6WCS

Crystal structure of Arabidopsis thaliana isochorismoyl-glutamate A pyruvoyl-glutamate lyase in complex with tartrate

• PDB DOI: https://doi.org/10.2210/pdb6WCS/pdb

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


• Deposited: 2020-03-31 Released: 2021-08-04 
• Deposition Author(s): Torrens-Spence, M.P., Weng, J.K.
• Funding Organization(s): National Science Foundation (NSF, United States)

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Experimental Data Snapshot

• Method: X-RAY DIFFRACTION
• Resolution: 1.87 Å
• R-Value Free: 0.226 
• R-Value Work: 0.203 
• R-Value Observed: 0.204 

Starting Model: experimental

Literature

The structural basis of the isochorismoyl-glutamate pyruvoyl-glutamate lyase activity of Arabidopsis EPS1 in salicylic acid biosynthesis

Torrens-Spence, M.P., Weng, J.K.

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 Evidence: gel filtration

Macromolecule Content

• Total Structure Weight: 98.21 kDa 
• Atom Count: 7,090 
• Modelled Residue Count: 859 
• Deposited Residue Count: 876 
• Unique protein chains: 1

Macromolecules

Entity ID: 1
Molecule	Chains	Sequence Length	Organism	Details	Image
Protein ENHANCED PSEUDOMONAS SUSCEPTIBILITY 1	A, B	438	Arabidopsis thaliana	Mutation(s): 0  Gene Names: EPS1, At5g67160, K21H1.12 EC: 2.3.1
UniProt
Find proteins for Q9FH97 (Arabidopsis thaliana) Explore Q9FH97  Go to UniProtKB:  Q9FH97

Small Molecules

Ligands 1 Unique
ID	Chains	Name / Formula / InChI Key	2D Diagram
TLA	C [auth A]	L(+)-TARTARIC ACID C4 H6 O6 FEWJPZIEWOKRBE-JCYAYHJZSA-N

Experimental Data & Validation

Experimental Data

• Method: X-RAY DIFFRACTION
• Resolution: 1.87 Å
• R-Value Free: 0.226 
• R-Value Work: 0.203 
• R-Value Observed: 0.204 
• Space Group: P 2₁ 2₁ 2₁

Unit Cell:

Length ( Å )	Angle ( ˚ )
a = 53.352	α = 90
b = 79.432	β = 90
c = 194.214	γ = 90

Software Package:

Software Name	Purpose
PHENIX	refinement
XDS	data reduction
Aimless	data scaling
PHASER	phasing
PDB_EXTRACT	data extraction

Structure Validation

Entry History & Funding Information

Deposition Data

• Released Date: 2021-08-04 
Deposition Author(s): Torrens-Spence, M.P., Weng, J.K.

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Funding Organization	Location	Grant Number
National Science Foundation (NSF, United States)	United States	CHE-1709616

Revision History  

• Version 1.0: 2021-08-04
  Type: Initial release
  
• Version 1.1: 2023-10-18
  Changes: Data collection, Database references, Refinement description