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- EMDB-26487: Asp-bound GltPh RSMR mutant in IFS-A1 state -

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Open data


ID or keywords:

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Basic information

Entry
Database: EMDB / ID: EMD-26487
TitleAsp-bound GltPh RSMR mutant in IFS-A1 state
Map dataAsp-bound GltPh RSMR mutant in IFS-A1 state
Sample
  • Complex: GltPh
    • Protein or peptide: Glutamate transporter homolog
  • Ligand: ASPARTIC ACID
  • Ligand: SODIUM IONSodium
Function / homology
Function and homology information


amino acid:sodium symporter activity / L-aspartate transmembrane transport / L-aspartate transmembrane transporter activity / L-aspartate import across plasma membrane / chloride transmembrane transporter activity / protein homotrimerization / chloride transmembrane transport / identical protein binding / metal ion binding / plasma membrane
Similarity search - Function
Sodium:dicarboxylate symporter / Sodium:dicarboxylate symporter, conserved site / Sodium:dicarboxylate symporter superfamily / Sodium:dicarboxylate symporter family / Sodium:dicarboxylate symporter family signature 1.
Similarity search - Domain/homology
Glutamate transporter homolog
Similarity search - Component
Biological speciesPyrococcus horikoshii (archaea)
Methodsingle particle reconstruction / cryo EM / Resolution: 2.95 Å
AuthorsHuang Y / Boudker O
Funding support United States, 2 items
OrganizationGrant numberCountry
Howard Hughes Medical Institute (HHMI) United States
National Institutes of Health/National Institute of Neurological Disorders and Stroke (NIH/NINDS)R37NS085318 United States
CitationJournal: J.Am.Chem.Soc. / Year: 2023
Title: Environmentally Ultrasensitive Fluorine Probe to Resolve Protein Conformational Ensembles by 19F NMR and Cryo-EM
Authors: Huang Y / Reddy KD / Bracken C / Qiu B / Zhan W / Eliezer D / Boudker O
History
DepositionMar 24, 2022-
Header (metadata) releaseMar 29, 2023-
Map releaseMar 29, 2023-
UpdateMay 10, 2023-
Current statusMay 10, 2023Processing site: RCSB / Status: Released

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Structure visualization

Supplemental images

emd_26487.png

Downloads & links

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Map

FileDownload / File: emd_26487.map.gz / Format: CCP4 / Size: 166.4 MB / Type: IMAGE STORED AS FLOATING POINT NUMBER (4 BYTES)
AnnotationAsp-bound GltPh RSMR mutant in IFS-A1 state
Voxel sizeX=Y=Z: 0.852 Å
Density
Contour LevelBy AUTHOR: 0.439
Minimum - Maximum-0.8027253 - 1.7024987
Average (Standard dev.)0.0025262057 (±0.035953175)
SymmetrySpace group: 1
Details

EMDB XML:

Map geometry
Axis orderXYZ
Origin000
Dimensions352352352
Spacing352352352
CellA=B=C: 299.904 Å
α=β=γ: 90.0 °

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Supplemental data

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Half map: Half Map 1

Fileemd_26487_half_map_1.map
AnnotationHalf Map 1
Projections & Slices
AxesZYX

Projections

Slices (1/2)
Density Histograms

Histogram

Histogram (log scale)

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Half map: Half Map 2

Fileemd_26487_half_map_2.map
AnnotationHalf Map 2
Projections & Slices
AxesZYX

Projections

Slices (1/2)
Density Histograms

Histogram

Histogram (log scale)

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Sample components

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Entire : GltPh

EntireName: GltPh
Components
  • Complex: GltPh
    • Protein or peptide: Glutamate transporter homolog
  • Ligand: ASPARTIC ACID
  • Ligand: SODIUM IONSodium

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Supramolecule #1: GltPh

SupramoleculeName: GltPh / type: complex / ID: 1 / Chimera: Yes / Parent: 0 / Macromolecule list: #1
Source (natural)Organism: Pyrococcus horikoshii (archaea)

