登録情報 データベース : PDB / ID : 5ocu 構造の表示 ダウンロードとリンクタイトル Molecular basis of human kinesin-8 function and inhibition 要素Kinesin-like protein KIF18A Tubulin alpha chain Tubulin beta chain 詳細キーワード TRANSPORT PROTEIN / Cytoskeleton / Motor protein / Kinesin機能・相同性 機能・相同性情報分子機能 ドメイン・相同性 構成要素
tubulin-dependent ATPase activity / mitotic spindle astral microtubule / Microtubule-dependent trafficking of connexons from Golgi to the plasma membrane / Cilium Assembly / Intraflagellar transport / Carboxyterminal post-translational modifications of tubulin / Sealing of the nuclear envelope (NE) by ESCRT-III / Kinesins / Resolution of Sister Chromatid Cohesion / Mitotic Prometaphase ... tubulin-dependent ATPase activity / mitotic spindle astral microtubule / Microtubule-dependent trafficking of connexons from Golgi to the plasma membrane / Cilium Assembly / Intraflagellar transport / Carboxyterminal post-translational modifications of tubulin / Sealing of the nuclear envelope (NE) by ESCRT-III / Kinesins / Resolution of Sister Chromatid Cohesion / Mitotic Prometaphase / EML4 and NUDC in mitotic spindle formation / COPI-dependent Golgi-to-ER retrograde traffic / COPI-independent Golgi-to-ER retrograde traffic / COPI-mediated anterograde transport / RHO GTPases activate IQGAPs / RHO GTPases Activate Formins / MHC class II antigen presentation / mitotic spindle midzone / HSP90 chaperone cycle for steroid hormone receptors (SHR) in the presence of ligand / Aggrephagy / The role of GTSE1 in G2/M progression after G2 checkpoint / Separation of Sister Chromatids / kinetochore microtubule / Loss of Nlp from mitotic centrosomes / Recruitment of mitotic centrosome proteins and complexes / Loss of proteins required for interphase microtubule organization from the centrosome / Anchoring of the basal body to the plasma membrane / AURKA Activation by TPX2 / male meiotic nuclear division / Recruitment of NuMA to mitotic centrosomes / Regulation of PLK1 Activity at G2/M Transition / seminiferous tubule development / Hedgehog 'off' state / microtubule plus-end binding / plus-end-directed microtubule motor activity / Kinesins / microtubule depolymerization / kinesin complex / COPI-dependent Golgi-to-ER retrograde traffic / microtubule-based movement / mitotic metaphase chromosome alignment / mitotic sister chromatid segregation / cytoplasmic microtubule / Amplification of signal from unattached kinetochores via a MAD2 inhibitory signal / ruffle / Mitotic Prometaphase / EML4 and NUDC in mitotic spindle formation / cellular response to interleukin-4 / MHC class II antigen presentation / regulation of microtubule cytoskeleton organization / Resolution of Sister Chromatid Cohesion / cellular response to estradiol stimulus / RHO GTPases Activate Formins / caveola / kinetochore / structural constituent of cytoskeleton / microtubule cytoskeleton organization / Separation of Sister Chromatids / neuron migration / protein transport / mitotic cell cycle / double-stranded RNA binding / actin binding / microtubule cytoskeleton / microtubule binding / 加水分解酵素; 酸無水物に作用; GTPに作用・細胞または細胞小器官の運動に関与 / microtubule / hydrolase activity / cilium / GTPase activity / ubiquitin protein ligase binding / centrosome / GTP binding / ATP hydrolysis activity / ATP binding / metal ion binding / nucleus / cytosol / cytoplasm 類似検索 - 分子機能 Kinesin-like protein / Kinesin motor domain signature. / Kinesin motor domain, conserved site / Kinesin motor domain / Kinesin motor domain profile. / Kinesin motor, catalytic domain. ATPase. / Kinesin motor domain / Kinesin motor domain superfamily / Tubulin-beta mRNA autoregulation signal. / Alpha tubulin ... Kinesin-like protein / Kinesin motor domain signature. / Kinesin motor domain, conserved site / Kinesin motor domain / Kinesin motor domain profile. / Kinesin motor, catalytic domain. ATPase. / Kinesin motor domain / Kinesin motor domain superfamily / Tubulin-beta mRNA autoregulation signal. / Alpha tubulin / Beta tubulin, autoregulation binding