+データを開く
-基本情報
登録情報 | データベース: EMDB / ID: EMD-34271 | ||||||||||||||||||||||||||||||||||||||||||
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タイトル | Cryo-EM structure of cancer-specific PI3Kalpha mutant E542K in complex with BYL-719 | ||||||||||||||||||||||||||||||||||||||||||
マップデータ | |||||||||||||||||||||||||||||||||||||||||||
試料 |
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キーワード | Phosphoinositide 3-kinase (PI3K) / helical domain / mutation / cancers / STRUCTURAL PROTEIN | ||||||||||||||||||||||||||||||||||||||||||
機能・相同性 | 機能・相同性情報 response to muscle inactivity / negative regulation of actin filament depolymerization / response to L-leucine / regulation of actin filament organization / response to butyrate / IRS-mediated signalling / cellular response to hydrostatic pressure / autosome genomic imprinting / PI3K events in ERBB4 signaling / Activated NTRK2 signals through PI3K ...response to muscle inactivity / negative regulation of actin filament depolymerization / response to L-leucine / regulation of actin filament organization / response to butyrate / IRS-mediated signalling / cellular response to hydrostatic pressure / autosome genomic imprinting / PI3K events in ERBB4 signaling / Activated NTRK2 signals through PI3K / positive regulation of protein localization to membrane / Activated NTRK3 signals through PI3K / negative regulation of fibroblast apoptotic process / phosphatidylinositol 3-kinase complex, class IB / vasculature development / regulation of cellular respiration / Signaling by cytosolic FGFR1 fusion mutants / cardiac muscle cell contraction / phosphatidylinositol 3-kinase complex, class IA / phosphatidylinositol 3-kinase complex / Nephrin family interactions / anoikis / relaxation of cardiac muscle / Signaling by LTK in cancer / Costimulation by the CD28 family / 1-phosphatidylinositol-4-phosphate 3-kinase activity / 1-phosphatidylinositol-4,5-bisphosphate 3-kinase activity / Signaling by LTK / MET activates PI3K/AKT signaling / phosphatidylinositol-4,5-bisphosphate 3-kinase / PI3K/AKT activation / phosphatidylinositol 3-kinase / vascular endothelial growth factor signaling pathway / phosphatidylinositol-3-phosphate biosynthetic process / 1-phosphatidylinositol-3-kinase activity / Signaling by ALK / negative regulation of macroautophagy / PI-3K cascade:FGFR2 / PI-3K cascade:FGFR3 / Erythropoietin activates Phosphoinositide-3-kinase (PI3K) / protein kinase activator activity / PI-3K cascade:FGFR4 / response to dexamethasone / PI-3K cascade:FGFR1 / phosphatidylinositol-mediated signaling / Synthesis of PIPs at the plasma membrane / CD28 dependent PI3K/Akt signaling / phosphatidylinositol phosphate biosynthetic process / PI3K events in ERBB2 signaling / PI3K Cascade / negative regulation of anoikis / intercalated disc / RET signaling / insulin receptor substrate binding / Interleukin-3, Interleukin-5 and GM-CSF signaling / regulation of multicellular organism growth / positive regulation of TOR signaling / endothelial cell migration / RAC2 GTPase cycle / GAB1 signalosome / Role of phospholipids in phagocytosis / Role of LAT2/NTAL/LAB on calcium mobilization / adipose tissue development / Interleukin receptor SHC signaling / positive regulation of lamellipodium