9L8X | pdb_00009l8x

The crystal structure of Halogenases XhnO11 complex with vanadate

• PDB DOI: https://doi.org/10.2210/pdb9L8X/pdb

• Classification: OXIDOREDUCTASE
• Organism(s): Streptomyces xinghaiensis
• Expression System: Escherichia coli
• Mutation(s): No 


• Deposited: 2024-12-28 Released: 2025-12-31 
• Deposition Author(s): Wu, L., Fang, S.Q., Nie, Q.Y., Tang, G.L.
• Funding Organization(s): Not funded

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Experimental Data Snapshot

• Method: X-RAY DIFFRACTION
• Resolution: 2.40 Å
• R-Value Free: 
  0.247 (Depositor), 0.247 (DCC) 
• R-Value Work: 
  0.190 (Depositor), 0.192 (DCC) 
• R-Value Observed: 
  0.193 (Depositor) 

Starting Model: in silico

Literature

The crystal structure of Halogenases XhnO11 complex with vanadate

Nie, Q.Y., Fang, S.Q., Wu, L., Tang, G.L.

To be published.

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)

Biological Assembly Evidence: gel filtration

Macromolecule Content 

• Total Structure Weight: 116.46 kDa 
• Atom Count: 7,511 
• Modeled Residue Count: 916 
• Deposited Residue Count: 1,056 
• Unique protein chains: 1

Macromolecules

Entity ID: 1
Molecule	Chains	Sequence Length	Organism	Details	Image
Vanadium-dependent haloperoxidase	A [auth B], B [auth A]	528	Streptomyces xinghaiensis	Mutation(s): 0  Gene Names: Sfr7A_13920, SFRA_005355
UniProt
Find proteins for A0A420V7T7 (Streptomyces xinghaiensis) Explore A0A420V7T7  Go to UniProtKB:  A0A420V7T7

Small Molecules

Ligands 2 Unique
ID	Chains	Name / Formula / InChI Key	2D Diagram
VO4 (Subject of Investigation/LOI)	C [auth B], E [auth A]	VANADATE ION O4 V LSGOVYNHVSXFFJ-UHFFFAOYSA-N
CL	D [auth B]	CHLORIDE ION Cl VEXZGXHMUGYJMC-UHFFFAOYSA-M

Experimental Data & Validation

Experimental Data

• Method: X-RAY DIFFRACTION
• Resolution: 2.40 Å
• R-Value Free:  0.247 (Depositor), 0.247 (DCC) 
• R-Value Work:  0.190 (Depositor), 0.192 (DCC) 
• R-Value Observed: 0.193 (Depositor) 

Space Group: P 2₁ 2₁ 2₁

Unit Cell:

Length ( Å )	Angle ( ˚ )
a = 87.886	α = 90
b = 94.033	β = 90
c = 126.029	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: 2025-12-31 
Deposition Author(s): Wu, L., Fang, S.Q., Nie, Q.Y., Tang, G.L.

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Funding Organization	Location	Grant Number
Not funded		--

Revision History  

• Version 1.0: 2025-12-31
  Type: Initial release