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- PDB-9mja: PARP1 ART in complex with HPF1 and EB47 -

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Basic information

Entry
Database: PDB / ID: 9mja
TitlePARP1 ART in complex with HPF1 and EB47
Components
  • Histone PARylation factor 1
  • Poly [ADP-ribose] polymerase 1
KeywordsDNA BINDING PROTEIN / PARP1 / Zinc-finger domains / nicked DNA
Function / homology
Function and homology information


regulation of protein ADP-ribosylation / protein ADP-ribosyltransferase-substrate adaptor activity / NAD+-histone H2BS6 serine ADP-ribosyltransferase activity / NAD+-histone H3S10 serine ADP-ribosyltransferase activity / NAD+-histone H2BE35 glutamate ADP-ribosyltransferase activity / positive regulation of myofibroblast differentiation / negative regulation of ATP biosynthetic process / poly-ADP-D-ribose binding / NAD+-protein-tyrosine ADP-ribosyltransferase activity / NAD+-protein-histidine ADP-ribosyltransferase activity ...regulation of protein ADP-ribosylation / protein ADP-ribosyltransferase-substrate adaptor activity / NAD+-histone H2BS6 serine ADP-ribosyltransferase activity / NAD+-histone H3S10 serine ADP-ribosyltransferase activity / NAD+-histone H2BE35 glutamate ADP-ribosyltransferase activity / positive regulation of myofibroblast differentiation / negative regulation of ATP biosynthetic process / poly-ADP-D-ribose binding / NAD+-protein-tyrosine ADP-ribosyltransferase activity / NAD+-protein-histidine ADP-ribosyltransferase activity / regulation of base-excision repair / positive regulation of single strand break repair / regulation of circadian sleep/wake cycle, non-REM sleep / vRNA Synthesis / carbohydrate biosynthetic process / NAD+-protein-serine ADP-ribosyltransferase activity / negative regulation of adipose tissue development / NAD DNA ADP-ribosyltransferase activity / DNA ADP-ribosylation / mitochondrial DNA metabolic process / regulation of oxidative stress-induced neuron intrinsic apoptotic signaling pathway / replication fork reversal / ATP generation from poly-ADP-D-ribose / positive regulation of necroptotic process / transcription regulator activator activity / response to aldosterone / HDR through MMEJ (alt-NHEJ) / positive regulation of DNA-templated transcription, elongation / NAD+ ADP-ribosyltransferase / signal transduction involved in regulation of gene expression / protein auto-ADP-ribosylation / negative regulation of telomere maintenance via telomere lengthening / mitochondrial DNA repair / NAD+-protein-aspartate ADP-ribosyltransferase activity / protein poly-ADP-ribosylation / positive regulation of intracellular estrogen receptor signaling pathway / negative regulation of cGAS/STING signaling pathway / NAD+-protein-glutamate ADP-ribosyltransferase activity / positive regulation of cardiac muscle hypertrophy / DNA repair-dependent chromatin remodeling / cellular response to zinc ion / NAD+-protein mono-ADP-ribosyltransferase activity / positive regulation of mitochondrial depolarization / nuclear replication fork / decidualization / protein autoprocessing / R-SMAD binding / macrophage differentiation / Transferases; Glycosyltransferases; Pentosyltransferases / negative regulation of transcription elongation by RNA polymerase II / positive regulation of SMAD protein signal transduction / POLB-Dependent Long Patch Base Excision Repair / site of DNA damage / NAD+ poly-ADP-ribosyltransferase activity / SUMOylation of DNA damage response and repair proteins / positive regulation of double-strand break repair via homologous recombination / nucleosome binding / protein localization to chromatin / nucleotidyltransferase activity / transforming growth factor beta receptor signaling pathway / negative regulation of innate immune response / telomere maintenance / nuclear estrogen receptor binding / response to gamma radiation / mitochondrion organization / Downregulation of SMAD2/3:SMAD4 transcriptional activity / enzyme activator activity / protein-DNA complex / cellular response to nerve growth factor stimulus / protein modification process / DNA Damage Recognition in GG-NER / positive regulation of protein localization to nucleus / Dual Incision in