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- EMDB-17112: Structure of apo form of human gamma-secretase PSEN1 APH-1B isofo... -

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Basic information

Entry
Database: EMDB / ID: EMD-17112
TitleStructure of apo form of human gamma-secretase PSEN1 APH-1B isoform reconstituted into lipid nanodisc
Map dataLocal resolution filtered masked map after pixel size calibration
Sample
  • Complex: Gamma secretase
    • Protein or peptide: Nicastrin
    • Protein or peptide: Presenilin-1 CTF12
    • Protein or peptide: Gamma-secretase subunit APH-1BGamma secretase
    • Protein or peptide: Gamma-secretase subunit PEN-2Gamma secretase
  • Ligand: 2-acetamido-2-deoxy-beta-D-glucopyranose
  • Ligand: 1,2-DIACYL-SN-GLYCERO-3-PHOSPHOCHOLINE
Keywordsintramembrane proteolysis / protease / di-aspartyl protease / Alzheimer's disease / complex / MEMBRANE PROTEIN
Function / homology
Function and homology information


Cajal-Retzius cell differentiation / positive regulation of L-glutamate import across plasma membrane / amyloid precursor protein biosynthetic process / positive regulation of coagulation / protein catabolic process at postsynapse / negative regulation of core promoter binding / gamma-secretase complex / aspartic endopeptidase activity, intramembrane cleaving / short-term synaptic potentiation / positive regulation of amyloid precursor protein biosynthetic process ...Cajal-Retzius cell differentiation / positive regulation of L-glutamate import across plasma membrane / amyloid precursor protein biosynthetic process / positive regulation of coagulation / protein catabolic process at postsynapse / negative regulation of core promoter binding / gamma-secretase complex / aspartic endopeptidase activity, intramembrane cleaving / short-term synaptic potentiation / positive regulation of amyloid precursor protein biosynthetic process / Noncanonical activation of NOTCH3 / positive regulation of endopeptidase activity / choline transport / Notch receptor processing / sequestering of calcium ion / central nervous system myelination / synaptic vesicle targeting / membrane protein intracellular domain proteolysis / negative regulation of axonogenesis / regulation of resting membrane potential / T cell activation involved in immune response / NOTCH4 Activation and Transmission of Signal to the Nucleus / skin morphogenesis / growth factor receptor binding / neural retina development / dorsal/ventral neural tube patterning / regulation of synaptic vesicle cycle / L-glutamate import across plasma membrane / myeloid dendritic cell differentiation / Regulated proteolysis of p75NTR / regulation of phosphorylation / locomotion / brain morphogenesis / glutamate receptor signaling pathway / endoplasmic reticulum calcium ion homeostasis / nuclear outer membrane / smooth endoplasmic reticulum calcium ion homeostasis / amyloid precursor protein metabolic process / astrocyte activation involved in immune response / regulation of canonical Wnt signaling pathway / aggresome / regulation of long-term synaptic potentiation / embryonic limb morphogenesis / skeletal system morphogenesis / cell fate specification / regulation of postsynapse organization / ciliary rootlet / myeloid cell homeostasis / azurophil granule membrane / dopamine receptor signaling pathway / Hydrolases; Acting on peptide bonds (peptidases); Aspartic endopeptidases / Golgi cisterna membrane / positive regulation of amyloid fibril formation / adult behavior / positive regulation of receptor recycling / positive regulation of dendritic spine development / mitochondrial transport / positive regulation of catalytic activity / regulation of neuron projection development / heart looping / blood vessel development / amyloid precursor protein catabolic process / cerebral cortex cell migration / smooth endoplasmic reticulum / protein glycosylation / amyloid-beta formation / autophagosome assembly / negative regulation of apoptotic signaling pathway / membrane protein ectodomain proteolysis / endopeptidase activator activity / EPH-ephrin mediated repulsion of cells / neuron development / rough endoplasmic reticulum / hematopoietic progenitor cell differentiation / somitogenesis / amyloid-beta metabolic process / T cell proliferation / Nuclear signaling by ERBB4 / Notch signaling pathway / negative regulation of ubiquitin-dependent protein catabolic process / regulation of synaptic transmission, glutamatergic / transport vesicle / NOTCH2 Activation and Transmission of Signal to the Nucleus / cellular response to calcium ion / neuron projection maintenance / Degradation of the extracellular matrix / NRIF signals cell death from the nucleus / Activated NOTCH1 Transmits Signal to the Nucleus / positive regulation of glycolytic process / cerebellum development / post-embryonic development / thymus development / dendritic shaft / negative regulation of protein phosphorylation / epithelial cell proliferation / PDZ domain binding / NOTCH3 Activation and Transmission of Signal to the Nucleus / astrocyte activation / apoptotic signaling pathway / synapse organization
Similarity search - Function
Peptidase A22A, presenilin 1 / Gamma-secretase subunit Aph-1 / Gamma-secretase aspartyl protease complex, presenilin enhancer-2 subunit / Aph-1 protein / Presenilin enhancer-2 subunit of gamma secretase / Peptidase A22A, presenilin / Presenilin, C-terminal / Presenilin / Nicastrin / Nicastrin, small lobe ...Peptidase A22A, presenilin 1 / Gamma-secretase subunit Aph-1 / Gamma-secretase aspartyl protease complex, presenilin enhancer-2 subunit / Aph-1 protein / Presenilin enhancer-2 subunit of gamma secretase / Peptidase A22A, presenilin / Presenilin, C-terminal / Presenilin / Nicastrin / Nicastrin, small lobe / Nicastrin / Nicastrin small lobe / Presenilin/signal peptide peptidase / Presenilin, signal peptide peptidase, family
Similarity search - Domain/homology
Presenilin-1 / Gamma-secretase subunit APH-1B / Nicastrin / Gamma-secretase subunit PEN-2
Similarity search - Component
Biological speciesHomo sapiens (human)
Methodsingle particle reconstruction / cryo EM / Resolution: 3.3 Å
AuthorsOdorcic I / Chavez Gutierrez L / Efremov RG
Funding support Belgium, 4 items
OrganizationGrant numberCountry
Research Foundation - Flanders (FWO)G0B2519N Belgium
Research Foundation - Flanders (FWO)G008023N Belgium
Research Foundation - Flanders (FWO)G0H5916N Belgium
Research Foundation - Flanders (FWO)G054617N Belgium
CitationJournal: To Be Published
Title: Complex of human APH-1B isoform of gamma-secretase with Amyloid-beta in lipid environment suggests substrate shifting as the mechanism of sequential cleavage
Authors: Odorcic I
History
DepositionApr 12, 2023-
Header (metadata) releaseApr 24, 2024-
Map releaseApr 24, 2024-
UpdateApr 24, 2024-
Current statusApr 24, 2024Processing site: PDBe / Status: Released

