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- PDB-8i4b: Cryo-EM structure of apo-form ABCC4 -

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Basic information

Entry
Database: PDB / ID: 8i4b
TitleCryo-EM structure of apo-form ABCC4
ComponentsATP-binding cassette sub-family C member 4
KeywordsTRANSPORT PROTEIN / apo-form / ABC transport / ATP-binding cassette / multidrug resistance proteins / MRP / ATP-binding cassette subfamily C
Function / homology
Function and homology information


guanine nucleotide transmembrane transporter activity / 15-hydroxyprostaglandin dehydrogenase (NAD+) activity / purine nucleotide transmembrane transporter activity / cAMP transport / ABC-type bile acid transporter activity / platelet dense granule membrane / leukotriene transport / urate transport / platelet degranulation / prostaglandin transport ...guanine nucleotide transmembrane transporter activity / 15-hydroxyprostaglandin dehydrogenase (NAD+) activity / purine nucleotide transmembrane transporter activity / cAMP transport / ABC-type bile acid transporter activity / platelet dense granule membrane / leukotriene transport / urate transport / platelet degranulation / prostaglandin transport / glutathione transmembrane transporter activity / ABC-type glutathione-S-conjugate transporter / ABC-type glutathione S-conjugate transporter activity / prostaglandin transmembrane transporter activity / ATPase-coupled inorganic anion transmembrane transporter activity / urate transmembrane transporter activity / external side of apical plasma membrane / xenobiotic transmembrane transport / export across plasma membrane / ABC-type xenobiotic transporter / prostaglandin secretion / Paracetamol ADME / Translocases; Catalysing the translocation of other compounds; Linked to the hydrolysis of a nucleoside triphosphate / ABC-type xenobiotic transporter activity / Azathioprine ADME / bile acid and bile salt transport / efflux transmembrane transporter activity / xenobiotic transmembrane transporter activity / ATPase-coupled transmembrane transporter activity / transport across blood-brain barrier / cilium assembly / ABC-type transporter activity / xenobiotic metabolic process / ABC-family proteins mediated transport / transmembrane transport / Platelet degranulation / basolateral plasma membrane / apical plasma membrane / nucleolus / Golgi apparatus / ATP hydrolysis activity / ATP binding / membrane / plasma membrane
Similarity search - Function
ATP-binding cassette sub-family C member 4 / : / : / 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 ...ATP-binding cassette sub-family C member 4 / : / : / 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
ATP-binding cassette sub-family C member 4
Similarity search - Component
Biological speciesHomo sapiens (human)
MethodELECTRON MICROSCOPY / single particle reconstruction / cryo EM / Resolution: 3.13 Å
AuthorsChen, Y. / Wang, L. / Hou, W.T. / Zhou, C.Z. / Chen, Y. / Li, Q.
Funding support China, 2items
OrganizationGrant numberCountry
Ministry of Science and Technology (MoST, China)2019YFA0508500 China
Chinese Academy of SciencesXDB37020202 China
CitationJournal: Nat Cardiovasc Res / Year: 2023
Title: Cryo-EM structure ofABCC4
Authors: Chen, Y. / Wang, L. / Hou, W.T. / Zhou, C.Z. / Chen, Y. / Li, Q.
History
DepositionJan 19, 2023Deposition site: PDBJ / Processing site: PDBJ
Revision 1.0May 24, 2023Provider: repository / Type: Initial release
Revision 1.1Jul 3, 2024Group: Data collection / Category: chem_comp_atom / chem_comp_bond / em_admin / Item: _em_admin.last_update

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Structure visualization

Structure viewerMolecule:
MolmilJmol/JSmol

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Assembly

Deposited unit
A: ATP-binding cassette sub-family C member 4


Theoretical massNumber of molelcules
Total (without water)149,6941
Polymers149,6941
Non-polymers00
Water00
1


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

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Components

#1: Protein ATP-binding cassette sub-family C member 4 / MRP/cMOAT-related ABC transporter / Multi-specific organic anion transporter B / MOAT-B / Multidrug ...MRP/cMOAT-related ABC transporter / Multi-specific organic anion transporter B / MOAT-B / Multidrug resistance-associated protein 4


Mass: 149693.922 Da / Num. of mol.: 1
Source method: isolated from a genetically manipulated source
Source: (gene. exp.) Homo sapiens (human) / Gene: ABCC4, MOATB, MRP4 / Cell line (production host): HEK293 / Production host: Homo sapiens (human)
References: UniProt: O15439, Translocases; Catalysing the translocation of other compounds; Linked to the hydrolysis of a nucleoside triphosphate, ABC-type xenobiotic transporter, ABC-type ...References: UniProt: O15439, Translocases; Catalysing the translocation of other compounds; Linked to the hydrolysis of a nucleoside triphosphate, ABC-type xenobiotic transporter, ABC-type glutathione-S-conjugate transporter

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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: Apo-form ABCC4 / Type: COMPLEX / Entity ID: all / 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 / Humidity: 100 % / Chamber temperature: 278 K

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Electron microscopy imaging

Experimental equipment
Model: Titan Krios / Image courtesy: FEI Company
MicroscopyModel: FEI TITAN KRIOS
Electron gunElectron source: LAB6 / Accelerating voltage: 300 kV / Illumination mode: FLOOD BEAM
Electron lensMode: BRIGHT FIELD / Nominal defocus max: 2000 nm / Nominal defocus min: 1200 nm
Image recordingElectron dose: 60 e/Å2 / Film or detector model: GATAN K3 (6k x 4k)

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Processing

EM softwareName: PHENIX / Version: 1.18.2_3874: / Category: model refinement
CTF correctionType: PHASE FLIPPING AND AMPLITUDE CORRECTION
3D reconstructionResolution: 3.13 Å / Resolution method: DIFFRACTION PATTERN/LAYERLINES / Num. of particles: 392047 / Symmetry type: POINT
Refine LS restraints
Refine-IDTypeDev idealNumber
ELECTRON MICROSCOPYf_bond_d0.0179936
ELECTRON MICROSCOPYf_angle_d1.02113463
ELECTRON MICROSCOPYf_dihedral_angle_d5.8891314
ELECTRON MICROSCOPYf_chiral_restr0.0631561
ELECTRON MICROSCOPYf_plane_restr0.0071673

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