9WP6 | pdb_00009wp6

The cryo-EM structure of Zea mays GLN1

• PDB DOI: https://doi.org/10.2210/pdb9WP6/pdb
• EM Map EMD-66135: EMDB EMDataResource

• Classification: PLANT PROTEIN
• Organism(s): Zea mays
• Expression System: Escherichia coli
• Mutation(s): No 


• Deposited: 2025-09-08 Released: 2026-04-29 
• Deposition Author(s): Cheng, Y.Q., Wu, X.X., Zhang, Y., Huang, Y.C.
• Funding Organization(s): Chinese Academy of Sciences

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Experimental Data Snapshot

• Method: ELECTRON MICROSCOPY
• Resolution: 1.98 Å
• Aggregation State: PARTICLE 
• Reconstruction Method: SINGLE PARTICLE 

Literature

Plastoglobules compartmentalize nitrogen assimilation in maize

Chen, D., Gao, L., Li, S., Cheng, Y., Wu, X., Li, W., Zhang, J., Fu, X., Xiang, P., Sun, L., Chen, Z., Zhang, H., Li, Y., Luo, S., You, C., Sun, L., Huang, X., Zhu, Y., Zeng, X., Wang, W., He, Y., Wang, H., Zhang, Y., Chen, X., Wu, Y., Huang, Y.

(2026) Nature 

• DOI: https://doi.org/10.1038/s41586-026-10610-8

Biological Assembly 1  

Global Symmetry: Dihedral - D5  (Explore in 3D)
Global Stoichiometry: Homo 10-mer - A10 

Biological assembly 1 assigned by authors.

Biological Assembly Evidence: electron microscopy

Macromolecule Content 

• Total Structure Weight: 460.83 kDa 
• Atom Count: 29,350 
• Modeled Residue Count: 3,891 
• Deposited Residue Count: 4,230 
• Unique protein chains: 1

Macromolecules

Entity ID: 1
Molecule	Chains	Sequence Length	Organism	Details	Image
Glutamine synthetase	A, B, C, D, E, F, G, H, I, J	423	Zea mays	Mutation(s): 0  Gene Names: ZEAMMB73_Zm00001d026501 EC: 6.3.1.2
UniProt
Find proteins for A0A1D6JGF2 (Zea mays) Explore A0A1D6JGF2  Go to UniProtKB:  A0A1D6JGF2

Experimental Data & Validation

Experimental Data

• Method: ELECTRON MICROSCOPY
• Resolution: 1.98 Å
• Aggregation State: PARTICLE 
• Reconstruction Method: SINGLE PARTICLE 

EM Software:

Task	Software Package	Version
MODEL REFINEMENT	PHENIX	1.16_3549
RECONSTRUCTION	cryoSPARC

Structure Validation

Entry History 

& Funding Information

Deposition Data

• Released Date: 2026-04-29 
Deposition Author(s): Cheng, Y.Q., Wu, X.X., Zhang, Y., Huang, Y.C.

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Funding Organization	Location	Grant Number
Chinese Academy of Sciences	China	XDB1120102

Revision History  

• Version 1.0: 2026-04-29
  Type: Initial release
  
• Version 1.1: 2026-06-17
  Changes: Data collection, Database references