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- PDB-9r2w: Drosophila MSL HAT nucleosome complex H3K36me3 reader state -

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Basic information

Entry
Database: PDB / ID: 9r2w
TitleDrosophila MSL HAT nucleosome complex H3K36me3 reader state
Components
  • (DNA) x 2
  • Histone H2A type 1-C
  • Histone H2B type 1-C/E/F/G/I
  • Histone H3.1
  • Histone H4
  • Protein male-specific lethal-3
KeywordsNUCLEAR PROTEIN / Histone Acetyltransferase Complex
Function / homology
Function and homology information


regulation of hemocyte proliferation / histone H4K20me1 reader activity / X chromosome located dosage compensation complex, transcription activating / oocyte development / MSL complex / dosage compensation by hyperactivation of X chromosome / histone H3K36me3 reader activity / chromocenter / HATs acetylate histones / histone H4K20me2 reader activity ...regulation of hemocyte proliferation / histone H4K20me1 reader activity / X chromosome located dosage compensation complex, transcription activating / oocyte development / MSL complex / dosage compensation by hyperactivation of X chromosome / histone H3K36me3 reader activity / chromocenter / HATs acetylate histones / histone H4K20me2 reader activity / germ cell development / X chromosome / nuclear chromosome / lncRNA binding / histone H4K16ac reader activity / negative regulation of megakaryocyte differentiation / protein localization to CENP-A containing chromatin / Chromatin modifying enzymes / histone reader activity / Replacement of protamines by nucleosomes in the male pronucleus / CENP-A containing nucleosome / Packaging Of Telomere Ends / Recognition and association of DNA glycosylase with site containing an affected purine / Cleavage of the damaged purine / telomere organization / Interleukin-7 signaling / ChAHP complex assembly / Deposition of new CENPA-containing nucleosomes at the centromere / Recognition and association of DNA glycosylase with site containing an affected pyrimidine / Cleavage of the damaged pyrimidine / RNA Polymerase I Promoter Opening / Inhibition of DNA recombination at telomere / Assembly of the ORC complex at the origin of replication / FXIIa activates plasma kallikrein-kinin system / SUMOylation of chromatin organization proteins / Regulation of endogenous retroelements by the Human Silencing Hub (HUSH) complex / Meiotic synapsis / DNA methylation / Condensation of Prophase Chromosomes / Chromatin modifications during the maternal to zygotic transition (MZT) / HCMV Late Events / SIRT1 negatively regulates rRNA expression / ERCC6 (CSB) and EHMT2 (G9a) positively regulate rRNA expression / PRC2 methylates histones and DNA / NuRD complex assembly / Regulation of endogenous retroelements by KRAB-ZFP proteins / Interaction of NuRD complexes with transcription factors / Defective pyroptosis / HDACs deacetylate histones / CHD1 and CHD2 subfamily / Transcriptional regulation by small RNAs / Regulation of endogenous retroelements by Piwi-interacting RNAs (piRNAs) / RNA Polymerase I Promoter Escape / Nonhomologous End-Joining (NHEJ) / epigenetic regulation of gene expression / CHD6, CHD7, CHD8, CHD9 subfamily / HDMs demethylate histones / Activated PKN1 stimulates transcription of AR (androgen receptor) regulated genes KLK2 and KLK3 / RUNX1 regulates genes involved in megakaryocyte differentiation and platelet function / Negative Regulation of CDH1 Gene Transcription / NoRC negatively regulates rRNA expression / PKMTs methylate histone lysines / G2/M DNA damage checkpoint / Formation of the beta-catenin:TCF transactivating complex / B-WICH complex positively regulates rRNA expression / DNA Damage/Telomere Stress Induced Senescence / Meiotic recombination / Pre-NOTCH Transcription and Translation / Activation of anterior HOX genes in hindbrain development during early embryogenesis / Transcriptional regulation of granulopoiesis / RMTs methylate histone arginines / HCMV Early Events / Metalloprotease DUBs / nucleosomal DNA binding / innate immune response in mucosa / structural constituent of chromatin / nucleosome assembly / Regulation of PD-L1(CD274) transcription / UCH proteinases / nucleosome / HATs acetylate histones / E3 ubiquitin ligases ubiquitinate target proteins / Recruitment and ATM-mediated phosphorylation of repair and signaling proteins at DNA double strand breaks / Factors involved in megakaryocyte development and platelet production / MLL4 and MLL3 complexes regulate expression of PPARG target genes in adipogenesis and hepatic steatosis / RUNX1 regulates transcription of genes involved in differentiation of HSCs / chromatin organization / Processing of DNA double-strand break ends / Dengue Virus-Host Interactions / antimicrobial humoral immune response mediated by antimicrobial peptide / Senescence-Associated Secretory Phenotype (SASP) / heterochromatin formation / Oxidative Stress Induced Senescence / antibacterial humoral response / Estrogen-dependent gene expression / chromosome, telomeric region / defense response to Gram-positive bacterium / Ub-specific processing proteases / cadherin binding / negative regulation of cell population proliferation
