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- EMDB-42105: Cryo-EM structure of dimeric SCF-FBXL17-BACH1BTB E3 ligase comple... -
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Open data
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Basic information
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Title | Cryo-EM structure of dimeric SCF-FBXL17-BACH1BTB E3 ligase complex close conformation | |||||||||
![]() | The global EM map of dimeric SCF-FBXL17-BACH1-BTB via Non-uniform refinement in cryoSPARC. | |||||||||
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![]() | SCF / FBXL17 / BACH1 / F-box protein / CUL1 / Cullin / E3 ligase / LIGASE | |||||||||
Function / homology | ![]() Regulation of HMOX1 expression and activity / Parkin-FBXW7-Cul1 ubiquitin ligase complex / F-box domain binding / PcG protein complex / ligand-modulated transcription factor activity / cullin-RING-type E3 NEDD8 transferase / NEDD8 transferase activity / cullin-RING ubiquitin ligase complex / cellular response to chemical stress / positive regulation of ubiquitin protein ligase activity ...Regulation of HMOX1 expression and activity / Parkin-FBXW7-Cul1 ubiquitin ligase complex / F-box domain binding / PcG protein complex / ligand-modulated transcription factor activity / cullin-RING-type E3 NEDD8 transferase / NEDD8 transferase activity / cullin-RING ubiquitin ligase complex / cellular response to chemical stress / positive regulation of ubiquitin protein ligase activity / Cul7-RING ubiquitin ligase complex / ubiquitin-dependent protein catabolic process via the C-end degron rule pathway / maintenance of protein location in nucleus / Loss of Function of FBXW7 in Cancer and NOTCH1 Signaling / regulation of smoothened signaling pathway / positive regulation of protein autoubiquitination / protein neddylation / NEDD8 ligase activity / regulation of metabolic process / negative regulation of response to oxidative stress / neural crest cell differentiation / Cul5-RING ubiquitin ligase complex / SCF ubiquitin ligase complex / Cul2-RING ubiquitin ligase complex / NFE2L2 regulating anti-oxidant/detoxification enzymes / Cul4A-RING E3 ubiquitin ligase complex / ubiquitin-ubiquitin ligase activity / negative regulation of type I interferon production / SCF-dependent proteasomal ubiquitin-dependent protein catabolic process / Cul3-RING ubiquitin ligase complex / Cul4B-RING E3 ubiquitin ligase complex / ubiquitin ligase complex scaffold activity / Prolactin receptor signaling / protein quality control for misfolded or incompletely synthesized proteins / cullin family protein binding / protein monoubiquitination / ubiquitin-like ligase-substrate adaptor activity / protein K48-linked ubiquitination / Nuclear events stimulated by ALK signaling in cancer / positive regulation of TORC1 signaling / regulation of cellular response to insulin stimulus / post-translational protein modification / intrinsic apoptotic signaling pathway / T cell activation / Regulation of BACH1 activity / MAP3K8 (TPL2)-dependent MAPK1/3 activation / molecular function activator activity / animal organ morphogenesis / SCF-beta-TrCP mediated degradation of Emi1 / NIK-->noncanonical NF-kB signaling / Vpu mediated degradation of CD4 / Degradation of DVL / cellular response to amino acid stimulus / Dectin-1 mediated noncanonical NF-kB signaling / Activation of NF-kappaB in B cells / Degradation of GLI1 by the proteasome / Recognition of DNA damage by PCNA-containing replication complex / Heme signaling / GSK3B and BTRC:CUL1-mediated-degradation of NFE2L2 / negative regulation of canonical Wnt signaling pathway / Negative regulation of NOTCH4 signaling / Iron uptake and transport / Vif-mediated degradation of APOBEC3G / Hedgehog 'on' state / 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 / DNA Damage Recognition in GG-NER / RING-type E3 ubiquitin transferase / beta-catenin binding / Degradation of beta-catenin by the destruction complex / Oxygen-dependent proline hydroxylation of Hypoxia-inducible Factor Alpha / Evasion by RSV of host interferon responses / Dual Incision in GG-NER / Transcription-Coupled Nucleotide Excision Repair (TC-NER) / NOTCH1 Intracellular Domain Regulates Transcription / Formation of TC-NER Pre-Incision Complex / CLEC7A (Dectin-1) signaling / DNA-binding transcription repressor activity, RNA polymerase II-specific / SCF(Skp2)-mediated degradation of p27/p21 / G1/S transition of mitotic cell cycle / RNA polymerase II transcription regulator complex / Regulation of expression of SLITs and ROBOs / FCERI mediated NF-kB activation / 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 / Regulation of RAS by GAPs / positive regulation of protein catabolic process / protein polyubiquitination / Gap-filling DNA repair synthesis and ligation in TC-NER / Regulation of RUNX2 expression and activity / Cyclin D associated events in G1 / cellular response to UV / MAPK cascade / ubiquitin protein ligase activity / KEAP1-NFE2L2 pathway Similarity search - Function | |||||||||