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Structure visualization

Supplemental images

emd_17112.png

Downloads & links

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Map

FileDownload / File: emd_17112.map.gz / Format: CCP4 / Size: 125 MB / Type: IMAGE STORED AS FLOATING POINT NUMBER (4 BYTES)
AnnotationLocal resolution filtered masked map after pixel size calibration
Projections & slices

Image control

Size
Brightness
Contrast
Others
AxesZ (Sec.)Y (Row.)X (Col.)
0.78 Å/pix.
x 320 pix.
= 248.32 Å		0.78 Å/pix.
x 320 pix.
= 248.32 Å		0.78 Å/pix.
x 320 pix.
= 248.32 Å

Surface

Projections

Slices (1/3)

Slices (1/2)

Slices (2/3)

Images are generated by Spider.

Voxel sizeX=Y=Z: 0.776 Å
Density

Histogram

Histogram (log scale)
Contour LevelBy AUTHOR: 0.014
Minimum - Maximum-0.1530859 - 0.22286402
Average (Standard dev.)0.000048213333 (±0.0040431553)
SymmetrySpace group: 1
Details

EMDB XML:

Map geometry
Axis orderXYZ
Origin000
Dimensions320320320
Spacing320320320
CellA=B=C: 248.32 Å
α=β=γ: 90.0 °

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Supplemental data

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Mask #1

Fileemd_17112_msk_1.map
Projections & Slices
AxesZYX

Projections

Slices (1/2)
Density Histograms

Histogram

Histogram (log scale)

