- EMDB-42051: Cryo-EM Structure of SCF-FBOX22-BACH1BTB -
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基本情報
登録情報
データベース: EMDB / ID: EMD-42051
タイトル
Cryo-EM Structure of SCF-FBOX22-BACH1BTB
マップデータ
The overall EM map of SCF-FBXO22-BACH1BTB complex from Non uniform refinement in cryoSPARC
試料
複合体: FBXO22-BACH1BTB
タンパク質・ペプチド: F-box only protein 22
タンパク質・ペプチド: Transcription regulator protein BACH1
タンパク質・ペプチド: S-phase kinase-associated protein 1
タンパク質・ペプチド: Cullin-1
キーワード
F-box protein / FBXO22 / BACH1 / LIGASE
機能・相同性
機能・相同性情報
regulation of skeletal muscle fiber development / 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 ubiquitin ligase complex / positive regulation of ubiquitin protein ligase activity / Cul7-RING ubiquitin ligase complex / maintenance of protein location in nucleus ...regulation of skeletal muscle fiber development / 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 ubiquitin ligase complex / positive regulation of ubiquitin protein ligase activity / Cul7-RING ubiquitin ligase complex / maintenance of protein location in nucleus / Loss of Function of FBXW7 in Cancer and NOTCH1 Signaling / regulation of metabolic process / nucleocytoplasmic transport / SCF ubiquitin ligase complex / NFE2L2 regulating anti-oxidant/detoxification enzymes / SCF-dependent proteasomal ubiquitin-dependent protein catabolic process / ubiquitin ligase complex scaffold activity / Prolactin receptor signaling / cullin family protein binding / protein monoubiquitination / ubiquitin-like ligase-substrate adaptor activity / protein K48-linked ubiquitination / Nuclear events stimulated by ALK signaling in cancer / intrinsic apoptotic signaling pathway / Regulation of BACH1 activity / MAP3K8 (TPL2)-dependent MAPK1/3 activation / molecular function activator activity / cellular response to starvation / animal organ morphogenesis / SCF-beta-TrCP mediated degradation of Emi1 / NIK-->noncanonical NF-kB signaling / Vpu mediated degradation of CD4 / Dectin-1 mediated noncanonical NF-kB signaling / Activation of NF-kappaB in B cells / Degradation of GLI1 by the proteasome / Heme signaling / GSK3B and BTRC:CUL1-mediated-degradation of NFE2L2 / Iron uptake and transport / Negative regulation of NOTCH4 signaling / 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 / protein modification process / beta-catenin binding / Degradation of beta-catenin by the destruction complex / NOTCH1 Intracellular Domain Regulates Transcription / DNA-binding transcription repressor activity, RNA polymerase II-specific / CLEC7A (Dectin-1) signaling / Z disc / SCF(Skp2)-mediated degradation of p27/p21 / G1/S transition of mitotic cell cycle / Constitutive Signaling by NOTCH1 PEST Domain Mutants / Constitutive Signaling by NOTCH1 HD+PEST Domain Mutants / RNA polymerase II transcription regulator complex / FCERI mediated NF-kB activation / Interleukin-1 signaling / Orc1 removal from chromatin / protein polyubiquitination / ubiquitin-protein transferase activity / Regulation of RUNX2 expression and activity / Cyclin D associated events in G1 / : / Regulation of PLK1 Activity at G2/M Transition / Antigen processing: Ubiquitination & Proteasome degradation / Downstream TCR signaling / positive regulation of proteasomal ubiquitin-dependent protein catabolic process / Neddylation / DNA-binding transcription activator activity, RNA polymerase II-specific / ubiquitin-dependent protein catabolic process / protein-macromolecule adaptor activity / proteasome-mediated ubiquitin-dependent protein catabolic process / positive regulation of canonical NF-kappaB signal transduction / DNA-binding transcription factor activity, RNA polymerase II-specific / cell population proliferation / protein ubiquitination / chromatin remodeling / protein domain specific binding / RNA polymerase II cis-regulatory region sequence-specific DNA binding / DNA-binding transcription factor activity / DNA repair / heme binding / centrosome / ubiquitin protein ligase binding / regulation of DNA-templated transcription / regulation of transcription by RNA polymerase II / chromatin / negative regulation of transcription by RNA polymerase II / nucleoplasm / nucleus / plasma membrane / cytosol / cytoplasm 類似検索 - 分子機能
ジャーナル: Cell / 年: 2024 タイトル: Recognition of BACH1 quaternary structure degrons by two F-box proteins under oxidative stress. 著者: 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 ...著者: 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 / 要旨: 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.