Biological species | ![]() | |||||||||
Method | single particle reconstruction / cryo EM / Resolution: 4.6 Å | |||||||||
![]() | Shi H / Cao S / Zheng N | |||||||||
Funding support | ![]()
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![]() | ![]() Title: Recognition of BACH1 quaternary structure degrons by two F-box proteins under oxidative stress. Authors: Shiyun Cao / Sheena Faye Garcia / Huigang Shi / Ellie I James / Yuki Kito / Hui Shi / Haibin Mao / Sharon Kaisari / Gergely Rona / Sophia Deng / Hailey V Goldberg / Jackeline Ponce / Beatrix ...Authors: Shiyun Cao / Sheena Faye Garcia / Huigang Shi / Ellie I James / Yuki Kito / Hui Shi / Haibin Mao / Sharon Kaisari / Gergely Rona / Sophia Deng / Hailey V Goldberg / Jackeline Ponce / Beatrix Ueberheide / Luca Lignitto / Miklos Guttman / Michele Pagano / Ning Zheng / ![]() ![]() ![]() Abstract: Ubiquitin-dependent proteolysis regulates diverse cellular functions with high substrate specificity, which hinges on the ability of ubiquitin E3 ligases to decode the targets' degradation signals, i. ...Ubiquitin-dependent proteolysis regulates diverse cellular functions with high substrate specificity, which hinges on the ability of ubiquitin E3 ligases to decode the targets' degradation signals, i.e., degrons. Here, we show that BACH1, a transcription repressor of antioxidant response genes, features two distinct unconventional degrons encrypted in the quaternary structure of its homodimeric BTB domain. These two degrons are both functionalized by oxidative stress and are deciphered by two complementary E3s. FBXO22 recognizes a degron constructed by the BACH1 BTB domain dimer interface, which is unmasked from transcriptional co-repressors after oxidative stress releases BACH1 from chromatin. When this degron is impaired by oxidation, a second BACH1 degron manifested by its destabilized BTB dimer is probed by a pair of FBXL17 proteins that remodels the substrate into E3-bound monomers for ubiquitination. Our findings highlight the multidimensionality of protein degradation signals and the functional complementarity of different ubiquitin ligases targeting the same substrate. | |||||||||
History |
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Structure visualization
Supplemental images |
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Downloads & links
-EMDB archive
Map data | ![]() | 480.6 MB | ![]() | |
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Header (meta data) | ![]() ![]() | 22.5 KB 22.5 KB | Display Display | ![]() |
Images | ![]() | 32.5 KB | ||
Masks | ![]() | 512 MB | ![]() | |
Filedesc metadata | ![]() | 7.2 KB | ||
Others | ![]() ![]() | 473.8 MB 473.8 MB | ||
Archive directory | ![]() ![]() | HTTPS FTP |
-Validation report
Summary document | ![]() | 970.8 KB | Display | ![]() |
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Full document | ![]() | 970.3 KB | Display | |
Data in XML | ![]() | 18.9 KB | Display | |
Data in CIF | ![]() | 22.5 KB | Display | |
Arichive directory | ![]() ![]() | HTTPS FTP |
-Related structure data
Related structure data | ![]() 8ubuMC ![]() 8ua3C ![]() 8ua6C ![]() 8uahC ![]() 8ubtC ![]() 8ubvC C: citing same article ( M: atomic model generated by this map |
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Similar structure data | Similarity search - Function & homology ![]() |
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Links
EMDB pages | ![]() ![]() |
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Related items in Molecule of the Month |
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Map
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Annotation | The global EM map of dimeric SCF-FBXL17-BACH1-BTB via Non-uniform refinement in cryoSPARC. | ||||||||||||||||||||||||||||||||||||
Projections & slices | Image control
Images are generated by Spider. | ||||||||||||||||||||||||||||||||||||
Voxel size | X=Y=Z: 0.743 Å | ||||||||||||||||||||||||||||||||||||
Density |
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Symmetry | Space group: 1 | ||||||||||||||||||||||||||||||||||||
Details | EMDB XML:
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-Supplemental data
-Mask #1
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Projections & Slices |
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Density Histograms |
-Half map: The half map of dimeric SCF-FBXL17-BACH1-BTB via Non-uniform...