assembly / Signaling by PDGFRA transmembrane, juxtamembrane and kinase domain mutants / Signaling by PDGFRA extracellular domain mutants / phagocytosis / Signaling by FGFR4 in disease / phosphorylation / cardiac muscle contraction / energy homeostasis / Signaling by FLT3 ITD and TKD mutants / Signaling by FGFR2 in disease / Signaling by FGFR3 in disease / Tie2 Signaling / GPVI-mediated activation cascade / T cell costimulation / FLT3 Signaling / response to muscle stretch / Signaling by FLT3 fusion proteins / RAC1 GTPase cycle / Signaling by FGFR1 in disease / phosphatidylinositol 3-kinase/protein kinase B signal transduction / Downstream signal transduction / Signaling by phosphorylated juxtamembrane, extracellular and kinase domain KIT mutants / liver development / insulin-like growth factor receptor signaling pathway / response to activity / Regulation of signaling by CBL / cellular response to glucose stimulus / positive regulation of smooth muscle cell proliferation / regulation of protein phosphorylation / Constitutive Signaling by EGFRvIII / Signaling by ERBB2 ECD mutants / Signaling by SCF-KIT / epidermal growth factor receptor signaling pathway / Signaling by ERBB2 KD Mutants / platelet activation / VEGFA-VEGFR2 Pathway 類似検索 - 分子機能 | ||||||||||||||||||||||||||||||||||||||||||
生物種 | Homo sapiens (ヒト) | ||||||||||||||||||||||||||||||||||||||||||
手法 | 単粒子再構成法 / クライオ電子顕微鏡法 / 解像度: 2.77 Å | ||||||||||||||||||||||||||||||||||||||||||
データ登録者 | Liu X / Zhou Q / Hart JR / Xu Y / Yang S / Yang D / Vogt PK / Wang M-W | ||||||||||||||||||||||||||||||||||||||||||
資金援助 | 中国, 米国, 13件
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引用 | ジャーナル: Proc Natl Acad Sci U S A / 年: 2022 タイトル: Cryo-EM structures of cancer-specific helical and kinase domain mutations of PI3Kα. 著者: Xiao Liu / Qingtong Zhou / Jonathan R Hart / Yingna Xu / Su Yang / Dehua Yang / Peter K Vogt / Ming-Wei Wang / 要旨: Phosphoinositide 3-kinases (PI3Ks) are a family of lipid kinases that perform multiple and important cellular functions. The protein investigated here belongs to class IA of the PI3Ks; it is a dimer ...Phosphoinositide 3-kinases (PI3Ks) are a family of lipid kinases that perform multiple and important cellular functions. The protein investigated here belongs to class IA of the PI3Ks; it is a dimer consisting of a catalytic subunit, p110α, and a regulatory subunit, p85α, and is referred to as PI3Kα. The catalytic subunit p110α is frequently mutated in cancer. The mutations induce a gain of function and constitute a driving force in cancer development. About 80% of these mutations lead to single-amino-acid substitutions in one of three sites of p110α: two in the helical domain of the protein (E542K and E545K) and one at the C-terminus of the kinase domain (H1047R). Here, we report the cryo-electron microscopy structures of these mutants in complex with the p110α-specific inhibitor BYL-719. The H1047R mutant rotates its sidechain to a new position and weakens the kα11 activation loop interaction, thereby reducing the inhibitory effect of p85α on p110α. E542K and E545K completely abolish the tight interaction between the helical domain of p110α and the N-terminal SH2 domain of p85α and lead to the disruption of all p85α binding