCC) 
• R-Value Observed: 
  0.190 (Depositor) 

Starting Model: in silico

Literature

Crystal structure of Bacteroides uniformis O-acetyltransferase

Meng, C.Y., Jian, X., Wu, B.X.

To be published.

Biological Assembly 1  

Global Symmetry: Cyclic - C3  (Explore in 3D)
Global Stoichiometry: Homo 3-mer - A3 

Biological assembly 1 assigned by authors.

Biological Assembly Evidence: gel filtration

Macromolecule Content 

• Total Structure Weight: 76.1 kDa 
• Atom Count: 5,954 
• Modeled Residue Count: 650 
• Deposited Residue Count: 660 
• Unique protein chains: 1

Macromolecules

Entity ID: 1
Molecule	Chains	Sequence Length	Organism	Details	Image
Chloramphenicol O-acetyltransferase	A, B, C	220	Bacteroides uniformis dnLKV2	Mutation(s): 0  Gene Names: C801_01421
UniProt
Find proteins for R9HWB4 (Bacteroides uniformis dnLKV2) Explore R9HWB4  Go to UniProtKB:  R9HWB4

Small Molecules

Ligands 2 Unique
ID	Chains	Name / Formula / InChI Key	2D Diagram
BTB	D [auth A]	2-[BIS-(2-HYDROXY-ETHYL)-AMINO]-2-HYDROXYMETHYL-PROPANE-1,3-DIOL C8 H19 N O5 OWMVSZAMULFTJU-UHFFFAOYSA-N
SO4	E [auth B], F [auth B]	SULFATE ION O4 S QAOWNCQODCNURD-UHFFFAOYSA-L

Experimental Data & Validation

Experimental Data

• Method: X-RAY DIFFRACTION
• Resolution: 1.59 Å
• R-Value Free:  0.209 (Depositor), 0.209 (DCC) 
• R-Value Work:  0.189 (Depositor), 0.188 (DCC) 
• R-Value Observed: 0.190 (Depositor) 

Space Group: C 2 2 2₁

Unit Cell:

Length ( Å )	Angle ( ˚ )
a = 93.234	α = 90
b = 117.923	β = 90
c = 131.459	γ = 90

Software Package:

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

Structure Validation

Entry History & Funding Information

Deposition Data

• Released Date: 2025-11-12 
Deposition Author(s): Meng, C.Y., Jian, X., Wu, B.X.

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Funding Organization	Location	Grant Number
Not funded		--

Revision History  

• Version 1.0: 2025-11-12
  Type: Initial release