site / Beta tubulin / Tubulin / Tubulin, C-terminal / Tubulin C-terminal domain / Tubulin, conserved site / Tubulin subunits alpha, beta, and gamma signature. / Tubulin/FtsZ family, C-terminal domain / Tubulin/FtsZ-like, C-terminal domain / Tubulin/FtsZ, C-terminal / Tubulin/FtsZ, 2-layer sandwich domain / Tubulin/FtsZ family, GTPase domain / Tubulin/FtsZ family, GTPase domain / Tubulin/FtsZ, GTPase domain / Tubulin/FtsZ, GTPase domain superfamily / P-loop containing nucleoside triphosphate hydrolase 類似検索 - ドメイン・相同性 PHOSPHOAMINOPHOSPHONIC ACID-ADENYLATE ESTER / GUANOSINE-5'-DIPHOSPHATE / GUANOSINE-5'-TRIPHOSPHATE / TAXOL / Tubulin alpha chain / Tubulin beta chain / Tubulin alpha-1B chain / Kinesin-like protein KIF18A 類似検索 - 構成要素生物種 Homo sapiens (ヒト)Bos taurus (ウシ)Sus scrofa (ブタ)手法 電子顕微鏡法 / らせん対称体再構成法 / クライオ電子顕微鏡法 / 解像度 : 5.2 Å 詳細データ登録者 Locke, J. / Joseph, A.P. / Topf, M. / Moores, C.A. 資金援助 英国, 2件 詳細 詳細を隠す組織 認可番号 国 Cancer Research UK C33336/A13177 英国 Worldwide Cancer Research 16-0037 英国
引用ジャーナル : Proc Natl Acad Sci U S A / 年 : 2017タイトル : Structural basis of human kinesin-8 function and inhibition.著者 : Julia Locke / Agnel Praveen Joseph / Alejandro Peña / Martin M Möckel / Thomas U Mayer / Maya Topf / Carolyn A Moores / 要旨 : Kinesin motors play diverse roles in mitosis and are targets for antimitotic drugs. The clinical significance of these motors emphasizes the importance of understanding the molecular basis of their ... Kinesin motors play diverse roles in mitosis and are targets for antimitotic drugs. The clinical significance of these motors emphasizes the importance of understanding the molecular basis of their function. Equally important, investigations into the modes of inhibition of these motors provide crucial information about their molecular mechanisms. Kif18A regulates spindle microtubules through its dual functionality, with microtubule-based stepping and regulation of microtubule dynamics. We investigated the mechanism of Kif18A and its inhibition by the small molecule BTB-1. The Kif18A motor domain drives ATP-dependent plus-end microtubule gliding, and undergoes conformational changes consistent with canonical mechanisms of plus-end-directed motility. The Kif18A motor domain also depolymerizes microtubule plus and minus ends. BTB-1 inhibits both of these microtubule-based Kif18A activities. A reconstruction of BTB-1-bound, microtubule-bound Kif18A, in combination with computational modeling, identified an allosteric BTB-1-binding site near loop5, where it blocks the ATP-dependent conformational changes that we characterized. Strikingly, BTB-1 binding is close to that of well-characterized Kif11 inhibitors that block tight microtubule binding, whereas BTB-1 traps Kif18A on the microtubule. Our work highlights a general mechanism of kinesin inhibition in which small-molecule binding near loop5 prevents a range of conformational changes, blocking motor function. 履歴 登録 2017年7月3日 登録サイト : PDBE / 処理サイト : PDBE改定 1.0 2017年10月25日 Provider : repository / タイプ : Initial release改定 1.1 2017年11月8日 Group : Database references / カテゴリ : citation / citation_authorItem : _citation.journal_abbrev / _citation.pdbx_database_id_PubMed ... _citation.journal_abbrev / _citation.pdbx_database_id_PubMed / _citation.title / _citation_author.name 改定 1.2 2017年11月15日 Group : Database references / カテゴリ : citationItem : _citation.journal_volume / _citation.page_first / _citation.page_last改定 1.3 2019年8月21日 Group : Data collection / カテゴリ : em_software / Item : _em_software.name改定 1.4 2024年5月15日 Group : Data collection / Database references / カテゴリ : chem_comp_atom / chem_comp_bond / database_2Item : _database_2.pdbx_DOI / _database_2.pdbx_database_accession改定 1.5 2024年11月13日 Group : Data collection / Source and taxonomy / Structure summaryカテゴリ : em_admin / em_entity_assembly_naturalsource / pdbx_entry_detailsItem : _em_admin.last_update / _em_entity_assembly_naturalsource.id
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