histone H2AK127 ubiquitin ligase activity / histone H2AK129 ubiquitin ligase activity / Defective DNA double strand break response due to BRCA1 loss of function / Defective DNA double strand break response due to BARD1 loss of function / BRCA1-BARD1 complex / BRCA1-C complex / acetyl-CoA carboxylase / BRCA1-B complex / BRCA1-A complex / Defective HLCS causes multiple carboxylase deficiency ...histone H2AK127 ubiquitin ligase activity / histone H2AK129 ubiquitin ligase activity / Defective DNA double strand break response due to BRCA1 loss of function / Defective DNA double strand break response due to BARD1 loss of function / BRCA1-BARD1 complex / BRCA1-C complex / acetyl-CoA carboxylase / BRCA1-B complex / BRCA1-A complex / Defective HLCS causes multiple carboxylase deficiency / negative regulation of centriole replication / Biotin transport and metabolism / fatty-acyl-CoA biosynthetic process / sex-chromosome dosage compensation / negative regulation of intracellular estrogen receptor signaling pathway / random inactivation of X chromosome / acetyl-CoA metabolic process / malonyl-CoA biosynthetic process / Fatty acyl-CoA biosynthesis / nuclear ubiquitin ligase complex / ubiquitin-modified histone reader activity / chordate embryonic development / acetyl-CoA carboxylase activity / cellular response to indole-3-methanol / gamma-tubulin ring complex / negative regulation of fatty acid biosynthetic process / ChREBP activates metabolic gene expression / DNA strand resection involved in replication fork processing / Regulation of MITF-M-dependent genes involved in DNA replication, damage repair and senescence / homologous recombination / lateral element / tissue homeostasis / protein K6-linked ubiquitination / Carnitine shuttle / Impaired BRCA2 binding to PALB2 / regulation of DNA damage checkpoint / XY body / mitotic G2/M transition checkpoint / centrosome cycle / RNA polymerase binding / postreplication repair / DNA repair complex / Homologous DNA Pairing and Strand Exchange / Defective homologous recombination repair (HRR) due to BRCA1 loss of function / Defective HDR through Homologous Recombination Repair (HRR) due to PALB2 loss of BRCA1 binding function / Defective HDR through Homologous Recombination Repair (HRR) due to PALB2 loss of BRCA2/RAD51/RAD51C binding function / Resolution of D-loop Structures through Synthesis-Dependent Strand Annealing (SDSA) / Resolution of D-loop Structures through Holliday Junction Intermediates / intracellular membraneless organelle / HDR through Single Strand Annealing (SSA) / response to ionizing radiation / negative regulation of gene expression via chromosomal CpG island methylation / Impaired BRCA2 binding to RAD51 / lipid homeostasis / mitotic G2 DNA damage checkpoint signaling / Transcriptional Regulation by E2F6 / negative regulation of reactive oxygen species metabolic process / Presynaptic phase of homologous DNA pairing and strand exchange / negative regulation of cell cycle / positive regulation of vascular endothelial growth factor production / ubiquitin ligase complex / regulation of DNA repair / SUMOylation of DNA damage response and repair proteins / negative regulation of extrinsic apoptotic signaling pathway via death domain receptors / protein autoubiquitination / Meiotic synapsis / tubulin binding / male germ cell nucleus / positive regulation of DNA repair / Activation of gene expression by SREBF (SREBP) / cellular response to ionizing radiation / chromosome segregation / Nonhomologous End-Joining (NHEJ) / TP53 Regulates Transcription of DNA Repair Genes / double-strand break repair via homologous recombination / G2/M DNA damage checkpoint / negative regulation of cell growth / RING-type E3 ubiquitin transferase / Meiotic recombination / HDR through Homologous Recombination (HRR) / Metalloprotease DUBs / fibrillar center / intrinsic apoptotic signaling pathway in response to DNA damage / positive regulation of angiogenesis / fatty acid biosynthetic process / ubiquitin-protein transferase activity / p53 binding / KEAP1-NFE2L2 pathway / cellular response to prostaglandin E stimulus / cellular response to tumor necrosis factor / double-strand break repair / actin cytoskeleton / Recruitment and ATM-mediated phosphorylation of repair and signaling proteins at DNA double strand breaks / Neddylation / chromosome / Processing of DNA double-strand break ends / protein homotetramerization / Regulation of TP53 Activity through Phosphorylation / damaged DNA binding / transcription coactivator activity 類似検索 - 分子機能