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Additional map: Sharpened map after pixel size calibration

Fileemd_17112_additional_1.map
AnnotationSharpened map after pixel size calibration
Projections & Slices
AxesZYX

Projections

Slices (1/2)
Density Histograms

Histogram

Histogram (log scale)

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Half map: Half-map (2)

Fileemd_17112_half_map_1.map
AnnotationHalf-map (2)
Projections & Slices
AxesZYX

Projections

Slices (1/2)
Density Histograms

Histogram

Histogram (log scale)

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Half map: Half-map (1)

Fileemd_17112_half_map_2.map
AnnotationHalf-map (1)
Projections & Slices
AxesZYX

Projections

Slices (1/2)
Density Histograms

Histogram

Histogram (log scale)

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Sample components

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Entire : Gamma secretase

EntireName: Gamma secretase
Components
  • Complex: Gamma secretase
    • Protein or peptide: Nicastrin
    • Protein or peptide: Presenilin-1 CTF12
    • Protein or peptide: Gamma-secretase subunit APH-1BGamma secretase
    • Protein or peptide: Gamma-secretase subunit PEN-2Gamma secretase
  • Ligand: 2-acetamido-2-deoxy-beta-D-glucopyranose
  • Ligand: 1,2-DIACYL-SN-GLYCERO-3-PHOSPHOCHOLINE

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Supramolecule #1: Gamma secretase

SupramoleculeName: Gamma secretase / type: complex / ID: 1 / Parent: 0 / Macromolecule list: #1-#4
Source (natural)Organism: Homo sapiens (human)
Molecular weightTheoretical: 172 KDa

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Macromolecule #1: Nicastrin

MacromoleculeName: Nicastrin / type: protein_or_peptide / ID: 1 / Number of copies: 1 / Enantiomer: LEVO
Source (natural)Organism: Homo sapiens (human)
Molecular weightTheoretical: 79.371586 KDa
Recombinant expressionOrganism: Trichoplusia ni (cabbage looper)
SequenceString: MATAGGGSGA DPGSRGLLRL LSFCVLLAGL CRGNSVERKI YIPLNKTAPC VRLLNATHQI GCQSSISGDT GVIHVVEKEE DLQWVLTDG PNPPYMVLLE SKHFTRDLME KLKGRTSRIA GLAVSLTKPS PASGFSPSVQ CPNDGFGVYS NSYGPEFAHC R EIQWNSLG ...String:
MATAGGGSGA DPGSRGLLRL LSFCVLLAGL CRGNSVERKI YIPLNKTAPC VRLLNATHQI GCQSSISGDT GVIHVVEKEE DLQWVLTDG PNPPYMVLLE SKHFTRDLME KLKGRTSRIA GLAVSLTKPS PASGFSPSVQ CPNDGFGVYS NSYGPEFAHC R EIQWNSLG NGLAYEDFSF PIFLLEDENE TKVIKQCYQD HNLSQNGSAP TFPLCAMQLF SHMHAVISTA TCMRRSSIQS TF SINPEIV CDPLSDYNVW SMLKPINTTG TLKPDDRVVV AATRLDSRSF FWNVAPGAES AVASFVTQLA AAEALQKAPD VTT LPRNVM FVFFQGETFD YIGSSRMVYD MEKGKFPVQL ENVDSFVELG QVALRTSLEL WMHTDPVSQK NESVRNQVED LLAT LEKSG AGVPAVILRR PNQSQPLPPS SLQRFLRARN ISGVVLADHS GAFHNKYYQS IYDTAENINV SYPEWLSPEE DLNFV TDTA KALADVATVL GRALYELAGG TNFSDTVQAD PQTVTRLLYG FLIKANNSWF QSILRQDLRS YLGDGPLQHY IAVSSP TNT TYVVQYALAN LTGTVVNLTR EQCQDPSKVP SENKDLYEYS WVQGPLHSNE TDRLPRCVRS TARLARALSP AFELSQW SS TEYSTWTESR WKDIRARIFL IASKELELIT LTVGFGILIF SLIVTYCINA KADVLFIAPR EPGAVSYGTL EVLFQ

UniProtKB: Nicastrin

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Macromolecule #2: Presenilin-1 CTF12

