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- EMDB-16148: Cryo-EM structure of the human SIN3B histone deacetylase core com... -

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Entry
Database: EMDB / ID: EMD-16148
TitleCryo-EM structure of the human SIN3B histone deacetylase core complex at 2.8 Angstrom
Map dataSIN3B-core complex map at 2.8 Angstrom
Sample
  • Complex: SIN3B core complex
    • Protein or peptide: Isoform 2 of Paired amphipathic helix protein Sin3b
    • Protein or peptide: Histone deacetylase 2
    • Protein or peptide: PHD finger protein 12
  • Ligand: ZINC ION
  • Ligand: CALCIUM ION
  • Ligand: ACETATE ION
  • Ligand: water
KeywordsHDAC / Chromatin / Cell cycle / transcription / GENE REGULATION
Function / homology
Function and homology information


autosome / positive regulation of male mating behavior / protein de-2-hydroxyisobutyrylase activity / protein lysine delactylase activity / p75NTR negatively regulates cell cycle via SC1 / epidermal cell differentiation / negative regulation of dendritic spine development / histone decrotonylase activity / fungiform papilla formation / negative regulation of MHC class II biosynthetic process ...autosome / positive regulation of male mating behavior / protein de-2-hydroxyisobutyrylase activity / protein lysine delactylase activity / p75NTR negatively regulates cell cycle via SC1 / epidermal cell differentiation / negative regulation of dendritic spine development / histone decrotonylase activity / fungiform papilla formation / negative regulation of MHC class II biosynthetic process / behavioral response to ethanol / positive regulation of interleukin-1 production / NuRD complex / regulation of cell fate specification / negative regulation of transcription by competitive promoter binding / EGR2 and SOX10-mediated initiation of Schwann cell myelination / negative regulation of stem cell population maintenance / histone H4K16 deacetylase activity, hydrolytic mechanism / ESC/E(Z) complex / histone H4K5 deacetylase activity, hydrolytic mechanism / histone H4K8 deacetylase activity, hydrolytic mechanism / histone H3K4 deacetylase activity, hydrolytic mechanism / histone H3K14 deacetylase activity, hydrolytic mechanism / XY body / histone H4K12 deacetylase activity, hydrolytic mechanism / histone deacetylase / regulation of stem cell differentiation / cellular response to dopamine / cardiac muscle hypertrophy / STAT3 nuclear events downstream of ALK signaling / histone H3K9 deacetylase activity, hydrolytic mechanism / response to caffeine / protein lysine deacetylase activity / Hydrolases; Acting on carbon-nitrogen bonds, other than peptide bonds; In linear amides / embryonic digit morphogenesis / histone deacetylase activity / positive regulation of intracellular estrogen receptor signaling pathway / Notch-HLH transcription pathway / Y chromosome / X chromosome / Sin3-type complex / eyelid development in camera-type eye / positive regulation of stem cell population maintenance / dendrite development / odontogenesis of dentin-containing tooth / response to amyloid-beta / positive regulation of proteolysis / RNA Polymerase I Transcription Initiation / histone deacetylase complex / positive regulation of oligodendrocyte differentiation / Regulation of MECP2 expression and activity / positive regulation of collagen biosynthetic process / hair follicle placode formation / response to hyperoxia / NF-kappaB binding / FOXO-mediated transcription of oxidative stress, metabolic and neuronal genes / progesterone receptor signaling pathway / positive regulation of epithelial to mesenchymal transition / Transcriptional regulation of brown and beige adipocyte differentiation by EBF2 / MECP2 regulates neuronal receptors and channels / cellular response to transforming growth factor beta stimulus / cellular response to retinoic acid / Regulation of TP53 Activity through Acetylation / heat shock protein binding / Regulation of lipid metabolism by PPARalpha / transcription repressor complex / response to amphetamine / phosphatidylinositol binding / SUMOylation of chromatin organization proteins / negative regulation of cell migration / ERCC6 (CSB) and EHMT2 (G9a) positively regulate rRNA expression / Regulation of PTEN gene transcription / transcription corepressor binding / Regulation of endogenous retroelements by KRAB-ZFP proteins / Regulation of endogenous retroelements by Piwi-interacting RNAs (piRNAs) / HDACs deacetylate histones / negative regulation of DNA-binding transcription factor activity / response to nicotine / promoter-specific