GG-NER / histone deacetylase binding / cellular response to insulin stimulus / Formation of Incision Complex in GG-NER / cellular response to amyloid-beta / NAD binding / cellular response to UV / nuclear envelope / double-strand break repair / regulation of protein localization / site of double-strand break / cellular response to oxidative stress / histone binding / transcription regulator complex / damaged DNA binding / RNA polymerase II-specific DNA-binding transcription factor binding / transcription by RNA polymerase II / chromosome, telomeric region / positive regulation of canonical NF-kappaB signal transduction / nuclear body / innate immune response / DNA repair / negative regulation of DNA-templated transcription / apoptotic process / DNA damage response / ubiquitin protein ligase binding / chromatin binding / protein kinase binding
Similarity search - Function
Histone PARylation factor 1 / Histone PARylation factor 1 / Poly [ADP-ribose] polymerase / PADR1 domain / PADR1 domain superfamily / : / PADR1 domain, zinc ribbon fold / PADR1, N-terminal helical domain / PADR1 domain profile. / PADR1 ...Histone PARylation factor 1 / Histone PARylation factor 1 / Poly [ADP-ribose] polymerase / PADR1 domain / PADR1 domain superfamily / : / PADR1 domain, zinc ribbon fold / PADR1, N-terminal helical domain / PADR1 domain profile. / PADR1 / Zinc finger poly(ADP-ribose) polymerase (PARP)-type signature. / Zinc finger, PARP-type superfamily / Poly(ADP-ribose) polymerase and DNA-Ligase Zn-finger region / Zinc finger poly(ADP-ribose) polymerase (PARP)-type profile. / Poly(ADP-ribose) polymerase and DNA-Ligase Zn-finger region / Zinc finger, PARP-type / : / Poly(ADP-ribose) polymerase, regulatory domain / WGR domain / WGR domain superfamily / WGR domain / WGR domain profile. / Proposed nucleic acid binding domain / Poly(ADP-ribose) polymerase, regulatory domain superfamily / Poly(ADP-ribose) polymerase, regulatory domain / PARP alpha-helical domain profile. / BRCA1 C Terminus (BRCT) domain / Poly(ADP-ribose) polymerase catalytic domain / Poly(ADP-ribose) polymerase, catalytic domain / PARP catalytic domain profile. / breast cancer carboxy-terminal domain / BRCT domain profile. / BRCT domain / BRCT domain superfamily
Similarity search - Domain/homology
Chem-UHB / Poly [ADP-ribose] polymerase 1 / Histone PARylation factor 1
Similarity search - Component
Biological speciesHomo sapiens (human)
MethodELECTRON MICROSCOPY / single particle reconstruction / cryo EM / Resolution: 4.3 Å
AuthorsSverzhinsky, A. / Pascal, J.M.
Funding support Canada, United States, 2items
OrganizationGrant numberCountry
Canadian Institutes of Health Research (CIHR)PJT374609 Canada
National Institutes of Health/National Cancer Institute (NIH/NCI)CA92584 United States
CitationJournal: To Be Published
Title: Structure and dynamics of PARP1-HPF1 engaging nicked DNA suggests a mechanism for acute production of localized ADP-ribose modifications
Authors: Sverzhinsky, A. / Xue, H. / Langelier, M.-F. / Del Mundo, J. / Classen, S. / Hammel, M. / Rothenberg, E. / Pascal, J.M.
History
DepositionDec 14, 2024Deposition site: RCSB / Processing site: RCSB
Revision 1.0Jan 21, 2026Provider: repository / Type: Initial release
Revision 1.0Jan 21, 2026Data content type: EM metadata / Data content type: EM metadata / Provider: repository / Type: Initial release
Revision 1.0Jan 21, 2026Data content type: Additional map / Part number: 1 / Data content type: Additional map / Provider: repository / Type: Initial release
Revision 1.0Jan 21, 2026Data content type: Half map / Part number: 1 / Data content type: Half map / Provider: repository / Type: Initial release
Revision 1.0Jan 21, 2026Data content type: Half map / Part number: 2 / Data content type: Half map / Provider: repository / Type: Initial release
Revision 1.0Jan 21, 2026Data content type: Image / Data content type: Image / Provider: repository / Type: Initial release
Revision 1.0Jan 21, 2026Data content type: Mask / Part number: 1 / Data content type: Mask / Provider: repository / Type: Initial release
Revision 1.0Jan 21, 2026Data content type: Primary map / Data content type: Primary map / Provider: repository / Type: Initial release

