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- PDB-7k6q: Active state Dot1 bound to the H4K16ac nucleosome -

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Basic information

Entry
Database: PDB / ID: 7k6q
TitleActive state Dot1 bound to the H4K16ac nucleosome
Components
  • (DNA (146-MER)) x 2
  • Histone H2A type 1
  • Histone H2B 1.1
  • Histone H3.2
  • Histone H4
  • Histone-lysine N-methyltransferase, H3 lysine-79 specific
  • Ubiquitin
KeywordsStructural Protein/DNA/Transferase / TRANSFERASE / Structural Protein-DNA-Transferase complex
Function / homology
Function and homology information


negative regulation of heterochromatin formation / PKMTs methylate histone lysines / meiotic recombination checkpoint signaling / [histone H3]-lysine79 N-trimethyltransferase / histone H3K79 methyltransferase activity / histone H3K79 trimethyltransferase activity / global genome nucleotide-excision repair / postreplication repair / mitotic intra-S DNA damage checkpoint signaling / recombinational repair ...negative regulation of heterochromatin formation / PKMTs methylate histone lysines / meiotic recombination checkpoint signaling / [histone H3]-lysine79 N-trimethyltransferase / histone H3K79 methyltransferase activity / histone H3K79 trimethyltransferase activity / global genome nucleotide-excision repair / postreplication repair / mitotic intra-S DNA damage checkpoint signaling / recombinational repair / subtelomeric heterochromatin formation / mitotic G1 DNA damage checkpoint signaling / Maturation of protein E / Maturation of protein E / ER Quality Control Compartment (ERQC) / Myoclonic epilepsy of Lafora / FLT3 signaling by CBL mutants / Prevention of phagosomal-lysosomal fusion / IRAK2 mediated activation of TAK1 complex / Alpha-protein kinase 1 signaling pathway / Glycogen synthesis / IRAK1 recruits IKK complex / IRAK1 recruits IKK complex upon TLR7/8 or 9 stimulation / Regulation of TBK1, IKKε (IKBKE)-mediated activation of IRF3, IRF7 / Regulation of TBK1, IKKε-mediated activation of IRF3, IRF7 upon TLR3 ligation / Membrane binding and targetting of GAG proteins / Endosomal Sorting Complex Required For Transport (ESCRT) / IRAK2 mediated activation of TAK1 complex upon TLR7/8 or 9 stimulation / TICAM1,TRAF6-dependent induction of TAK1 complex / Negative regulation of FLT3 / PTK6 Regulates RTKs and Their Effectors AKT1 and DOK1 / Constitutive Signaling by NOTCH1 HD Domain Mutants / TICAM1-dependent activation of IRF3/IRF7 / NOTCH2 Activation and Transmission of Signal to the Nucleus / Regulation of FZD by ubiquitination / APC/C:Cdc20 mediated degradation of Cyclin B / Downregulation of ERBB4 signaling / p75NTR recruits signalling complexes / APC-Cdc20 mediated degradation of Nek2A / TRAF6 mediated IRF7 activation in TLR7/8 or 9 signaling / TRAF6-mediated induction of TAK1 complex within TLR4 complex / Regulation of innate immune responses to cytosolic DNA / InlA-mediated entry of Listeria monocytogenes into host cells / Regulation of pyruvate metabolism / Downregulation of ERBB2:ERBB3 signaling / NF-kB is activated and signals survival / VLDLR internalisation and degradation / Pexophagy / NRIF signals cell death from the nucleus / Regulation of PTEN localization / Activated NOTCH1 Transmits Signal to the Nucleus / Regulation of BACH1 activity / Translesion synthesis by REV1 / Synthesis of active ubiquitin: roles of E1 and E2 enzymes / MAP3K8 (TPL2)-dependent MAPK1/3 activation / TICAM1, RIP1-mediated IKK complex recruitment / Translesion synthesis by POLK / Downregulation of TGF-beta receptor signaling / Activation of IRF3, IRF7 mediated by TBK1, IKKε (IKBKE) / Translesion synthesis by POLI / Gap-filling DNA repair synthesis and ligation in GG-NER / InlB-mediated entry of Listeria monocytogenes into host cell / Josephin domain DUBs / Regulation of activated PAK-2p34 by proteasome mediated degradation / JNK (c-Jun kinases) phosphorylation and activation mediated by activated human TAK1 / IKK complex recruitment mediated by RIP1 / DNA damage checkpoint signaling / PINK1-PRKN Mediated Mitophagy / TGF-beta receptor signaling in EMT (epithelial to mesenchymal transition) / TNFR1-induced NF-kappa-B signaling pathway / N-glycan trimming in the ER and Calnexin/Calreticulin cycle / Autodegradation of Cdh1 by Cdh1:APC/C / APC/C:Cdc20 mediated degradation of Securin / TCF dependent signaling in response to WNT / Asymmetric localization of PCP proteins / SCF-beta-TrCP mediated degradation of Emi1 / Regulation of NF-kappa B signaling / NIK-->noncanonical NF-kB signaling / Ubiquitin-dependent degradation of Cyclin D / AUF1 (hnRNP D0) binds and destabilizes mRNA / activated TAK1 mediates p38 MAPK activation / TNFR2 non-canonical NF-kB pathway / nucleotide-excision repair / Negative regulators of DDX58/IFIH1 signaling / NOTCH3 Activation and Transmission of Signal to the Nucleus / Vpu mediated degradation of CD4 / Assembly of the pre-replicative complex / Deactivation of the beta-catenin transactivating complex / Regulation of signaling by CBL / Degradation of DVL / Ubiquitin Mediated Degradation of Phosphorylated Cdc25A / Cdc20:Phospho-APC/C mediated degradation of Cyclin A / Dectin-1 mediated noncanonical NF-kB signaling / Fanconi Anemia Pathway / Negative regulation of FGFR3 signaling / Peroxisomal protein import / Hh mutants are degraded by ERAD / Degradation of AXIN / Stabilization of p53 / Recognition of DNA damage by PCNA-containing replication complex
