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- EMDB-63724: Cryo-EM structure of human OAT1 in complex with cefazolin -

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Basic information

Entry
Database: EMDB / ID: EMD-63724
TitleCryo-EM structure of human OAT1 in complex with cefazolin
Map data
Sample
  • Complex: OAT1
    • Protein or peptide: Isoform 2 of Solute carrier family 22 member 6
  • Ligand: Cefazolin
Keywordstransporter OAT1 / organic anion transport / MEMBRANE PROTEIN
Function / homology
Function and homology information


renal tubular secretion / alpha-ketoglutarate transport / alpha-ketoglutarate transmembrane transporter activity / Organic anion transport by SLC22 transporters / sodium-independent organic anion transport / : / metanephric proximal tubule development / prostaglandin transport / prostaglandin transmembrane transporter activity / organic anion transport ...renal tubular secretion / alpha-ketoglutarate transport / alpha-ketoglutarate transmembrane transporter activity / Organic anion transport by SLC22 transporters / sodium-independent organic anion transport / : / metanephric proximal tubule development / prostaglandin transport / prostaglandin transmembrane transporter activity / organic anion transport / solute:inorganic anion antiporter activity / : / monoatomic anion transport / antiporter activity / chloride ion binding / 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
Solute carrier family 22 member 6
Similarity search - Component
Biological speciesHomo sapiens (human)
Methodsingle particle reconstruction / cryo EM / Resolution: 3.27 Å
AuthorsZhang W / Zhang Y
Funding support China, 1 items
OrganizationGrant numberCountry
National Natural Science Foundation of China (NSFC) China
CitationJournal: To Be Published
Title: Cryo-EM structure of human OAT1 in complex with cefazolin
Authors: Zhang W / Zhang Y
History
DepositionMar 13, 2025-
Header (metadata) releaseJun 18, 2025-
Map releaseJun 18, 2025-
UpdateJun 18, 2025-
Current statusJun 18, 2025Processing site: PDBc / Status: Released

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Structure visualization

Supplemental images

emd_63724.png

Downloads & links

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Map

FileDownload / File: emd_63724.map.gz / Format: CCP4 / Size: 46.4 MB / Type: IMAGE STORED AS FLOATING POINT NUMBER (4 BYTES)
Projections & slices

Image control

Size
Brightness
Contrast
Others
AxesZ (Sec.)Y (Row.)X (Col.)
0.93 Å/pix.
x 230 pix.
= 214.36 Å		0.93 Å/pix.
x 230 pix.
= 214.36 Å		0.93 Å/pix.
x 230 pix.
= 214.36 Å

Surface

Projections

Slices (1/3)

Slices (1/2)

Slices (2/3)

Images are generated by Spider.

Voxel sizeX=Y=Z: 0.932 Å
Density

Histogram

Histogram (log scale)
Contour LevelBy AUTHOR: 0.134
Minimum - Maximum-2.2612088 - 3.4326637
Average (Standard dev.)-0.00019607162 (±0.07725438)
SymmetrySpace group: 1
Details

EMDB XML:

Map geometry
Axis orderXYZ
Origin000
Dimensions230230230
Spacing230230230
CellA=B=C: 214.36 Å
α=β=γ: 90.0 °

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Supplemental data

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Half map: #2

Fileemd_63724_half_map_1.map
Projections & Slices
AxesZYX

Projections

Slices (1/2)
Density Histograms

Histogram

Histogram (log scale)

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Half map: #1

Fileemd_63724_half_map_2.map
Projections & Slices
AxesZYX

Projections

Slices (1/2)
Density Histograms

Histogram

Histogram (log scale)

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Sample components

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Entire : OAT1

EntireName: OAT1
Components
  • Complex: OAT1
    • Protein or peptide: Isoform 2 of Solute carrier family 22 member 6
  • Ligand: Cefazolin

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Supramolecule #1: OAT1

SupramoleculeName: OAT1 / type: complex / ID: 1 / Parent: 0 / Macromolecule list: #1
Source (natural)Organism: Homo sapiens (human)

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Macromolecule #1: Isoform 2 of Solute carrier family 22 member 6

