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- EMDB-33624: CryoEM structure of PS1-containing gamma-secretase in complex wit... -

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Entry
Database: EMDB / ID: EMD-33624
TitleCryoEM structure of PS1-containing gamma-secretase in complex with MRK-560
Map dataCryoEM structure of human PS1-containing gamma-secretase in complex with MRK-560
Sample
  • Complex: PS1-containing gamma-secretase in complex with MRK-560
    • Protein or peptide: Nicastrin
    • Protein or peptide: Presenilin-1
    • Protein or peptide: Gamma-secretase subunit APH-1A
    • Protein or peptide: Gamma-secretase subunit PEN-2
  • Ligand: 2-acetamido-2-deoxy-beta-D-glucopyranose
  • Ligand: 1,2-DIACYL-SN-GLYCERO-3-PHOSPHOCHOLINE
  • Ligand: ~{N}-[4-[2,5-bis(fluoranyl)phenyl]-4-(4-chlorophenyl)sulfonyl-cyclohexyl]-1,1,1-tris(fluoranyl)methanesulfonamide
  • Ligand: CHOLESTEROL
Function / homology
Function and homology information


Cajal-Retzius cell differentiation / positive regulation of L-glutamate import across plasma membrane / protein catabolic process at postsynapse / amyloid precursor protein biosynthetic process / positive regulation of coagulation / 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 / protein catabolic process at postsynapse / amyloid precursor protein biosynthetic process / positive regulation of coagulation / 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 / positive regulation of endopeptidase activity / Noncanonical activation of NOTCH3 / sequestering of calcium ion / Notch receptor processing / choline transport / 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 / metanephros development / brain morphogenesis / endoplasmic reticulum calcium ion homeostasis / nuclear outer membrane / glutamate receptor signaling pathway / locomotion / smooth endoplasmic reticulum calcium ion homeostasis / amyloid precursor protein metabolic process / regulation of canonical Wnt signaling pathway / astrocyte activation involved in immune response / aggresome / regulation of long-term synaptic potentiation / skeletal system morphogenesis / embryonic limb morphogenesis / cell fate specification / ciliary rootlet / myeloid cell homeostasis / regulation of postsynapse organization / azurophil granule membrane / regulation of neuron projection development / G protein-coupled dopamine receptor signaling pathway / Hydrolases; Acting on peptide bonds (peptidases); Aspartic endopeptidases / positive regulation of amyloid fibril formation / Golgi cisterna membrane / adult behavior / positive regulation of receptor recycling / positive regulation of dendritic spine development / mitochondrial transport / positive regulation of catalytic activity / blood vessel development / heart looping / protein glycosylation / cerebral cortex cell migration / amyloid precursor protein catabolic process / amyloid-beta formation / negative regulation of apoptotic signaling pathway / membrane protein ectodomain proteolysis / autophagosome assembly / endopeptidase activator activity / EPH-ephrin mediated repulsion of cells / smooth endoplasmic reticulum / neuron development / hematopoietic progenitor cell differentiation / somitogenesis / T cell proliferation / rough endoplasmic reticulum / Nuclear signaling by ERBB4 / Notch signaling pathway / regulation of synaptic transmission, glutamatergic / NOTCH2 Activation and Transmission of Signal to the Nucleus / neuron projection maintenance / cellular response to calcium ion / positive regulation of glycolytic process / Degradation of the extracellular matrix / negative regulation of ubiquitin-dependent protein catabolic process / NRIF signals cell death from the nucleus / Activated NOTCH1 Transmits Signal to the Nucleus / cerebellum development / post-embryonic development / thymus development / negative regulation of protein phosphorylation / dendritic shaft / epithelial cell proliferation / PDZ domain binding / NOTCH3 Activation and Transmission of Signal to the Nucleus / astrocyte activation / apoptotic signaling pathway / synapse organization / neuron migration
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 / Nicastrin / Gamma-secretase subunit APH-1A / Gamma-secretase subunit PEN-2
Similarity search - Component
Biological speciesHomo sapiens (human)
Methodsingle particle reconstruction / cryo EM / Resolution: 2.9 Å
AuthorsGuo X / Wang Y / Zhou J / Jin C / Wang J / Jia B / Jing D / Yan C / Lei J / Zhou R / Shi Y
Funding support China, 1 items
OrganizationGrant numberCountry
National Basic Research Program of China (973 Program)2020YFA0509300 China
CitationJournal: Nat Commun / Year: 2022
Title: Molecular basis for isoform-selective inhibition of presenilin-1 by MRK-560.
Authors: Xuefei Guo / Yumeng Wang / Jiayao Zhou / Chen Jin / Jiaoni Wang / Bojun Jia / Dan Jing / Chuangye Yan / Jianlin Lei / Rui Zhou / Yigong Shi /
Abstract: Inhibition of γ-secretase activity represents a potential therapeutic strategy for Alzheimer's disease (AD). MRK-560 is a selective inhibitor with higher potency for Presenilin 1 (PS1) than for PS2, ...Inhibition of γ-secretase activity represents a potential therapeutic strategy for Alzheimer's disease (AD). MRK-560 is a selective inhibitor with higher potency for Presenilin 1 (PS1) than for PS2, the two isoforms of the catalytic subunit of γ-secretase, although the underlying mechanism remains elusive. Here we report the cryo-electron microscopy (cryo-EM) structures of PS1 and PS2-containing γ-secretase complexes with and without MRK-560 at overall resolutions of 2.9-3.4 Å. MRK-560 occupies the substrate binding site of PS1, but is invisible in PS2. Structural comparison identifies Thr281 and Leu282 in PS1 to be the determinant for isoform-dependent sensitivity to MRK-560, which is confirmed by swapping experiment between PS1 and PS2. By revealing the mechanism for isoform-selective inhibition of presenilin, our work may facilitate future drug discovery targeting γ-secretase.
History
DepositionJun 17, 2022-
Header (metadata) releaseNov 2, 2022-
Map releaseNov 2, 2022-
UpdateNov 2, 2022-
Current statusNov 2, 2022Processing site: PDBj / Status: Released

