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- PDB-6idf: Cryo-EM structure of gamma secretase in complex with a Notch fragment -

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Basic information

Entry
Database: PDB / ID: 6idf
TitleCryo-EM structure of gamma secretase in complex with a Notch fragment
Components
  • (Gamma-secretase subunit ...Gamma secretase) x 2
  • Nicastrin
  • Notch1
  • Presenilin-1
KeywordsMEMBRANE PROTEIN / complex
Function / homology
Function and homology information


Defective LFNG causes SCDO3 / coronary sinus valve morphogenesis / cardiac right atrium morphogenesis / cardiac right ventricle formation / growth involved in heart morphogenesis / Notch signaling pathway involved in regulation of secondary heart field cardioblast proliferation / cell differentiation in spinal cord / retinal cone cell differentiation / venous endothelial cell differentiation / arterial endothelial cell differentiation ...Defective LFNG causes SCDO3 / coronary sinus valve morphogenesis / cardiac right atrium morphogenesis / cardiac right ventricle formation / growth involved in heart morphogenesis / Notch signaling pathway involved in regulation of secondary heart field cardioblast proliferation / cell differentiation in spinal cord / retinal cone cell differentiation / venous endothelial cell differentiation / arterial endothelial cell differentiation / cardiac chamber formation / epithelial cell fate commitment / negative regulation of pro-B cell differentiation / Pre-NOTCH Processing in the Endoplasmic Reticulum / Cajal-Retzius cell differentiation / negative regulation of inner ear auditory receptor cell differentiation / positive regulation of L-glutamate import across plasma membrane / mitral valve formation / cell migration involved in endocardial cushion formation / glomerular mesangial cell development / amyloid precursor protein biosynthetic process / negative regulation of photoreceptor cell differentiation / negative regulation of cell proliferation involved in heart valve morphogenesis / regulation of somitogenesis / inhibition of neuroepithelial cell differentiation / endocardium morphogenesis / atrioventricular node development / foregut morphogenesis / positive regulation of coagulation / regulation of cell adhesion involved in heart morphogenesis / distal tubule development / protein catabolic process at postsynapse / negative regulation of core promoter binding / MAML1-RBP-Jkappa- ICN1 complex / regulation of epithelial cell proliferation involved in prostate gland development / auditory receptor cell fate commitment / gamma-secretase complex / positive regulation of aorta morphogenesis / negative regulation of endothelial cell chemotaxis / aspartic endopeptidase activity, intramembrane cleaving / neuroendocrine cell differentiation / collecting duct development / short-term synaptic potentiation / negative regulation of extracellular matrix constituent secretion / positive regulation of transcription of Notch receptor target / positive regulation of smooth muscle cell differentiation / cellular response to tumor cell / positive regulation of amyloid precursor protein biosynthetic process / positive regulation of apoptotic process involved in morphogenesis / compartment pattern specification / vasculogenesis involved in coronary vascular morphogenesis / T-helper 17 type immune response / Noncanonical activation of NOTCH3 / positive regulation of endopeptidase activity / Constitutive Signaling by NOTCH1 t(7;9)(NOTCH1:M1580_K2555) Translocation Mutant / epithelial to mesenchymal transition involved in endocardial cushion formation / regulation of extracellular matrix assembly / endocardial cell differentiation / choline transport / cardiac ventricle morphogenesis / Notch receptor processing / central nervous system myelination / sequestering of calcium ion / cardiac left ventricle morphogenesis / mesenchymal cell development / membrane protein intracellular domain proteolysis / synaptic vesicle targeting / epidermal cell fate specification / negative regulation of collagen biosynthetic process / coronary vein morphogenesis / negative regulation of axonogenesis / cardiac vascular smooth muscle cell development / negative regulation of myotube differentiation / regulation of resting membrane potential / somatic stem cell division / left/right axis specification / negative regulation of cell adhesion molecule production / negative regulation of cardiac muscle hypertrophy / positive regulation of endothelial cell differentiation / secretory columnal luminar epithelial cell differentiation involved in prostate glandular acinus development / interleukin-17-mediated signaling pathway / T cell activation involved in immune response / apoptotic process involved in embryonic digit morphogenesis / endocardium development / skin morphogenesis / positive regulation of cardiac epithelial to mesenchymal transition / NOTCH4 Activation and Transmission of Signal to the Nucleus / cardiac epithelial to mesenchymal transition / Pre-NOTCH Processing in Golgi / growth factor receptor binding / negative regulation of calcium ion-dependent exocytosis / cardiac muscle cell myoblast differentiation / cellular response to follicle-stimulating hormone stimulus / neural retina development / dorsal/ventral neural tube patterning / regulation of synaptic vesicle cycle / pericardium morphogenesis / cardiac atrium morphogenesis / negative regulation of catalytic activity / tissue regeneration
