9RSV | pdb_00009rsv

Complex of rice blast (Magnaporthe oryzae) effector protein AVR-Pia with the HMA domain of OsHPP09 from rice (Oryza sativa)

• PDB DOI: https://doi.org/10.2210/pdb9RSV/pdb

• Classification: PLANT PROTEIN
• Organism(s): Oryza sativa, Pyricularia oryzae
• Expression System: Escherichia coli BL21(DE3), Escherichia coli
• Mutation(s): No 


• Deposited: 2025-07-01 Released: 2025-08-27 
• Deposition Author(s): Maidment, J.H.R., Bocquet, A., Gelin, M., De Guillen, K., Cesari, S.
• Funding Organization(s): European Research Council (ERC)

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Experimental Data Snapshot

• Method: X-RAY DIFFRACTION
• Resolution: 1.65 Å
• R-Value Free: 
  0.202 (Depositor), 0.201 (DCC) 
• R-Value Work: 
  0.176 (Depositor), 0.175 (DCC) 

Starting Models: in silico, experimental

Literature

The Magnaporthe oryzae MAX effector AVR-Pia binds a novel group of rice HMA domain-containing proteins

Maidment, J.H., Saile, S.C., Bocquet, A., Thivolle, C., Bourcet, L., Planel, L.F., Gelin, M., Kroj, T., Padilla, A., de Guillen, K., Cesari, S.

(2025) bioRxiv 

• DOI: https://doi.org/10.1101/2025.07.11.664054

Biological Assembly 1  

Global Symmetry: Asymmetric - C1 
Global Stoichiometry: Hetero 2-mer - A1B1 

Biological assembly 1 assigned by authors and generated by PISA (software)

Biological Assembly Evidence: gel filtration, isothermal titration calorimetry

Macromolecule Content 

• Total Structure Weight: 16.06 kDa 
• Atom Count: 1,257 
• Modeled Residue Count: 136 
• Deposited Residue Count: 145 
• Unique protein chains: 2

Macromolecules

Entity ID: 1
Molecule	Chains	Sequence Length	Organism	Details	Image
Os03g0111400 protein	A	75	Oryza sativa	Mutation(s): 0  Gene Names: Os03g0111400, OSNPB_030111400
UniProt
Find proteins for A3ADD6 (Oryza sativa subsp. japonica) Explore A3ADD6  Go to UniProtKB:  A3ADD6

Entity ID: 2
Molecule	Chains	Sequence Length	Organism	Details	Image
AVR-Pia protein	B	70	Pyricularia oryzae	Mutation(s): 0  Gene Names: AVR-Pia
UniProt
Find proteins for B9WZW9 (Pyricularia oryzae) Explore B9WZW9  Go to UniProtKB:  B9WZW9

Small Molecules

Ligands 1 Unique
ID	Chains	Name / Formula / InChI Key	2D Diagram
SO4	C [auth B], D [auth B]	SULFATE ION O4 S QAOWNCQODCNURD-UHFFFAOYSA-L

Experimental Data & Validation

Experimental Data

• Method: X-RAY DIFFRACTION
• Resolution: 1.65 Å
• R-Value Free:  0.202 (Depositor), 0.201 (DCC) 
• R-Value Work:  0.176 (Depositor), 0.175 (DCC) 

Diffraction Data: https://doi.org/10.15151/ESRF-DC-2199982133

Space Group: P 6₁ 2 2

Unit Cell:

Length ( Å )	Angle ( ˚ )
a = 93.665	α = 90
b = 93.665	β = 90
c = 72.873	γ = 120

Software Package:

Software Name	Purpose
EDNA	data collection
XDS	data reduction
PHASER	phasing
Aimless	data scaling
REFMAC	refinement

Structure Validation

Entry History & Funding Information

Deposition Data

• Released Date: 2025-08-27 
Deposition Author(s): Maidment, J.H.R., Bocquet, A., Gelin, M., De Guillen, K., Cesari, S.

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Funding Organization	Location	Grant Number
European Research Council (ERC)	European Union	ERC-2019-STG-852482-ii-MAX

Revision History  

• Version 1.0: 2025-08-27
  Type: Initial release