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データを開く
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基本情報
登録情報 | データベース: PDB / ID: 7rpk | ||||||||||||||||||
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タイトル | Cryo-EM structure of murine Dispatched in complex with Sonic hedgehog | ||||||||||||||||||
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![]() | MEMBRANE PROTEIN / RND transporter / Hedgehog binding / Sterol sensing domain / sodium binding | ||||||||||||||||||
機能・相同性 | ![]() forebrain regionalization / cell proliferation in external granule layer / zona limitans intrathalamica formation / positive regulation of neurotrophin production / positive regulation of photoreceptor cell differentiation / fungiform papilla development / Release of Hh-Np from the secreting cell / digestive tract mesoderm development / epithelial-mesenchymal signaling involved in prostate gland development / fungiform papilla morphogenesis ...forebrain regionalization / cell proliferation in external granule layer / zona limitans intrathalamica formation / positive regulation of neurotrophin production / positive regulation of photoreceptor cell differentiation / fungiform papilla development / Release of Hh-Np from the secreting cell / digestive tract mesoderm development / epithelial-mesenchymal signaling involved in prostate gland development / fungiform papilla morphogenesis / ventral spinal cord interneuron specification / tongue morphogenesis / respiratory tube development / Ligand-receptor interactions / patched ligand maturation / Activation of SMO / mesenchymal-epithelial cell signaling involved in prostate gland development / positive regulation of oligodendrocyte progenitor proliferation / trachea development / positive regulation of skeletal muscle cell proliferation / anatomical structure formation involved in morphogenesis / right lung development / left lung development / primary prostatic bud elongation / regulation of mesenchymal cell proliferation involved in prostate gland development / mesenchymal smoothened signaling pathway involved in prostate gland development / positive regulation of sclerotome development / tracheoesophageal septum formation / negative regulation of ureter smooth muscle cell differentiation / positive regulation of ureter smooth muscle cell differentiation / negative regulation of kidney smooth muscle cell differentiation / positive regulation of kidney smooth muscle cell differentiation / regulation of odontogenesis / positive regulation of mesenchymal cell proliferation involved in ureter development / polarity specification of anterior/posterior axis / trunk neural crest cell migration / hindgut morphogenesis / striated muscle tissue development / negative regulation of alpha-beta T cell differentiation / regulation of glial cell proliferation / regulation of prostatic bud formation / metanephric mesenchymal cell proliferation involved in metanephros development / positive regulation of penile erection / formation of anatomical boundary / lung epithelium development / positive regulation of striated muscle cell differentiation / neural tube formation / trachea morphogenesis / myotube differentiation / regulation of epithelial cell proliferation involved in prostate gland development / cholesterol-protein transferase activity / bud outgrowth involved in lung branching / diaphragm development / telencephalon regionalization / epithelial-mesenchymal cell signaling / laminin-1 binding / vasculogenesis involved in coronary vascular morphogenesis / Hedgehog ligand biogenesis / salivary gland cavitation / negative regulation of cholesterol efflux / determination of left/right asymmetry in lateral mesoderm / spinal cord dorsal/ventral patterning / negative regulation of mesenchymal cell apoptotic process / cell development / positive regulation of cerebellar granule cell precursor proliferation / negative regulation of T cell differentiation in thymus / spinal cord motor neuron differentiation / positive regulation of T cell differentiation in thymus / intermediate filament organization / cerebellar granule cell precursor proliferation / mesenchymal cell apoptotic process / embryonic skeletal system development / male genitalia morphogenesis / limb bud formation / lung lobe morphogenesis / prostate gland development / skeletal muscle fiber differentiation / establishment of epithelial