- EMDB-12965: Cryo-EM Structure of the DDB1-DCAF1-CUL4A-RBX1-CSN Complex -
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Basic information
Entry
Database: EMDB / ID: EMD-12965
Title
Cryo-EM Structure of the DDB1-DCAF1-CUL4A-RBX1-CSN Complex
Map data
Sample
Complex: CRL4(DCAF1)-CSN
Protein or peptide: x 11 types
Function / homology
Function and homology information
histone H2AT120 kinase activity / cell competition in a multicellular organism / negative regulation of granulocyte differentiation / cullin-RING-type E3 NEDD8 transferase / cellular response to chemical stress / NEDD8 transferase activity / cullin-RING ubiquitin ligase complex / positive regulation by virus of viral protein levels in host cell / V(D)J recombination / regulation of DNA damage checkpoint ...histone H2AT120 kinase activity / cell competition in a multicellular organism / negative regulation of granulocyte differentiation / cullin-RING-type E3 NEDD8 transferase / cellular response to chemical stress / NEDD8 transferase activity / cullin-RING ubiquitin ligase complex / positive regulation by virus of viral protein levels in host cell / V(D)J recombination / regulation of DNA damage checkpoint / regulation of nucleotide-excision repair / Cul7-RING ubiquitin ligase complex / ubiquitin-dependent protein catabolic process via the C-end degron rule pathway / epigenetic programming in the zygotic pronuclei / spindle assembly involved in female meiosis / Loss of Function of FBXW7 in Cancer and NOTCH1 Signaling / Cul4-RING E3 ubiquitin ligase complex / positive regulation of protein autoubiquitination / UV-damage excision repair / protein neddylation / NEDD8 ligase activity / biological process involved in interaction with symbiont / Cul5-RING ubiquitin ligase complex / negative regulation of response to oxidative stress / ubiquitin-ubiquitin ligase activity / WD40-repeat domain binding / regulation of mitotic cell cycle phase transition / Cul4A-RING E3 ubiquitin ligase complex / SCF ubiquitin ligase complex / Cul2-RING ubiquitin ligase complex / negative regulation of type I interferon production / Cul4B-RING E3 ubiquitin ligase complex / ubiquitin ligase complex scaffold activity / SCF-dependent proteasomal ubiquitin-dependent protein catabolic process / Cul3-RING ubiquitin ligase complex / Prolactin receptor signaling / negative regulation of reproductive process / negative regulation of developmental process / protein monoubiquitination / somatic stem cell population maintenance / cullin family protein binding / hemopoiesis / ubiquitin-like ligase-substrate adaptor activity / viral release from host cell / ectopic germ cell programmed cell death / proteasomal protein catabolic process / positive regulation of viral genome replication / positive regulation of G1/S transition of mitotic cell cycle / protein K48-linked ubiquitination / Nuclear events stimulated by ALK signaling in cancer / positive regulation of gluconeogenesis / positive regulation of TORC1 signaling / T cell activation / Regulation of BACH1 activity / intrinsic apoptotic signaling pathway / B cell differentiation / post-translational protein modification / Degradation of DVL / nuclear estrogen receptor binding / nucleotide-excision repair / Recognition of DNA damage by PCNA-containing replication complex / Degradation of GLI1 by the proteasome / Negative regulation of NOTCH4 signaling / cellular response to amino acid stimulus / GSK3B and BTRC:CUL1-mediated-degradation of NFE2L2 / Vif-mediated degradation of APOBEC3G / Hedgehog 'on' state / DNA Damage Recognition in GG-NER / Degradation of GLI2 by the proteasome / GLI3 is processed to GLI3R by the proteasome / FBXL7 down-regulates AURKA during mitotic entry and in early mitosis / RING-type E3 ubiquitin transferase / Degradation of beta-catenin by the destruction complex / negative regulation of canonical Wnt signaling pathway / Oxygen-dependent proline hydroxylation of Hypoxia-inducible Factor Alpha / regulation of circadian rhythm / Dual Incision in GG-NER / Evasion by RSV of host interferon responses / NOTCH1 Intracellular Domain Regulates Transcription / Transcription-Coupled Nucleotide Excision Repair (TC-NER) / Formation of TC-NER Pre-Incision Complex / fibrillar center / Wnt signaling pathway / Regulation of expression of SLITs and ROBOs / Constitutive Signaling by NOTCH1 PEST Domain Mutants / Constitutive Signaling by NOTCH1 HD+PEST Domain Mutants / Formation of Incision Complex in GG-NER / Interleukin-1 signaling / Orc1 removal from chromatin / Dual incision in TC-NER / G1/S transition of mitotic cell cycle / Gap-filling DNA repair synthesis and ligation in TC-NER / Regulation of RAS by GAPs / protein polyubiquitination / positive regulation of protein catabolic process / Regulation of RUNX2 expression and activity / cellular response to UV / KEAP1-NFE2L2 pathway / MAPK cascade / ubiquitin protein ligase activity Similarity search - Function
Journal: EMBO J / Year: 2021 Title: The CRL4 cullin-RING ubiquitin ligase is activated following a switch in oligomerization state. Authors: Weaam I Mohamed / Andreas D Schenk / Georg Kempf / Simone Cavadini / Anja Basters / Alessandro Potenza / Wassim Abdul Rahman / Julius Rabl / Kurt Reichermeier / Nicolas H Thomä / Abstract: The cullin-4-based RING-type (CRL4) family of E3 ubiquitin ligases functions together with dedicated substrate receptors. Out of the ˜29 CRL4 substrate receptors reported, the DDB1- and CUL4- ...The cullin-4-based RING-type (CRL4) family of E3 ubiquitin ligases functions together with dedicated substrate receptors. Out of the ˜29 CRL4 substrate receptors reported, the DDB1- and CUL4-associated factor 1 (DCAF1) is essential for cellular survival and growth, and its deregulation has been implicated in tumorigenesis. We carried out biochemical and structural studies to examine the structure and mechanism of the CRL4 ligase. In the 8.4 Å cryo-EM map of CRL4 , four CUL4-RBX1-DDB1-DCAF1 protomers are organized into two dimeric sub-assemblies. In this arrangement, the WD40 domain of DCAF1 mediates binding with the cullin C-terminal domain (CTD) and the RBX1 subunit of a neighboring CRL4 protomer. This renders RBX1, the catalytic subunit of the ligase, inaccessible to the E2 ubiquitin-conjugating enzymes. Upon CRL4 activation by neddylation, the interaction between the cullin CTD and the neighboring DCAF1 protomer is broken, and the complex assumes an active dimeric conformation. Accordingly, a tetramerization-deficient CRL4 mutant has higher ubiquitin ligase activity compared to the wild-type. This study identifies a novel mechanism by which unneddylated and substrate-free CUL4 ligases can be maintained in an inactive state.
History
Deposition
May 18, 2021
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Header (metadata) release
Oct 13, 2021
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Map release
Oct 13, 2021
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Update
Dec 1, 2021
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Current status
Dec 1, 2021
Processing site: PDBe / Status: Released
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Structure visualization
Movie
Surface view with section colored by density value
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