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- EMDB-41187: Cryo-EM structure of Arabidopsis thaliana Bor1 in lauryl maltose ... -

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Basic information

Entry
Database: EMDB / ID: EMD-41187
TitleCryo-EM structure of Arabidopsis thaliana Bor1 in lauryl maltose neopentyl glycol (LMNG)
Map data
Sample
  • Complex: Arabidopsis thaliana Boron transporter 1
    • Protein or peptide: Boron transporter 1
  • Ligand: (2S)-3-(hexadecanoyloxy)-2-[(9Z)-octadec-9-enoyloxy]propyl 2-(trimethylammonio)ethyl phosphate
  • Ligand: water
KeywordsBorate transporter / Bor1 / TRANSPORT PROTEIN
Function / homology
Function and homology information


borate transmembrane transport / response to boron-containing substance / cellular response to boron-containing substance levels / active borate transmembrane transporter activity / monoatomic ion homeostasis / solute:inorganic anion antiporter activity / monoatomic anion transport / vacuolar membrane / transmembrane transport / endosome membrane / plasma membrane
Similarity search - Function
Bicarbonate transporter, eukaryotic / Bicarbonate transporter-like, transmembrane domain / HCO3- transporter integral membrane domain
Similarity search - Domain/homology
Biological speciesArabidopsis thaliana (thale cress)
Methodsingle particle reconstruction / cryo EM / Resolution: 2.58 Å
AuthorsJiang Y / Jiang J
Funding support United States, 1 items
OrganizationGrant numberCountry
National Institutes of Health/National Heart, Lung, and Blood Institute (NIH/NHLBI) United States
CitationJournal: To Be Published
Title: Structure of borate transporter Bor1 reveals a novel auto-inhibition mechanism for the SLC4 family
Authors: Jiang Y / Jiang J
History
DepositionJul 6, 2023-
Header (metadata) releaseJul 10, 2024-
Map releaseJul 10, 2024-
UpdateJul 10, 2024-
Current statusJul 10, 2024Processing site: RCSB / Status: Released

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Structure visualization

Supplemental images

emd_41187.png

Downloads & links

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Map

FileDownload / File: emd_41187.map.gz / Format: CCP4 / Size: 125 MB / Type: IMAGE STORED AS FLOATING POINT NUMBER (4 BYTES)
Projections & slices

Image control

Size
Brightness
Contrast
Others
AxesZ (Sec.)Y (Row.)X (Col.)
0.83 Å/pix.
x 320 pix.
= 265.6 Å		0.83 Å/pix.
x 320 pix.
= 265.6 Å		0.83 Å/pix.
x 320 pix.
= 265.6 Å

Surface

Projections

Slices (1/3)

Slices (1/2)

Slices (2/3)

Images are generated by Spider.

Voxel sizeX=Y=Z: 0.83 Å
Density

Histogram

Histogram (log scale)
Contour LevelBy AUTHOR: 0.02
Minimum - Maximum-0.052466717 - 0.09106115
Average (Standard dev.)0.0000107252645 (±0.0027022255)
SymmetrySpace group: 1
Details

EMDB XML:

Map geometry
Axis orderXYZ
Origin000
Dimensions320320320
Spacing320320320
CellA=B=C: 265.6 Å
α=β=γ: 90.0 °

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Supplemental data

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Half map: #1

Fileemd_41187_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_41187_half_map_2.map
Projections & Slices
AxesZYX

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Density Histograms

Histogram

Histogram (log scale)

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Sample components

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Entire : Arabidopsis thaliana Boron transporter 1

EntireName: Arabidopsis thaliana Boron transporter 1
Components
  • Complex: Arabidopsis thaliana Boron transporter 1
    • Protein or peptide: Boron transporter 1
  • Ligand: (2S)-3-(hexadecanoyloxy)-2-[(9Z)-octadec-9-enoyloxy]propyl 2-(trimethylammonio)ethyl phosphate
  • Ligand: water

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Supramolecule #1: Arabidopsis thaliana Boron transporter 1

SupramoleculeName: Arabidopsis thaliana Boron transporter 1 / type: complex / ID: 1 / Parent: 0 / Macromolecule list: #1
Source (natural)Organism: Arabidopsis thaliana (thale cress)

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Macromolecule #1: Boron transporter 1