chromatin binding / negative regulation of transforming growth factor beta receptor signaling pathway / circadian regulation of gene expression / response to cocaine / RUNX1 regulates genes involved in megakaryocyte differentiation and platelet function / NoRC negatively regulates rRNA expression / Cytoprotection by HMOX1 / protein modification process / NOTCH1 Intracellular Domain Regulates Transcription / cellular response to hydrogen peroxide / Constitutive Signaling by NOTCH1 PEST Domain Mutants / Constitutive Signaling by NOTCH1 HD+PEST Domain Mutants / histone deacetylase binding / transcription corepressor activity / positive regulation of tumor necrosis factor production / heterochromatin formation / negative regulation of neuron projection development / Factors involved in megakaryocyte development and platelet production / cellular response to heat / RNA polymerase II-specific DNA-binding transcription factor binding / response to lipopolysaccharide / histone binding
Similarity search - Function
PHD finger protein 12, MRG binding domain / PHD finger protein 12, MRG binding domain superfamily / PHD finger protein 12 / PHD finger protein 12 MRG binding domain / Histone deacetylase interacting domain / Sin3, C-terminal / Transcriptional regulatory protein Sin3-like / Sin3 family co-repressor / C-terminal domain of Sin3a protein / Histone deacetylase (HDAC) interacting ...PHD finger protein 12, MRG binding domain / PHD finger protein 12, MRG binding domain superfamily / PHD finger protein 12 / PHD finger protein 12 MRG binding domain / Histone deacetylase interacting domain / Sin3, C-terminal / Transcriptional regulatory protein Sin3-like / Sin3 family co-repressor / C-terminal domain of Sin3a protein / Histone deacetylase (HDAC) interacting / Paired amphipathic helix / Paired amphipathic helix superfamily / Paired amphipathic helix repeat / PAH domain profile. / Histone deacetylase / Forkhead-associated (FHA) domain profile. / Forkhead-associated (FHA) domain / : / Histone deacetylase family / Histone deacetylase domain / Histone deacetylase domain superfamily / Histone deacetylase domain / SMAD/FHA domain superfamily / Ureohydrolase domain superfamily / Zinc finger, PHD-type, conserved site / PHD-finger / Zinc finger PHD-type signature. / Zinc finger PHD-type profile. / Zinc finger, PHD-finger / Zinc finger, PHD-type / PHD zinc finger / Zinc finger, FYVE/PHD-type / Zinc finger, RING/FYVE/PHD-type
Similarity search - Domain/homology
Paired amphipathic helix protein Sin3b / Histone deacetylase 2 / PHD finger protein 12
Similarity search - Component
Biological speciesHomo sapiens (human)
Methodsingle particle reconstruction / cryo EM / Resolution: 2.8 Å
AuthorsWan MSM / Muhammad R / Koliopolous MG / Alfieri C
Funding support United Kingdom, 1 items
OrganizationGrant numberCountry
Wellcome Trust215458/Z/19/Z United Kingdom
CitationJournal: Nat Commun / Year: 2023
Title: Mechanism of assembly, activation and lysine selection by the SIN3B histone deacetylase complex.
Authors: Mandy S M Wan / Reyhan Muhammad / Marios G Koliopoulos / Theodoros I Roumeliotis / Jyoti S Choudhary / Claudio Alfieri /
Abstract: Lysine acetylation in histone tails is a key post-translational modification that controls transcription activation. Histone deacetylase complexes remove histone acetylation, thereby repressing ...Lysine acetylation in histone tails is a key post-translational modification that controls transcription activation. Histone deacetylase complexes remove histone acetylation, thereby repressing transcription and regulating the transcriptional output of each gene. Although these complexes are drug targets and crucial regulators of organismal physiology, their structure and mechanisms of action are largely unclear. Here, we present the structure of a complete human SIN3B histone deacetylase holo-complex with and without a substrate mimic. Remarkably, SIN3B encircles the deacetylase and contacts its allosteric basic patch thereby stimulating catalysis. A SIN3B loop inserts into the catalytic tunnel, rearranges to accommodate the acetyl-lysine moiety, and stabilises the substrate for specific deacetylation, which is guided by a substrate receptor subunit. Our findings provide a model of specificity for a main transcriptional regulator conserved from yeast to human and a resource of protein-protein interactions for future drug designs.
History
DepositionNov 16, 2022-
Header (metadata) releaseMay 10, 2023-
Map releaseMay 10, 2023-
UpdateMar 27, 2024-
Current statusMar 27, 2024Processing site: PDBe / Status: Released

