8XSN | pdb_00008xsn

transporter

• PDB DOI: https://doi.org/10.2210/pdb8XSN/pdb
• EM Map EMD-38623: EMDB EMDataResource

• Classification: TRANSPORT PROTEIN
• Organism(s): Homo sapiens
• Expression System: Homo sapiens
• Mutation(s): No 
• Membrane Protein: Yes  MemProtMD


• Deposited: 2024-01-09 Released: 2025-07-16 
• Deposition Author(s): Jiang, D.H., Wang, K.
• Funding Organization(s): National Natural Science Foundation of China (NSFC)

---

Experimental Data Snapshot

• Method: ELECTRON MICROSCOPY
• Resolution: 3.29 Å
• Aggregation State: PARTICLE 
• Reconstruction Method: SINGLE PARTICLE 

Literature

Structure of transporter

Jiang, D.H., Wang, K.

To be published.

Biological Assembly 1  

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

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

Biological Assembly Evidence: electron microscopy

Macromolecule Content 

• Total Structure Weight: 51.21 kDa 
• Atom Count: 2,703 
• Modeled Residue Count: 357 
• Deposited Residue Count: 469 
• Unique protein chains: 1

Macromolecules

Entity ID: 1
Molecule	Chains	Sequence Length	Organism	Details	Image
Solute carrier family 52, riboflavin transporter, member 3	A	469	Homo sapiens	Mutation(s): 0  Gene Names: SLC52A3, C20orf54, RFT2, RFVT3 Membrane Entity: Yes
UniProt & NIH Common Fund Data Resources
Find proteins for Q9NQ40 (Homo sapiens) Explore Q9NQ40  Go to UniProtKB:  Q9NQ40
PHAROS:  Q9NQ40 GTEx:  ENSG00000101276

Small Molecules

Ligands 1 Unique
ID	Chains	Name / Formula / InChI Key	2D Diagram
RBF (Subject of Investigation/LOI)	B [auth A]	RIBOFLAVIN C17 H20 N4 O6 AUNGANRZJHBGPY-SCRDCRAPSA-N

Experimental Data & Validation

Experimental Data

• Method: ELECTRON MICROSCOPY
• Resolution: 3.29 Å
• Aggregation State: PARTICLE 
• Reconstruction Method: SINGLE PARTICLE 

EM Software:

Task	Software Package	Version
MODEL REFINEMENT	PHENIX

Structure Validation

Entry History & Funding Information

Deposition Data

• Released Date: 2025-07-16 
Deposition Author(s): Jiang, D.H., Wang, K.

---

Funding Organization	Location	Grant Number
National Natural Science Foundation of China (NSFC)	China	31971134

Revision History  

• Version 1.0: 2025-07-16
  Type: Initial release