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Yorodumi- PDB-9nfv: Human SRCAP-CFDP1-nucleosome complex in the poised state of the H... -
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Open data
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Basic information
| Entry | Database: PDB / ID: 9nfv | |||||||||||||||
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| Title | Human SRCAP-CFDP1-nucleosome complex in the poised state of the H2A.Z histone exchange reaction (composite structure) | |||||||||||||||
Components |
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Keywords | GENE REGULATION / Chromatin Remodeler / Snf2 family ATPase / H2A.Z | |||||||||||||||
| Function / homology | Function and homology informationpositive regulation of lymphoid progenitor cell differentiation / catalytic activity, acting on a protein / hematopoietic stem cell homeostasis / intestinal stem cell homeostasis / RPAP3/R2TP/prefoldin-like complex / promoter-enhancer loop anchoring activity / telomerase RNA localization to Cajal body / muscle cell differentiation / positive regulation of telomere maintenance in response to DNA damage / regulation of DNA strand elongation ...positive regulation of lymphoid progenitor cell differentiation / catalytic activity, acting on a protein / hematopoietic stem cell homeostasis / intestinal stem cell homeostasis / RPAP3/R2TP/prefoldin-like complex / promoter-enhancer loop anchoring activity / telomerase RNA localization to Cajal body / muscle cell differentiation / positive regulation of telomere maintenance in response to DNA damage / regulation of DNA strand elongation / histone chaperone activity / R2TP complex / dynein axonemal particle / Swr1 complex / establishment of protein localization to chromatin / heart process / Ino80 complex / negative regulation of transcription by RNA polymerase I / regulation of double-strand break repair / box C/D snoRNP assembly / ATP-dependent chromatin remodeler activity / nucleolus organization / positive regulation of DNA damage response, signal transduction by p53 class mediator / regulation of chromosome organization / positive regulation of transcription by RNA polymerase I / NuA4 histone acetyltransferase complex / MLL1 complex / regulation of DNA replication / TFIID-class transcription factor complex binding / protein folding chaperone complex / Telomere Extension By Telomerase / positive regulation of transcription initiation by RNA polymerase II / cAMP/PKA signal transduction / RNA polymerase II core promoter sequence-specific DNA binding / calcium ion homeostasis / positive regulation of double-strand break repair via homologous recombination / nucleosome binding / regulation of embryonic development / telomere maintenance / Deposition of new CENPA-containing nucleosomes at the centromere / TBP-class protein binding / DNA helicase activity / transcription initiation-coupled chromatin remodeling / cellular response to estradiol stimulus / negative regulation of canonical Wnt signaling pathway / euchromatin / chromatin DNA binding / ADP binding / beta-catenin binding / Formation of the beta-catenin:TCF transactivating complex / DNA Damage Recognition in GG-NER / Hydrolases; Acting on acid anhydrides; Acting on acid anhydrides to facilitate cellular and subcellular movement / histone deacetylase binding / nucleosomal DNA binding / kinetochore / nuclear matrix / innate immune response in mucosa / cellular response to UV / positive regulation of canonical Wnt signaling pathway / : / structural constituent of chromatin / transcription corepressor activity / nucleosome / UCH proteinases / nucleosome assembly / HATs acetylate histones / ATPase binding / ciliary basal body / protein folding / antimicrobial humoral immune response mediated by antimicrobial peptide / DNA recombination / heterochromatin formation / spermatogenesis / histone binding / antibacterial humoral response / chromatin organization / DNA helicase / regulation of apoptotic process / cytoskeleton / nuclear body / regulation of cell cycle / transcription coactivator activity / nuclear speck / protein stabilization / Ub-specific processing proteases / RNA polymerase II cis-regulatory region sequence-specific DNA binding / cadherin binding / chromatin remodeling / protein heterodimerization activity / ribonucleoprotein complex / cell division / DNA repair / centrosome / regulation of transcription by RNA polymerase II / nucleolus / regulation of DNA-templated transcription / positive regulation of DNA-templated transcription / perinuclear region of cytoplasm / negative regulation of transcription by RNA polymerase II / positive regulation of transcription by RNA polymerase II Similarity search - Function | |||||||||||||||
