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- PDB-9mc8: Cryo-EM structure of human OAT1 in complex with PAH -

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Basic information

Entry
Database: PDB / ID: 9mc8
TitleCryo-EM structure of human OAT1 in complex with PAH
ComponentsIsoform 2 of Solute carrier family 22 member 6
KeywordsMEMBRANE PROTEIN / transporter / OAT1 / organic anion transporter
Function / homology
Function and homology information


renal tubular secretion / alpha-ketoglutarate transport / alpha-ketoglutarate transmembrane transporter activity / sodium-independent organic anion transport / Organic anion transport / sodium-independent organic anion transmembrane transporter activity / metanephric proximal tubule development / prostaglandin transport / prostaglandin transmembrane transporter activity / organic anion transport ...renal tubular secretion / alpha-ketoglutarate transport / alpha-ketoglutarate transmembrane transporter activity / sodium-independent organic anion transport / Organic anion transport / sodium-independent organic anion transmembrane transporter activity / metanephric proximal tubule development / prostaglandin transport / prostaglandin transmembrane transporter activity / organic anion transport / solute:inorganic anion antiporter activity / organic anion transmembrane transporter activity / monoatomic anion transport / chloride ion binding / antiporter activity / transmembrane transporter activity / xenobiotic transmembrane transporter activity / basal plasma membrane / : / caveola / basolateral plasma membrane / protein-containing complex / extracellular exosome / identical protein binding / plasma membrane
Similarity search - Function
Organic cation transport protein/SVOP / Major facilitator, sugar transporter-like / Sugar (and other) transporter / Major facilitator superfamily domain / Major facilitator superfamily (MFS) profile. / MFS transporter superfamily
Similarity search - Domain/homology
N-(4-aminobenzoyl)glycine / Solute carrier family 22 member 6
Similarity search - Component
Biological speciesHomo sapiens (human)
MethodELECTRON MICROSCOPY / single particle reconstruction / cryo EM / Resolution: 3.31 Å
AuthorsZhang, W. / Zhang, Y.
Funding support China, 1items
OrganizationGrant numberCountry
National Natural Science Foundation of China (NSFC) China
CitationJournal: To Be Published
Title: Cryo-EM structure of human OAT1 in complex with PAH
Authors: Zhang, W. / Zhang, Y.
History
DepositionMar 17, 2025Deposition site: PDBJ / Processing site: PDBC
Revision 1.0Jun 18, 2025Provider: repository / Type: Initial release
Revision 1.0Jun 18, 2025Data content type: EM metadata / Data content type: EM metadata / Provider: repository / Type: Initial release
Revision 1.0Jun 18, 2025Data content type: FSC / Data content type: FSC / Provider: repository / Type: Initial release
Revision 1.0Jun 18, 2025Data content type: Half map / Part number: 1 / Data content type: Half map / Provider: repository / Type: Initial release
Revision 1.0Jun 18, 2025Data content type: Half map / Part number: 2 / Data content type: Half map / Provider: repository / Type: Initial release
Revision 1.0Jun 18, 2025Data content type: Image / Data content type: Image / Provider: repository / Type: Initial release
Revision 1.0Jun 18, 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: Isoform 2 of Solute carrier family 22 member 6
hetero molecules


Theoretical massNumber of molelcules
Total (without water)63,3132
Polymers63,1191
Non-polymers1941
Water00
1


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

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Components

#1: Protein Isoform 2 of Solute carrier family 22 member 6 / Organic anion transporter 1 / hOAT1 / PAH transporter / hPAHT / Renal organic anion transporter 1 / hROAT1


Mass: 63119.156 Da / Num. of mol.: 1
Source method: isolated from a genetically manipulated source
Source: (gene. exp.) Homo sapiens (human) / Gene: SLC22A6, OAT1, PAHT / Production host: Homo sapiens (human) / References: UniProt: Q4U2R8
#2: Chemical ChemComp-ZWD / N-(4-aminobenzoyl)glycine / Para-aminohippuric acid


Mass: 194.187 Da / Num. of mol.: 1 / Source method: obtained synthetically / Formula: C9H10N2O3 / 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: OAT1 / Type: COMPLEX / Entity ID: #1 / Source: RECOMBINANT
Molecular weightExperimental value: NO
Source (natural)Organism: Homo sapiens (human)
Source (recombinant)Organism: Homo sapiens (human)
Buffer solutionpH: 7.4
SpecimenConc.: 5 mg/ml / Embedding applied: NO / Shadowing applied: NO / Staining applied: NO / Vitrification applied: YES
Specimen supportGrid material: GOLD / Grid mesh size: 300 divisions/in. / Grid type: Quantifoil R1.2/1.3
VitrificationInstrument: FEI VITROBOT MARK IV / Cryogen name: ETHANE / Humidity: 100 % / Chamber temperature: 281 K

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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 magnification: 130000 X / Nominal defocus max: 1600 nm / Nominal defocus min: 900 nm / Cs: 2.7 mm
Specimen holderCryogen: NITROGEN / Specimen holder model: FEI TITAN KRIOS AUTOGRID HOLDER
Image recordingElectron dose: 49.6 e/Å2 / Film or detector model: FEI FALCON IV (4k x 4k)
EM imaging opticsEnergyfilter name: TFS Selectris X / Energyfilter slit width: 20 eV

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Processing

EM softwareName: EPU / Category: image acquisition
CTF correctionType: NONE
3D reconstructionResolution: 3.31 Å / Resolution method: FSC 0.143 CUT-OFF / Num. of particles: 52099 / Symmetry type: POINT

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