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Yorodumi- PDB-6ue5: Crystal structure of full-length human DCAF15-DDB1-deltaPBP-DDA1-... -
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Basic information
| Entry | Database: PDB / ID: 6ue5 | ||||||
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| Title | Crystal structure of full-length human DCAF15-DDB1-deltaPBP-DDA1-RBM39 in complex with 4-(aminomethyl)-N-(3-cyano-4-methyl-1H-indol-7-yl)benzenesulfonamide | ||||||
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Keywords | LIGASE / E3 ligase / neosubstrate | ||||||
| Function / homology | Function and homology informationRS domain binding / U1 snRNP binding / regulation of mRNA splicing, via spliceosome / positive regulation by virus of viral protein levels in host cell / spindle assembly involved in female meiosis / epigenetic programming in the zygotic pronuclei / UV-damage excision repair / biological process involved in interaction with symbiont / regulation of mitotic cytokinesis / regulation of mitotic cell cycle phase transition ...RS domain binding / U1 snRNP binding / regulation of mRNA splicing, via spliceosome / positive regulation by virus of viral protein levels in host cell / spindle assembly involved in female meiosis / epigenetic programming in the zygotic pronuclei / UV-damage excision repair / biological process involved in interaction with symbiont / regulation of mitotic cytokinesis / regulation of mitotic cell cycle phase transition / regulation of miRNA-mediated gene silencing / regulation of natural killer cell activation / small molecule binding / WD40-repeat domain binding / regulation of cell cycle phase transition / Cul4A-RING E3 ubiquitin ligase complex / Cul4-RING E3 ubiquitin ligase complex / regulation of stem cell population maintenance / Cul4B-RING E3 ubiquitin ligase complex / ubiquitin ligase complex scaffold activity / negative regulation of adipose tissue development / regulation of cellular response to stress / viral release from host cell / cullin family protein binding / regulation of DNA-templated DNA replication initiation / RNA processing / positive regulation of viral genome replication / positive regulation of gluconeogenesis / immune system process / mRNA Splicing - Major Pathway / RNA splicing / regulation of embryonic development / replication fork processing / proteasomal protein catabolic process / epigenetic regulation of gene expression / nucleotide-excision repair / Recognition of DNA damage by PCNA-containing replication complex / regulation of autophagy / regulation of circadian rhythm / DNA Damage Recognition in GG-NER / cell population proliferation / Dual Incision in GG-NER / Transcription-Coupled Nucleotide Excision Repair (TC-NER) / Formation of TC-NER Pre-Incision Complex / mRNA processing / mRNA Polyadenylation / protein polyubiquitination / Formation of Incision Complex in GG-NER / positive regulation of protein catabolic process / cellular response to UV / Dual incision in TC-NER / Gap-filling DNA repair synthesis and ligation in TC-NER / positive regulation of proteasomal ubiquitin-dependent protein catabolic process / regulation of cell population proliferation / rhythmic process / site of double-strand break / Neddylation / spermatogenesis / ubiquitin-dependent protein catabolic process / damaged DNA binding / proteasome-mediated ubiquitin-dependent protein catabolic process / regulation of apoptotic process / protein-macromolecule adaptor activity / chromosome, telomeric region / nuclear speck / protein ubiquitination / DNA repair / DNA damage response / nucleolus / protein-containing complex binding / protein-containing complex / DNA binding / : / DNA-templated transcription / RNA binding / extracellular exosome / nucleoplasm / metal ion binding / nucleus / cytoplasm Similarity search - Function | ||||||
| Biological species | Homo sapiens (human) | ||||||
| Method | X-RAY DIFFRACTION / SYNCHROTRON / MOLECULAR REPLACEMENT / molecular replacement / Resolution: 2.61 Å | ||||||
Authors | Knapp, M.S. / Shu, W. / Xie, L. / Bussiere, D.E. | ||||||
Citation | Journal: Nat Chem Biol / Year: 2020Title: Structural basis of indisulam-mediated RBM39 recruitment to DCAF15 E3 ligase complex. Authors: Dirksen E Bussiere / Lili Xie / Honnappa Srinivas / Wei Shu / Ashley Burke / Celine Be / Junping Zhao / Adarsh Godbole / Dan King / Rajeshri G Karki / Viktor Hornak / Fangmin Xu / Jennifer ...Authors: Dirksen E Bussiere / Lili Xie / Honnappa Srinivas / Wei Shu / Ashley Burke / Celine Be / Junping Zhao / Adarsh Godbole / Dan King / Rajeshri G Karki / Viktor Hornak / Fangmin Xu / Jennifer Cobb / Nathalie Carte / Andreas O Frank / Alexandra Frommlet / Patrick Graff / Mark Knapp / Aleem Fazal / Barun Okram / Songchun Jiang / Pierre-Yves Michellys / Rohan Beckwith / Hans Voshol / Christian Wiesmann / Jonathan M Solomon / Joshiawa Paulk / ![]() Abstract: The anticancer agent indisulam inhibits cell proliferation by causing degradation of RBM39, an essential mRNA splicing factor. Indisulam promotes an interaction between RBM39 and the DCAF15 E3 ligase ...The anticancer agent indisulam inhibits cell proliferation by causing degradation of RBM39, an essential mRNA splicing factor. Indisulam promotes an interaction between RBM39 and the DCAF15 E3 ligase substrate receptor, leading to RBM39 ubiquitination and proteasome-mediated degradation. To delineate the precise mechanism by which indisulam mediates the DCAF15-RBM39 interaction, we solved the DCAF15-DDB1-DDA1-indisulam-RBM39(RRM2) complex structure to a resolution of 2.3 Å. DCAF15 has a distinct topology that embraces the RBM39(RRM2) domain largely via non-polar interactions, and indisulam binds between DCAF15 and RBM39(RRM2), coordinating additional interactions between the two proteins. Studies with RBM39 point mutants and indisulam analogs validated the structural model and defined the RBM39 α-helical degron motif. The degron is found only in RBM23 and RBM39, and only these proteins were detectably downregulated in indisulam-treated HCT116 cells. This work further explains how indisulam induces RBM39 degradation and defines the challenge of harnessing DCAF15 to degrade additional targets. | ||||||