File | emd_42105_half_map_1.map | ||||||||||||
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Annotation | The half map of dimeric SCF-FBXL17-BACH1-BTB via Non-uniform refinement in cryoSPARC. | ||||||||||||
Projections & Slices |
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Density Histograms |
-Half map: The half map of dimeric SCF-FBXL17-BACH1-BTB via Non-uniform...
File | emd_42105_half_map_2.map | ||||||||||||
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Annotation | The half map of dimeric SCF-FBXL17-BACH1-BTB via Non-uniform refinement in cryoSPARC. | ||||||||||||
Projections & Slices |
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Density Histograms |
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Sample components
-Entire : The SCF-F-box protein with BACH1 BTB Domain, dimeric SCF-BFXL17-B...
Entire | Name: The SCF-F-box protein with BACH1 BTB Domain, dimeric SCF-BFXL17-BACH1BTB |
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Components |
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-Supramolecule #1: The SCF-F-box protein with BACH1 BTB Domain, dimeric SCF-BFXL17-B...
Supramolecule | Name: The SCF-F-box protein with BACH1 BTB Domain, dimeric SCF-BFXL17-BACH1BTB type: complex / ID: 1 / Parent: 0 / Macromolecule list: #5, #3-#4, #1-#2 |
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Source (natural) | Organism: ![]() |
-Macromolecule #1: Cullin-1
Macromolecule | Name: Cullin-1 / type: protein_or_peptide / ID: 1 / Number of copies: 2 / Enantiomer: LEVO |
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Source (natural) | Organism: ![]() |
Molecular weight | Theoretical: 88.501945 KDa |
Recombinant expression | Organism: ![]() ![]() |
Sequence | String: KQIGLDQIWD DLRAGIQQVY TRQSMAKSRY MELYTHVYNY CTSVHQSNQA RGAGVPPSKS KKGQTPGGAQ FVGLELYKRL KEFLKNYLT NLLKDGEDLM DESVLKFYTQ QWEDYRFSSK VLNGICAYLN RHWVRRECDE GRKGIYEIYS LALVTWRDCL F RPLNKQVT ...String: KQIGLDQIWD DLRAGIQQVY TRQSMAKSRY MELYTHVYNY CTSVHQSNQA RGAGVPPSKS KKGQTPGGAQ FVGLELYKRL KEFLKNYLT NLLKDGEDLM DESVLKFYTQ QWEDYRFSSK VLNGICAYLN RHWVRRECDE GRKGIYEIYS LALVTWRDCL F RPLNKQVT NAVLKLIEKE RNGETINTRL ISGVVQSYVE LGLNEDDAFA KGPTLTVYKE SFESQFLADT ERFYTRESTE FL QQNPVTE YMKKAEARLL EEQRRVQVYL HESTQDELAR KCEQVLIEKH LEIFHTEFQN LLDADKNEDL GRMYNLVSRI QDG LGELKK LLETHIHNQG LAAIEKCGEA ALNDPKMYVQ TVLDVHKKYN ALVMSAFNND AGFVAALDKA CGRFINNNAV TKMA QSSSK SPELLARYCD SLLKKSSKNP EEAELEDTLN QVMVVFKYIE DKDVFQKFYA KMLAKRLVHQ NSASDDAEAS MISKL KQAC GFEYTSKLQR MFQDIGVSKD LNEQFKKHLT NSEPLDLDFS IQVLSSGSWP FQQSCTFALP SELERSYQRF TAFYAS RHS GRKLTWLYQL SKGELVTNCF KNRYTLQAST FQMAILLQYN TEDAYTVQQL TDSTQIKMDI LAQVLQILLK SKLLVLE DE NANVDEVELK PDTLIKLYLG YKNKKLRVNI NVPMKTEQKQ EQETTHKNIE EDRKLLIQAA IVRIMKMRKV LKHQQLLG E VLTQLSSRFK PRVPVIKKCI DILIEKEYLE RVDGEKDTYS YLA UniProtKB: Cullin-1 |
-Macromolecule #2: E3 ubiquitin-protein ligase RBX1, N-terminally processed
Macromolecule | Name: E3 ubiquitin-protein ligase RBX1, N-terminally processed type: protein_or_peptide / ID: 2 / Number of copies: 2 / Enantiomer: LEVO |
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Source (natural) | Organism: ![]() |
Molecular weight | Theoretical: 10.84041 KDa |
Recombinant expression | Organism: ![]() ![]() |
Sequence | String: GAGKKRFEVK KWNAVALWAW DIVVDNCAIC RNHIMDLCIE CQANQASATS EECTVAWGVC NHAFHFHCIS RWLKTRQVCP LDNREWEFQ KYGH UniProtKB: E3 ubiquitin-protein ligase RBX1 |
-Macromolecule #3: S-phase kinase-associated protein 1