MacromoleculeName: Isoform 2 of Solute carrier family 22 member 6 / type: protein_or_peptide / ID: 1 / Number of copies: 1 / Enantiomer: LEVO
Source (natural)Organism: Homo sapiens (human)
Molecular weightTheoretical: 57.12566 KDa
Recombinant expressionOrganism: Homo sapiens (human)
SequenceString: MAFNDLLQQV GGVGRFQQIQ VTLVVLPLLL MASHNTLQNF TAAIPTHHCR PPADANLSKN GGLEVWLPRD RQGQPESCLR FTSPQWGLP FLNGTEANGT GATEPCTDGW IYDNSTFPST IVTEWDLVCS HRALRQLAQS LYMVGVLLGA MVFGYLADRL G RRKVLILN ...String:
MAFNDLLQQV GGVGRFQQIQ VTLVVLPLLL MASHNTLQNF TAAIPTHHCR PPADANLSKN GGLEVWLPRD RQGQPESCLR FTSPQWGLP FLNGTEANGT GATEPCTDGW IYDNSTFPST IVTEWDLVCS HRALRQLAQS LYMVGVLLGA MVFGYLADRL G RRKVLILN YLQTAVSGTC AAFAPNFPIY CAFRLLSGMA LAGISLNCMT LNVEWMPIHT RACVGTLIGY VYSLGQFLLA GV AYAVPHW RHLQLLVSAP FFAFFIYSWF FIESARWHSS SGRLDLTLRA LQRVARINGK REEGAKLSME VLRASLQKEL TMG KGQASA MELLRCPTLR HLFLCLSMLW FATSFAYYGL VMDLQGFGVS IYLIQVIFGA VDLPAKLVGF LVINSLGRRP AQMA ALLLA GICILLNGVI PQDQSIVRTS LAVLGKGCLA ASFNCIFLYT GELYPTMIRQ TGMGMGSTMA RVGSIVSPLV SMTAE LYPS MPLFIYGAVP VAASAVTVLL PETLGQPLPD TVQDLESR

UniProtKB: Solute carrier family 22 member 6

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Macromolecule #2: Cefazolin

MacromoleculeName: Cefazolin / type: ligand / ID: 2 / Number of copies: 1 / Formula: X56
Molecular weightTheoretical: 454.507 Da

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Experimental details

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Structure determination

Methodcryo EM
Processingsingle particle reconstruction
Aggregation stateparticle

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Sample preparation

Concentration5 mg/mL
BufferpH: 7.4
GridModel: Quantifoil R1.2/1.3 / Material: GOLD / Mesh: 300 / Pretreatment - Type: GLOW DISCHARGE / Pretreatment - Time: 45 sec.
VitrificationCryogen name: ETHANE / Chamber humidity: 100 % / Chamber temperature: 281 K / Instrument: FEI VITROBOT MARK IV

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Electron microscopy

MicroscopeFEI TALOS ARCTICA
Specialist opticsEnergy filter - Name: TFS Selectris X / Energy filter - Slit width: 20 eV
Image recordingFilm or detector model: FEI FALCON IV (4k x 4k) / Average electron dose: 50.0 e/Å2
Electron beamAcceleration voltage: 300 kV / Electron source: FIELD EMISSION GUN
Electron opticsIllumination mode: FLOOD BEAM / Imaging mode: BRIGHT FIELD / Cs: 2.7 mm / Nominal defocus max: 16.0 µm / Nominal defocus min: 0.9 µm / Nominal magnification: 130000
Sample stageSpecimen holder model: FEI TITAN KRIOS AUTOGRID HOLDER / Cooling holder cryogen: NITROGEN
Experimental equipment
Model: Talos Arctica / Image courtesy: FEI Company

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Image processing

CTF correctionType: NONE
Startup modelType of model: NONE
Final reconstructionResolution.type: BY AUTHOR / Resolution: 3.27 Å / Resolution method: FSC 0.143 CUT-OFF / Number images used: 127828
Initial angle assignmentType: OTHER
Final angle assignmentType: OTHER
FSC plot (resolution estimation)

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