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- EMDB-32162: GAPDH on EG-grid -

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Basic information

Entry
Database: EMDB / ID: EMD-32162
TitleGAPDH on EG-grid
Map data
Sample
  • Complex: Glyceraldehyde-3-phosphate dehydrogenase
    • Protein or peptide: Glyceraldehyde-3-phosphate dehydrogenase
KeywordsGAPDH / Glyceraldehyde-3-phosphate dehydrogenase / HYDROLASE
Function / homology
Function and homology information


peptidyl-cysteine S-trans-nitrosylation / Transferases; Transferring nitrogenous groups; Transferring other nitrogenous groups / peptidyl-cysteine S-nitrosylase activity / killing by host of symbiont cells / glyceraldehyde-3-phosphate dehydrogenase (phosphorylating) / negative regulation of endopeptidase activity / aspartic-type endopeptidase inhibitor activity / glyceraldehyde-3-phosphate dehydrogenase (NAD+) (phosphorylating) activity / Gluconeogenesis / GAIT complex ...peptidyl-cysteine S-trans-nitrosylation / Transferases; Transferring nitrogenous groups; Transferring other nitrogenous groups / peptidyl-cysteine S-nitrosylase activity / killing by host of symbiont cells / glyceraldehyde-3-phosphate dehydrogenase (phosphorylating) / negative regulation of endopeptidase activity / aspartic-type endopeptidase inhibitor activity / glyceraldehyde-3-phosphate dehydrogenase (NAD+) (phosphorylating) activity / Gluconeogenesis / GAIT complex / Glycolysis / positive regulation of type I interferon production / regulation of macroautophagy / defense response to fungus / lipid droplet / positive regulation of cytokine production / glycolytic process / cellular response to type II interferon / microtubule cytoskeleton organization / glucose metabolic process / microtubule cytoskeleton / disordered domain specific binding / NAD binding / antimicrobial humoral immune response mediated by antimicrobial peptide / NADP binding / microtubule binding / nuclear membrane / positive regulation of canonical NF-kappaB signal transduction / neuron apoptotic process / vesicle / killing of cells of another organism / negative regulation of translation / protein stabilization / ribonucleoprotein complex / intracellular membrane-bounded organelle / perinuclear region of cytoplasm / extracellular exosome / identical protein binding / membrane / nucleus / plasma membrane / cytosol / cytoplasm
Similarity search - Function
Glyceraldehyde-3-phosphate dehydrogenase, type I / Glyceraldehyde 3-phosphate dehydrogenase, active site / Glyceraldehyde 3-phosphate dehydrogenase active site. / Glyceraldehyde 3-phosphate dehydrogenase, NAD binding domain / Glyceraldehyde 3-phosphate dehydrogenase, NAD(P) binding domain / Glyceraldehyde 3-phosphate dehydrogenase, catalytic domain / Glyceraldehyde/Erythrose phosphate dehydrogenase family / Glyceraldehyde 3-phosphate dehydrogenase, C-terminal domain / Glyceraldehyde 3-phosphate dehydrogenase, NAD binding domain / NAD(P)-binding domain superfamily
Similarity search - Domain/homology
Glyceraldehyde-3-phosphate dehydrogenase
Similarity search - Component
Biological speciesHomo sapiens (human)
Methodsingle particle reconstruction / cryo EM / Resolution: 2.16 Å
AuthorsFujita J / Makino F / Asahara H / Moriguchi M / Kumano S / Anzai I / Kishikawa J / Matsuura Y / Kato T / Namba K / Inoue T
Funding support Japan, 7 items
OrganizationGrant numberCountry
Japan Science and TechnologyJPMJOP1861 Japan
New Energy and Industrial Technology Development Organization (NEDO)16102003-0 Japan
New Energy and Industrial Technology Development Organization (NEDO)17101509-0 Japan
Japan Society for the Promotion of Science (JSPS)JP25000013 Japan
Japan Society for the Promotion of Science (JSPS)JP20K22630 Japan
Japan Agency for Medical Research and Development (AMED)JP19am0101117 Japan
Japan Agency for Medical Research and Development (AMED)JP17pc0101020 Japan
CitationJournal: Sci Rep / Year: 2023
Title: Epoxidized graphene grid for highly efficient high-resolution cryoEM structural analysis.
Authors: Junso Fujita / Fumiaki Makino / Haruyasu Asahara / Maiko Moriguchi / Shota Kumano / Itsuki Anzai / Jun-Ichi Kishikawa / Yoshiharu Matsuura / Takayuki Kato / Keiichi Namba / Tsuyoshi Inoue /
Abstract: Functionalization of graphene is one of the most important fundamental technologies in a wide variety of fields including industry and biochemistry. We have successfully achieved a novel oxidative ...Functionalization of graphene is one of the most important fundamental technologies in a wide variety of fields including industry and biochemistry. We have successfully achieved a novel oxidative modification of graphene using photoactivated ClO as a mild oxidant and confirmed the oxidized graphene grid is storable with its functionality for at least three months under N atmosphere. Subsequent chemical functionalization enabled us to develop an epoxidized graphene grid (EG-grid™), which effectively adsorbs protein particles for electron cryomicroscopy (cryoEM) image analysis. The EG-grid dramatically improved the particle density and orientation distribution. The density maps of GroEL and glyceraldehyde 3-phosphate dehydrogenase (GAPDH) were reconstructed at 1.99 and 2.16 Å resolution from only 504 and 241 micrographs, respectively. A sample solution of 0.1 mg ml was sufficient to reconstruct a 3.10 Å resolution map of SARS-CoV-2 spike protein from 1163 micrographs. The map resolutions of β-galactosidase and apoferritin easily reached 1.81 Å and 1.29 Å resolution, respectively, indicating its atomic-resolution imaging capability. Thus, the EG-grid will be an extremely powerful tool for highly efficient high-resolution cryoEM structural analysis of biological macromolecules.
History
DepositionNov 11, 2021-
Header (metadata) releaseNov 16, 2022-
Map releaseNov 16, 2022-
UpdateDec 13, 2023-
Current statusDec 13, 2023Processing site: PDBj / Status: Released

