9UCM | pdb_00009ucm

Cryo-EM structure of the human G6P transporter SLC37A2 in the apo state with a symmetric ER luminal-open conformation.

• PDB DOI: https://doi.org/10.2210/pdb9UCM/pdb
• EM Map EMD-64048: EMDB EMDataResource

• Classification: MEMBRANE PROTEIN
• Organism(s): Homo sapiens
• Expression System: Homo sapiens
• Mutation(s): No 


• Deposited: 2025-04-04 Released: 2025-11-05 
• Deposition Author(s): Sun, L., Liu, X., Lai, Q.
• Funding Organization(s): National Natural Science Foundation of China (NSFC)

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Experimental Data Snapshot

• Method: ELECTRON MICROSCOPY
• Resolution: 3.20 Å
• Aggregation State: PARTICLE 
• Reconstruction Method: SINGLE PARTICLE 

Literature

Cryo-EM structure of the human G6P transporter SLC37A2 in the apo state with a symmetric ER luminal-open conformation.

Sun, L., Liu, X., Lai, Q.

To be published.

Biological Assembly 1  

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

Biological assembly 1 assigned by authors.

Biological Assembly Evidence: electron microscopy

Macromolecule Content 

• Total Structure Weight: 108.95 kDa 
• Atom Count: 7,142 
• Modeled Residue Count: 930 
• Deposited Residue Count: 1,002 
• Unique protein chains: 1

Macromolecules

Entity ID: 1
Molecule	Chains	Sequence Length	Organism	Details	Image
Glucose-6-phosphate exchanger SLC37A2	A, B	501	Homo sapiens	Mutation(s): 0  Gene Names: SLC37A2
UniProt & NIH Common Fund Data Resources
Find proteins for Q8TED4 (Homo sapiens) Explore Q8TED4  Go to UniProtKB:  Q8TED4
PHAROS:  Q8TED4 GTEx:  ENSG00000134955

Experimental Data & Validation

Experimental Data

• Method: ELECTRON MICROSCOPY
• Resolution: 3.20 Å
• Aggregation State: PARTICLE 
• Reconstruction Method: SINGLE PARTICLE 

EM Software:

Task	Software Package	Version
MODEL REFINEMENT	PHENIX	1.13_2998:
RECONSTRUCTION	cryoSPARC	v4.2.1

Structure Validation

Entry History & Funding Information

Deposition Data

• Released Date: 2025-11-05 
Deposition Author(s): Sun, L., Liu, X., Lai, Q.

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Funding Organization	Location	Grant Number
National Natural Science Foundation of China (NSFC)	China	32471279
National Natural Science Foundation of China (NSFC)	China	32322041
National Natural Science Foundation of China (NSFC)	China	32321001
National Natural Science Foundation of China (NSFC)	China	W2412029

Revision History  

• Version 1.0: 2025-11-05
  Type: Initial release