Similarity search - Function
: / MSL3 chromodomain-like / MRG / MRG domain / MRG, C-terminal domain superfamily / MRG / MRG domain profile. / Chromo-like domain superfamily / : / : ...: / MSL3 chromodomain-like / MRG / MRG domain / MRG, C-terminal domain superfamily / MRG / MRG domain profile. / Chromo-like domain superfamily / : / : / Histone H2A conserved site / Histone H2A signature. / Histone H2B signature. / Histone H2B / Histone H2B / Histone H2A, C-terminal domain / C-terminus of histone H2A / Histone 2A / Histone H2A / TATA box binding protein associated factor / TATA box binding protein associated factor (TAF), histone-like fold domain / Histone H4, conserved site / Histone H4 signature. / 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 domain / Histone-fold
Similarity search - Domain/homology
DNA / DNA (> 10) / DNA (> 100) / Protein male-specific lethal-3 / Histone H4 / Histone H2B type 1-C/E/F/G/I / Histone H3.1 / Histone H2A type 1-C
Similarity search - Component
Biological speciesHomo sapiens (human)
Drosophila melanogaster (fruit fly)
synthetic construct (others)
MethodELECTRON MICROSCOPY / single particle reconstruction / cryo EM / Resolution: 3.4 Å
AuthorsMueller, M. / Kolesnikova, O. / Doudin, M. / Hoffmann, T. / Becker, P. / Eustermann, S.
Funding support Germany, 3items
OrganizationGrant numberCountry
German Research Foundation (DFG)Be1140/9-1 Germany
German Research Foundation (DFG)Be1140/11-1 Germany
Boehringer Ingelheim Fonds (BIF) Germany
Citation
#1: Journal: Acta Crystallogr D Struct Biol / Year: 2019
Title: Macromolecular structure determination using X-rays, neutrons and electrons: recent developments in Phenix.
Authors: Dorothee Liebschner / Pavel V Afonine / Matthew L Baker / Gábor Bunkóczi / Vincent B Chen / Tristan I Croll / Bradley Hintze / Li Wei Hung / Swati Jain / Airlie J McCoy / Nigel W Moriarty ...Authors: Dorothee Liebschner / Pavel V Afonine / Matthew L Baker / Gábor Bunkóczi / Vincent B Chen / Tristan I Croll / Bradley Hintze / Li Wei Hung / Swati Jain / Airlie J McCoy / Nigel W Moriarty / Robert D Oeffner / Billy K Poon / Michael G Prisant / Randy J Read / Jane S Richardson / David C Richardson / Massimo D Sammito / Oleg V Sobolev / Duncan H Stockwell / Thomas C Terwilliger / Alexandre G Urzhumtsev / Lizbeth L Videau / Christopher J Williams / Paul D Adams /
Abstract: Diffraction (X-ray, neutron and electron) and electron cryo-microscopy are powerful methods to determine three-dimensional macromolecular structures, which are required to understand biological ...Diffraction (X-ray, neutron and electron) and electron cryo-microscopy are powerful methods to determine three-dimensional macromolecular structures, which are required to understand biological processes and to develop new therapeutics against diseases. The overall structure-solution workflow is similar for these techniques, but nuances exist because the properties of the reduced experimental data are different. Software tools for structure determination should therefore be tailored for each method. Phenix is a comprehensive software package for macromolecular structure determination that handles data from any of these techniques. Tasks performed with Phenix include data-quality assessment, map improvement, model building, the validation/rebuilding/refinement cycle and deposition. Each tool caters to the type of experimental data. The design of Phenix emphasizes the automation of procedures, where possible, to minimize repetitive and time-consuming manual tasks, while default parameters are chosen to encourage best practice. A graphical user interface provides access to many command-line features of Phenix and streamlines the transition between programs, project tracking and re-running of previous tasks.
History
DepositionMay 1, 2025Deposition site: PDBE / Processing site: PDBE
Revision 1.0Oct 14, 2026Provider: repository / Type: Initial release
Revision 1.0Oct 14, 2026Data content type: EM metadata / Data content type: EM metadata / Provider: repository / Type: Initial release

