5UR4

1.5 A Crystal structure of PYR1 bound to Pyrabactin

• PDB DOI: https://doi.org/10.2210/pdb5UR4/pdb

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


• Deposited: 2017-02-09 Released: 2018-01-24 
• Deposition Author(s): Peterson, F.C., Jensen, D.R., Volkman, B.F., Cutler, S.R.
• Funding Organization(s): National Science Foundation (NSF, United States)

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Experimental Data Snapshot

• Method: X-RAY DIFFRACTION
• Resolution: 1.52 Å
• R-Value Free: 0.187 
• R-Value Work: 0.166 
• R-Value Observed: 0.167 

Literature

1.5 A Crystal structure of PYR1 bound to Pyrabactin

Peterson, F.C., Cutler, S.R.

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.

Biological Assembly 2  

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

Biological assembly 2 generated by PISA (software)

Macromolecule Content

• Total Structure Weight: 21.57 kDa 
• Atom Count: 1,709 
• Modelled Residue Count: 172 
• Deposited Residue Count: 181 
• Unique protein chains: 1

Macromolecules

Entity ID: 1
Molecule	Chains	Sequence Length	Organism	Details	Image
Abscisic acid receptor PYR1	A	181	Arabidopsis thaliana	Mutation(s): 0  Gene Names: PYR1, ABIP6, RCAR11, At4g17870, T6K21.50
UniProt
Find proteins for O49686 (Arabidopsis thaliana) Explore O49686  Go to UniProtKB:  O49686

Small Molecules

Ligands 2 Unique
ID	Chains	Name / Formula / InChI Key	2D Diagram
PYV	B [auth A]	4-bromo-N-(pyridin-2-ylmethyl)naphthalene-1-sulfonamide C16 H13 Br N2 O2 S GJSDYQXOSHKOGX-UHFFFAOYSA-N
GOL	C [auth A], D [auth A], E [auth A], F [auth A], G [auth A]	GLYCEROL C3 H8 O3 PEDCQBHIVMGVHV-UHFFFAOYSA-N

Experimental Data & Validation

Experimental Data

• Method: X-RAY DIFFRACTION
• Resolution: 1.52 Å
• R-Value Free: 0.187 
• R-Value Work: 0.166 
• R-Value Observed: 0.167 
• Space Group: P 6₄ 2 2

Unit Cell:

Length ( Å )	Angle ( ˚ )
a = 98.427	α = 90
b = 98.427	β = 90
c = 71.467	γ = 120

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: 2018-01-24 
Deposition Author(s): Peterson, F.C., Jensen, D.R., Volkman, B.F., Cutler, S.R.

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Funding Organization	Location	Grant Number
National Science Foundation (NSF, United States)	United States	1258175

Revision History  

• Version 1.0: 2018-01-24
  Type: Initial release
  
• Version 1.1: 2019-11-27
  Changes: Author supporting evidence
• Version 1.2: 2023-10-04
  Changes: Data collection, Database references, Refinement description