Similarity search - Function
Histone H3-K79 methyltransferase, fungi / Histone-lysine N-methyltransferase DOT1 domain / Histone H3-K79 methyltransferase / Histone methylation protein DOT1 / Histone-lysine N-methyltransferase DOT1 (EC 2.1.1.43) domain profile. / Histone H2B signature. / Histone H2B / Histone H2B / Histone H2A conserved site / Histone H2A signature. ...Histone H3-K79 methyltransferase, fungi / Histone-lysine N-methyltransferase DOT1 domain / Histone H3-K79 methyltransferase / Histone methylation protein DOT1 / Histone-lysine N-methyltransferase DOT1 (EC 2.1.1.43) domain profile. / Histone H2B signature. / Histone H2B / Histone H2B / Histone H2A conserved site / Histone H2A signature. / Histone H2A, C-terminal domain / C-terminus of histone H2A / Histone H2A / Histone 2A / Histone H4, conserved site / Histone H4 signature. / TATA box binding protein associated factor / TATA box binding protein associated factor (TAF), histone-like fold domain / Histone H4 / Histone H4 / CENP-T/Histone H4, histone fold / Centromere kinetochore component CENP-T histone fold / Histone H3 signature 1. / Histone H3 signature 2. / Histone H3 / Histone H3/CENP-A / Histone H2A/H2B/H3 / Core histone H2A/H2B/H3/H4 / : / Ubiquitin domain signature. / Ubiquitin conserved site / Ubiquitin domain / Histone-fold / Ubiquitin family / Ubiquitin homologues / Ubiquitin domain profile. / Ubiquitin-like domain / Ubiquitin-like domain superfamily / S-adenosyl-L-methionine-dependent methyltransferase superfamily
Similarity search - Domain/homology
S-ADENOSYLMETHIONINE / DNA / DNA (> 10) / DNA (> 100) / Histone H2B 1.1 / Histone H2A type 1 / Polyubiquitin-C / Histone H4 / Histone H3.2 / Histone-lysine N-methyltransferase, H3 lysine-79 specific
Similarity search - Component
Biological speciesXenopus laevis (African clawed frog)
Saccharomyces cerevisiae (brewer's yeast)
Homo sapiens (human)
synthetic construct (others)
MethodELECTRON MICROSCOPY / single particle reconstruction / cryo EM / Resolution: 3.1 Å
AuthorsValencia-Sanchez, M.I. / De Ioannes, P.E. / Miao, W. / Truong, D.M. / Lee, R. / Armache, J.-P. / Boeke, J.D. / Armache, K.-J.
Funding support United States, 2items
OrganizationGrant numberCountry
David and Lucile Packard Foundationna United States
National Institutes of Health/National Institute of General Medical Sciences (NIH/NIGMS)5R01GM115882-03 United States
CitationJournal: Science / Year: 2021
Title: Regulation of the Dot1 histone H3K79 methyltransferase by histone H4K16 acetylation.
Authors: Marco Igor Valencia-Sánchez / Pablo De Ioannes / Miao Wang / David M Truong / Rachel Lee / Jean-Paul Armache / Jef D Boeke / Karim-Jean Armache /
Abstract: Dot1 (disruptor of telomeric silencing-1), the histone H3 lysine 79 (H3K79) methyltransferase, is conserved throughout evolution, and its deregulation is found in human leukemias. Here, we provide ...Dot1 (disruptor of telomeric silencing-1), the histone H3 lysine 79 (H3K79) methyltransferase, is conserved throughout evolution, and its deregulation is found in human leukemias. Here, we provide evidence that acetylation of histone H4 allosterically stimulates yeast Dot1 in a manner distinct from but coordinating with histone H2B ubiquitination (H2BUb). We further demonstrate that this stimulatory effect is specific to acetylation of lysine 16 (H4K16ac), a modification central to chromatin structure. We provide a mechanism of this histone cross-talk and show that H4K16ac and H2BUb play crucial roles in H3K79 di- and trimethylation in vitro and in vivo. These data reveal mechanisms that control H3K79 methylation and demonstrate how H4K16ac, H3K79me, and H2BUb function together to regulate gene transcription and gene silencing to ensure optimal maintenance and propagation of an epigenetic state.
History
DepositionSep 21, 2020Deposition site: RCSB / Processing site: RCSB
Revision 1.0Feb 10, 2021Provider: repository / Type: Initial release
Revision 1.1Oct 23, 2024Group: Data collection / Database references ...Data collection / Database references / Refinement description / Structure summary
Category: chem_comp_atom / chem_comp_bond ...chem_comp_atom / chem_comp_bond / database_2 / em_3d_fitting_list / em_admin / pdbx_entry_details / pdbx_initial_refinement_model / pdbx_modification_feature
Item: _database_2.pdbx_DOI / _database_2.pdbx_database_accession ..._database_2.pdbx_DOI / _database_2.pdbx_database_accession / _em_3d_fitting_list.accession_code / _em_3d_fitting_list.initial_refinement_model_id / _em_3d_fitting_list.source_name / _em_3d_fitting_list.type / _em_admin.last_update / _pdbx_entry_details.has_protein_modification