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Structure visualization

Supplemental images

emd_16148.png

Downloads & links

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Map

FileDownload / File: emd_16148.map.gz / Format: CCP4 / Size: 38.4 MB / Type: IMAGE STORED AS FLOATING POINT NUMBER (4 BYTES)
AnnotationSIN3B-core complex map at 2.8 Angstrom
Projections & slices

Image control

Size
Brightness
Contrast
Others
AxesZ (Sec.)Y (Row.)X (Col.)
1.03 Å/pix.
x 216 pix.
= 221.616 Å		1.03 Å/pix.
x 216 pix.
= 221.616 Å		1.03 Å/pix.
x 216 pix.
= 221.616 Å

Surface

Projections

Slices (1/3)

Slices (1/2)

Slices (2/3)

Images are generated by Spider.

Voxel sizeX=Y=Z: 1.026 Å
Density

Histogram

Histogram (log scale)
Contour LevelBy AUTHOR: 0.015
Minimum - Maximum-0.09087172 - 0.15823586
Average (Standard dev.)0.00017429148 (±0.0035079361)
SymmetrySpace group: 1
Details

EMDB XML:

Map geometry
Axis orderXYZ
Origin000
Dimensions216216216
Spacing216216216
CellA=B=C: 221.616 Å
α=β=γ: 90.0 °

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Supplemental data

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Half map: SIN3B-core complex half map 2 at 2.8 Angstrom

Fileemd_16148_half_map_1.map
AnnotationSIN3B-core complex half map 2 at 2.8 Angstrom
Projections & Slices
AxesZYX

Projections

Slices (1/2)
Density Histograms

Histogram

Histogram (log scale)

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Half map: SIN3B-core complex half map 1 at 2.8 Angstrom

Fileemd_16148_half_map_2.map
AnnotationSIN3B-core complex half map 1 at 2.8 Angstrom
Projections & Slices
AxesZYX

Projections

Slices (1/2)
Density Histograms

Histogram

Histogram (log scale)

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Sample components

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Entire : SIN3B core complex

EntireName: SIN3B core complex
Components
  • Complex: SIN3B core complex
    • Protein or peptide: Isoform 2 of Paired amphipathic helix protein Sin3b
    • Protein or peptide: Histone deacetylase 2
    • Protein or peptide: PHD finger protein 12
  • Ligand: ZINC ION
  • Ligand: CALCIUM ION
  • Ligand: ACETATE ION
  • Ligand: water

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Supramolecule #1: SIN3B core complex

SupramoleculeName: SIN3B core complex / type: complex / ID: 1 / Parent: 0 / Macromolecule list: #1-#3
Source (natural)Organism: Homo sapiens (human)
Molecular weightTheoretical: 150 KDa

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Macromolecule #1: Isoform 2 of Paired amphipathic helix protein Sin3b

