9KTQ | pdb_00009ktq

Crystal structure of the pathogen-secreted apoplastic GH12 xyloglucan-specific endoglucanase XEG1

• PDB DOI: https://doi.org/10.2210/pdb9KTQ/pdb

• Classification: HYDROLASE
• Organism(s): Phytophthora sojae strain P6497
• Expression System: Komagataella pastoris
• Mutation(s): No 


• Deposited: 2024-12-02 Released: 2025-12-10 
• Deposition Author(s): Xia, Y.Q., Liu, L., Zhang, Q., Shi, X.C., Wang, Z.K., Zhang, Z.C., He, X.Y., Xiao, J.H., Jiang, H.B., Zhang, S.C., Yang, Y.H., Ye, W.W., Wang, Z.Y., Wang, Y., Ma, Z.C., Yang, Q., Wang, Y.C.
• Funding Organization(s): National Natural Science Foundation of China (NSFC)

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Experimental Data Snapshot

• Method: X-RAY DIFFRACTION
• Resolution: 2.07 Å
• R-Value Free: 
  0.210 (Depositor), 0.211 (DCC) 
• R-Value Work: 
  0.190 (Depositor), 0.190 (DCC) 
• R-Value Observed: 
  0.192 (Depositor) 

Starting Model: experimental

Literature

A nature product XSMl directly targets xyloglucanases to inhibit filamentous pathogen infection

Xia, Y.Q., Liu, L., Zhang, Q., Shi, X.C., Wang, Z.K., Zhang, Z.C., He, X.Y., Xiao, J.H., Jiang, H.B., Zhang, S.C., Yang, Y.H., Ye, W.W., Wang, Z.Y., Wang, Y., Ma, Z.C., Yang, Q., Wang, Y.C.

To be published.

Biological Assembly 1  

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

Biological assembly 1 assigned by authors.

Biological Assembly Evidence: assay for oligomerization

Macromolecule Content 

• Total Structure Weight: 25.77 kDa 
• Atom Count: 2,075 
• Modeled Residue Count: 229 
• Deposited Residue Count: 238 
• Unique protein chains: 1

Macromolecules

Entity ID: 1
Molecule	Chains	Sequence Length	Organism	Details	Image
Xyloglucan-specific endo-beta-1,4-glucanase 1	A	238	Phytophthora sojae strain P6497	Mutation(s): 0  Gene Names: XEG1, PHYSODRAFT_559651 EC: 3.2.1.151
UniProt
Find proteins for G4ZHR2 (Phytophthora sojae (strain P6497)) Explore G4ZHR2  Go to UniProtKB:  G4ZHR2

Experimental Data & Validation

Experimental Data

• Method: X-RAY DIFFRACTION
• Resolution: 2.07 Å
• R-Value Free:  0.210 (Depositor), 0.211 (DCC) 
• R-Value Work:  0.190 (Depositor), 0.190 (DCC) 
• R-Value Observed: 0.192 (Depositor) 

Space Group: I 2 3

Unit Cell:

Length ( Å )	Angle ( ˚ )
a = 140.283	α = 90
b = 140.283	β = 90
c = 140.283	γ = 90

Software Package:

Software Name	Purpose
PHENIX	refinement
PHENIX	refinement
autoPROC	data reduction
Aimless	data scaling
PHASER	phasing

Structure Validation

Entry History 

& Funding Information

Deposition Data

• Released Date: 2025-12-10 
Deposition Author(s): Xia, Y.Q., Liu, L., Zhang, Q., Shi, X.C., Wang, Z.K., Zhang, Z.C., He, X.Y., Xiao, J.H., Jiang, H.B., Zhang, S.C., Yang, Y.H., Ye, W.W., Wang, Z.Y., Wang, Y., Ma, Z.C., Yang, Q., Wang, Y.C.

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Funding Organization	Location	Grant Number
National Natural Science Foundation of China (NSFC)	China	31721004

Revision History  

• Version 1.0: 2025-12-10
  Type: Initial release