Breast cancer type 1 susceptibility protein (BRCA1) / BRCA1, serine-rich domain / BRCA1-associated / Serine-rich domain associated with BRCT / Acetyl-CoA carboxylase, central domain / : / : / Acetyl-CoA carboxylase, central region / Acetyl-CoA carboxylase, BT domain / Acetyl-coenzyme A carboxyltransferase, C-terminal ...Breast cancer type 1 susceptibility protein (BRCA1) / BRCA1, serine-rich domain / BRCA1-associated / Serine-rich domain associated with BRCT / Acetyl-CoA carboxylase, central domain / : / : / Acetyl-CoA carboxylase, central region / Acetyl-CoA carboxylase, BT domain / Acetyl-coenzyme A carboxyltransferase, C-terminal / Acetyl-coenzyme A (CoA) carboxyltransferase C-terminal domain profile. / Acetyl-coenzyme A carboxyltransferase, N-terminal / Acetyl-coenzyme A (CoA) carboxyltransferase N-terminal domain profile. / Acetyl-CoA carboxylase / Carboxyl transferase domain / Biotin-binding site / Biotin-requiring enzymes attachment site. / Biotin carboxylase-like, N-terminal domain / Biotin carboxylase, C-terminal / Biotin carboxylation domain / Biotin carboxylase, N-terminal domain / Biotin carboxylase C-terminal domain / Biotin carboxylation domain profile. / Biotin carboxylase C-terminal domain / Carbamoyl-phosphate synthase subdomain signature 1. / Carbamoyl-phosphate synthetase large subunit-like, ATP-binding domain / Carbamoyl-phosphate synthase L chain, ATP binding domain / Biotin-requiring enzyme / Rudiment single hybrid motif / Biotinyl/lipoyl domain profile. / Biotin/lipoyl attachment / Single hybrid motif / Zinc finger, C3HC4 RING-type / Zinc finger, C3HC4 type (RING finger) / ATP-grasp fold, subdomain 1 / BRCA1 C Terminus (BRCT) domain / Pre-ATP-grasp domain superfamily / ATP-grasp fold / ATP-grasp fold profile. / breast cancer carboxy-terminal domain / ClpP/crotonase-like domain superfamily / BRCT domain profile. / BRCT domain / BRCT domain superfamily / Zinc finger, RING-type, conserved site / Zinc finger RING-type signature. / Ring finger / Zinc finger RING-type profile. / Zinc finger, RING-type / Carbamoyl-phosphate synthase subdomain signature 2. / Zinc finger, RING/FYVE/PHD-type 類似検索 - ドメイン・相同性
Breast cancer type 1 susceptibility protein / Acetyl-CoA carboxylase 1 類似検索 - 構成要素
ジャーナル: Nature / 年: 2018 タイトル: Structural basis for regulation of human acetyl-CoA carboxylase. 著者: Moritz Hunkeler / Anna Hagmann / Edward Stuttfeld / Mohamed Chami / Yakir Guri / Henning Stahlberg / Timm Maier / 要旨: Acetyl-CoA carboxylase catalyses the ATP-dependent carboxylation of acetyl-CoA, a rate-limiting step in fatty acid biosynthesis. Eukaryotic acetyl-CoA carboxylases are large, homodimeric multienzymes. ...Acetyl-CoA carboxylase catalyses the ATP-dependent carboxylation of acetyl-CoA, a rate-limiting step in fatty acid biosynthesis. Eukaryotic acetyl-CoA carboxylases are large, homodimeric multienzymes. Human acetyl-CoA carboxylase occurs in two isoforms: the metabolic, cytosolic ACC1, and ACC2, which is anchored to the outer mitochondrial membrane and controls fatty acid β-oxidation. ACC1 is regulated by a complex interplay of phosphorylation, binding of allosteric regulators and protein-protein interactions, which is further linked to filament formation. These filaments were discovered in vitro and in vivo 50 years ago, but the structural basis of ACC1 polymerization and regulation remains unknown. Here, we identify distinct activated and inhibited ACC1 filament forms. We obtained cryo-electron microscopy structures of an activated filament that is allosterically induced by citrate (ACC-citrate), and an inactivated filament form that results from binding of the BRCT domains of the breast cancer type 1 susceptibility protein (BRCA1). While non-polymeric ACC1 is highly dynamic, filament formation locks ACC1 into different catalytically competent or incompetent conformational states. This unique mechanism of enzyme regulation via large-scale conformational changes observed in ACC1 has potential uses in engineering of switchable biosynthetic systems. Dissecting the regulation of acetyl-CoA carboxylase opens new paths towards counteracting upregulation of fatty acid biosynthesis in disease.
UniProtKB: Breast cancer type 1 susceptibility protein
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実験情報
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構造解析
手法
クライオ電子顕微鏡法
解析
単粒子再構成法
試料の集合状態
filament
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試料調製
緩衝液
pH: 8
凍結
凍結剤: ETHANE
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電子顕微鏡法
顕微鏡
FEI TITAN KRIOS
撮影
フィルム・検出器のモデル: GATAN K2 SUMMIT (4k x 4k) 平均電子線量: 1.0 e/Å2 詳細: Collected in movie-mode with total dose of 80 e-/A2 for a total of 80 frames. Frames 3-22 were used for final reconstruction
電子線
加速電圧: 300 kV / 電子線源: FIELD EMISSION GUN
電子光学系
照射モード: FLOOD BEAM / 撮影モード: BRIGHT FIELD
実験機器
モデル: Titan Krios / 画像提供: FEI Company
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画像解析
初期モデル
モデルのタイプ: OTHER 詳細: Initial model was generated form 2D class averages using e2initialmodel.py in EMAN2. PDB IDs: 2yl2; 5i87; 4asi; 4y18