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Structure visualization

Structure viewerMolecule:
MolmilJmol/JSmol

Downloads & links

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Assembly

Deposited unit
A: Histone H3.1
B: Histone H4
C: Histone H2A type 1-C
D: Histone H2B type 1-C/E/F/G/I
E: Histone H3.1
F: Histone H4
G: Histone H2A type 1-C
H: Histone H2B type 1-C/E/F/G/I
I: DNA
J: DNA
N: Protein male-specific lethal-3


Theoretical massNumber of molelcules
Total (without water)307,62711
Polymers307,62711
Non-polymers00
Water00
1


  • Idetical with deposited unit
  • defined by author&software
  • Evidence: electron microscopy, not applicable
TypeNameSymmetry operationNumber
identity operation1_555x,y,z1

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Components

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Protein , 5 types, 9 molecules AEBFCGDHN

#1: Protein Histone H3.1 / Histone H3/a / Histone H3/b / Histone H3/c / Histone H3/d / Histone H3/f / Histone H3/h / Histone ...Histone H3/a / Histone H3/b / Histone H3/c / Histone H3/d / Histone H3/f / Histone H3/h / Histone H3/i / Histone H3/j / Histone H3/k / Histone H3/l


Mass: 15348.051 Da / Num. of mol.: 2
Source method: isolated from a genetically manipulated source
Source: (gene. exp.) Homo sapiens (human)
Gene: H3C1, H3FA, HIST1H3A, H3C2, H3FL, HIST1H3B, H3C3, H3FC HIST1H3C, H3C4, H3FB, HIST1H3D, H3C6, H3FD, HIST1H3E, H3C7, H3FI, HIST1H3F, H3C8, H3FH, HIST1H3G, H3C10, H3FK, HIST1H3H, H3C11, H3FF, ...Gene: H3C1, H3FA, HIST1H3A, H3C2, H3FL, HIST1H3B, H3C3, H3FC HIST1H3C, H3C4, H3FB, HIST1H3D, H3C6, H3FD, HIST1H3E, H3C7, H3FI, HIST1H3F, H3C8, H3FH, HIST1H3G, H3C10, H3FK, HIST1H3H, H3C11, H3FF, HIST1H3I, H3C12, H3FJ, HIST1H3J
Production host: Escherichia coli (E. coli) / References: UniProt: P68431
#2: Protein Histone H4


Mass: 11304.260 Da / Num. of mol.: 2
Source method: isolated from a genetically manipulated source
Source: (gene. exp.) Homo sapiens (human)
Gene: H4C1, H4/A, H4FA, HIST1H4A, H4C2, H4/I, H4FI, HIST1H4B, H4C3, H4/G, H4FG, HIST1H4C, H4C4, H4/B, H4FB, HIST1H4D, H4C5, H4/J, H4FJ, HIST1H4E, H4C6, H4/C, H4FC, HIST1H4F, H4C8, H4/H, H4FH, ...Gene: H4C1, H4/A, H4FA, HIST1H4A, H4C2, H4/I, H4FI, HIST1H4B, H4C3, H4/G, H4FG, HIST1H4C, H4C4, H4/B, H4FB, HIST1H4D, H4C5, H4/J, H4FJ, HIST1H4E, H4C6, H4/C, H4FC, HIST1H4F, H4C8, H4/H, H4FH, HIST1H4H, H4C9, H4/M, H4FM, HIST1H4I, H4C11, H4/E, H4FE, HIST1H4J, H4C12, H4/D, H4FD, HIST1H4K, H4C13, H4/K, H4FK, HIST1H4L, H4C14, H4/N, H4F2, H4FN, HIST2H4, HIST2H4A, H4C15, H4/O, H4FO, HIST2H4B, H4C16, H4-16, HIST4H4
Production host: Escherichia coli (E. coli) / References: UniProt: P62805
#3: Protein Histone H2A type 1-C / H2A-clustered histone 6 / Histone H2A/l


Mass: 14004.329 Da / Num. of mol.: 2
Source method: isolated from a genetically manipulated source
Source: (gene. exp.) Homo sapiens (human) / Gene: H2AC6, H2AFL, HIST1H2AC / Production host: Escherichia coli (E. coli) / References: UniProt: Q93077
#4: Protein Histone H2B type 1-C/E/F/G/I / Histone H2B.1 A / Histone H2B.a / H2B/a / Histone H2B.g / H2B/g / Histone H2B.h / H2B/h / Histone ...Histone H2B.1 A / Histone H2B.a / H2B/a / Histone H2B.g / H2B/g / Histone H2B.h / H2B/h / Histone H2B.k / H2B/k / Histone H2B.l / H2B/l