Similarity search - Function
Neurogenic locus notch homolog protein 1 / 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 ...Neurogenic locus notch homolog protein 1 / 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 / Notch, C-terminal / Presenilin, signal peptide peptidase, family / Domain of unknown function / Notch / Notch, NOD domain / Notch, NODP domain / NOTCH protein / NOTCH protein / NOD / NODP / Notch-like domain superfamily / LNR (Lin-12/Notch) repeat profile. / LNR domain / Notch domain / Domain found in Notch and Lin-12 / EGF-like, conserved site / Human growth factor-like EGF / Calcium-binding EGF domain / Ankyrin repeats (many copies) / EGF-type aspartate/asparagine hydroxylation site / EGF-like domain / EGF-like calcium-binding, conserved site / Calcium-binding EGF-like domain signature. / Aspartic acid and asparagine hydroxylation site. / EGF-like calcium-binding domain / Calcium-binding EGF-like domain / Epidermal growth factor-like domain. / Ankyrin repeat / EGF-like domain profile. / Growth factor receptor cysteine-rich domain superfamily / EGF-like domain signature 2. / EGF-like domain signature 1. / EGF-like domain / Ankyrin repeats (3 copies) / Ankyrin repeat profile. / Ankyrin repeat region circular profile. / ankyrin repeats / Ankyrin repeat / Ankyrin repeat-containing domain superfamily
Similarity search - Domain/homology
CHOLESTEROL / 1,2-DIACYL-SN-GLYCERO-3-PHOSPHOCHOLINE / Neurogenic locus notch homolog protein 1 / Presenilin-1 / Nicastrin / Gamma-secretase subunit APH-1A / Gamma-secretase subunit PEN-2
Similarity search - Component
Biological speciesHomo sapiens (human)
MethodELECTRON MICROSCOPY / single particle reconstruction / cryo EM / Resolution: 2.7 Å
AuthorsYang, G. / Zhou, R. / Zhou, Q. / Guo, X. / Yan, C. / Ke, M. / Lei, J. / Shi, Y.
Funding support China, 1items
OrganizationGrant numberCountry
National Natural Science Foundation of China31621092 China
CitationJournal: Nature / Year: 2019
Title: Structural basis of Notch recognition by human γ-secretase.
Authors: Guanghui Yang / Rui Zhou / Qiang Zhou / Xuefei Guo / Chuangye Yan / Meng Ke / Jianlin Lei / Yigong Shi /
Abstract: Aberrant cleavage of Notch by γ-secretase leads to several types of cancer, but how γ-secretase recognizes its substrate remains unknown. Here we report the cryo-electron microscopy structure of ...Aberrant cleavage of Notch by γ-secretase leads to several types of cancer, but how γ-secretase recognizes its substrate remains unknown. Here we report the cryo-electron microscopy structure of human γ-secretase in complex with a Notch fragment at a resolution of 2.7 Å. The transmembrane helix of Notch is surrounded by three transmembrane domains of PS1, and the carboxyl-terminal β-strand of the Notch fragment forms a β-sheet with two substrate-induced β-strands of PS1 on the intracellular side. Formation of the hybrid β-sheet is essential for substrate cleavage, which occurs at the carboxyl-terminal end of the Notch transmembrane helix. PS1 undergoes pronounced conformational rearrangement upon substrate binding. These features reveal the structural basis of Notch recognition and have implications for the recruitment of the amyloid precursor protein by γ-secretase.
History
DepositionSep 9, 2018Deposition site: PDBJ / Processing site: PDBJ
Revision 1.0Dec 26, 2018Provider: repository / Type: Initial release
Revision 1.1Jan 16, 2019Group: Data collection / Database references / Category: citation / citation_author
Item: _citation.pdbx_database_id_PubMed / _citation_author.name
Revision 1.2Jan 23, 2019Group: Data collection / Database references / Category: citation
Item: _citation.journal_volume / _citation.page_first ..._citation.journal_volume / _citation.page_first / _citation.page_last / _citation.year
Revision 2.0Jul 29, 2020Group: Advisory / Atomic model ...Advisory / Atomic model / Data collection / Derived calculations / Structure summary
Category: atom_site / chem_comp ...atom_site / chem_comp / em_entity_assembly / entity / pdbx_branch_scheme / pdbx_chem_comp_identifier / pdbx_entity_branch / pdbx_entity_branch_descriptor / pdbx_entity_branch_link / pdbx_entity_branch_list / pdbx_entity_nonpoly / pdbx_nonpoly_scheme / pdbx_struct_assembly_gen / pdbx_unobs_or_zero_occ_atoms / struct_asym / struct_conn / struct_site / struct_site_gen
Item: _atom_site.B_iso_or_equiv / _atom_site.Cartn_x ..._atom_site.B_iso_or_equiv / _atom_site.Cartn_x / _atom_site.Cartn_y / _atom_site.Cartn_z / _atom_site.auth_asym_id / _atom_site.auth_seq_id / _atom_site.label_asym_id / _atom_site.label_entity_id / _chem_comp.name / _chem_comp.type / _em_entity_assembly.entity_id_list / _pdbx_struct_assembly_gen.asym_id_list / _pdbx_unobs_or_zero_occ_atoms.label_asym_id / _struct_conn.pdbx_role / _struct_conn.ptnr1_auth_asym_id / _struct_conn.ptnr1_auth_seq_id / _struct_conn.ptnr1_label_asym_id / _struct_conn.ptnr2_auth_asym_id / _struct_conn.ptnr2_auth_seq_id / _struct_conn.ptnr2_label_asym_id
Description: Carbohydrate remediation / Provider: repository / Type: Remediation