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Macromolecule #1: Glutamate transporter homolog

MacromoleculeName: Glutamate transporter homolog / type: protein_or_peptide / ID: 1 / Number of copies: 1 / Enantiomer: LEVO
Source (natural)Organism: Pyrococcus horikoshii (archaea)
Strain: ATCC 700860 / DSM 12428 / JCM 9974 / NBRC 100139 / OT-3
Molecular weightTheoretical: 44.13323 KDa
Recombinant expressionOrganism: Escherichia coli (E. coli)
SequenceString: MGLYRKYIEY PVLQKILIGL ILGAIVGLIL GHYGYAHAVH TYVKPFGDLF VRLLKMLVMP IVFASLVVGA ASISPARLGR VGVKIVVYY LLTSAFAVTL GIIMARLFNP GAGIHLAVGG QQFQPHQAPP LVHILLDIVP TNPFGALANG QVLPTIFFAI I LGIAITYL ...String:
MGLYRKYIEY PVLQKILIGL ILGAIVGLIL GHYGYAHAVH TYVKPFGDLF VRLLKMLVMP IVFASLVVGA ASISPARLGR VGVKIVVYY LLTSAFAVTL GIIMARLFNP GAGIHLAVGG QQFQPHQAPP LVHILLDIVP TNPFGALANG QVLPTIFFAI I LGIAITYL MNSENEKVRK SAETLLDAIN GLAEAMYKIV NGVMQYAPIG VFALIAHVMA HQGVHVVGEL AKVTAAVYVG LT LQILLVY FVLLKIYGID PISFIKHAKD AMLTAFVTSS SSGTLPVTMR VAKEMGISEG IYSFTLPLGA TINMDGTALY QGV ATFFIA NALGSHLTVG QQLTIVLTAV LASIGTAGVP GAGAIMLAMV LHSVGLPLTD PNVAAAYA(EFC)I LGIDAILDRG RTMVNVTGD LTGTAIVAKT EGT

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Macromolecule #2: ASPARTIC ACID

MacromoleculeName: ASPARTIC ACID / type: ligand / ID: 2 / Number of copies: 1 / Formula: ASP
Molecular weightTheoretical: 133.103 Da
Chemical component information

ChemComp-ASP:
ASPARTIC ACID / Aspartic acid

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Macromolecule #3: SODIUM ION

MacromoleculeName: SODIUM ION / type: ligand / ID: 3 / Number of copies: 3
Molecular weightTheoretical: 22.99 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

Concentration4.5 mg/mL
BufferpH: 7.4
VitrificationCryogen name: ETHANE

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Electron microscopy

MicroscopeFEI TITAN KRIOS
Electron beamAcceleration voltage: 300 kV / Electron source: FIELD EMISSION GUN
Electron opticsIllumination mode: FLOOD BEAM / Imaging mode: BRIGHT FIELDBright-field microscopy / Nominal defocus max: 1.5 µm / Nominal defocus min: 1.3 µm
Image recordingFilm or detector model: GATAN K3 BIOQUANTUM (6k x 4k) / Average electron dose: 50.94 e/Å2
Experimental equipment
Model: Titan Krios / Image courtesy: FEI Company

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Image processing

Startup modelType of model: PDB ENTRY
PDB model - PDB ID:

3kbc

Initial angle assignmentType: MAXIMUM LIKELIHOOD
Final angle assignmentType: MAXIMUM LIKELIHOOD
Final reconstructionResolution.type: BY AUTHOR / Resolution: 2.95 Å / Resolution method: FSC 0.143 CUT-OFF / Number images used: 272276
FSC plot (resolution estimation)

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Atomic model buiding 1

RefinementProtocol: FLEXIBLE FIT
Output model

PDB-7ugd:
Asp-bound GltPh RSMR mutant in IFS-A1 state

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