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- PDB-8t9a: CryoEM structure of human DDB1-DCAF12 in complex with MAGEA3 -

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Basic information

Entry
Database: PDB / ID: 8t9a
TitleCryoEM structure of human DDB1-DCAF12 in complex with MAGEA3
Components
  • DDB1- and CUL4-associated factor 12
  • DNA damage-binding protein 1
  • Melanoma-associated antigen 3
KeywordsLIGASE / DCAF12 / DNA damage-binding protein 1 / DDB1 / E3 ligase
Function / homology
Function and homology information


caspase binding / positive regulation by virus of viral protein levels in host cell / ubiquitin-dependent protein catabolic process via the C-end degron rule pathway / epigenetic programming in the zygotic pronuclei / spindle assembly involved in female meiosis / Cul4-RING E3 ubiquitin ligase complex / UV-damage excision repair / negative regulation of protein processing / biological process involved in interaction with symbiont / regulation of mitotic cell cycle phase transition ...caspase binding / positive regulation by virus of viral protein levels in host cell / ubiquitin-dependent protein catabolic process via the C-end degron rule pathway / epigenetic programming in the zygotic pronuclei / spindle assembly involved in female meiosis / Cul4-RING E3 ubiquitin ligase complex / UV-damage excision repair / negative regulation of protein processing / biological process involved in interaction with symbiont / regulation of mitotic cell cycle phase transition / WD40-repeat domain binding / Cul4A-RING E3 ubiquitin ligase complex / Cul4B-RING E3 ubiquitin ligase complex / ubiquitin ligase complex scaffold activity / negative regulation of reproductive process / negative regulation of developmental process / cullin family protein binding / viral release from host cell / ectopic germ cell programmed cell death / ubiquitin-like ligase-substrate adaptor activity / positive regulation of viral genome replication / proteasomal protein catabolic process / negative regulation of endoplasmic reticulum stress-induced intrinsic apoptotic signaling pathway / positive regulation of gluconeogenesis / negative regulation of autophagy / T cell activation / nucleotide-excision repair / Recognition of DNA damage by PCNA-containing replication complex / regulation of circadian rhythm / DNA Damage Recognition in GG-NER / Dual Incision in GG-NER / Transcription-Coupled Nucleotide Excision Repair (TC-NER) / Formation of TC-NER Pre-Incision Complex / Wnt signaling pathway / histone deacetylase binding / Formation of Incision Complex in GG-NER / positive regulation of protein catabolic process / Dual incision in TC-NER / Gap-filling DNA repair synthesis and ligation in TC-NER / cellular response to UV / rhythmic process / site of double-strand break / Neddylation / ubiquitin-dependent protein catabolic process / protein-macromolecule adaptor activity / proteasome-mediated ubiquitin-dependent protein catabolic process / damaged DNA binding / chromosome, telomeric region / regulation of autophagy / protein ubiquitination / DNA repair / apoptotic process / centrosome / DNA damage response / protein-containing complex binding / negative regulation of apoptotic process / nucleolus / negative regulation of transcription by RNA polymerase II / endoplasmic reticulum / protein-containing complex / DNA binding / extracellular space / extracellular exosome / nucleoplasm / nucleus / cytosol / cytoplasm
Similarity search - Function
: / : / DDB1- and CUL4-associated factor 12 beta propeller / Melanoma associated antigen, N-terminal / Melanoma associated antigen family N terminal / Melanoma associated antigen family N terminal / MAGE conserved domain profile. / MAGE homology domain / Melanoma-associated antigen / MAGE homology domain, winged helix WH1 motif ...: / : / DDB1- and CUL4-associated factor 12 beta propeller / Melanoma associated antigen, N-terminal / Melanoma associated antigen family N terminal / Melanoma associated antigen family N terminal / MAGE conserved domain profile. / MAGE homology domain / Melanoma-associated antigen / MAGE homology domain, winged helix WH1 motif / MAGE homology domain, winged helix WH2 motif / MAGE homology domain / Melanoma-associated antigen / RSE1/DDB1/CPSF1 second beta-propeller / Cleavage/polyadenylation specificity factor, A subunit, C-terminal / Cleavage/polyadenylation specificity factor, A subunit, N-terminal / : / CPSF A subunit region / RSE1/DDB1/CPSF1 first beta-propeller / WD40 repeat, conserved site / Trp-Asp (WD) repeats signature. / Trp-Asp (WD) repeats profile. / Trp-Asp (WD) repeats circular profile. / WD40 repeats / WD40 repeat / WD40-repeat-containing domain superfamily / WD40/YVTN repeat-like-containing domain superfamily
Similarity search - Domain/homology
Melanoma-associated antigen 3 / DNA damage-binding protein 1 / DDB1- and CUL4-associated factor 12
Similarity search - Component
Biological speciesHomo sapiens (human)
MethodELECTRON MICROSCOPY / single particle reconstruction / cryo EM / Resolution: 3.17 Å
AuthorsDuda, D. / Righetto, G. / Li, Y. / Loppnau, P. / Seitova, A. / Santhakumar, V. / Halabelian, L. / Yin, Y.
Funding support1items
OrganizationGrant numberCountry
Other government
CitationJournal: PNAS Nexus / Year: 2024
Title: Probing the CRL4 interactions with MAGEA3 and CCT5 di-Glu C-terminal degrons.
Authors: Germanna Lima Righetto / Yanting Yin / David M Duda / Victoria Vu / Magdalena M Szewczyk / Hong Zeng / Yanjun Li / Peter Loppnau / Tony Mei / Yen-Yen Li / Alma Seitova / Aaron N Patrick / ...Authors: Germanna Lima Righetto / Yanting Yin / David M Duda / Victoria Vu / Magdalena M Szewczyk / Hong Zeng / Yanjun Li / Peter Loppnau / Tony Mei / Yen-Yen Li / Alma Seitova / Aaron N Patrick / Jean-Francois Brazeau / Charu Chaudhry / Dalia Barsyte-Lovejoy / Vijayaratnam Santhakumar / Levon Halabelian /
Abstract: Damaged DNA-binding protein-1 (DDB1)- and CUL4-associated factor 12 (DCAF12) serves as the substrate recognition component within the Cullin4-RING E3 ligase (CRL4) complex, capable of identifying C- ...Damaged DNA-binding protein-1 (DDB1)- and CUL4-associated factor 12 (DCAF12) serves as the substrate recognition component within the Cullin4-RING E3 ligase (CRL4) complex, capable of identifying C-terminal double-glutamic acid degrons to promote the degradation of specific substrates through the ubiquitin proteasome system. Melanoma-associated antigen 3 (MAGEA3) and T-complex protein 1 subunit epsilon (CCT5) proteins have been identified as cellular targets of DCAF12. To further characterize the interactions between DCAF12 and both MAGEA3 and CCT5, we developed a suite of biophysical and proximity-based cellular NanoBRET assays showing that the C-terminal degron peptides of both MAGEA3 and CCT5 form nanomolar affinity interactions with DCAF12 in vitro and in cells. Furthermore, we report here the 3.17 Å cryo-EM structure of DDB1-DCAF12-MAGEA3 complex revealing the key DCAF12 residues responsible for C-terminal degron recognition and binding. Our study provides new insights and tools to enable the discovery of small molecule handles targeting the WD40-repeat domain of DCAF12 for future proteolysis targeting chimera design and development.
History
DepositionJun 23, 2023Deposition site: RCSB / Processing site: RCSB
Revision 1.0Apr 10, 2024Provider: repository / Type: Initial release
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Structure visualization