MacromoleculeName: Presenilin-1 CTF12 / type: protein_or_peptide / ID: 2 / Number of copies: 1 / Enantiomer: LEVO
Source (natural)Organism: Homo sapiens (human)
Molecular weightTheoretical: 52.713535 KDa
Recombinant expressionOrganism: Trichoplusia ni (cabbage looper)
SequenceString: MTELPAPLSY FQNAQMSEDN HLSNTVRSQN DNRERQEHND RRSLGHPEPL SNGRPQGNSR QVVEQDEEED EELTLKYGAK HVIMLFVPV TLCMVVVVAT IKSVSFYTRK DGQLIYTPFT EDTETVGQRA LHSILNAAIM ISVIVVMTIL LVVLYKYRCY K VIHAWLII ...String:
MTELPAPLSY FQNAQMSEDN HLSNTVRSQN DNRERQEHND RRSLGHPEPL SNGRPQGNSR QVVEQDEEED EELTLKYGAK HVIMLFVPV TLCMVVVVAT IKSVSFYTRK DGQLIYTPFT EDTETVGQRA LHSILNAAIM ISVIVVMTIL LVVLYKYRCY K VIHAWLII SSLLLLFFFS FIYLGEVFKT YNVAVDYITV ALLIWNFGVV GMISIHWKGP LRLQQAYLIM ISALMALVFI KY LPEWTAW LILAVISVYD LVAVLCPKGP LRMLVETAQE RNETLFPALI YSSTMVWLVN MAEGDPEAQR RVSKNSKYNA EST ERESQD TVAENDDGGF SEEWEAQRDS HLGPHRSTPE SRAAVQELSS SILAGEDPEE RGVKLGLGDF IFYSVLVGKA SATA SGDWN TTIACFVAIL IGLCLTLLLL AIFKKALPAL PISITFGLVF YFATDYLVQP FMDQLAFHQF YI

UniProtKB: Presenilin-1

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Macromolecule #3: Gamma-secretase subunit APH-1B

MacromoleculeName: Gamma-secretase subunit APH-1B / type: protein_or_peptide / ID: 3 / Number of copies: 1 / Enantiomer: LEVO
Source (natural)Organism: Homo sapiens (human)
Molecular weightTheoretical: 28.480844 KDa
Recombinant expressionOrganism: Trichoplusia ni (cabbage looper)
SequenceString: MTAAVFFGCA FIAFGPALAL YVFTIATEPL RIIFLIAGAF FWLVSLLISS LVWFMARVII DNKDGPTQKY LLIFGAFVSV YIQEMFRFA YYKLLKKASE GLKSINPGET APSMRLLAYV SGLGFGIMSG VFSFVNTLSD SLGPGTVGIH GDSPQFFLYS A FMTLVIIL ...String:
MTAAVFFGCA FIAFGPALAL YVFTIATEPL RIIFLIAGAF FWLVSLLISS LVWFMARVII DNKDGPTQKY LLIFGAFVSV YIQEMFRFA YYKLLKKASE GLKSINPGET APSMRLLAYV SGLGFGIMSG VFSFVNTLSD SLGPGTVGIH GDSPQFFLYS A FMTLVIIL LHVFWGIVFF DGCEKKKWGI LLIVLLTHLL VSAQTFISSY YGINLASAFI ILVLMGTWAF LAAGGSCRSL KL CLLCQDK NFLLYNQRSR

UniProtKB: Gamma-secretase subunit APH-1B

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Macromolecule #4: Gamma-secretase subunit PEN-2

MacromoleculeName: Gamma-secretase subunit PEN-2 / type: protein_or_peptide / ID: 4 / Number of copies: 1 / Enantiomer: LEVO
Source (natural)Organism: Homo sapiens (human)
Molecular weightTheoretical: 12.038029 KDa
Recombinant expressionOrganism: Trichoplusia ni (cabbage looper)
SequenceString:
MNLERVSNEE KLNLCRKYYL GGFAFLPFLW LVNIFWFFRE AFLVPAYTEQ SQIKGYVWRS AVGFLFWVIV LTSWITIFQI YRPRWGALG DYLSFTIPLG TP