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Structure visualization

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Assembly

Deposited unit
A: Nicastrin
B: Presenilin-1
C: Gamma-secretase subunit APH-1A
D: Gamma-secretase subunit PEN-2
E: Notch1
hetero molecules


Theoretical massNumber of molelcules
Total (without water)195,62324
Polymers186,9435
Non-polymers8,68119
Water0
1


  • Idetical with deposited unit
  • defined by author
  • Evidence: gel filtration, cross-linking
TypeNameSymmetry operationNumber
identity operation1_5551
Buried area26970 Å2
ΔGint-112 kcal/mol
Surface area62150 Å2

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Components

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Protein , 3 types, 3 molecules ABE

#1: Protein Nicastrin /


Mass: 78483.570 Da / Num. of mol.: 1
Source method: isolated from a genetically manipulated source
Source: (gene. exp.) Homo sapiens (human) / Gene: NCSTN / Production host: Homo sapiens (human) / References: UniProt: Q92542
#2: Protein Presenilin-1 / / PS-1


Mass: 52644.543 Da / Num. of mol.: 1
Source method: isolated from a genetically manipulated source
Source: (gene. exp.) Homo sapiens (human) / Gene: PS1 / Production host: Homo sapiens (human)
References: UniProt: P49768, Hydrolases; Acting on peptide bonds (peptidases); Aspartic endopeptidases
#5: Protein Notch1


Mass: 14758.500 Da / Num. of mol.: 1
Source method: isolated from a genetically manipulated source
Source: (gene. exp.) Homo sapiens (human) / Production host: Homo sapiens (human) / References: UniProt: P46531*PLUS

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Gamma-secretase subunit ... , 2 types, 2 molecules CD

#3: Protein Gamma-secretase subunit APH-1A / Gamma secretase / APH-1a


Mass: 29017.943 Da / Num. of mol.: 1
Source method: isolated from a genetically manipulated source
Source: (gene. exp.) Homo sapiens (human) / Gene: APH1A / Production host: Homo sapiens (human) / References: UniProt: Q96BI3
#4: Protein Gamma-secretase subunit PEN-2 / Gamma secretase / Presenilin enhancer protein 2


Mass: 12038.029 Da / Num. of mol.: 1
Source method: isolated from a genetically manipulated source
Source: (gene. exp.) Homo sapiens (human) / Gene: PEN2 / Production host: Homo sapiens (human) / References: UniProt: Q9NZ42

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Sugars , 3 types, 12 molecules

#6: Polysaccharide
2-acetamido-2-deoxy-beta-D-glucopyranose-(1-4)-2-acetamido-2-deoxy-beta-D-glucopyranose


Type: oligosaccharide / Mass: 424.401 Da / Num. of mol.: 5 / Source method: obtained synthetically
DescriptorTypeProgram
DGlcpNAcb1-4DGlcpNAcb1-Glycam Condensed SequenceGMML 1.0
WURCS=2.0/1,2,1/[a2122h-1b_1-5_2*NCC/3=O]/1-1/a4-b1WURCSPDB2Glycan 1.1.0
[]{[(4+1)][b-D-GlcpNAc]{[(4+1)][b-D-GlcpNAc]{}}}LINUCSPDB-CARE
#7: Polysaccharide beta-D-mannopyranose-(1-3)-[beta-D-mannopyranose-(1-6)]beta-D-mannopyranose-(1-4)-2-acetamido-2- ...beta-D-mannopyranose-(1-3)-[beta-D-mannopyranose-(1-6)]beta-D-mannopyranose-(1-4)-2-acetamido-2-deoxy-beta-D-glucopyranose-(1-4)-2-acetamido-2-deoxy-beta-D-glucopyranose


