- 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 HMOX1 expression and activity / regulation of skeletal muscle fiber development / Parkin-FBXW7-Cul1 ubiquitin ligase complex / synaptic assembly at neuromuscular junction / F-box domain binding / ligand-modulated transcription factor activity / PcG protein complex / cullin-RING ubiquitin ligase complex / regulation of xenophagy / maintenance of protein location in nucleus ...Regulation of HMOX1 expression and activity / regulation of skeletal muscle fiber development / Parkin-FBXW7-Cul1 ubiquitin ligase complex / synaptic assembly at neuromuscular junction / F-box domain binding / ligand-modulated transcription factor activity / PcG protein complex / cullin-RING ubiquitin ligase complex / regulation of xenophagy / maintenance of protein location in nucleus / Loss of Function of FBXW7 in Cancer and NOTCH1 Signaling / Cul7-RING ubiquitin ligase complex / regulation of cell cycle process / neural crest cell differentiation / ubiquitin ligase activator activity / regulation of BMP signaling pathway / regulation of mitophagy / NFE2L2 regulating anti-oxidant/detoxification enzymes / regulation of centrosome duplication / regulation of TOR signaling / SCF ubiquitin ligase complex / regulation of DNA damage checkpoint / PRC1 complex / SCF-dependent proteasomal ubiquitin-dependent protein catabolic process / Prolactin receptor signaling / ubiquitin ligase complex scaffold activity / limb development / cullin family protein binding / centrosome duplication / cilium assembly / ubiquitin-like ligase-substrate adaptor activity / intrinsic apoptotic signaling pathway / ubiquitin ligase complex / Nuclear events stimulated by ALK signaling in cancer / protein K48-linked ubiquitination / molecular function activator activity / protein modification process / regulation of mitotic cell cycle / Regulation of BACH1 activity / MAP3K8 (TPL2)-dependent MAPK1/3 activation / G1/S transition of mitotic cell cycle / Heme signaling / SCF-beta-TrCP mediated degradation of Emi1 / NIK-->noncanonical NF-kB signaling / Vpu mediated degradation of CD4 / Dectin-1 mediated noncanonical NF-kB signaling / Degradation of CRY and PER proteins / Iron uptake and transport / Activation of NF-kappaB in B cells / Degradation of GLI1 by the proteasome / GSK3B and BTRC:CUL1-mediated-degradation of NFE2L2 / DNA-binding transcription repressor activity, RNA polymerase II-specific / Negative regulation of NOTCH4 signaling / beta-catenin binding / FBXL7 down-regulates AURKA during mitotic entry and in early mitosis / Degradation of GLI2 by the proteasome / GLI3 is processed to GLI3R by the proteasome / GSK3B-mediated proteasomal degradation of PD-L1(CD274) / NOTCH1 Intracellular Domain Regulates Transcription / regulation of circadian rhythm / Degradation of beta-catenin by the destruction complex / Constitutive Signaling by NOTCH1 PEST Domain Mutants / Constitutive Signaling by NOTCH1 HD+PEST Domain Mutants / CLEC7A (Dectin-1) signaling / Z disc / SCF(Skp2)-mediated degradation of p27/p21 / FCERI mediated NF-kB activation / RNA polymerase II transcription regulator complex / protein polyubiquitination / Ubiquitin-Mediated Degradation of Phosphorylated Cdc25A / ubiquitin-protein transferase activity / Interleukin-1 signaling / Orc1 removal from chromatin / Cyclin D associated events in G1 / Regulation of RUNX2 expression and activity / positive regulation of proteasomal ubiquitin-dependent protein catabolic process / Regulation of PLK1 Activity at G2/M Transition / Downstream TCR signaling / Antigen processing: Ubiquitination & Proteasome degradation / regulation of inflammatory response / Neddylation / cellular response to oxidative stress / heterochromatin formation / DNA-binding transcription activator activity, RNA polymerase II-specific / ubiquitin-dependent protein catabolic process / regulation of cell cycle / proteasome-mediated ubiquitin-dependent protein catabolic process / regulation of apoptotic process / DNA-binding transcription factor activity, RNA polymerase II-specific / intracellular iron ion homeostasis / positive regulation of canonical NF-kappaB signal transduction / protein ubiquitination / chromatin remodeling / RNA polymerase II cis-regulatory region sequence-specific DNA binding / DNA-binding transcription factor activity / DNA repair / protein domain specific binding / negative regulation of DNA-templated transcription / ubiquitin protein ligase binding / centrosome 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.