MacromoleculeName: Isoform 2 of Paired amphipathic helix protein Sin3b / type: protein_or_peptide / ID: 1 / Number of copies: 1 / Enantiomer: LEVO
Source (natural)Organism: Homo sapiens (human)
Molecular weightTheoretical: 129.547133 KDa
Recombinant expressionOrganism: Trichoplusia ni (cabbage looper)
SequenceString: MAHAGGGSGG SGAGGPAGRG LSGARWGRSG SAGHEKLPVH VEDALTYLDQ VKIRFGSDPA TYNGFLEIMK EFKSQSIDTP GVIRRVSQL FHEHPDLIVG FNAFLPLGYR IDIPKNGKLN IQSPLTSQEN SHNHGDGAED FKQQVPYKED KPQVPLESDS V EFNNAISY ...String:
MAHAGGGSGG SGAGGPAGRG LSGARWGRSG SAGHEKLPVH VEDALTYLDQ VKIRFGSDPA TYNGFLEIMK EFKSQSIDTP GVIRRVSQL FHEHPDLIVG FNAFLPLGYR IDIPKNGKLN IQSPLTSQEN SHNHGDGAED FKQQVPYKED KPQVPLESDS V EFNNAISY VNKIKTRFLD HPEIYRSFLE ILHTYQKEQL NTRGRPFRGM SEEEVFTEVA NLFRGQEDLL SEFGQFLPEA KR SLFTGNG PCEMHSVQKN EHDKTPEHSR KRSRPSLLRP VSAPAKKKMK LRGTKDLSIA AVGKYGTLQE FSFFDKVRRV LKS QEVYEN FLRCIALFNQ ELVSGSELLQ LVSPFLGKFP ELFAQFKSFL GVKELSFAPP MSDRSGDGIS REIDYASCKR IGSS YRALP KTYQQPKCSG RTAICKEVLN DTWVSFPSWS EDSTFVSSKK TPYEEQLHRC EDERFELDVV LETNLATIRV LESVQ KKLS RMAPEDQEKF RLDDSLGGTS EVIQRRAIYR IYGDKAPEII ESLKKNPVTA VPVVLKRLKA KEEEWREAQQ GFNKIW REQ YEKAYLKSLD HQAVNFKQND TKALRSKSLL NEIESVYDEH QEQHSEGRSA PSSEPHLIFV YEDRQILEDA AALISYY VK RQPAIQKEDQ GTIHQLLHQF VPSLFFSQQL DLGASEESAD EDRDSPQGQT TDPSERKKPA PGPHSSPPEE KGAFGDAP A TEQPPLPPPA PHKPLDDVYS LFFANNNWYF FLRLHQTLCS RLLKIYRQAQ KQLLEYRTEK EREKLLCEGR REKGSDPAM ELRLKQPSEV ELEEYYPAFL DMVRSLLEGS IDPTQYEDTL REMFTIHAYV GFTMDKLVQN IARQLHHLVS DDVCLKVVEL YLNEKKRGA AGGNLSSRCV RAARETSYQW KAERCMADEN CFKVMFLQRK GQVIMTIELL DTEEAQTEDP VEVQHLARYV E QYVGTEGA SSSPTEGFLL KPVFLQRNLK KFRRRWQSEQ ARALRGEARS SWKRLVGVES ACDVDCRFKL STHKMVFIVN SE DYMYRRG TLCRAKQVQP LVLLRHHQHF EEWHSRWLED NVTVEAASLV QDWLMGEEDE DMVPCKTLCE TVHVHGLPVT RYR VQYSRR PASP

UniProtKB: Paired amphipathic helix protein Sin3b

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Macromolecule #2: Histone deacetylase 2

MacromoleculeName: Histone deacetylase 2 / type: protein_or_peptide / ID: 2 / Number of copies: 1 / Enantiomer: LEVO / EC number: histone deacetylase
Source (natural)Organism: Homo sapiens (human)
Molecular weightTheoretical: 55.443156 KDa
Recombinant expressionOrganism: Trichoplusia ni (cabbage looper)
SequenceString: MAYSQGGGKK KVCYYYDGDI GNYYYGQGHP MKPHRIRMTH NLLLNYGLYR KMEIYRPHKA TAEEMTKYHS DEYIKFLRSI RPDNMSEYS KQMQRFNVGE DCPVFDGLFE FCQLSTGGSV AGAVKLNRQQ TDMAVNWAGG LHHAKKSEAS GFCYVNDIVL A ILELLKYH ...String:
MAYSQGGGKK KVCYYYDGDI GNYYYGQGHP MKPHRIRMTH NLLLNYGLYR KMEIYRPHKA TAEEMTKYHS DEYIKFLRSI RPDNMSEYS KQMQRFNVGE DCPVFDGLFE FCQLSTGGSV AGAVKLNRQQ TDMAVNWAGG LHHAKKSEAS GFCYVNDIVL A ILELLKYH QRVLYIDIDI HHGDGVEEAF YTTDRVMTVS FHKYGEYFPG TGDLRDIGAG KGKYYAVNFP MRDGIDDESY GQ IFKPIIS KVMEMYQPSA VVLQCGADSL SGDRLGCFNL TVKGHAKCVE VVKTFNLPLL MLGGGGYTIR NVARCWTYET AVA LDCEIP NELPYNDYFE YFGPDFKLHI SPSNMTNQNT PEYMEKIKQR LFENLRMLPH APGVQMQAIP EDAVHEDSGD EDGE DPDKR ISIRASDKRI ACDEEFSDSE DEGEGGRRNV ADHKKGAKKA RIEEDKKETE DKKTDVKEED KSKDNSGEKT DTKGT KSEQ LSNP

