8XUG | pdb_00008xug

Crystal structure of AtHPPD-YH21831 complex

• PDB DOI: https://doi.org/10.2210/pdb8XUG/pdb

• Classification: OXIDOREDUCTASE
• Organism(s): Arabidopsis thaliana
• Expression System: Escherichia coli
• Mutation(s): No 


• Deposited: 2024-01-12 Released: 2025-01-15 
• Deposition Author(s): Dong, J., Lin, H.-Y., Yang, G.-F.
• Funding Organization(s): National Natural Science Foundation of China (NSFC)

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Experimental Data Snapshot

• Method: X-RAY DIFFRACTION
• Resolution: 1.89 Å
• R-Value Free: 
  0.249 (Depositor), 0.251 (DCC) 
• R-Value Work: 
  0.219 (Depositor), 0.219 (DCC) 
• R-Value Observed: 
  0.221 (Depositor) 

Starting Model: experimental

Literature

Crystal structure of AtHPPD-YH21831 complex

Dong, J., Lin, H.-Y., Yang, G.-F.

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)

Macromolecule Content 

• Total Structure Weight: 46.45 kDa 
• Atom Count: 3,008 
• Modeled Residue Count: 381 
• Deposited Residue Count: 417 
• Unique protein chains: 1

Macromolecules

Entity ID: 1
Molecule	Chains	Sequence Length	Organism	Details	Image
4-hydroxyphenylpyruvate dioxygenase	A	417	Arabidopsis thaliana	Mutation(s): 0  Gene Names: HPD, PDS1, At1g06570, F12K11.9 EC: 1.13.11.27
UniProt
Find proteins for P93836 (Arabidopsis thaliana) Explore P93836  Go to UniProtKB:  P93836

Small Molecules

Ligands 2 Unique
ID	Chains	Name / Formula / InChI Key	2D Diagram
A1LW7	C [auth A]	1-methyl-6-nitro-7-(2-oxidanyl-6-oxidanylidene-cyclohexen-1-yl)carbonyl-3-[2,2,2-tris(fluoranyl)ethyl]quinazoline-2,4-dione C18 H14 F3 N3 O7 ZFGHZLLDLQYOBM-UHFFFAOYSA-N
CO	B [auth A]	COBALT (II) ION Co XLJKHNWPARRRJB-UHFFFAOYSA-N

Experimental Data & Validation

Experimental Data

• Method: X-RAY DIFFRACTION
• Resolution: 1.89 Å
• R-Value Free:  0.249 (Depositor), 0.251 (DCC) 
• R-Value Work:  0.219 (Depositor), 0.219 (DCC) 
• R-Value Observed: 0.221 (Depositor) 

Space Group: C 1 2 1

Unit Cell:

Length ( Å )	Angle ( ˚ )
a = 77.602	α = 90
b = 84.076	β = 100.43
c = 64.749	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: 2025-01-15 
Deposition Author(s): Dong, J., Lin, H.-Y., Yang, G.-F.

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

Revision History  

• Version 1.0: 2025-01-15
  Type: Initial release