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Structure visualization

Supplemental images

emd_33624.png

Downloads & links

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Map

FileDownload / File: emd_33624.map.gz / Format: CCP4 / Size: 125 MB / Type: IMAGE STORED AS FLOATING POINT NUMBER (4 BYTES)
AnnotationCryoEM structure of human PS1-containing gamma-secretase in complex with MRK-560
Voxel sizeX=Y=Z: 1.0825 Å
Density
Contour LevelBy AUTHOR: 0.021
Minimum - Maximum-0.043680444 - 0.101466075
Average (Standard dev.)5.09561e-05 (±0.0027581505)
SymmetrySpace group: 1
Details

EMDB XML:

Map geometry
Axis orderXYZ
Origin000
Dimensions320320320
Spacing320320320
CellA=B=C: 346.4 Å
α=β=γ: 90.0 °

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Supplemental data

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Half map: #2

Fileemd_33624_half_map_1.map
Projections & Slices
AxesZYX

Projections

Slices (1/2)
Density Histograms

Histogram

Histogram (log scale)

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Half map: #1

Fileemd_33624_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 : PS1-containing gamma-secretase in complex with MRK-560

EntireName: PS1-containing gamma-secretase in complex with MRK-560
Components
  • Complex: PS1-containing gamma-secretase in complex with MRK-560
    • Protein or peptide: Nicastrin
    • Protein or peptide: Presenilin-1
    • Protein or peptide: Gamma-secretase subunit APH-1A
    • Protein or peptide: Gamma-secretase subunit PEN-2
  • Ligand: 2-acetamido-2-deoxy-beta-D-glucopyranose
  • Ligand: 1,2-DIACYL-SN-GLYCERO-3-PHOSPHOCHOLINE
  • Ligand: ~{N}-[4-[2,5-bis(fluoranyl)phenyl]-4-(4-chlorophenyl)sulfonyl-cyclohexyl]-1,1,1-tris(fluoranyl)methanesulfonamide
  • Ligand: CHOLESTEROL

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Supramolecule #1: PS1-containing gamma-secretase in complex with MRK-560

SupramoleculeName: PS1-containing gamma-secretase in complex with MRK-560
type: complex / Chimera: Yes / ID: 1 / Parent: 0 / Macromolecule list: #1-#4
Source (natural)Organism: Homo sapiens (human)
Recombinant expressionOrganism: Homo sapiens (human)

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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: 78.48357 KDa
Recombinant expressionOrganism: Homo sapiens (human)
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 EPGAVSY

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Macromolecule #2: Presenilin-1

