9AY0 | pdb_00009ay0

Cryo-EM structure of GSSG-bound Ycf1

• PDB DOI: https://doi.org/10.2210/pdb9AY0/pdb
• EM Map EMD-43979: EMDB EMDataResource

• Classification: MEMBRANE PROTEIN
• Organism(s): Saccharomyces cerevisiae
• Expression System: Saccharomyces cerevisiae
• Mutation(s): No 


• Deposited: 2024-03-07 Released: 2025-09-24 
• Deposition Author(s): Soong, T.H., Hotze, C., Raghav, D., Khandelwal, N.K., Tomasiak, T.M.
• Funding Organization(s): National Institutes of Health/National Institute Of Allergy and Infectious Diseases (NIH/NIAID)

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Experimental Data Snapshot

• Method: ELECTRON MICROSCOPY
• Resolution: 3.24 Å
• Aggregation State: PARTICLE 
• Reconstruction Method: SINGLE PARTICLE 

Literature

Cryo-EM structure of GSSG-bound Ycf1

Soong, T.H., Hotze, C., Raghav, D., Khandelwal, N.K., Tomasiak, T.M.

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: gel filtration

Macromolecule Content 

• Total Structure Weight: 172.16 kDa 
• Atom Count: 11,527 
• Modeled Residue Count: 1,444 
• Deposited Residue Count: 1,515 
• Unique protein chains: 1

Macromolecules

Entity ID: 1
Molecule	Chains	Sequence Length	Organism	Details	Image
Metal resistance protein YCF1	A	1,515	Saccharomyces cerevisiae	Mutation(s): 0  Gene Names: YCF1, YDR135C, YD9302.11C EC: 7.2.2.2 (PDB Primary Data), 7.6.2.3 (PDB Primary Data)
UniProt
Find proteins for P39109 (Saccharomyces cerevisiae (strain ATCC 204508 / S288c)) Explore P39109  Go to UniProtKB:  P39109

Small Molecules

Ligands 1 Unique
ID	Chains	Name / Formula / InChI Key	2D Diagram
GDS (Subject of Investigation/LOI)	B [auth A]	OXIDIZED GLUTATHIONE DISULFIDE C20 H32 N6 O12 S2 YPZRWBKMTBYPTK-BJDJZHNGSA-N

Modified Residues  2 Unique
ID	Chains	Type	Formula	2D Diagram	Parent
SEP	A	L-PEPTIDE LINKING	C3 H8 N O6 P		SER
TPO	A	L-PEPTIDE LINKING	C4 H10 N O6 P		THR

Experimental Data & Validation

Experimental Data

• Method: ELECTRON MICROSCOPY
• Resolution: 3.24 Å
• Aggregation State: PARTICLE 
• Reconstruction Method: SINGLE PARTICLE 

Structure Validation

Entry History & Funding Information

Deposition Data

• Released Date: 2025-09-24 
Deposition Author(s): Soong, T.H., Hotze, C., Raghav, D., Khandelwal, N.K., Tomasiak, T.M.

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Funding Organization	Location	Grant Number
National Institutes of Health/National Institute Of Allergy and Infectious Diseases (NIH/NIAID)	United States	AI156270

Revision History  

• Version 1.0: 2025-09-24
  Type: Initial release