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Structure visualization

Supplemental images

emd_32162.png

Downloads & links

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Map

FileDownload / File: emd_32162.map.gz / Format: CCP4 / Size: 103 MB / Type: IMAGE STORED AS FLOATING POINT NUMBER (4 BYTES)
Projections & slices

Image control

Size
Brightness
Contrast
Others
AxesZ (Sec.)Y (Row.)X (Col.)
0.81 Å/pix.
x 300 pix.
= 243.9 Å		0.81 Å/pix.
x 300 pix.
= 243.9 Å		0.81 Å/pix.
x 300 pix.
= 243.9 Å

Surface

Projections

Slices (1/3)

Slices (1/2)

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Images are generated by Spider.

Voxel sizeX=Y=Z: 0.813 Å
Density

Histogram

Histogram (log scale)
Contour LevelBy AUTHOR: 0.02
Minimum - Maximum-0.06457378 - 0.13725333
Average (Standard dev.)0.00007404458 (±0.0028819784)
SymmetrySpace group: 1
Details

EMDB XML:

Map geometry
Axis orderXYZ
Origin000
Dimensions300300300
Spacing300300300
CellA=B=C: 243.90001 Å
α=β=γ: 90.0 °

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Supplemental data

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Mask #1

Fileemd_32162_msk_1.map
Projections & Slices
AxesZYX

Projections

Slices (1/2)
Density Histograms

Histogram

Histogram (log scale)

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Additional map: Locally filtered map

Fileemd_32162_additional_1.map
AnnotationLocally filtered map
Projections & Slices
AxesZYX

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Density Histograms

Histogram

Histogram (log scale)

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Half map: #1

Fileemd_32162_half_map_1.map
Projections & Slices
AxesZYX

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Density Histograms

Histogram

Histogram (log scale)

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Half map: #2

Fileemd_32162_half_map_2.map
Projections & Slices
AxesZYX

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Slices (1/2)
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Histogram

Histogram (log scale)

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Sample components

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Entire : Glyceraldehyde-3-phosphate dehydrogenase

