7VC8

Complex structure of AtHPPD with inhibitor PYQ3

• PDB DOI: https://doi.org/10.2210/pdb7VC8/pdb

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


• Deposited: 2021-09-01 Released: 2022-09-07 
• Deposition Author(s): Yang, G.F., Lin, H.Y.
• Funding Organization(s): National Natural Science Foundation of China (NSFC)

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Experimental Data Snapshot

• Method: X-RAY DIFFRACTION
• Resolution: 1.61 Å
• R-Value Free: 0.195 
• R-Value Work: 0.175 
• R-Value Observed: 0.176 

Literature

Design of an HPPD fluorescent probe and visualization of plant responses to abiotic stress

Zeng, X., Huang, Y., Dong, J., Ma, X., Nan, J.X., Chen, W., Lin, H.Y., Yang, W.C., Liu, X., Yin, J., Yang, G.F.

(2022) Adv Agrochem 

• DOI: https://doi.org/10.1016/j.aac.2022.08.001

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: 46.6 kDa 
• Atom Count: 3,203 
• Modelled Residue Count: 383 
• 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
6I1	C [auth A]	pyren-1-yl 2-[1,5-dimethyl-2,4-bis(oxidanylidene)-6-(2-oxidanyl-6-oxidanylidene-cyclohexen-1-yl)carbonyl-quinazolin-3-yl]ethanoate C35 H26 N2 O7 SFJMSYJSOPJDJE-UHFFFAOYSA-N
CO	B [auth A]	COBALT (II) ION Co XLJKHNWPARRRJB-UHFFFAOYSA-N

Experimental Data & Validation

Experimental Data

• Method: X-RAY DIFFRACTION
• Resolution: 1.61 Å
• R-Value Free: 0.195 
• R-Value Work: 0.175 
• R-Value Observed: 0.176 
• Space Group: C 1 2 1

Unit Cell:

Length ( Å )	Angle ( ˚ )
a = 76.803	α = 90
b = 83.565	β = 101.33
c = 62.117	γ = 90

Software Package:

Software Name	Purpose
PHENIX	refinement
HKL-2000	data reduction
HKL-2000	data scaling
PHASER	phasing

Structure Validation

Entry History & Funding Information

Deposition Data

• Released Date: 2022-09-07 
Deposition Author(s): Yang, G.F., Lin, H.Y.

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

Revision History  

• Version 1.0: 2022-09-07
  Type: Initial release
  
• Version 1.1: 2022-09-21
  Changes: Data collection, Database references
• Version 1.2: 2023-11-29
  Changes: Data collection, Database references, Refinement description