7PLQ

Crystal structure of the PARP domain of wheat SRO1

• PDB DOI: https://doi.org/10.2210/pdb7PLQ/pdb

• Classification: PLANT PROTEIN
• Organism(s): Triticum aestivum
• Expression System: Escherichia coli
• Mutation(s): No 


• Deposited: 2021-09-01 Released: 2021-10-27 
• Deposition Author(s): Wirthmueller, L., Loll, B.
• Funding Organization(s): German Research Foundation (DFG)

---

Experimental Data Snapshot

• Method: X-RAY DIFFRACTION
• Resolution: 2.13 Å
• R-Value Free: 0.266 
• R-Value Work: 0.214 
• R-Value Observed: 0.217 

Literature

The superior salinity tolerance of bread wheat cultivar Shanrong No. 3 is unlikely to be caused by elevated Ta-sro1 poly-(ADP-ribose) polymerase activity.

Vogt, S., Feijs, K., Hosch, S., De Masi, R., Lintermann, R., Loll, B., Wirthmueller, L.

(2022) Plant Cell 34: 4130-4137

• PubMed: 35980152 
• DOI: https://doi.org/10.1093/plcell/koac261
• Primary Citation of Related Structures:  
  7PLQ


• PubMed Abstract: 
  

  Structural and biochemical analyses demonstrate that the elevated salinity tolerance of bread wheat cultivar Shanrong No. 3 is unlikely to be caused by elevated Ta-sro1 poly(ADP-ribose) polymerase activity.

---

Organizational Affiliation: 

Department Biochemistry of Plant Interactions, Leibniz Institute of Plant Biochemistry, Halle (Saale), 06120, Germany.

Biological Assembly 1  

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

Biological assembly 1 assigned by authors.

Biological Assembly Evidence: gel filtration

Biological Assembly 2  

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

Biological assembly 2 assigned by authors.

Macromolecule Content

• Total Structure Weight: 44.45 kDa 
• Atom Count: 3,000 
• Modelled Residue Count: 361 
• Deposited Residue Count: 382 
• Unique protein chains: 1

Macromolecules

Entity ID: 1
Molecule	Chains	Sequence Length	Organism	Details	Image
SIMILAR TO RCD1 (SRO1)	A, B	191	Triticum aestivum	Mutation(s): 0
UniProt
Find proteins for A0A3B6LXD6 (Triticum aestivum) Explore A0A3B6LXD6  Go to UniProtKB:  A0A3B6LXD6

Small Molecules

Ligands 4 Unique
ID	Chains	Name / Formula / InChI Key	2D Diagram
P4G	E [auth B]	1-ETHOXY-2-(2-ETHOXYETHOXY)ETHANE C8 H18 O3 RRQYJINTUHWNHW-UHFFFAOYSA-N
SO4	C [auth A], H [auth B]	SULFATE ION O4 S QAOWNCQODCNURD-UHFFFAOYSA-L
GOL	D [auth A]	GLYCEROL C3 H8 O3 PEDCQBHIVMGVHV-UHFFFAOYSA-N
EDO	F [auth B], G [auth B]	1,2-ETHANEDIOL C2 H6 O2 LYCAIKOWRPUZTN-UHFFFAOYSA-N

Modified Residues  1 Unique
ID	Chains	Type	Formula	2D Diagram	Parent
MSE	A, B	L-PEPTIDE LINKING	C5 H11 N O2 Se		MET

Experimental Data & Validation

Experimental Data

• Method: X-RAY DIFFRACTION
• Resolution: 2.13 Å
• R-Value Free: 0.266 
• R-Value Work: 0.214 
• R-Value Observed: 0.217 
• Space Group: C 1 2 1
• Diffraction Data: https://doi.org/10.18430/M37PLQ

Unit Cell:

Length ( Å )	Angle ( ˚ )
a = 78.513	α = 90
b = 34.373	β = 101.22
c = 132.581	γ = 90

Software Package:

Software Name	Purpose
XDS	data reduction
XSCALE	data scaling
SOLVE	phasing
PHENIX	refinement
PDB_EXTRACT	data extraction

Structure Validation

Entry History & Funding Information

Deposition Data

• Released Date: 2021-10-27 
Deposition Author(s): Wirthmueller, L., Loll, B.

---

Funding Organization	Location	Grant Number
German Research Foundation (DFG)	Germany	WI 3670/2-1

Revision History  

• Version 1.0: 2021-10-27
  Type: Initial release
  
• Version 1.1: 2022-08-31
  Changes: Database references
• Version 1.2: 2022-11-09
  Changes: Database references