Macromolecule | Name: S-phase kinase-associated protein 1 / type: protein_or_peptide / ID: 3 / Number of copies: 2 / Enantiomer: LEVO |
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Source (natural) | Organism: ![]() |
Molecular weight | Theoretical: 18.580834 KDa |
Recombinant expression | Organism: ![]() |
Sequence | String: MPSIKLQSSD GEIFEVDVEI AKQSTIKTML EDLGMDDEGD DDPVPLPNVN AAILKKVIQW CTHHKDDPPP PEDDENKEKR TDDIPVWDQ EFLKVDQGTL FELILAANYL DIKGLLDVTC KTVANMIKGK TPEEIRKTFN IKNDFTEEEE AQVRKENQWC E EK UniProtKB: S-phase kinase-associated protein 1 |
-Macromolecule #4: F-box/LRR-repeat protein 17
Macromolecule | Name: F-box/LRR-repeat protein 17 / type: protein_or_peptide / ID: 4 / Number of copies: 2 / Enantiomer: LEVO |
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Source (natural) | Organism: ![]() |
Molecular weight | Theoretical: 44.505512 KDa |
Recombinant expression | Organism: ![]() |
Sequence | String: CHREPPPETP DINQLPPSIL LKIFSNLSLD ERCLSASLVC KYWRDLCLDF QFWKQLDLSS RQQVTDELLE KIASRSQNII EINISDCRS MSDNGVCVLA FKCPGLLRYT AYRCKQLSDT SIIAVASHCP LLQKVHVGNQ DKLTDEGLKQ LGSKCRELKD I HFGQCYKI ...String: CHREPPPETP DINQLPPSIL LKIFSNLSLD ERCLSASLVC KYWRDLCLDF QFWKQLDLSS RQQVTDELLE KIASRSQNII EINISDCRS MSDNGVCVLA FKCPGLLRYT AYRCKQLSDT SIIAVASHCP LLQKVHVGNQ DKLTDEGLKQ LGSKCRELKD I HFGQCYKI SDEGMIVIAK GCLKLQRIYM QENKLVTDQS VKAFAEHCPE LQYVGFMGCS VTSKGVIHLT KLRNLSSLDL RH ITELDNE TVMEIVKRCK NLSSLNLCLN WIINDRCVEV IAKEGQNLKE LYLVSCKITD YALIAIGRYS MTIETVDVGW CKE ITDQGA TLIAQSSKSL RYLGLMRCDK VNEVTVEQLV QQYPHITFST VLQDCKRTLE RAYQMGWTPN MSAASS UniProtKB: F-box/LRR-repeat protein 17 |
-Macromolecule #5: Transcription regulator protein BACH1
Macromolecule | Name: Transcription regulator protein BACH1 / type: protein_or_peptide / ID: 5 / Number of copies: 2 / Enantiomer: LEVO |
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Source (natural) | Organism: ![]() |
Molecular weight | Theoretical: 13.839761 KDa |
Recombinant expression | Organism: ![]() ![]() |
Sequence | String: SVFAYESSVH STNVLLSLND QRKKDVLCDV TIFVEGQRFR AHRSVLAACS SYFHSRIVGQ ADGELNITLP EEVTVKGFEP LIQFAYTAK LILSKENVDE VCKCVEFLSV HNIEESCFQF LKF UniProtKB: Transcription regulator protein BACH1 |
-Experimental details
-Structure determination
Method | cryo EM |
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![]() | single particle reconstruction |
Aggregation state | particle |
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Sample preparation
Buffer | pH: 7.5 |
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Grid | Model: Quantifoil R1.2/1.3 / Material: COPPER / Mesh: 300 / Support film - Material: CARBON / Support film - topology: HOLEY / Pretreatment - Type: GLOW DISCHARGE |
Vitrification | Cryogen name: ETHANE / Instrument: FEI VITROBOT MARK IV |
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Electron microscopy
Microscope | TFS KRIOS |
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Image recording | Film or detector model: FEI FALCON IV (4k x 4k) / Average electron dose: 60.0 e/Å2 |
Electron beam | Acceleration voltage: 300 kV / Electron source: ![]() |
Electron optics | Illumination mode: FLOOD BEAM / Imaging mode: BRIGHT FIELD / Nominal defocus max: 25.0 µm / Nominal defocus min: 5.0 µm |
Sample stage | Specimen holder model: FEI TITAN KRIOS AUTOGRID HOLDER / Cooling holder cryogen: NITROGEN |
Experimental equipment | ![]() Model: Titan Krios / Image courtesy: FEI Company |