- 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
cell competition in a multicellular organism / histone H2AT120 kinase activity / negative regulation of granulocyte differentiation / negative regulation of beige fat cell differentiation / cullin-RING-type E3 NEDD8 transferase / NEDD8 transferase activity / V(D)J recombination / cullin-RING ubiquitin ligase complex / Cul7-RING ubiquitin ligase complex / cellular response to chemical stress ...cell competition in a multicellular organism / histone H2AT120 kinase activity / negative regulation of granulocyte differentiation / negative regulation of beige fat cell differentiation / cullin-RING-type E3 NEDD8 transferase / NEDD8 transferase activity / V(D)J recombination / cullin-RING ubiquitin ligase complex / Cul7-RING ubiquitin ligase complex / cellular response to chemical stress / regulation of DNA damage checkpoint / Loss of Function of FBXW7 in Cancer and NOTCH1 Signaling / positive regulation by virus of viral protein levels in host cell / positive regulation of protein autoubiquitination / regulation of nucleotide-excision repair / RNA polymerase II transcription initiation surveillance / protein neddylation / spindle assembly involved in female meiosis / epigenetic programming in the zygotic pronuclei / NEDD8 ligase activity / protein K27-linked ubiquitination / negative regulation of response to oxidative stress / UV-damage excision repair / VCB complex / Cul5-RING ubiquitin ligase complex / ubiquitin-ubiquitin ligase activity / ubiquitin-dependent protein catabolic process via the C-end degron rule pathway / SCF ubiquitin ligase complex / biological process involved in interaction with symbiont / Cul2-RING ubiquitin ligase complex / regulation of mitotic cell cycle phase transition / negative regulation of type I interferon production / Cul3-RING ubiquitin ligase complex / WD40-repeat domain binding / Cul4A-RING E3 ubiquitin ligase complex / SCF-dependent proteasomal ubiquitin-dependent protein catabolic process / Cul4-RING E3 ubiquitin ligase complex / negative regulation of mitophagy / Prolactin receptor signaling / Cul4B-RING E3 ubiquitin ligase complex / ubiquitin ligase complex scaffold activity / negative regulation of reproductive process / negative regulation of developmental process / hemopoiesis / somatic stem cell population maintenance / viral release from host cell / cullin family protein binding / protein monoubiquitination / ectopic germ cell programmed cell death / positive regulation of G1/S transition of mitotic cell cycle / positive regulation of viral genome replication / ubiquitin-like ligase-substrate adaptor activity / site of DNA damage / signal transduction in response to DNA damage / Nuclear events stimulated by ALK signaling in cancer / transcription-coupled nucleotide-excision repair / protein K48-linked ubiquitination / negative regulation of insulin receptor signaling pathway / proteasomal protein catabolic process / regulation of cellular response to insulin stimulus / positive regulation of TORC1 signaling / intrinsic apoptotic signaling pathway / post-translational protein modification / positive regulation of gluconeogenesis / B cell differentiation / T cell activation / Regulation of BACH1 activity / nuclear estrogen receptor binding / negative regulation of canonical NF-kappaB signal transduction / nucleotide-excision repair / sperm end piece / cellular response to amino acid stimulus / Degradation of DVL / Degradation of CRY and PER proteins / G1/S transition of mitotic cell cycle / Degradation of GLI1 by the proteasome / negative regulation of canonical Wnt signaling pathway / Negative regulation of NOTCH4 signaling / GSK3B and BTRC:CUL1-mediated-degradation of NFE2L2 / Recognition of DNA damage by PCNA-containing replication complex / Hedgehog 'on' state / FBXL7 down-regulates AURKA during mitotic entry and in early mitosis / Vif-mediated degradation of APOBEC3G / regulation of circadian rhythm / Ubiquitin-Mediated Degradation of Phosphorylated Cdc25A / Degradation of GLI2 by the proteasome / GLI3 is processed to GLI3R by the proteasome / RING-type E3 ubiquitin transferase / Degradation of beta-catenin by the destruction complex / NOTCH1 Intracellular Domain Regulates Transcription / DNA Damage Recognition in GG-NER / Oxygen-dependent proline hydroxylation of Hypoxia-inducible Factor Alpha / Evasion by RSV of host interferon responses / Constitutive Signaling by NOTCH1 PEST Domain Mutants / Constitutive Signaling by NOTCH1 HD+PEST Domain Mutants / Dual Incision in GG-NER / Transcription-Coupled Nucleotide Excision Repair (TC-NER) / Formation of TC-NER Pre-Incision Complex / Regulation of expression of SLITs and ROBOs / fibrillar center 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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