EntireName: Glyceraldehyde-3-phosphate dehydrogenase
Components
  • Complex: Glyceraldehyde-3-phosphate dehydrogenase
    • Protein or peptide: Glyceraldehyde-3-phosphate dehydrogenase

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Supramolecule #1: Glyceraldehyde-3-phosphate dehydrogenase

SupramoleculeName: Glyceraldehyde-3-phosphate dehydrogenase / type: complex / ID: 1 / Parent: 0 / Macromolecule list: all
Source (natural)Organism: Homo sapiens (human)

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Macromolecule #1: Glyceraldehyde-3-phosphate dehydrogenase

MacromoleculeName: Glyceraldehyde-3-phosphate dehydrogenase / type: protein_or_peptide / ID: 1 / Enantiomer: LEVO
Source (natural)Organism: Homo sapiens (human)
Recombinant expressionOrganism: Escherichia coli (E. coli)
SequenceString: GMGKVKVGVN GFGRIGRLVT RAAFNSGKVD IVAINDPFID LNYMVYMFQY DSTHGKFHGT VKAENGKLVI NGNPITIFQE RDPSKIKWGD AGAEYVVEST GVFTTMEKAG AHLQGGAKRV IISAPSADAP MFVMGVNHEK YDNSLKIISN ASCTTNCLAP LAKVIHDNFG ...String:
GMGKVKVGVN GFGRIGRLVT RAAFNSGKVD IVAINDPFID LNYMVYMFQY DSTHGKFHGT VKAENGKLVI NGNPITIFQE RDPSKIKWGD AGAEYVVEST GVFTTMEKAG AHLQGGAKRV IISAPSADAP MFVMGVNHEK YDNSLKIISN ASCTTNCLAP LAKVIHDNFG IVEGLMTTVH AITATQKTVD GPSGKLWRDG RGALQNIIPA STGAAKAVGK VIPELNGKLT GMAFRVPTAN VSVVDLTCRL EKPAKYDDIK KVVKQASEGP LKGILGYTEH QVVSSDFNSD THSSTFDAGA GIALNDHFVK LISWYDNEFG YSNRVVDLMA HMASKE

UniProtKB: Glyceraldehyde-3-phosphate dehydrogenase

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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

Concentration0.5 mg/mL
BufferpH: 8
Component:
ConcentrationFormula
20.0 mMTris-HCl
30.0 mMNaCl
1.0 mMTCEP
GridModel: Quantifoil R1.2/1.3 / Material: GOLD / Mesh: 200 / Support film - Material: GRAPHENE
Details: The graphene grid was chemically oxidized and modified.
VitrificationCryogen name: ETHANE / Instrument: FEI VITROBOT MARK IV

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Electron microscopy

MicroscopeJEOL CRYO ARM 300
Specialist opticsEnergy filter - Name: In-column Omega Filter / Energy filter - Slit width: 20 eV
Image recordingFilm or detector model: GATAN K3 (6k x 4k) / Number grids imaged: 1 / Average exposure time: 2.8 sec. / Average electron dose: 40.0 e/Å2
Electron beamAcceleration voltage: 300 kV / Electron source: FIELD EMISSION GUN
Electron opticsC2 aperture diameter: 50.0 µm / Illumination mode: FLOOD BEAM / Imaging mode: BRIGHT FIELD / Cs: 2.7 mm / Nominal defocus max: 2.0 µm / Nominal defocus min: 0.5 µm / Nominal magnification: 60000
Sample stageSpecimen holder model: JEOL CRYOSPECPORTER / Cooling holder cryogen: NITROGEN

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Image processing

Particle selectionNumber selected: 301451
Startup modelType of model: NONE
Final reconstructionApplied symmetry - Point group: D2 (2x2 fold dihedral) / Algorithm: FOURIER SPACE / Resolution.type: BY AUTHOR / Resolution: 2.16 Å / Resolution method: FSC 0.143 CUT-OFF / Software - Name: RELION (ver. 3.1) / Number images used: 88731
Initial angle assignmentType: MAXIMUM LIKELIHOOD / Software - Name: RELION (ver. 3.1)
Final angle assignmentType: MAXIMUM LIKELIHOOD / Software - Name: RELION (ver. 3.1)
FSC plot (resolution estimation)

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