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Structure visualization

Movie
  • Deposited structure unit
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  • Superimposition on EM map
  • EMDB-22692
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Structure viewerMolecule:
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Assembly

Deposited unit
A: Histone H3.2
B: Histone H4
C: Histone H2A type 1
D: Histone H2B 1.1
E: Histone H3.2
F: Histone H4
G: Histone H2A type 1
H: Histone H2B 1.1
I: DNA (146-MER)
J: DNA (146-MER)
K: Histone-lysine N-methyltransferase, H3 lysine-79 specific
L: Ubiquitin
hetero molecules


Theoretical massNumber of molelcules
Total (without water)233,80313
Polymers233,40512
Non-polymers3981
Water00
1


  • Idetical with deposited unit
  • defined by author
  • Evidence: native gel electrophoresis, microscopy
TypeNameSymmetry operationNumber
identity operation1_5551

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Components

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Protein , 6 types, 10 molecules AEBFCGDHKL

#1: Protein Histone H3.2


Mass: 11562.554 Da / Num. of mol.: 2 / Mutation: K79M, G103A
Source method: isolated from a genetically manipulated source
Source: (gene. exp.) Xenopus laevis (African clawed frog) / Production host: Escherichia coli (E. coli) / References: UniProt: P84233
#2: Protein Histone H4


Mass: 10403.212 Da / Num. of mol.: 2 / Mutation: K17X
Source method: isolated from a genetically manipulated source
Source: (gene. exp.) Xenopus laevis (African clawed frog) / Production host: Escherichia coli (E. coli) / References: UniProt: P62799
#3: Protein Histone H2A type 1


Mass: 11694.650 Da / Num. of mol.: 2 / Mutation: G99R
Source method: isolated from a genetically manipulated source
Source: (gene. exp.) Xenopus laevis (African clawed frog) / Production host: Escherichia coli (E. coli) / References: UniProt: P06897
#4: Protein Histone H2B 1.1 / H2B1.1


Mass: 10322.814 Da / Num. of mol.: 2 / Mutation: K120C, S32T
Source method: isolated from a genetically manipulated source
Source: (gene. exp.) Xenopus laevis (African clawed frog) / Production host: Escherichia coli (E. coli) / References: UniProt: P02281
#7: Protein Histone-lysine N-methyltransferase, H3 lysine-79 specific / Disrupter of telomere silencing protein 1 / Histone H3-K79 methyltransferase / H3-K79-HMTase / ...Disrupter of telomere silencing protein 1 / Histone H3-K79 methyltransferase / H3-K79-HMTase / Lysine N-methyltransferase 4


Mass: 46686.094 Da / Num. of mol.: 1
Source method: isolated from a genetically manipulated source
Source: (gene. exp.) Saccharomyces cerevisiae (brewer's yeast)
Production host: Escherichia coli (E. coli)
References: UniProt: Q04089, [histone H3]-lysine79 N-trimethyltransferase
#8: Protein Ubiquitin


Mass: 8622.922 Da / Num. of mol.: 1 / Mutation: G76C
Source method: isolated from a genetically manipulated source
Source: (gene. exp.) Homo sapiens (human) / Gene: UBC / Production host: Escherichia coli (E. coli) / References: UniProt: P0CG48