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Structure visualization

Structure viewerMolecule:
MolmilJmol/JSmol

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Assembly

Deposited unit
A: Poly [ADP-ribose] polymerase 1
B: Histone PARylation factor 1
hetero molecules


Theoretical massNumber of molelcules
Total (without water)155,5533
Polymers155,0162
Non-polymers5381
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

#1: Protein Poly [ADP-ribose] polymerase 1 / PARP-1 / ADP-ribosyltransferase diphtheria toxin-like 1 / ARTD1 / DNA ADP-ribosyltransferase PARP1 ...PARP-1 / ADP-ribosyltransferase diphtheria toxin-like 1 / ARTD1 / DNA ADP-ribosyltransferase PARP1 / NAD(+) ADP-ribosyltransferase 1 / ADPRT 1 / Poly[ADP-ribose] synthase 1 / Protein poly-ADP-ribosyltransferase PARP1


Mass: 115433.406 Da / Num. of mol.: 1
Source method: isolated from a genetically manipulated source
Source: (gene. exp.) Homo sapiens (human) / Gene: PARP1, ADPRT, PPOL / Production host: Escherichia coli (E. coli)
References: UniProt: P09874, NAD+ ADP-ribosyltransferase, Transferases; Glycosyltransferases; Pentosyltransferases
#2: Protein Histone PARylation factor 1


Mass: 39582.160 Da / Num. of mol.: 1
Source method: isolated from a genetically manipulated source
Source: (gene. exp.) Homo sapiens (human) / Gene: HPF1, C4orf27 / Production host: Escherichia coli (E. coli) / References: UniProt: Q9NWY4
#3: Chemical ChemComp-UHB / 2-[4-[(2S,3S,4R,5R)-5-(6-aminopurin-9-yl)-3,4-bis(oxidanyl)oxolan-2-yl]carbonylpiperazin-1-yl]-N-(1-oxidanylidene-2,3-dihydroisoindol-4-yl)ethanamide


Mass: 537.528 Da / Num. of mol.: 1 / Source method: obtained synthetically / Formula: C24H27N9O6 / Feature type: SUBJECT OF INVESTIGATION
Has ligand of interestY
Has protein modificationN

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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: Full-length human PARP1 bound to nicked DNA and in complex with HPF1 and Timeless fragment
Type: COMPLEX / Entity ID: #1-#2 / Source: RECOMBINANT
Molecular weightValue: 0.18 MDa / Experimental value: YES
Source (natural)Organism: Homo sapiens (human)
Source (recombinant)Organism: Escherichia coli (E. coli)
Buffer solutionpH: 8
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: Talos Arctica / Image courtesy: FEI Company
MicroscopyModel: FEI TALOS ARCTICA
Electron gunElectron source: FIELD EMISSION GUN / Accelerating voltage: 200 kV / Illumination mode: FLOOD BEAM
Electron lensMode: BRIGHT FIELD / Nominal defocus max: 2500 nm / Nominal defocus min: 700 nm
Image recordingElectron dose: 50.4 e/Å2 / Film or detector model: GATAN K3 (6k x 4k) / Num. of real images: 4246

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Processing

CTF correctionType: PHASE FLIPPING AND AMPLITUDE CORRECTION
3D reconstructionResolution: 4.3 Å / Resolution method: FSC 0.143 CUT-OFF / Num. of particles: 176000 / Symmetry type: POINT

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