Mass: 13806.018 Da / Num. of mol.: 2
Source method: isolated from a genetically manipulated source
Source: (gene. exp.) Homo sapiens (human)
Gene: HIST1H2BC, H2BFL, HIST1H2BE, H2BFH, HIST1H2BF, H2BFG, HIST1H2BG, H2BFA, HIST1H2BI, H2BFK
Production host: Escherichia coli (E. coli) / References: UniProt: P62807
#7: Protein Protein male-specific lethal-3


Mass: 59756.578 Da / Num. of mol.: 1
Source method: isolated from a genetically manipulated source
Source: (gene. exp.) Drosophila melanogaster (fruit fly) / Gene: msl-3, CG8631 / Production host: Spodoptera frugiperda (fall armyworm) / References: UniProt: P50536

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DNA chain , 2 types, 2 molecules IJ

#5: DNA chain DNA


Mass: 69264.109 Da / Num. of mol.: 1 / Source method: obtained synthetically / Source: (synth.) synthetic construct (others)
#6: DNA chain DNA


Mass: 69681.328 Da / Num. of mol.: 1 / Source method: obtained synthetically / Source: (synth.) synthetic construct (others)

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Details

Has ligand of interestN
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

ComponentName: MSL HAT nucleosome complex / Type: COMPLEX
Details: MSL HAT complex bound to H3K36me3 modified nucleosome
Entity ID: all / Source: RECOMBINANT
Molecular weightExperimental value: NO
Source (natural)Organism: Drosophila melanogaster (fruit fly)
Source (recombinant)Organism: Spodoptera frugiperda (fall armyworm)
Buffer solutionpH: 7.5
Details: 0.5 mM Acetyl CoA, 0.05% beta octyl glucosise, 3 mM Hepes pH7.5, 7.5 mM KCl, 1.5 uM ZnCl2, 0.075 mM DTT, 17.5 mM TrisHCl, pH 7.5 35 mM NaCl
SpecimenConc.: 0.47 mg/ml / Embedding applied: NO / Shadowing applied: NO / Staining applied: NO / Vitrification applied: YES
Details: For CryoEM vitrication, the MSL-HAT core complex and H3K36me3 modified mononucleosomes were incubated in a 1:1 ratio with 0.5 mM Acetyl-CoA for 5-10 min on ice
VitrificationInstrument: FEI VITROBOT MARK IV / Cryogen name: ETHANE / Humidity: 100 % / Chamber temperature: 281.15 K

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Electron microscopy imaging

Experimental equipment
Model: Titan Krios / Image courtesy: FEI Company
MicroscopyModel: TFS KRIOS
Electron gunElectron source: FIELD EMISSION GUN / Accelerating voltage: 300 kV / Illumination mode: FLOOD BEAM
Electron lensMode: BRIGHT FIELD / Nominal magnification: 130000 X / Nominal defocus max: 2000 nm / Nominal defocus min: 1000 nm
Specimen holderCryogen: NITROGEN / Specimen holder model: FEI TITAN KRIOS AUTOGRID HOLDER
Image recordingElectron dose: 55.72 e/Å2 / Film or detector model: TFS FALCON 4i (4k x 4k)

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Processing

EM software
IDNameVersionCategory
1Warpparticle selection
2PHENIX1.21.1_5286model refinement
3SerialEMimage acquisition
13cryoSPARC3D reconstruction
CTF correctionType: PHASE FLIPPING AND AMPLITUDE CORRECTION
Particle selectionNum. of particles selected: 914355
Details: WARP pretrained BoxNet2Mask_20180918 model, TOPAZ trained model, RELION 3D reference based picking
SymmetryPoint symmetry: C1 (asymmetric)
3D reconstructionResolution: 3.4 Å / Resolution method: FSC 0.143 CUT-OFF / Num. of particles: 33389 / Symmetry type: POINT
Atomic model buildingProtocol: OTHER
RefinementCross valid method: NONE
Stereochemistry target values: GeoStd + Monomer Library + CDL v1.2
Displacement parametersBiso mean: 75.97 Å2
Refine LS restraints
Refine-IDTypeDev idealNumber
ELECTRON MICROSCOPYf_bond_d0.01136737
ELECTRON MICROSCOPYf_angle_d0.84139051
ELECTRON MICROSCOPYf_chiral_restr0.06552083
ELECTRON MICROSCOPYf_plane_restr0.01081421
ELECTRON MICROSCOPYf_dihedral_angle_d28.69555465

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