| Biological species | Homo sapiens (human)synthetic construct (others) | |||||||||||||||
| Method | ELECTRON MICROSCOPY / single particle reconstruction / cryo EM / Resolution: 3.8 Å | |||||||||||||||
Authors | Louder, R.K. / Park, G. | |||||||||||||||
| Funding support | United States, 1items
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Citation | Journal: Sci Adv / Year: 2026Title: Structural mechanism of histone H2A.Z exchange by human SRCAP-CFDP1 holoenzyme. Authors: Giho Park / Carl Wu / Robert K Louder / ![]() Abstract: The conserved yeast SWR1 and human SRCAP chromatin remodeling complexes catalyze exchange of nucleosomal histone H2A for H2A.Z, but the underlying mechanism has remained obscure. Here, we show that ...The conserved yeast SWR1 and human SRCAP chromatin remodeling complexes catalyze exchange of nucleosomal histone H2A for H2A.Z, but the underlying mechanism has remained obscure. Here, we show that histone exchange by SRCAP requires the transient activator CFDP1 and resolve nine cryo-electron microscopy structures of the SRCAP-CFDP1 holoenzyme that define the stepwise exchange mechanism. CFDP1 recognizes the conformation of the fully engaged SRCAP-nucleosome complex through interactions with multiple subunits-including direct contact with the ATPase domain-and induces conformational transitions that drive extensive DNA unwrapping, eviction of the H2A-H2B dimer, and insertion of the H2A.Z-H2B dimer, all without necessarily requiring hydrolysis of bound ATP. Collectively, these findings provide unprecedented insight into the mechanism of activator- and nucleotide-driven histone exchange from nucleosomal H2A to H2A.Z. | |||||||||||||||
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Structure visualization
| Structure viewer | Molecule: Molmil Jmol/JSmol |
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Downloads & links
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Download
| PDBx/mmCIF format | 9nfv.cif.gz | 1.2 MB | Display | PDBx/mmCIF format |
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| PDB format | pdb9nfv.ent.gz | Display | PDB format | |
| PDBx/mmJSON format | 9nfv.json.gz | Tree view | PDBx/mmJSON format | |
| Others | Other downloads |
-Validation report
| Arichive directory | https://data.pdbj.org/pub/pdb/validation_reports/nf/9nfv ftp://data.pdbj.org/pub/pdb/validation_reports/nf/9nfv | HTTPS FTP |
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-Related structure data
| Related structure data | ![]() 49374MC ![]() 9ca7C ![]() 9ca8C ![]() 9ca9C ![]() 9caaC ![]() 9nfwC ![]() 9nfxC ![]() 9nfyC ![]() 9nfzC ![]() 9ng0C ![]() 9pgcC ![]() 9pgdC ![]() 9y3dC ![]() 9y3eC ![]() 9y3fC ![]() 9y3gC ![]() 9y3hC ![]() 9zlaC M: map data used to model this data C: citing same article ( |
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| Similar structure data | Similarity search - Function & homology F&H Search |
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Links
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Assembly
| Deposited unit | ![]()
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Components
-Protein , 11 types, 19 molecules ABCDEGIFHJPQSRTUWVX
| #1: Protein | Mass: 343915.250 Da / Num. of mol.: 1 / Source method: isolated from a natural source / Source: (natural) Homo sapiens (human) / Cell line: K-562 / Organ: BLOOD / Tissue: BONE MARROWReferences: UniProt: Q6ZRS2, Hydrolases; Acting on acid anhydrides; Acting on acid anhydrides to facilitate cellular and subcellular movement | ||||||||||||
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| #2: Protein | Mass: 40658.363 Da / Num. of mol.: 1 / Source method: isolated from a natural source / Source: (natural) Homo sapiens (human) / Cell line: K-562 / Organ: BLOOD / Tissue: BONE MARROW / References: UniProt: Q15906 | ||||||||||||
| #3: Protein | Mass: 45857.902 Da / Num. of mol.: 1 / Source method: isolated from a natural source / Source: (natural) Homo sapiens (human) / Cell line: K-562 / Organ: BLOOD / Tissue: BONE MARROW / References: UniProt: Q9GZN1 | ||||||||||||