UniProtKB: Gamma-secretase subunit PEN-2

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Macromolecule #7: 2-acetamido-2-deoxy-beta-D-glucopyranose

MacromoleculeName: 2-acetamido-2-deoxy-beta-D-glucopyranose / type: ligand / ID: 7 / Number of copies: 7 / Formula: NAG
Molecular weightTheoretical: 221.208 Da
Chemical component information

ChemComp-NAG:
2-acetamido-2-deoxy-beta-D-glucopyranose / N-Acetylglucosamine

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Macromolecule #8: 1,2-DIACYL-SN-GLYCERO-3-PHOSPHOCHOLINE

MacromoleculeName: 1,2-DIACYL-SN-GLYCERO-3-PHOSPHOCHOLINE / type: ligand / ID: 8 / Number of copies: 3 / Formula: PC1
Molecular weightTheoretical: 790.145 Da
Chemical component information

ChemComp-PC1:
1,2-DIACYL-SN-GLYCERO-3-PHOSPHOCHOLINE / phospholipid*YM / Phosphatidylcholine

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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

Concentration0.04 mg/mL
BufferpH: 7.4
Component:
ConcentrationFormulaName
10.0 mMC8H18N2O6S2PIPES
100.0 mMNaClSodium chloridesodium chloride
GridModel: Quantifoil R0.6/1 / Material: COPPER / Mesh: 300 / Support film - #0 - Film type ID: 1 / Support film - #0 - Material: CARBON / Support film - #0 - topology: HOLEY / Support film - #1 - Film type ID: 2 / Support film - #1 - Material: GRAPHENE OXIDE / Support film - #1 - topology: CONTINUOUS
VitrificationCryogen name: ETHANE / Chamber humidity: 92 % / Chamber temperature: 296 K / Instrument: GATAN CRYOPLUNGE 3

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Electron microscopy

MicroscopeJEOL CRYO ARM 300
Electron beamAcceleration voltage: 300 kV / Electron source: FIELD EMISSION GUN
Electron opticsC2 aperture diameter: 100.0 µm / Calibrated defocus max: 3.0 µm / Calibrated defocus min: 1.0 µm / Illumination mode: FLOOD BEAM / Imaging mode: BRIGHT FIELDBright-field microscopy / Cs: 2.55 mm / Nominal defocus max: 2.0 µm / Nominal defocus min: 1.2 µm / Nominal magnification: 60000
Specialist opticsEnergy filter - Name: In-column Omega Filter / Energy filter - Slit width: 20 eV
Sample stageSpecimen holder model: JEOL CRYOSPECPORTER / Cooling holder cryogen: NITROGEN
Image recordingFilm or detector model: GATAN K3 (6k x 4k) / Digitization - Dimensions - Width: 5760 pixel / Digitization - Dimensions - Height: 4092 pixel / Number grids imaged: 1 / Number real images: 10733 / Average exposure time: 3.0 sec. / Average electron dose: 61.0 e/Å2

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Image processing

Particle selectionNumber selected: 986830
Startup modelType of model: OTHER / Details: ab initio model
Initial angle assignmentType: MAXIMUM LIKELIHOOD / Software - Name: RELION (ver. 3.1)
Final 3D classificationNumber classes: 2 / Avg.num./class: 200000 / Software - Name: RELION (ver. 3.1)
Final angle assignmentType: MAXIMUM LIKELIHOOD / Software - Name: RELION (ver. 3.1)
Final reconstructionNumber classes used: 1 / Applied symmetry - Point group: C1 (asymmetric) / Algorithm: FOURIER SPACE / Resolution.type: BY AUTHOR / Resolution: 3.3 Å / Resolution method: FSC 0.143 CUT-OFF / Software - Name: RELION (ver. 3.1) / Number images used: 111197
FSC plot (resolution estimation)

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Atomic model buiding 1

Initial model
PDB IDChain

5fn5

source_name: PDB, initial_model_type: experimental model
chain_id: C, source_name: Modeller, initial_model_type: in silico model
RefinementSpace: REAL / Protocol: FLEXIBLE FIT
Output model

PDB-8oqy:
Structure of apo form of human gamma-secretase PSEN1 APH-1B isoform reconstituted into lipid nanodisc

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