and a dramatic increase in flexibility of the adaptor-binding domain (ABD) in p110α. Yet, the dimerization of PI3Kα is preserved through the ABD-p85α interaction. The local and global structural features induced by these mutations provide molecular insights into the activation of PI3Kα, deepen our understanding of the oncogenic mechanism of this important signaling molecule, and may facilitate the development of mutant-specific inhibitors. | ||||||||||||||||||||||||||||||||||||||||||
履歴 |
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-構造の表示
添付画像 |
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-ダウンロードとリンク
-EMDBアーカイブ
マップデータ | emd_34271.map.gz | 59.7 MB | EMDBマップデータ形式 | |
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ヘッダ (付随情報) | emd-34271-v30.xml emd-34271.xml | 18.1 KB 18.1 KB | 表示 表示 | EMDBヘッダ |
FSC (解像度算出) | emd_34271_fsc.xml | 9.1 KB | 表示 | FSCデータファイル |
画像 | emd_34271.png | 39.4 KB | ||
Filedesc metadata | emd-34271.cif.gz | 6.5 KB | ||
その他 | emd_34271_half_map_1.map.gz emd_34271_half_map_2.map.gz | 59.4 MB 59.4 MB | ||
アーカイブディレクトリ | http://ftp.pdbj.org/pub/emdb/structures/EMD-34271 ftp://ftp.pdbj.org/pub/emdb/structures/EMD-34271 | HTTPS FTP |
-検証レポート
文書・要旨 | emd_34271_validation.pdf.gz | 732.6 KB | 表示 | EMDB検証レポート |
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文書・詳細版 | emd_34271_full_validation.pdf.gz | 732.1 KB | 表示 | |
XML形式データ | emd_34271_validation.xml.gz | 16.2 KB | 表示 | |
CIF形式データ | emd_34271_validation.cif.gz | 21.3 KB | 表示 | |
アーカイブディレクトリ | https://ftp.pdbj.org/pub/emdb/validation_reports/EMD-34271 ftp://ftp.pdbj.org/pub/emdb/validation_reports/EMD-34271 | HTTPS FTP |
-関連構造データ
-リンク
EMDBのページ | EMDB (EBI/PDBe) / EMDataResource |
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「今月の分子」の関連する項目 |
-マップ
ファイル | ダウンロード / ファイル: emd_34271.map.gz / 形式: CCP4 / 大きさ: 64 MB / タイプ: IMAGE STORED AS FLOATING POINT NUMBER (4 BYTES) | ||||||||||||||||||||||||||||||||||||
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投影像・断面図 | 画像のコントロール
画像は Spider により作成 | ||||||||||||||||||||||||||||||||||||
ボクセルのサイズ | X=Y=Z: 1.071 Å | ||||||||||||||||||||||||||||||||||||
密度 |
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対称性 | 空間群: 1 | ||||||||||||||||||||||||||||||||||||
詳細 | EMDB XML:
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-添付データ
-ハーフマップ: #2
ファイル | emd_34271_half_map_1.map | ||||||||||||
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投影像・断面図 |
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密度ヒストグラム |
-ハーフマップ: #1
ファイル | emd_34271_half_map_2.map | ||||||||||||
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投影像・断面図 |
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密度ヒストグラム |
-試料の構成要素
-全体 : Human PI3Kalpha mutant E542K in complex with BYL-719
全体 | 名称: Human PI3Kalpha mutant E542K in complex with BYL-719 |
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要素 |
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-超分子 #1: Human PI3Kalpha mutant E542K in complex with BYL-719
超分子 | 名称: Human PI3Kalpha mutant E542K in complex with BYL-719 タイプ: complex / ID: 1 / 親要素: 0 / 含まれる分子: #1 |
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由来(天然) | 生物種: Homo sapiens (ヒト) |
-分子 #1: Phosphatidylinositol 4,5-bisphosphate 3-kinase catalytic subunit ...