MacromoleculeName: Boron transporter 1 / type: protein_or_peptide / ID: 1 / Number of copies: 2 / Enantiomer: LEVO
Source (natural)Organism: Arabidopsis thaliana (thale cress)
Molecular weightTheoretical: 80.056992 KDa
Recombinant expressionOrganism: Saccharomyces cerevisiae (brewer's yeast)
SequenceString: MEETFVPFEG IKNDLKGRLM CYKQDWTGGF KAGFRILAPT TYIFFASAIP VISFGEQLER STDGVLTAVQ TLASTAICGM IHSIIGGQP LLILGVAEPT VIMYTFMFNF AKARPELGRD LFLAWSGWVC VWTALMLFVL AICGACSIIN RFTRVAGELF G LLIAMLFM ...String:
MEETFVPFEG IKNDLKGRLM CYKQDWTGGF KAGFRILAPT TYIFFASAIP VISFGEQLER STDGVLTAVQ TLASTAICGM IHSIIGGQP LLILGVAEPT VIMYTFMFNF AKARPELGRD LFLAWSGWVC VWTALMLFVL AICGACSIIN RFTRVAGELF G LLIAMLFM QQAIKGLVDE FRIPERENQK LKEFLPSWRF ANGMFALVLS FGLLLTGLRS RKARSWRYGT GWLRSLIADY GV PLMVLVW TGVSYIPAGD VPKGIPRRLF SPNPWSPGAY GNWTVVKEML DVPIVYIIGA FIPASMIAVL YYFDHSVASQ LAQ QKEFNL RKPSSYHYDL LLLGFLTLMC GLLGVPPSNG VIPQSPMHTK SLATLKYQLL RNRLVATARR SIKTNASLGQ LYDN MQEAY HHMQTPLVYQ QPQGLKELKE STIQATTFTG NLNAPVDETL FDIEKEIDDL LPVEVKEQRV SNLLQSTMVG GCVAA MPIL KMIPTSVLWG YFAFMAIESL PGNQFWERIL LLFTAPSRRF KVLEDYHATF VETVPFKTIA MFTLFQTTYL LICFGL TWI PIAGVMFPLM IMFLIPVRQY LLPRFFKGAH LQDLDAAEYE EAPALPFNLA AETEIGSTTS YPGDLEILDE VMTRSRG EF RHTSSPKVTS SSSTPVNNRS LSQVFSPRVS GIRLGQMSPR VVGNSPKPAS CGRSPLNQSS SNHHHHHHHH HH

UniProtKB: Boron transporter 1

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Macromolecule #2: (2S)-3-(hexadecanoyloxy)-2-[(9Z)-octadec-9-enoyloxy]propyl 2-(tri...

MacromoleculeName: (2S)-3-(hexadecanoyloxy)-2-[(9Z)-octadec-9-enoyloxy]propyl 2-(trimethylammonio)ethyl phosphate
type: ligand / ID: 2 / Number of copies: 24 / Formula: POV
Molecular weightTheoretical: 760.076 Da
Chemical component information

ChemComp-POV:
(2S)-3-(hexadecanoyloxy)-2-[(9Z)-octadec-9-enoyloxy]propyl 2-(trimethylammonio)ethyl phosphate / phospholipid*YM

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Macromolecule #3: water

MacromoleculeName: water / type: ligand / ID: 3 / Number of copies: 214 / Formula: HOH
Molecular weightTheoretical: 18.015 Da
Chemical component information

ChemComp-HOH:
WATER

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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: 6.5
VitrificationCryogen name: ETHANE

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Electron microscopy

MicroscopeFEI TITAN KRIOS
Image recordingFilm or detector model: GATAN K2 SUMMIT (4k x 4k) / Average electron dose: 55.0 e/Å2
Electron beamAcceleration voltage: 300 kV / Electron source: OTHER
Electron opticsIllumination mode: OTHER / Imaging mode: BRIGHT FIELD / Nominal defocus max: 2.5 µm / Nominal defocus min: 0.8 µm
Experimental equipment
Model: Titan Krios / Image courtesy: FEI Company

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Image processing

Startup modelType of model: NONE
Final reconstructionResolution.type: BY AUTHOR / Resolution: 2.58 Å / Resolution method: FSC 0.143 CUT-OFF / Software - Name: RELION / Number images used: 156604
Initial angle assignmentType: NOT APPLICABLE
Final angle assignmentType: NOT APPLICABLE
FSC plot (resolution estimation)

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