| #4: Protein | Mass: 17567.023 Da / Num. of mol.: 1 / Source method: isolated from a natural source / Source: (natural) Homo sapiens (human) / Cell line: K-562 / Organ: BLOOD / Tissue: BONE MARROW / References: UniProt: O43257 | ||||||||||||
| #5: Protein | Mass: 50296.914 Da / Num. of mol.: 3 Source method: isolated from a genetically manipulated source Source: (gene. exp.) Homo sapiens (human) / Gene: RUVBL1, INO80H, NMP238, TIP49, TIP49A / Production host: Homo sapiens (human) / References: UniProt: Q9Y265, DNA helicase#6: Protein | Mass: 51222.465 Da / Num. of mol.: 3 / Source method: isolated from a natural source / Source: (natural) Homo sapiens (human) / Cell line: K-562 / Organ: BLOOD / Tissue: BONE MARROW / References: UniProt: Q9Y230, DNA helicase#7: Protein | | Mass: 33646.902 Da / Num. of mol.: 1 Source method: isolated from a genetically manipulated source Source: (gene. exp.) Homo sapiens (human) / Gene: CFDP1, BCNT, CENP-29 / Production host: ![]() #8: Protein | Mass: 13907.163 Da / Num. of mol.: 2 Source method: isolated from a genetically manipulated source Source: (gene. exp.) ![]() #9: Protein | Mass: 13848.097 Da / Num. of mol.: 2 Source method: isolated from a genetically manipulated source Source: (gene. exp.) ![]() #10: Protein | Mass: 15303.930 Da / Num. of mol.: 2 Source method: isolated from a genetically manipulated source Source: (gene. exp.) ![]() #11: Protein | Mass: 11263.231 Da / Num. of mol.: 2 Source method: isolated from a genetically manipulated source Source: (gene. exp.) ![]() |
-DNA chain , 2 types, 2 molecules YZ
| #12: DNA chain | Mass: 87851.664 Da / Num. of mol.: 1 / Source method: obtained synthetically / Source: (synth.) synthetic construct (others) |
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| #13: DNA chain | Mass: 88190.930 Da / Num. of mol.: 1 / Source method: obtained synthetically / Source: (synth.) synthetic construct (others) |
-Non-polymers , 4 types, 15 molecules 






| #14: Chemical | | #15: Chemical | ChemComp-MG / #16: Chemical | #17: Chemical | ChemComp-ADP / |
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-Details
| Has ligand of interest | N |
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| Has protein modification | N |
-Experimental details
-Experiment
| Experiment | Method: ELECTRON MICROSCOPY |
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| EM experiment | Aggregation state: PARTICLE / 3D reconstruction method: single particle reconstruction |
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Sample preparation
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| Molecular weight |
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| Source (natural) | Cellular location: NUCLEOPLASM / Ncbi tax-ID: 9606 / Organ: BLOOD / Organelle: NUCLEUS / Organism:
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| Buffer solution | pH: 7.6 | |||||||||||||||||||||
| Specimen | Embedding applied: NO / Shadowing applied: NO / Staining applied: NO / Vitrification applied: YES | |||||||||||||||||||||
| Vitrification | Cryogen name: ETHANE |
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Electron microscopy imaging
| Experimental equipment | ![]() Model: Titan Krios / Image courtesy: FEI Company |
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| Microscopy | Model: TFS KRIOS |
| Electron gun | Electron source: FIELD EMISSION GUN / Accelerating voltage: 300 kV / Illumination mode: FLOOD BEAM |
| Electron lens | Mode: BRIGHT FIELD / Nominal defocus max: 1600 nm / Nominal defocus min: 800 nm |
| Image recording | Electron dose: 50 e/Å2 / Film or detector model: GATAN K3 (6k x 4k) |
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Processing
| EM software | Name: PHENIX / Version: 1.21_5207 / Category: model refinement | ||||||||||||||||||||||||
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| CTF correction | Type: PHASE FLIPPING AND AMPLITUDE CORRECTION | ||||||||||||||||||||||||
| 3D reconstruction | Resolution: 3.8 Å / Resolution method: FSC 0.143 CUT-OFF / Num. of particles: 22651 / Symmetry type: POINT | ||||||||||||||||||||||||
| Refinement | Cross valid method: NONE Stereochemistry target values: GeoStd + Monomer Library + CDL v1.2 | ||||||||||||||||||||||||
| Displacement parameters | Biso mean: 108.26 Å2 | ||||||||||||||||||||||||
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About Yorodumi



Homo sapiens (human)
United States, 1items
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FIELD EMISSION GUN