分子 | 名称: Phosphatidylinositol 4,5-bisphosphate 3-kinase catalytic subunit alpha isoform タイプ: protein_or_peptide / ID: 1 / コピー数: 1 / 光学異性体: LEVO / EC番号: phosphatidylinositol 3-kinase |
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由来(天然) | 生物種: Homo sapiens (ヒト) |
分子量 | 理論値: 127.822641 KDa |
組換発現 | 生物種: Trichoplusia ni (イラクサキンウワバ) |
配列 | 文字列: MSYYHHHHHH DYDIPTTENL YFQGAMGSMP PRPSSGELWG IHLMPPRILV ECLLPNGMIV TLECLREATL ITIKHELFKE ARKYPLHQL LQDESSYIFV SVTQEAEREE FFDETRRLCD LRLFQPFLKV IEPVGNREEK ILNREIGFAI GMPVCEFDMV K DPEVQDFR ...文字列: MSYYHHHHHH DYDIPTTENL YFQGAMGSMP PRPSSGELWG IHLMPPRILV ECLLPNGMIV TLECLREATL ITIKHELFKE ARKYPLHQL LQDESSYIFV SVTQEAEREE FFDETRRLCD LRLFQPFLKV IEPVGNREEK ILNREIGFAI GMPVCEFDMV K DPEVQDFR RNILNVCKEA VDLRDLNSPH SRAMYVYPPN VESSPELPKH IYNKLDKGQI IVVIWVIVSP NNDKQKYTLK IN HDCVPEQ VIAEAIRKKT RSMLLSSEQL KLCVLEYQGK YILKVCGCDE YFLEKYPLSQ YKYIRSCIML GRMPNLMLMA KES LYSQLP MDCFTMPSYS RRISTATPYM NGETSTKSLW VINSALRIKI LCATYVNVNI RDIDKIYVRT GIYHGGEPLC DNVN TQRVP CSNPRWNEWL NYDIYIPDLP RAARLCLSIC SVKGRKGAKE EHCPLAWGNI NLFDYTDTLV SGKMALNLWP VPHGL EDLL NPIGVTGSNP NKETPCLELE FDWFSSVVKF PDMSVIEEHA NWSVSREAGF SYSHAGLSNR LARDNELREN DKEQLK AIS TRDPLSKITE QEKDFLWSHR HYCVTIPEIL PKLLLSVKWN SRDEVAQMYC LVKDWPPIKP EQAMELLDCN YPDPMVR GF AVRCLEKYLT DDKLSQYLIQ LVQVLKYEQY LDNLLVRFLL KKALTNQRIG HFFFWHLKSE MHNKTVSQRF GLLLESYC R ACGMYLKHLN RQVEAMEKLI NLTDILKQEK KDETQKVQMK FLVEQMRRPD FMDALQGFLS PLNPAHQLGN LRLEECRIM SSAKRPLWLN WENPDIMSEL LFQNNEIIFK NGDDLRQDML TLQIIRIMEN IWQNQGLDLR MLPYGCLSIG DCVGLIEVVR NSHTIMQIQ CKGGLKGALQ FNSHTLHQWL KDKNKGEIYD AAIDLFTRSC AGYCVATFIL GIGDRHNSNI MVKDDGQLFH I DFGHFLDH KKKKFGYKRE RVPFVLTQDF LIVISKGAQE CTKTREFERF QEMCYKAYLA IRQHANLFIN LFSMMLGSGM PE LQSFDDI AYIRKTLALD KTEQEALEYF MKQMNDAHHG GWTTKMDWIF HTIKQHALN UniProtKB: Phosphatidylinositol 4,5-bisphosphate 3-kinase catalytic subunit alpha isoform |
-分子 #2: (2S)-N~1~-{4-methyl-5-[2-(1,1,1-trifluoro-2-methylpropan-2-yl)pyr...
分子 | 名称: (2S)-N~1~-{4-methyl-5-[2-(1,1,1-trifluoro-2-methylpropan-2-yl)pyridin-4-yl]-1,3-thiazol-2-yl}pyrrolidine-1,2-dicarboxamide タイプ: ligand / ID: 2 / コピー数: 1 / 式: 1LT |
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分子量 | 理論値: 441.47 Da |
Chemical component information | ChemComp-1LT: |
-実験情報
-構造解析
手法 | クライオ電子顕微鏡法 |
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解析 | 単粒子再構成法 |
試料の集合状態 | particle |
-試料調製
濃度 | 1.0 mg/mL |
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緩衝液 | pH: 7.6 |
凍結 | 凍結剤: ETHANE |
-電子顕微鏡法
顕微鏡 | FEI TITAN KRIOS |
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撮影 | フィルム・検出器のモデル: GATAN K3 (6k x 4k) / 実像数: 5911 / 平均電子線量: 70.0 e/Å2 |
電子線 | 加速電圧: 300 kV / 電子線源: OTHER |
電子光学系 | 照射モード: OTHER / 撮影モード: BRIGHT FIELD / 最大 デフォーカス(公称値): 2.5 µm / 最小 デフォーカス(公称値): 1.5 µm |
実験機器 | モデル: Titan Krios / 画像提供: FEI Company |