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- EMDB-37899: Cryo-EM structure of human SLC15A4 (outward-facing open) -

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Basic information

Entry
Database: EMDB / ID: EMD-37899
TitleCryo-EM structure of human SLC15A4 (outward-facing open)
Map dataB-factor sharpened map
Sample
  • Complex: Human SLC15A4
    • Protein or peptide: Solute carrier family 15 member 4
KeywordsTransporter / MEMBRANE PROTEIN
Function / homology
Function and homology information


L-histidine transmembrane transporter activity / histidine transport / mast cell homeostasis / L-histidine transmembrane export from vacuole / peptidoglycan transmembrane transporter activity / peptidoglycan transport / Proton/oligopeptide cotransporters / positive regulation of toll-like receptor 8 signaling pathway / regulation of isotype switching to IgG isotypes / positive regulation of nucleotide-binding oligomerization domain containing 1 signaling pathway ...L-histidine transmembrane transporter activity / histidine transport / mast cell homeostasis / L-histidine transmembrane export from vacuole / peptidoglycan transmembrane transporter activity / peptidoglycan transport / Proton/oligopeptide cotransporters / positive regulation of toll-like receptor 8 signaling pathway / regulation of isotype switching to IgG isotypes / positive regulation of nucleotide-binding oligomerization domain containing 1 signaling pathway / dipeptide import across plasma membrane / positive regulation of toll-like receptor 7 signaling pathway / peptide:proton symporter activity / dipeptide transmembrane transporter activity / positive regulation of toll-like receptor 9 signaling pathway / positive regulation of nucleotide-binding oligomerization domain containing 2 signaling pathway / regulation of nucleotide-binding domain, leucine rich repeat containing receptor signaling pathway / endolysosome membrane / positive regulation of innate immune response / specific granule membrane / monoatomic ion transport / protein transport / early endosome membrane / lysosomal membrane / innate immune response / Neutrophil degranulation / membrane / plasma membrane
Similarity search - Function
PTR2 family proton/oligopeptide symporters signature 2. / PTR2 family proton/oligopeptide symporter, conserved site / Proton-dependent oligopeptide transporter family / POT family / MFS transporter superfamily
Similarity search - Domain/homology
Solute carrier family 15 member 4
Similarity search - Component
Biological speciesHomo sapiens (human)
Methodsingle particle reconstruction / cryo EM / Resolution: 2.83 Å
AuthorsSakaniwa K / Zhang Z / Ohto U / Shimizu T
Funding support1 items
OrganizationGrant numberCountry
Not funded
CitationJournal: To Be Published
Title: Cryo-EM structure of human SLC15A4 (outward-facing open)
Authors: Zhang Z / Kasai S / Sakaniwa K / Fujimura A / Ohto U / Shimizu T
History
DepositionOct 27, 2023-
Header (metadata) releaseDec 6, 2023-
Map releaseDec 6, 2023-
UpdateDec 6, 2023-
Current statusDec 6, 2023Processing site: PDBj / Status: Released

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Structure visualization

Supplemental images

emd_37899.png

Downloads & links

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Map

FileDownload / File: emd_37899.map.gz / Format: CCP4 / Size: 30.5 MB / Type: IMAGE STORED AS FLOATING POINT NUMBER (4 BYTES)
AnnotationB-factor sharpened map
Voxel sizeX=Y=Z: 1.245 Å
Density
Contour LevelBy AUTHOR: 0.04
Minimum - Maximum-0.18863429 - 0.28856847
Average (Standard dev.)0.00002287505 (±0.010157531)
SymmetrySpace group: 1
Details

EMDB XML:

Map geometry
Axis orderXYZ
Origin000
Dimensions200200200
Spacing200200200
CellA=B=C: 249.0 Å
α=β=γ: 90.0 °

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Supplemental data

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Additional map: Unsharpened map

Fileemd_37899_additional_1.map
AnnotationUnsharpened map
Projections & Slices
AxesZYX

