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- PDB-8hzn: Mouse Pendrin bound chloride in inward state -

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Basic information

Entry
Database: PDB / ID: 8hzn
TitleMouse Pendrin bound chloride in inward state
ComponentsPendrin
KeywordsTRANSPORT PROTEIN / exchange / transport / slc
Function / homology
Function and homology information


Inorganic anion exchange by SLC26 transporters / iodide transmembrane transporter activity / secondary active sulfate transmembrane transporter activity / monoatomic anion transmembrane transporter activity / regulation of pH / chloride:bicarbonate antiporter activity / animal organ morphogenesis / brush border membrane / regulation of protein localization / apical plasma membrane ...Inorganic anion exchange by SLC26 transporters / iodide transmembrane transporter activity / secondary active sulfate transmembrane transporter activity / monoatomic anion transmembrane transporter activity / regulation of pH / chloride:bicarbonate antiporter activity / animal organ morphogenesis / brush border membrane / regulation of protein localization / apical plasma membrane / extracellular exosome / membrane
Similarity search - Function
Sulphate anion transporter, conserved site / SLC26A transporters signature. / SLC26A/SulP transporter / SLC26A/SulP transporter domain / Sulfate permease family / STAS domain / STAS domain profile. / STAS domain / STAS domain superfamily
Similarity search - Domain/homology
Biological speciesMus musculus (house mouse)
MethodELECTRON MICROSCOPY / single particle reconstruction / cryo EM / Resolution: 3.25 Å
AuthorsLiu, Q.Y. / Zhang, X. / Sun, L. / Chen, Z.G.
CitationJournal: To Be Published
Title: Mouse Pendrin bound chloride in inward state
Authors: Liu, Q.Y. / Zhang, X. / Sun, L. / Chen, Z.G.
History
DepositionJan 9, 2023Deposition site: PDBJ / Processing site: PDBJ
Revision 1.0Jan 31, 2024Provider: repository / Type: Initial release
Revision 1.0Jan 31, 2024Data content type: EM metadata / Data content type: EM metadata / Provider: repository / Type: Initial release
Revision 1.0Jan 31, 2024Data content type: Half map / Part number: 1 / Data content type: Half map / Provider: repository / Type: Initial release
Revision 1.0Jan 31, 2024Data content type: Half map / Part number: 2 / Data content type: Half map / Provider: repository / Type: Initial release
Revision 1.0Jan 31, 2024Data content type: Image / Data content type: Image / Provider: repository / Type: Initial release
Revision 1.0Jan 31, 2024Data content type: Primary map / Data content type: Primary map / Provider: repository / Type: Initial release
Revision 1.1Jul 2, 2025Group: Data collection / Structure summary / Category: em_admin / em_software / pdbx_entry_details
Item: _em_admin.last_update / _em_software.name / _pdbx_entry_details.has_protein_modification
Revision 1.1Jul 2, 2025Data content type: EM metadata / Data content type: EM metadata / EM metadata / Group: Data processing / Experimental summary / Data content type: EM metadata / EM metadata / Category: em_admin / em_software / Data content type: EM metadata / EM metadata / Item: _em_admin.last_update / _em_software.name
Revision 1.2Sep 3, 2025Group: Author supporting evidence / Data collection / Category: em_admin / pdbx_audit_support / Item: _em_admin.last_update
Revision 1.2Sep 3, 2025Data content type: EM metadata / Data content type: EM metadata / Group: Experimental summary / Data content type: EM metadata / Category: em_admin / Data content type: EM metadata / Item: _em_admin.last_update

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Structure visualization

Structure viewerMolecule:
MolmilJmol/JSmol

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Assembly

Deposited unit
A: Pendrin
B: Pendrin
hetero molecules


Theoretical massNumber of molelcules
Total (without water)171,6104
Polymers171,5392
Non-polymers712
Water00
1


  • Idetical with deposited unit
  • defined by author
  • Evidence: electron microscopy
TypeNameSymmetry operationNumber
identity operation1_5551

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Components

#1: Protein Pendrin / Sodium-independent chloride/iodide transporter / Solute carrier family 26 member 4


Mass: 85769.578 Da / Num. of mol.: 2
Source method: isolated from a genetically manipulated source
Source: (gene. exp.) Mus musculus (house mouse) / Gene: Slc26a4, Pds / Production host: Homo sapiens (human) / References: UniProt: Q9R155
#2: Chemical ChemComp-CL / CHLORIDE ION


Mass: 35.453 Da / Num. of mol.: 2 / Source method: obtained synthetically / Formula: Cl / Feature type: SUBJECT OF INVESTIGATION
Has ligand of interestY
Has protein modificationN

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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: mouse Pendrin bound chloride in inward state / Type: COMPLEX / Entity ID: #1 / Source: RECOMBINANT
Molecular weightExperimental value: NO
Source (natural)Organism: Mus musculus (house mouse)
Source (recombinant)Organism: Homo sapiens (human)
Buffer solutionpH: 8
SpecimenEmbedding applied: NO / Shadowing applied: NO / Staining applied: NO / Vitrification applied: YES
VitrificationCryogen name: ETHANE

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Electron microscopy imaging

Experimental equipment
Model: Titan Krios / Image courtesy: FEI Company
MicroscopyModel: FEI TITAN 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: 1200 nm
Image recordingElectron dose: 53 e/Å2 / Film or detector model: GATAN K2 SUMMIT (4k x 4k)

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Processing

SoftwareName: PHENIX / Version: 1.17.1_3660: / Classification: refinement
EM softwareName: PHENIX / Category: model refinement
CTF correctionType: PHASE FLIPPING AND AMPLITUDE CORRECTION
3D reconstructionResolution: 3.25 Å / Resolution method: FSC 0.143 CUT-OFF / Num. of particles: 120887 / Symmetry type: POINT
Refine LS restraints
Refine-IDTypeDev idealNumber
ELECTRON MICROSCOPYf_bond_d0.00210400
ELECTRON MICROSCOPYf_angle_d0.40614136
ELECTRON MICROSCOPYf_dihedral_angle_d12.0863710
ELECTRON MICROSCOPYf_chiral_restr0.0371718
ELECTRON MICROSCOPYf_plane_restr0.0031758

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