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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 | 6ue5.cif.gz | 586.6 KB | Display | PDBx/mmCIF format |
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| PDB format | pdb6ue5.ent.gz | 473.8 KB | Display | PDB format |
| PDBx/mmJSON format | 6ue5.json.gz | Tree view | PDBx/mmJSON format | |
| Others | Other downloads |
-Validation report
| Arichive directory | https://data.pdbj.org/pub/pdb/validation_reports/ue/6ue5 ftp://data.pdbj.org/pub/pdb/validation_reports/ue/6ue5 | HTTPS FTP |
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-Related structure data
| Related structure data | ![]() 6sj7C ![]() 6ud7SC S: Starting model for refinement C: citing same article ( |
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| Similar structure data |
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Links
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Assembly
| Deposited unit | ![]()
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| Unit cell |
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Components
-Protein , 4 types, 4 molecules ABCD
| #1: Protein | Mass: 66563.297 Da / Num. of mol.: 1 Source method: isolated from a genetically manipulated source Source: (gene. exp.) Homo sapiens (human) / Gene: DCAF15, C19orf72 / Production host: ![]() |
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| #2: Protein | Mass: 93347.078 Da / Num. of mol.: 1 Source method: isolated from a genetically manipulated source Source: (gene. exp.) Homo sapiens (human) / Gene: DDB1, XAP1 / Production host: ![]() |
| #3: Protein | Mass: 9085.409 Da / Num. of mol.: 1 Source method: isolated from a genetically manipulated source Source: (gene. exp.) Homo sapiens (human) / Gene: DKFZp781I1140 / Production host: ![]() |
| #4: Protein | Mass: 11724.102 Da / Num. of mol.: 1 Source method: isolated from a genetically manipulated source Source: (gene. exp.) Homo sapiens (human) / Gene: DDA1, C19orf58, PCIA1 / Production host: ![]() |
-Non-polymers , 3 types, 517 molecules 




| #5: Chemical | ChemComp-Q5J / |
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| #6: Chemical | ChemComp-GOL / |
| #7: Water | ChemComp-HOH / |
-Details
| Has ligand of interest | Y |
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| Has protein modification | Y |
-Experimental details
-Experiment
| Experiment | Method: X-RAY DIFFRACTION / Number of used crystals: 1 |
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Sample preparation
| Crystal | Density Matthews: 2.85 Å3/Da / Density % sol: 56.84 % |
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| Crystal grow | Temperature: 291.5 K / Method: vapor diffusion, hanging drop / pH: 5 Details: 2% (v:v) TacsimateTM, pH 5.0, 0.1 M sodium citrate tribasic 676 dihydrate, pH 5.6, and 10-20% (w:v) polyethylene glycol 3350 PH range: 5-5.6 |
-Data collection
| Diffraction | Mean temperature: 100 K / Serial crystal experiment: N |
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| Diffraction source | Source: SYNCHROTRON / Site: ALS / Beamline: 5.0.2 / Wavelength: 1 Å |
| Detector | Type: DECTRIS PILATUS3 R CdTe 300K / Detector: PIXEL / Date: Aug 17, 2018 |
| Radiation | Monochromator: Si / Protocol: SINGLE WAVELENGTH / Monochromatic (M) / Laue (L): M / Scattering type: x-ray |
| Radiation wavelength | Wavelength: 1 Å / Relative weight: 1 |
| Reflection | Resolution: 2.61→81.79 Å / Num. obs: 63346 / % possible obs: 100 % / Redundancy: 19.6 % / Biso Wilson estimate: 44.13 Å2 / CC1/2: 0.985 / Rmerge(I) obs: 0.487 / Rpim(I) all: 0.113 / Rrim(I) all: 0.5 / Net I/σ(I): 6.2 |
| Reflection shell | Resolution: 2.61→2.69 Å / Redundancy: 19.3 % / Rmerge(I) obs: 3.221 / Num. unique obs: 4597 / CC1/2: 0.326 / Rpim(I) all: 0.752 / Rrim(I) all: 3.309 / % possible all: 100 |
-Phasing
| Phasing | Method: molecular replacement |
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Processing
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| Refinement | Method to determine structure: MOLECULAR REPLACEMENTStarting model: 6UD7 Resolution: 2.61→78.13 Å / Cor.coef. Fo:Fc: 0.867 / Cor.coef. Fo:Fc free: 0.833 / SU R Cruickshank DPI: 0.49 / Cross valid method: THROUGHOUT / σ(F): 0 / SU R Blow DPI: 0.512 / SU Rfree Blow DPI: 0.292 / SU Rfree Cruickshank DPI: 0.293
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| Displacement parameters | Biso max: 273.4 Å2 / Biso mean: 75.62 Å2 / Biso min: 13.19 Å2
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| Refine analyze | Luzzati coordinate error obs: 0.53 Å | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Refinement step | Cycle: final / Resolution: 2.61→78.13 Å
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| Refine LS restraints |
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| LS refinement shell | Resolution: 2.61→2.63 Å / Rfactor Rfree error: 0 / Total num. of bins used: 50
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| Refinement TLS params. | Method: refined / Refine-ID: X-RAY DIFFRACTION
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| Refinement TLS group |
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Homo sapiens (human)
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