Structure viewerMolecule:
MolmilJmol/JSmol

Downloads & links

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Assembly

Deposited unit
A: DNA damage-binding protein 1
B: DDB1- and CUL4-associated factor 12
C: Melanoma-associated antigen 3


Theoretical massNumber of molelcules
Total (without water)203,8913
Polymers203,8913
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

#1: Protein DNA damage-binding protein 1 / DDB p127 subunit / DNA damage-binding protein a / DDBa / Damage-specific DNA-binding protein 1 / ...DDB p127 subunit / DNA damage-binding protein a / DDBa / Damage-specific DNA-binding protein 1 / HBV X-associated protein 1 / XAP-1 / UV-damaged DNA-binding factor / UV-damaged DNA-binding protein 1 / UV-DDB 1 / XPE-binding factor / XPE-BF / Xeroderma pigmentosum group E-complementing protein / XPCe


Mass: 127097.469 Da / Num. of mol.: 1
Source method: isolated from a genetically manipulated source
Source: (gene. exp.) Homo sapiens (human) / Gene: DDB1, XAP1 / Production host: Spodoptera frugiperda (fall armyworm) / References: UniProt: Q16531
#2: Protein DDB1- and CUL4-associated factor 12 / Centrosome-related protein TCC52 / Testis cancer centrosome-related protein / WD repeat-containing protein 40A


Mass: 52760.512 Da / Num. of mol.: 1
Source method: isolated from a genetically manipulated source
Source: (gene. exp.) Homo sapiens (human) / Gene: DCAF12, KIAA1892, TCC52, WDR40A / Production host: Spodoptera frugiperda (fall armyworm) / References: UniProt: Q5T6F0
#3: Protein Melanoma-associated antigen 3 / Antigen MZ2-D / Cancer/testis antigen 1.3 / CT1.3 / MAGE-3 antigen


Mass: 24032.760 Da / Num. of mol.: 1
Source method: isolated from a genetically manipulated source
Source: (gene. exp.) Homo sapiens (human) / Gene: MAGEA3, MAGE3 / Production host: Spodoptera frugiperda (fall armyworm) / References: UniProt: P43357
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: Ternary complex of DCAF12-DDB1-MAGEA3 / Type: COMPLEX / Entity ID: all / Source: RECOMBINANT
Molecular weightExperimental value: NO
Source (natural)Organism: Homo sapiens (human)
Source (recombinant)Organism: Spodoptera frugiperda (fall armyworm)
Buffer solutionpH: 8
SpecimenConc.: 0.2 mg/ml / Embedding applied: NO / Shadowing applied: NO / Staining applied: NO / Vitrification applied: YES
VitrificationCryogen name: ETHANE / Humidity: 100 % / Chamber temperature: 4 K

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Electron microscopy imaging

MicroscopyModel: TFS GLACIOS
Electron gunElectron source: FIELD EMISSION GUN / Accelerating voltage: 200 kV / Illumination mode: FLOOD BEAM
Electron lensMode: DIFFRACTION / Nominal defocus max: 2200 nm / Nominal defocus min: 800 nm
Image recordingElectron dose: 1 e/Å2 / Film or detector model: FEI FALCON IV (4k x 4k)

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Processing

EM softwareName: PHENIX / Category: model refinement
CTF correctionType: PHASE FLIPPING AND AMPLITUDE CORRECTION
3D reconstructionResolution: 3.17 Å / Resolution method: FSC 0.143 CUT-OFF / Num. of particles: 476215 / Symmetry type: POINT
Refine LS restraints
Refine-IDTypeDev idealNumber
ELECTRON MICROSCOPYf_bond_d0.01112013
ELECTRON MICROSCOPYf_angle_d0.93416275
ELECTRON MICROSCOPYf_dihedral_angle_d3.9157200
ELECTRON MICROSCOPYf_chiral_restr0.0561854
ELECTRON MICROSCOPYf_plane_restr0.0062093

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