MacromoleculeName: Presenilin-1 / type: protein_or_peptide / ID: 2 / Number of copies: 1 / Enantiomer: LEVO
EC number: Hydrolases; Acting on peptide bonds (peptidases); Aspartic endopeptidases
Source (natural)Organism: Homo sapiens (human)
Molecular weightTheoretical: 52.713535 KDa
Recombinant expressionOrganism: Homo sapiens (human)
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

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

MacromoleculeName: Gamma-secretase subunit APH-1A / type: protein_or_peptide / ID: 3 / Number of copies: 1 / Enantiomer: LEVO
Source (natural)Organism: Homo sapiens (human)
Molecular weightTheoretical: 29.017943 KDa
Recombinant expressionOrganism: Homo sapiens (human)
SequenceString: MGAAVFFGCT FVAFGPAFAL FLITVAGDPL RVIILVAGAF FWLVSLLLAS VVWFILVHVT DRSDARLQYG LLIFGAAVSV LLQEVFRFA YYKLLKKADE GLASLSEDGR SPISIRQMAY VSGLSFGIIS GVFSVINILA DALGPGVVGI HGDSPYYFLT S AFLTAAII ...String:
MGAAVFFGCT FVAFGPAFAL FLITVAGDPL RVIILVAGAF FWLVSLLLAS VVWFILVHVT DRSDARLQYG LLIFGAAVSV LLQEVFRFA YYKLLKKADE GLASLSEDGR SPISIRQMAY VSGLSFGIIS GVFSVINILA DALGPGVVGI HGDSPYYFLT S AFLTAAII LLHTFWGVVF FDACERRRYW ALGLVVGSHL LTSGLTFLNP WYEASLLPIY AVTVSMGLWA FITAGGSLRS IQ RSLLCRR QEDSRVMVYS ALRIPPED

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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: Homo sapiens (human)
SequenceString:
MNLERVSNEE KLNLCRKYYL GGFAFLPFLW LVNIFWFFRE AFLVPAYTEQ SQIKGYVWRS AVGFLFWVIV LTSWITIFQI YRPRWGALG DYLSFTIPLG TP

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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: 6 / Formula: NAG
Molecular weightTheoretical: 221.208 Da
Chemical component information

ChemComp-NAG:
2-acetamido-2-deoxy-beta-D-glucopyranose

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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: 2 / Formula: PC1
Molecular weightTheoretical: 790.145 Da
Chemical component information

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

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Macromolecule #9: ~{N}-[4-[2,5-bis(fluoranyl)phenyl]-4-(4-chlorophenyl)sulfonyl-cyc...

MacromoleculeName: ~{N}-[4-[2,5-bis(fluoranyl)phenyl]-4-(4-chlorophenyl)sulfonyl-cyclohexyl]-1,1,1-tris(fluoranyl)methanesulfonamide
type: ligand / ID: 9 / Number of copies: 1 / Formula: IGD
Molecular weightTheoretical: 517.918 Da
Chemical component information

ChemComp-IGD:
~{N}-[4-[2,5-bis(fluoranyl)phenyl]-4-(4-chlorophenyl)sulfonyl-cyclohexyl]-1,1,1-tris(fluoranyl)methanesulfonamide

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Macromolecule #10: CHOLESTEROL

MacromoleculeName: CHOLESTEROL / type: ligand / ID: 10 / Number of copies: 3 / Formula: CLR
Molecular weightTheoretical: 386.654 Da
Chemical component information

ChemComp-CLR:
CHOLESTEROL

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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: 7.4
VitrificationCryogen name: ETHANE

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Electron microscopy

MicroscopeFEI TITAN KRIOS
Image recordingFilm or detector model: GATAN K3 (6k x 4k) / Average electron dose: 50.0 e/Å2
Electron beamAcceleration voltage: 300 kV / Electron source: FIELD EMISSION GUN
Electron opticsIllumination mode: FLOOD BEAM / Imaging mode: BRIGHT FIELD / Nominal defocus max: 1.8 µm / Nominal defocus min: 1.5 µm
Experimental equipment
Model: Titan Krios / Image courtesy: FEI Company

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Image processing

Startup modelType of model: EMDB MAP
EMDB ID:

0957

Final reconstructionResolution.type: BY AUTHOR / Resolution: 2.9 Å / Resolution method: FSC 0.143 CUT-OFF / Number images used: 127676
Initial angle assignmentType: MAXIMUM LIKELIHOOD
Final angle assignmentType: MAXIMUM LIKELIHOOD

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