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DNA chain , 2 types, 2 molecules IJ

#5: DNA chain DNA (146-MER)


Mass: 44824.570 Da / Num. of mol.: 1 / Source method: obtained synthetically / Source: (synth.) synthetic construct (others)
#6: DNA chain DNA (146-MER)


Mass: 45304.863 Da / Num. of mol.: 1 / Source method: obtained synthetically / Source: (synth.) synthetic construct (others)

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Non-polymers , 1 types, 1 molecules

#9: Chemical ChemComp-SAM / S-ADENOSYLMETHIONINE


Mass: 398.437 Da / Num. of mol.: 1 / Source method: obtained synthetically / Formula: C15H22N6O5S / Feature type: SUBJECT OF INVESTIGATION

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Details

Has ligand of interestY
Has protein modificationY

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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

Component
IDNameTypeDetailsEntity IDParent-IDSource
1Active state Dot1 bound to the H4K16ac nucleosomeCOMPLEXH4K16 acetylated H2BK120 Ubiquitinated H3K79M#1-#80RECOMBINANT
2HistonesCOMPLEX#1-#41RECOMBINANT
3Histone-lysine N-methyltransferase, H3 lysine-79 specificCOMPLEX#71RECOMBINANT
4Polyubiquitin-BCOMPLEX#81RECOMBINANT
5DNA (146-MER)COMPLEX#5-#61RECOMBINANT
Molecular weight
IDEntity assembly-IDExperimental value
11NO
21NO
31NO
41NO
51NO
Source (natural)
IDEntity assembly-IDOrganismNcbi tax-ID
11Saccharomyces cerevisiae (brewer's yeast)4932
21Xenopus laevis (African clawed frog)8355
31Homo sapiens (human)9606
41Synthetic construct (others)32630
52Xenopus laevis (African clawed frog)8355
63Saccharomyces cerevisiae (brewer's yeast)4932
74Homo sapiens (human)9606
85Synthetic construct (others)32630
Source (recombinant)
IDEntity assembly-IDOrganismNcbi tax-ID
11Escherichia coli (E. coli)562
22Escherichia coli (E. coli)562
33Escherichia coli (E. coli)562
44Escherichia coli (E. coli)562
Buffer solutionpH: 7
Buffer component
IDConc.NameFormulaBuffer-ID
120 mMTrisTris1
250 mMKClKCl1
31 mMMgCl2MgCl21
41 mMDTTDTT1
SpecimenConc.: 0.45 mg/ml / Embedding applied: NO / Shadowing applied: NO / Staining applied: NO / Vitrification applied: YES
Specimen supportGrid material: GOLD / Grid mesh size: 400 divisions/in. / Grid type: Quantifoil R1.2/1.3
VitrificationInstrument: FEI VITROBOT MARK IV / Cryogen name: ETHANE / Humidity: 100 % / Chamber temperature: 297 K

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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: OTHER
Electron lensMode: BRIGHT FIELD / Nominal magnification: 130000 X / Nominal defocus max: 2400 nm / Nominal defocus min: 1200 nm / Cs: 2.7 mm / Alignment procedure: COMA FREE
Specimen holderCryogen: NITROGEN / Specimen holder model: FEI TITAN KRIOS AUTOGRID HOLDER
Image recordingAverage exposure time: 10 sec. / Electron dose: 74.5 e/Å2 / Detector mode: COUNTING / Film or detector model: GATAN K2 SUMMIT (4k x 4k) / Num. of grids imaged: 1 / Num. of real images: 1809
EM imaging opticsEnergyfilter slit width: 20 eV
Image scansSampling size: 5 µm

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Processing

EM software
IDNameVersionCategory
2SerialEMimage acquisition
3Leginonimage acquisition
5GctfCTF correction
8UCSF Chimeramodel fitting
9Cootmodel fitting
11PHENIXmodel refinement
12cryoSPARC2.15initial Euler assignment
13cisTEM1final Euler assignment
14cryoSPARC2.15classification
15cisTEM13D reconstruction
CTF correctionType: PHASE FLIPPING AND AMPLITUDE CORRECTION
Particle selectionNum. of particles selected: 656198
SymmetryPoint symmetry: C1 (asymmetric)
3D reconstructionResolution: 3.1 Å / Resolution method: FSC 0.143 CUT-OFF / Num. of particles: 292034 / Algorithm: BACK PROJECTION / Num. of class averages: 1 / Symmetry type: POINT
Atomic model buildingProtocol: OTHER / Space: REAL
Atomic model building

3D fitting-ID: 1 / Source name: PDB / Type: experimental model

IDPDB-IDPdb chain-IDAccession codeInitial refinement model-ID
11U2Z

1u2z

A1U2Z1
23TU4

3tu4

3TU42
31UBQ

1ubq

A1UBQ3
45AV5

5av5

F5AV54

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