- EMDB-60977: Overall reconstruction of the Bax line -
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基本情報
登録情報
データベース: EMDB / ID: EMD-60977
タイトル
Overall reconstruction of the Bax line
マップデータ
C2 symmetrized composite map of the Bax line sample.
試料
複合体: Bax line
タンパク質・ペプチド: Apoptosis regulator BAX
キーワード
Pore forming Bax proteins / APOPTOSIS
機能・相同性
機能・相同性情報
T cell homeostatic proliferation / release of matrix enzymes from mitochondria / positive regulation of developmental pigmentation / BAX complex / protein insertion into mitochondrial membrane / B cell receptor apoptotic signaling pathway / positive regulation of reproductive process / positive regulation of motor neuron apoptotic process / regulation of mammary gland epithelial cell proliferation / Activation, translocation and oligomerization of BAX ...T cell homeostatic proliferation / release of matrix enzymes from mitochondria / positive regulation of developmental pigmentation / BAX complex / protein insertion into mitochondrial membrane / B cell receptor apoptotic signaling pathway / positive regulation of reproductive process / positive regulation of motor neuron apoptotic process / regulation of mammary gland epithelial cell proliferation / Activation, translocation and oligomerization of BAX / spermatid differentiation / Sertoli cell proliferation / NTRK3 as a dependence receptor / positive regulation of apoptotic DNA fragmentation / development of secondary sexual characteristics / positive regulation of B cell apoptotic process / positive regulation of mitochondrial membrane permeability involved in apoptotic process / B cell homeostatic proliferation / glycosphingolipid metabolic process / retinal cell programmed cell death / B cell negative selection / BAK complex / regulation of mitochondrial membrane permeability involved in programmed necrotic cell death / negative regulation of endoplasmic reticulum calcium ion concentration / apoptotic process involved in embryonic digit morphogenesis / mitochondrial permeability transition pore complex / Release of apoptotic factors from the mitochondria / mitochondrial fragmentation involved in apoptotic process / apoptotic process involved in blood vessel morphogenesis / post-embryonic camera-type eye morphogenesis / Transcriptional regulation by RUNX2 / establishment or maintenance of transmembrane electrochemical gradient / apoptotic process involved in mammary gland involution / positive regulation of apoptotic process involved in mammary gland involution / regulation of nitrogen utilization / B cell apoptotic process / endoplasmic reticulum calcium ion homeostasis / positive regulation of epithelial cell apoptotic process / fertilization / calcium ion transport into cytosol / epithelial cell apoptotic process / myeloid cell homeostasis / mitochondrial fusion / Bcl-2 family protein complex / motor neuron apoptotic process / execution phase of apoptosis / thymocyte apoptotic process / pore complex / hypothalamus development / positive regulation of IRE1-mediated unfolded protein response / odontogenesis of dentin-containing tooth / positive regulation of release of cytochrome c from mitochondria / apoptotic mitochondrial changes / TP53 Regulates Transcription of Genes Involved in Cytochrome C Release / germ cell development / BH3 domain binding / vagina development / negative regulation of mitochondrial membrane potential / B cell homeostasis / intrinsic apoptotic signaling pathway by p53 class mediator / positive regulation of calcium ion transport into cytosol / negative regulation of apoptotic signaling pathway / intrinsic apoptotic signaling pathway in response to endoplasmic reticulum stress / extrinsic apoptotic signaling pathway via death domain receptors / blood vessel remodeling / cellular response to unfolded protein / Pyroptosis / ectopic germ cell programmed cell death / response to axon injury / negative regulation of fibroblast proliferation / negative regulation of protein binding / ovarian follicle development / positive regulation of intrinsic apoptotic signaling pathway / supramolecular fiber organization / extrinsic apoptotic signaling pathway / response to salt stress / release of sequestered calcium ion into cytosol / Hsp70 protein binding / extrinsic apoptotic signaling pathway in absence of ligand / homeostasis of number of cells within a tissue / intrinsic apoptotic signaling pathway / TP53 Regulates Transcription of Genes Involved in G2 Cell Cycle Arrest / positive regulation of release of sequestered calcium ion into cytosol / release of cytochrome c from mitochondria / response to gamma radiation / regulation of mitochondrial membrane potential / apoptotic signaling pathway / kidney development / positive regulation of protein-containing complex assembly / cerebral cortex development / cellular response to virus / response to toxic substance / neuron migration / intrinsic apoptotic signaling pathway in response to DNA damage / cellular response to UV / nuclear envelope / positive regulation of neuron apoptotic process / retina development in camera-type eye / channel activity / regulation of apoptotic process 類似検索 - 分子機能
Apoptosis regulator, Bcl-2, BH3 motif, conserved site / Apoptosis regulator, Bcl-2 family BH3 motif signature. / Apoptosis regulator, Bcl-2, BH1 motif, conserved site / Apoptosis regulator, Bcl-2 family BH1 motif signature. / Apoptosis regulator, Bcl-2, BH2 motif, conserved site / Apoptosis regulator, Bcl-2 family BH2 motif signature. / Bcl-2 family / BCL (B-Cell lymphoma); contains BH1, BH2 regions / Bcl2-like / Bcl-2, Bcl-2 homology region 1-3 ...Apoptosis regulator, Bcl-2, BH3 motif, conserved site / Apoptosis regulator, Bcl-2 family BH3 motif signature. / Apoptosis regulator, Bcl-2, BH1 motif, conserved site / Apoptosis regulator, Bcl-2 family BH1 motif signature. / Apoptosis regulator, Bcl-2, BH2 motif, conserved site / Apoptosis regulator, Bcl-2 family BH2 motif signature. / Bcl-2 family / BCL (B-Cell lymphoma); contains BH1, BH2 regions / Bcl2-like / Bcl-2, Bcl-2 homology region 1-3 / Apoptosis regulator proteins, Bcl-2 family / BCL2-like apoptosis inhibitors family profile. / Bcl-2-like superfamily 類似検索 - ドメイン・相同性
National Natural Science Foundation of China (NSFC)
81920108015
中国
National Natural Science Foundation of China (NSFC)
31930059
中国
引用
ジャーナル: Science / 年: 2025 タイトル: Structural basis of BAX pore formation. 著者: Ying Zhang / Lu Tian / Gaoxingyu Huang / Xiaofei Ge / Fang Kong / Pengqi Wang / Yige Xu / Yigong Shi / 要旨: During apoptosis, cytosolic BAX monomers are translocated to the mitochondria to permeabilize the outer membrane. Here, we identified a dimer of BAX dimers as the basic repeating unit of its various ...During apoptosis, cytosolic BAX monomers are translocated to the mitochondria to permeabilize the outer membrane. Here, we identified a dimer of BAX dimers as the basic repeating unit of its various oligomeric forms: arcs, lines, and rings. Cryo-electron microscopy structure of the BAX repeating unit at 3.2-angstrom resolution revealed the interactions within and between dimers. End-to-end stacking of the repeating units through the protruding α9 pairs yielded lines, arcs, polygons, and rings. We structurally characterized the tetragon, pentagon, hexagon, and heptagon, which comprise 16, 20, 24, and 28 BAX protomers, respectively. Missense mutations at the BAX inter-protomer interface damage pore formation and cripple its proapoptotic function. The assembly principle of the various BAX oligomers reported here provides the structural basis of membrane permeabilization by BAX.