Type: oligosaccharide / Mass: 910.823 Da / Num. of mol.: 1
Source method: isolated from a genetically manipulated source
DescriptorTypeProgram
DManpb1-3[DManpb1-6]DManpb1-4DGlcpNAcb1-4DGlcpNAcb1-Glycam Condensed SequenceGMML 1.0
WURCS=2.0/2,5,4/[a2122h-1b_1-5_2*NCC/3=O][a1122h-1b_1-5]/1-1-2-2-2/a4-b1_b4-c1_c3-d1_c6-e1WURCSPDB2Glycan 1.1.0
[]{[(4+1)][b-D-GlcpNAc]{[(4+1)][b-D-GlcpNAc]{[(4+1)][b-D-Manp]{[(3+1)][b-D-Manp]{}[(6+1)][b-D-Manp]{}}}}}LINUCSPDB-CARE
#8: Sugar
ChemComp-NAG / 2-acetamido-2-deoxy-beta-D-glucopyranose / N-Acetylglucosamine


Type: D-saccharide, beta linking / Mass: 221.208 Da / Num. of mol.: 6 / Source method: obtained synthetically / Formula: C8H15NO6
IdentifierTypeProgram
DGlcpNAcbCONDENSED IUPAC CARBOHYDRATE SYMBOLGMML 1.0
N-acetyl-b-D-glucopyranosamineCOMMON NAMEGMML 1.0
b-D-GlcpNAcIUPAC CARBOHYDRATE SYMBOLPDB-CARE 1.0
GlcNAcSNFG CARBOHYDRATE SYMBOLGMML 1.0

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Non-polymers , 2 types, 7 molecules

#9: Chemical
ChemComp-PC1 / 1,2-DIACYL-SN-GLYCERO-3-PHOSPHOCHOLINE / 3-SN-PHOSPHATIDYLCHOLINE / Phosphatidylcholine


Mass: 790.145 Da / Num. of mol.: 4 / Source method: obtained synthetically / Formula: C44H88NO8P / Comment: phospholipid*YM
#10: Chemical ChemComp-CLR / CHOLESTEROL / Cholesterol


Mass: 386.654 Da / Num. of mol.: 3 / Source method: obtained synthetically / Formula: C27H46O

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Experimental details

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Experiment

ExperimentMethod: ELECTRON MICROSCOPY
EM experimentAggregation state: PARTICLE / 3D reconstruction method: single particle reconstruction

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Sample preparation

ComponentName: gamma-secretaseGamma secretase / Type: COMPLEX / Entity ID: #1-#5 / Source: RECOMBINANT
Source (natural)Organism: Homo sapiens (human)
Source (recombinant)Organism: Homo sapiens (human)
Buffer solutionpH: 7.4
SpecimenEmbedding applied: NO / Shadowing applied: NO / Staining applied: NO / Vitrification applied: YES
VitrificationCryogen name: ETHANE

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Electron microscopy imaging

Experimental equipment
Model: Titan Krios / Image courtesy: FEI Company
MicroscopyModel: FEI TITAN KRIOS
Electron gunElectron source: FIELD EMISSION GUN / Accelerating voltage: 300 kV / Illumination mode: FLOOD BEAM
Electron lensMode: BRIGHT FIELDBright-field microscopy
Image recordingElectron dose: 1.5625 e/Å2 / Film or detector model: GATAN K2 SUMMIT (4k x 4k)

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Processing

SoftwareName: PHENIX / Version: 1.13_2998: / Classification: refinement
CTF correctionType: NONE
3D reconstructionResolution: 2.7 Å / Resolution method: FSC 0.143 CUT-OFF / Num. of particles: 476853 / Symmetry type: POINT
Refine LS restraints
Refine-IDTypeDev idealNumber
ELECTRON MICROSCOPYf_bond_d0.00511489
ELECTRON MICROSCOPYf_angle_d0.98215687
ELECTRON MICROSCOPYf_dihedral_angle_d8.4326693
ELECTRON MICROSCOPYf_chiral_restr0.0571869
ELECTRON MICROSCOPYf_plane_restr0.0071895

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