9M80 | pdb_00009m80

cryo-EM structure of maltose and glucose bound rice PHS1(R709A)-DPE1(D391A) complex

• PDB DOI: https://doi.org/10.2210/pdb9M80/pdb
• EM Map EMD-63699: EMDB EMDataResource

• Classification: TRANSFERASE
• Organism(s): Oryza sativa Japonica Group
• Expression System: Escherichia coli BL21(DE3)
• Mutation(s): Yes 


• Deposited: 2025-03-11 Released: 2026-04-22 
• Deposition Author(s): Liu, J., Yan, J.
• Funding Organization(s): National Natural Science Foundation of China (NSFC)

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Experimental Data Snapshot

• Method: ELECTRON MICROSCOPY
• Resolution: 3.07 Å
• Aggregation State: PARTICLE 
• Reconstruction Method: SINGLE PARTICLE 

Literature

cryo-EM structure of maltose and glucose bound rice PHS1(R709A)-DPE1(D391A) complex

Liu, J., Yan, J.

To be published.

Biological Assembly 1  

Global Symmetry: Asymmetric - C1 
Global Stoichiometry: Hetero 4-mer - A2B2 

Local Symmetry: Cyclic - C2  (Explore in 3D)
Local Stoichiometry: Homo 2-mer - A2 Local Symmetry: Cyclic - C2  (Explore in 3D)
Local Stoichiometry: Homo 2-mer - B2 

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

Biological Assembly Evidence: electron microscopy

Macromolecule Content 

• Total Structure Weight: 351.58 kDa 
• Atom Count: 21,667 
• Modeled Residue Count: 2,720 
• Deposited Residue Count: 3,144 
• Unique protein chains: 2

Macromolecules

Entity ID: 1
Molecule	Chains	Sequence Length	Organism	Details	Image
4-alpha-glucanotransferase DPE1, chloroplastic/amyloplastic	A [auth C], B [auth D]	594	Oryza sativa Japonica Group	Mutation(s): 1  Gene Names: DPE1, Os07g0627000, LOC_Os07g43390, OJ1339_F05.134, P0506F02.102 EC: 2.4.1.25
UniProt
Find proteins for Q8LI30 (Oryza sativa subsp. japonica) Explore Q8LI30  Go to UniProtKB:  Q8LI30

Entity ID: 2
Molecule	Chains	Sequence Length	Organism	Details	Image
Alpha-1,4 glucan phosphorylase	C [auth A], D [auth B]	978	Oryza sativa Japonica Group	Mutation(s): 1  Gene Names: pho1 EC: 2.4.1.1
UniProt
Find proteins for B3IYE3 (Oryza sativa subsp. japonica) Explore B3IYE3  Go to UniProtKB:  B3IYE3

Oligosaccharides

Help  

Entity ID: 3
Molecule	Chains	Length	2D Diagram	Glycosylation	D Interactions
alpha-D-glucopyranose-(1-4)-alpha-D-glucopyranose	E	2		N/A
Glycosylation Resources
GlyTouCan: G07411ON GlyCosmos: G07411ON

Small Molecules

Ligands 1 Unique
ID	Chains	Name / Formula / InChI Key	2D Diagram
GLC (Subject of Investigation/LOI)	F [auth D]	alpha-D-glucopyranose C6 H12 O6 WQZGKKKJIJFFOK-DVKNGEFBSA-N

Biologically Interesting Molecules (External Reference) 

1 Unique

Entity ID: 3
ID	Chains	Name	Type/Class	2D Diagram	3D Interactions
PRD_900001	E	alpha-maltose	Oligosaccharide / Nutrient

Experimental Data & Validation

Experimental Data

• Method: ELECTRON MICROSCOPY
• Resolution: 3.07 Å
• Aggregation State: PARTICLE 
• Reconstruction Method: SINGLE PARTICLE 

EM Software:

Task	Software Package	Version
RECONSTRUCTION	cryoSPARC	4.6.0
MODEL REFINEMENT	PHENIX	1.21.2

Structure Validation

Entry History 

& Funding Information

Deposition Data

• Released Date: 2026-04-22 
Deposition Author(s): Liu, J., Yan, J.

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Funding Organization	Location	Grant Number
National Natural Science Foundation of China (NSFC)	China	32400216
National Natural Science Foundation of China (NSFC)	China	32270255

Revision History  

• Version 1.0: 2026-04-22
  Type: Initial release