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- PDB-9iry: Structure of human URAT1 bound with verinurad -

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Basic information

Entry
Database: PDB / ID: 9iry
TitleStructure of human URAT1 bound with verinurad
ComponentsSolute carrier family 22 member 12
KeywordsTRANSPORT PROTEIN / SLC22 / urate / gout / Verinurad
Function / homology
Function and homology information


Defective SLC22A12 causes renal hypouricemia 1 (RHUC1) / Organic anion transport / renal urate salt excretion / urate transport / urate metabolic process / urate transmembrane transporter activity / organic anion transport / cellular homeostasis / monoatomic ion transport / PDZ domain binding ...Defective SLC22A12 causes renal hypouricemia 1 (RHUC1) / Organic anion transport / renal urate salt excretion / urate transport / urate metabolic process / urate transmembrane transporter activity / organic anion transport / cellular homeostasis / monoatomic ion transport / PDZ domain binding / brush border membrane / cellular response to insulin stimulus / apical plasma membrane / response to xenobiotic stimulus / extracellular exosome / membrane / plasma membrane
Similarity search - Function
Major facilitator superfamily / Major Facilitator Superfamily / Major facilitator superfamily domain / Major facilitator superfamily (MFS) profile. / MFS transporter superfamily
Similarity search - Domain/homology
: / Solute carrier family 22 member 12
Similarity search - Component
Biological speciesHomo sapiens (human)
MethodELECTRON MICROSCOPY / single particle reconstruction / cryo EM / Resolution: 3.2 Å
AuthorsGuo, W.J. / Wei, M. / Chen, L.
Funding support China, 2items
OrganizationGrant numberCountry
Ministry of Science and Technology (MoST, China)2022YFA0806504 China
National Natural Science Foundation of China (NSFC)32225027 China
CitationJournal: Nat Commun / Year: 2025
Title: Mechanisms of urate transport and uricosuric drugs inhibition in human URAT1.
Authors: Wenjun Guo / Miao Wei / Yunfeng Li / Jiaxuan Xu / Jiahe Zang / Yuezhou Chen / Lei Chen /
Abstract: High urate levels in circulation lead to the accumulation of urate crystals in joints and ultimately inflammation and gout. The reabsorption process of urate in the kidney by the urate transporter ...High urate levels in circulation lead to the accumulation of urate crystals in joints and ultimately inflammation and gout. The reabsorption process of urate in the kidney by the urate transporter URAT1 plays a pivotal role in controlling serum urate levels. Pharmacological inhibition of URAT1 by uricosuric drugs is a valid strategy for gout management. Despite the clinical significance of URAT1, its structural mechanism and dynamics remain incompletely understood. Here, we report the structures of human URAT1 (hURAT1) in complex with substrate urate or inhibitors benzbromarone and verinurad at resolution ranges from 3.0 to 3.3 Å. We observe urate in the central substrate-binding site of hURAT1 in the outward-facing conformation and urate is wrapped in the center of hURAT1 by five phenylalanines and coordinated by two positively charged residues on each side. Uricosuric compounds benzbromarone and verinurad occupy the urate-binding site of hURAT1 in the inward-facing conformation. Structural comparison between different conformations of hURAT1 reveals the rocker-switch-like mechanism for urate transport. Benzbromarone and verinurad exert their inhibitory effect by blocking not only the binding of urate but also the structural isomerization of hURAT1.
History
DepositionJul 16, 2024Deposition site: PDBJ / Processing site: PDBJ
Revision 1.0Jan 15, 2025Provider: repository / Type: Initial release
Revision 1.1May 7, 2025Group: Data collection / Database references / Category: citation / citation_author / em_admin
Item: _citation.country / _citation.journal_abbrev ..._citation.country / _citation.journal_abbrev / _citation.journal_id_CSD / _citation.journal_id_ISSN / _citation.journal_volume / _citation.page_first / _citation.page_last / _citation.pdbx_database_id_DOI / _citation.pdbx_database_id_PubMed / _citation.title / _citation.year / _em_admin.last_update

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Structure visualization

Structure viewerMolecule:
MolmilJmol/JSmol

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Assembly

Deposited unit
A: Solute carrier family 22 member 12
hetero molecules


Theoretical massNumber of molelcules
Total (without water)59,8952
Polymers59,5471
Non-polymers3481
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 Solute carrier family 22 member 12 / Organic anion transporter 4-like protein / Renal-specific transporter / RST / Urate anion exchanger ...Organic anion transporter 4-like protein / Renal-specific transporter / RST / Urate anion exchanger 1 / URAT1 / Urate:anion antiporter SLC22A12


Mass: 59546.602 Da / Num. of mol.: 1
Source method: isolated from a genetically manipulated source
Source: (gene. exp.) Homo sapiens (human) / Gene: SLC22A12, OATL4, URAT1, UNQ6453/PRO34004 / Production host: Homo sapiens (human) / References: UniProt: Q96S37
#2: Chemical ChemComp-A1AIJ / verinurad / 2-{[(3P)-3-(4-cyanonaphthalen-1-yl)pyridin-4-yl]sulfanyl}-2-methylpropanoic acid


Mass: 348.418 Da / Num. of mol.: 1 / Source method: obtained synthetically / Formula: C20H16N2O2S / 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: human urate transporter 1 / Type: COMPLEX / Entity ID: #1 / Source: RECOMBINANT
Source (natural)Organism: Homo sapiens (human)
Source (recombinant)Organism: Homo sapiens (human)
Buffer solutionpH: 7.5
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: 1800 nm / Nominal defocus min: 1500 nm
Image recordingElectron dose: 70 e/Å2 / Film or detector model: GATAN K3 (6k x 4k)

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Processing

CTF correctionType: NONE
Particle selectionNum. of particles selected: 5374146
3D reconstructionResolution: 3.2 Å / Resolution method: FSC 0.143 CUT-OFF / Num. of particles: 659248 / Symmetry type: POINT

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