UniProtKB: Histone deacetylase 2

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Macromolecule #3: PHD finger protein 12

MacromoleculeName: PHD finger protein 12 / type: protein_or_peptide / ID: 3 / Number of copies: 1 / Enantiomer: LEVO
Source (natural)Organism: Homo sapiens (human)
Molecular weightTheoretical: 41.257059 KDa
Recombinant expressionOrganism: Trichoplusia ni (cabbage looper)
SequenceString: MWEKMETKTI VYDLDTSGGL MEQIQALLAP PKTDEAEKRS RKPEKEPRRS GRATNHDSCD SCKEGGDLLC CDHCPAAFHL QCCNPPLSE EMLPPGEWMC HRCTVRRKKR EQKKELGHVN GLVDKSGKRT TSPSSDTDLL DRSASKTELK AIAHARILER R ASRPGTPT ...String:
MWEKMETKTI VYDLDTSGGL MEQIQALLAP PKTDEAEKRS RKPEKEPRRS GRATNHDSCD SCKEGGDLLC CDHCPAAFHL QCCNPPLSE EMLPPGEWMC HRCTVRRKKR EQKKELGHVN GLVDKSGKRT TSPSSDTDLL DRSASKTELK AIAHARILER R ASRPGTPT SSASTETPTS EQNDVDEDII DVDEEPVAAE PDYVQPQLRR PFELLIAAAM ERNPTQFQLP NELTCTTALP GS SKRRRKE ETTGKNVKKT QHELDHNGLV PLPVKVCFTC NRSCRVAPLI QCDYCPLLFH MDCLEPPLTA MPLGRWMCPN HIE HVVLNQ KNMTLSNRCQ VFDRFQDTVS QHVVKVDFLN RIHKKHPP

UniProtKB: PHD finger protein 12, PHD finger protein 12

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Macromolecule #4: ZINC ION

MacromoleculeName: ZINC ION / type: ligand / ID: 4 / Number of copies: 3 / Formula: ZN
Molecular weightTheoretical: 65.409 Da

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Macromolecule #5: CALCIUM ION

MacromoleculeName: CALCIUM ION / type: ligand / ID: 5 / Number of copies: 2 / Formula: CA
Molecular weightTheoretical: 40.078 Da

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Macromolecule #6: ACETATE ION

MacromoleculeName: ACETATE ION / type: ligand / ID: 6 / Number of copies: 1 / Formula: ACT
Molecular weightTheoretical: 59.044 Da
Chemical component information

ChemComp-ACT:
ACETATE ION

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Macromolecule #7: water

MacromoleculeName: water / type: ligand / ID: 7 / Number of copies: 12 / 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: 7.5
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: 60.0 e/Å2
Electron beamAcceleration voltage: 300 kV / Electron source: FIELD EMISSION GUN
Electron opticsIllumination mode: FLOOD BEAM / Imaging mode: BRIGHT FIELD / Nominal defocus max: 1.6 µm / Nominal defocus min: 0.5 µm
Sample stageSpecimen holder model: FEI TITAN KRIOS AUTOGRID HOLDER
Experimental equipment
Model: Titan Krios / Image courtesy: FEI Company

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Image processing

Startup modelType of model: INSILICO MODEL
Final reconstructionResolution.type: BY AUTHOR / Resolution: 2.8 Å / Resolution method: FSC 0.143 CUT-OFF / Number images used: 41979
Initial angle assignmentType: ANGULAR RECONSTITUTION
Final angle assignmentType: ANGULAR RECONSTITUTION

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