9M8Y | pdb_00009m8y

Cryo-EM structure of human OAT1 in complex with cefazolin

• PDB DOI: https://doi.org/10.2210/pdb9M8Y/pdb
• EM Map EMD-63724: EMDB EMDataResource

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


• Deposited: 2025-03-13 Released: 2025-06-18 
• Deposition Author(s): Zhang, W., Zhang, Y.
• Funding Organization(s): National Natural Science Foundation of China (NSFC)

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Experimental Data Snapshot

• Method: ELECTRON MICROSCOPY
• Resolution: 3.27 Å
• Aggregation State: PARTICLE 
• Reconstruction Method: SINGLE PARTICLE 

Literature

Cryo-EM structure of human OAT1 in complex with cefazolin

Zhang, W., Zhang, Y.

To be published.

Biological Assembly 1  

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

Biological assembly 1 assigned by authors.

Biological Assembly Evidence: electron microscopy

Macromolecule Content 

• Total Structure Weight: 57.58 kDa 
• Atom Count: 3,666 
• Modeled Residue Count: 490 
• Deposited Residue Count: 522 
• Unique protein chains: 1

Macromolecules

Entity ID: 1
Molecule	Chains	Sequence Length	Organism	Details	Image
Isoform 2 of Solute carrier family 22 member 6	A	522	Homo sapiens	Mutation(s): 0  Gene Names: SLC22A6, OAT1, PAHT Membrane Entity: Yes
UniProt & NIH Common Fund Data Resources
Find proteins for Q4U2R8 (Homo sapiens) Explore Q4U2R8  Go to UniProtKB:  Q4U2R8
PHAROS:  Q4U2R8 GTEx:  ENSG00000197901

Small Molecules

Ligands 1 Unique
ID	Chains	Name / Formula / InChI Key	2D Diagram
X56	B [auth A]	Cefazolin C14 H14 N8 O4 S3 MLYYVTUWGNIJIB-BXKDBHETSA-N

Experimental Data & Validation

Experimental Data

• Method: ELECTRON MICROSCOPY
• Resolution: 3.27 Å
• Aggregation State: PARTICLE 
• Reconstruction Method: SINGLE PARTICLE 

Structure Validation

Entry History & Funding Information

Deposition Data

• Released Date: 2025-06-18 
Deposition Author(s): Zhang, W., Zhang, Y.

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

Revision History  

• Version 1.0: 2025-06-18
  Type: Initial release