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- PDB-9ay0: Cryo-EM structure of GSSG-bound Ycf1 -

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Basic information

Entry
Database: PDB / ID: 9ay0
TitleCryo-EM structure of GSSG-bound Ycf1
ComponentsMetal resistance protein YCF1
KeywordsMEMBRANE PROTEIN / GSSG
Function / homology
Function and homology information


ABC-type Cd2+ transporter / ABC-type cadmium transporter activity / Recycling of bile acids and salts / Heme degradation / Aspirin ADME / Atorvastatin ADME / Paracetamol ADME / P-type cadmium transporter activity / bilirubin transmembrane transporter activity / bilirubin transport ...ABC-type Cd2+ transporter / ABC-type cadmium transporter activity / Recycling of bile acids and salts / Heme degradation / Aspirin ADME / Atorvastatin ADME / Paracetamol ADME / P-type cadmium transporter activity / bilirubin transmembrane transporter activity / bilirubin transport / ABC-family proteins mediated transport / vacuole fusion, non-autophagic / ABC-type glutathione S-conjugate transporter activity / ABC-type glutathione-S-conjugate transporter / fungal-type vacuole / fungal-type vacuole membrane / response to metal ion / ATPase-coupled transmembrane transporter activity / response to cadmium ion / glutathione metabolic process / cell redox homeostasis / transmembrane transport / membrane raft / ATP hydrolysis activity / ATP binding / membrane
Similarity search - Function
: / ABC transporter TMD0 domain / : / ABC transporter transmembrane region / ABC transporter type 1, transmembrane domain / ABC transporter integral membrane type-1 fused domain profile. / ABC transporter type 1, transmembrane domain superfamily / ABC transporter-like, conserved site / ABC transporters family signature. / ABC transporter ...: / ABC transporter TMD0 domain / : / ABC transporter transmembrane region / ABC transporter type 1, transmembrane domain / ABC transporter integral membrane type-1 fused domain profile. / ABC transporter type 1, transmembrane domain superfamily / ABC transporter-like, conserved site / ABC transporters family signature. / ABC transporter / ABC transporter-like, ATP-binding domain / ATP-binding cassette, ABC transporter-type domain profile. / ATPases associated with a variety of cellular activities / AAA+ ATPase domain / P-loop containing nucleoside triphosphate hydrolase
Similarity search - Domain/homology
OXIDIZED GLUTATHIONE DISULFIDE / Metal resistance protein YCF1
Similarity search - Component
Biological speciesSaccharomyces cerevisiae (brewer's yeast)
MethodELECTRON MICROSCOPY / single particle reconstruction / cryo EM / Resolution: 3.24 Å
AuthorsSoong, T.H. / Hotze, C. / Raghav, D. / Khandelwal, N.K. / Tomasiak, T.M.
Funding support United States, 1items
OrganizationGrant numberCountry
National Institutes of Health/National Institute Of Allergy and Infectious Diseases (NIH/NIAID)AI156270 United States
CitationJournal: To Be Published
Title: Cryo-EM structure of GSSG-bound Ycf1
Authors: Soong, T.H. / Hotze, C. / Raghav, D. / Khandelwal, N.K. / Tomasiak, T.M.
History
DepositionMar 7, 2024Deposition site: RCSB / Processing site: RCSB
Revision 1.0Sep 24, 2025Provider: repository / Type: Initial release
Revision 1.0Sep 24, 2025Data content type: EM metadata / Data content type: EM metadata / Provider: repository / Type: Initial release
Revision 1.0Sep 24, 2025Data content type: FSC / Data content type: FSC / Provider: repository / Type: Initial release
Revision 1.0Sep 24, 2025Data content type: Half map / Part number: 1 / Data content type: Half map / Provider: repository / Type: Initial release
Revision 1.0Sep 24, 2025Data content type: Half map / Part number: 2 / Data content type: Half map / Provider: repository / Type: Initial release
Revision 1.0Sep 24, 2025Data content type: Image / Data content type: Image / Provider: repository / Type: Initial release
Revision 1.0Sep 24, 2025Data content type: Primary map / Data content type: Primary map / Provider: repository / Type: Initial release

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Structure visualization

Structure viewerMolecule:
MolmilJmol/JSmol

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Assembly

Deposited unit
A: Metal resistance protein YCF1
hetero molecules


Theoretical massNumber of molelcules
Total (without water)172,1582
Polymers171,5451
Non-polymers6131
Water00
1


  • Idetical with deposited unit
  • defined by author&software
  • Evidence: gel filtration, not applicable
TypeNameSymmetry operationNumber
identity operation1_555x,y,z1

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Components

#1: Protein Metal resistance protein YCF1 / ABC-type Cd(2+) transporter / ABC-type glutathione-S-conjugate transporter / Yeast cadmium factor 1


Mass: 171545.344 Da / Num. of mol.: 1
Source method: isolated from a genetically manipulated source
Source: (gene. exp.) Saccharomyces cerevisiae (brewer's yeast)
Gene: YCF1, YDR135C, YD9302.11C / Production host: Saccharomyces cerevisiae (brewer's yeast)
References: UniProt: P39109, ABC-type Cd2+ transporter, ABC-type glutathione-S-conjugate transporter
#2: Chemical ChemComp-GDS / OXIDIZED GLUTATHIONE DISULFIDE


Mass: 612.631 Da / Num. of mol.: 1 / Source method: obtained synthetically / Formula: C20H32N6O12S2 / Feature type: SUBJECT OF INVESTIGATION
Has ligand of interestY
Has protein modificationY

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Experimental details

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Experiment

ExperimentMethod: ELECTRON MICROSCOPY
EM experimentAggregation state: PARTICLE / 3D reconstruction method: single particle reconstruction

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Sample preparation

ComponentName: Yeast Cadmium Factor 1 bound with oxidized glutathione
Type: ORGANELLE OR CELLULAR COMPONENT / Entity ID: #1 / Source: RECOMBINANT
Molecular weightValue: 0.175985 MDa / Experimental value: NO
Source (natural)Organism: Saccharomyces cerevisiae (brewer's yeast) / Organelle: Vacuole
Source (recombinant)Organism: Saccharomyces cerevisiae (brewer's yeast) / Strain: DSY5 / Plasmid: p423_GAL1
Buffer solutionpH: 7
SpecimenEmbedding applied: YES / Shadowing applied: NO / Staining applied: NO / Vitrification applied: YES
EM embeddingMaterial: Vitreous ice
VitrificationCryogen name: ETHANE

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Electron microscopy imaging

Experimental equipment
Model: Titan Krios / Image courtesy: FEI Company
MicroscopyModel: TFS KRIOS
Electron gunElectron source: FIELD EMISSION GUN / Accelerating voltage: 300 kV / Illumination mode: FLOOD BEAM
Electron lensMode: BRIGHT FIELD / Nominal defocus max: 2500 nm / Nominal defocus min: 700 nm
Image recordingElectron dose: 48 e/Å2 / Film or detector model: GATAN K3 BIOCONTINUUM (6k x 4k)

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Processing

CTF correctionType: PHASE FLIPPING AND AMPLITUDE CORRECTION
3D reconstructionResolution: 3.24 Å / Resolution method: FSC 0.143 CUT-OFF / Num. of particles: 191581 / Symmetry type: POINT
RefinementCross valid method: NONE

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