Projections

Slices (1/2)
Density Histograms

Histogram

Histogram (log scale)

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Half map: #1

Fileemd_37899_half_map_1.map
Projections & Slices
AxesZYX

Projections

Slices (1/2)
Density Histograms

Histogram

Histogram (log scale)

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Half map: #2

Fileemd_37899_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 : Human SLC15A4

EntireName: Human SLC15A4
Components
  • Complex: Human SLC15A4
    • Protein or peptide: Solute carrier family 15 member 4

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Supramolecule #1: Human SLC15A4

SupramoleculeName: Human SLC15A4 / type: complex / ID: 1 / Parent: 0 / Macromolecule list: all
Source (natural)Organism: Homo sapiens (human)

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Macromolecule #1: Solute carrier family 15 member 4

MacromoleculeName: Solute carrier family 15 member 4 / type: protein_or_peptide / ID: 1 / Number of copies: 2 / Enantiomer: LEVO
Source (natural)Organism: Homo sapiens (human)
Molecular weightTheoretical: 64.856176 KDa
Recombinant expressionOrganism: Homo sapiens (human)
SequenceString: MEGSGGGAGE RAPLLGARRA AAAAAAAGAF AGRRAACGAV LLTELLERAA FYGITSNLVL FLNGAPFCWE GAQASEALLL FMGLTYLGS PFGGWLADAR LGRARAILLS LALYLLGMLA FPLLAAPATR AALCGSARLL NCTAPGPDAA ARCCSPATFA G LVLVGLGV ...String:
MEGSGGGAGE RAPLLGARRA AAAAAAAGAF AGRRAACGAV LLTELLERAA FYGITSNLVL FLNGAPFCWE GAQASEALLL FMGLTYLGS PFGGWLADAR LGRARAILLS LALYLLGMLA FPLLAAPATR AALCGSARLL NCTAPGPDAA ARCCSPATFA G LVLVGLGV ATVKANITPF GADQVKDRGP EATRRFFNWF YWSINLGAIL SLGGIAYIQQ NVSFVTGYAI PTVCVGLAFV VF LCGQSVF ITKPPDGSAF TDMFKILTYS CCSQKRSGER QSNGEGIGVF QQSSKQSLFD SCKMSHGGPF TEEKVEDVKA LVK IVPVFL ALIPYWTVYF QMQTTYVLQS LHLRIPEISN ITTTPHTLPA AWLTMFDAVL ILLLIPLKDK LVDPILRRHG LLPS SLKRI AVGMFFVMCS AFAAGILESK RLNLVKEKTI NQTIGNVVYH AADLSLWWQV PQYLLIGISE IFASIAGLEF AYSAA PKSM QSAIMGLFFF FSGVGSFVGS GLLALVSIKA IGWMSSHTDF GNINGCYLNY YFFLLAAIQG ATLLLFLIIS VKYDHH RDH QRSRANGVPT SRRAGSIEGR IVKDYKDDDD KHHHHHH

UniProtKB: Solute carrier family 15 member 4

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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

BufferpH: 7.5
VitrificationCryogen name: ETHANE

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Electron microscopy

MicroscopeTFS KRIOS
Electron beamAcceleration voltage: 300 kV / Electron source: FIELD EMISSION GUN
Electron opticsIllumination mode: OTHER / Imaging mode: BRIGHT FIELDBright-field microscopy / Nominal defocus max: 2.0 µm / Nominal defocus min: 0.8 µm
Image recordingFilm or detector model: GATAN K3 BIOQUANTUM (6k x 4k) / Average electron dose: 58.0 e/Å2
Experimental equipment
Model: Titan Krios / Image courtesy: FEI Company

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Image processing

Startup modelType of model: NONE
Initial angle assignmentType: NOT APPLICABLE
Final angle assignmentType: NOT APPLICABLE
Final reconstructionResolution.type: BY AUTHOR / Resolution: 2.83 Å / Resolution method: FSC 0.143 CUT-OFF / Number images used: 41843

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