cell polarity / fungiform papilla formation / thalamus development / embryonic digestive tract morphogenesis / embryonic foregut morphogenesis / somite development / patched binding / epithelial cell proliferation involved in salivary gland morphogenesis / hindbrain development / positive regulation of skeletal muscle tissue development / animal organ formation / ectoderm development / neuron fate commitment / branching involved in prostate gland morphogenesis / stem cell development / dorsal/ventral neural tube patterning / negative regulation of dopaminergic neuron differentiation / mesenchymal cell proliferation involved in lung development / negative thymic T cell selection / skeletal muscle cell proliferation / lymphoid progenitor cell differentiation / mesenchymal cell proliferation / positive regulation of immature T cell proliferation in thymus 類似検索 - 分子機能 | ||||||||||||||||||
生物種 | ![]() ![]() | ||||||||||||||||||
手法 | 電子顕微鏡法 / 単粒子再構成法 / クライオ電子顕微鏡法 / 解像度: 2.7 Å | ||||||||||||||||||
![]() | Asarnow, D. / Wang, Q. / Ding, K. / Cheng, Y. / Beachy, P.A. | ||||||||||||||||||
資金援助 | ![]()
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![]() | ![]() タイトル: Dispatched uses Na flux to power release of lipid-modified Hedgehog. 著者: Qianqian Wang / Daniel E Asarnow / Ke Ding / Randall K Mann / Jason Hatakeyama / Yunxiao Zhang / Yong Ma / Yifan Cheng / Philip A Beachy / ![]() ![]() 要旨: The Dispatched protein, which is related to the NPC1 and PTCH1 cholesterol transporters and to H-driven transporters of the RND family, enables tissue-patterning activity of the lipid-modified ...The Dispatched protein, which is related to the NPC1 and PTCH1 cholesterol transporters and to H-driven transporters of the RND family, enables tissue-patterning activity of the lipid-modified Hedgehog protein by releasing it from tightly -localized sites of embryonic expression. Here we determine a cryo-electron microscopy structure of the mouse protein Dispatched homologue 1 (DISP1), revealing three Na ions coordinated within a channel that traverses its transmembrane domain. We find that the rate of Hedgehog export is dependent on the Na gradient across the plasma membrane. The transmembrane channel and Na binding are disrupted in DISP1-NNN, a variant with asparagine substitutions for three intramembrane aspartate residues that each coordinate and neutralize the charge of one of the three Na ions. DISP1-NNN and variants that disrupt single Na sites retain binding to, but are impaired in export of the lipid-modified Hedgehog protein to the SCUBE2 acceptor. Interaction of the amino-terminal signalling domain of the Sonic hedgehog protein (ShhN) with DISP1 occurs via an extensive buried surface area and contacts with an extended furin-cleaved DISP1 arm. Variability analysis reveals that ShhN binding is restricted to one extreme of a continuous series of DISP1 conformations. The bound and unbound DISP1 conformations display distinct Na-site occupancies, which suggests a mechanism by which transmembrane Na flux may power extraction of the lipid-linked Hedgehog signal from the membrane. Na-coordinating residues in DISP1 are conserved in PTCH1 and other metazoan RND family members, suggesting that Na flux powers their conformationally driven activities. | ||||||||||||||||||
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構造の表示
ムービー |
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構造ビューア | 分子: ![]() ![]() |
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PDBx/mmCIF形式 | ![]() | 248.2 KB | 表示 | ![]() |
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PDB形式 | ![]() | 192.1 KB | 表示 | ![]() |
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-検証レポート
文書・要旨 | ![]() | 2.7 MB | 表示 | ![]() |
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文書・詳細版 | ![]() | 2.7 MB | 表示 | |
XML形式データ | ![]() | 45.7 KB | 表示 | |
CIF形式データ | ![]() | 66.8 KB | 表示 | |
アーカイブディレクトリ | ![]() ![]() | HTTPS FTP |
-関連構造データ
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リンク
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集合体
登録構造単位 | ![]()
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要素
-タンパク質 , 2種, 2分子 AH
#1: タンパク質 | 分子量: 152071.141 Da / 分子数: 1 / 断片: UNP residues 172-1521 / 由来タイプ: 組換発現 / 由来: (組換発現) ![]() ![]() ![]() |
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#2: タンパク質 | 分子量: 18732.090 Da / 分子数: 1 / 断片: UNP residues 26-189 / 由来タイプ: 組換発現 / 由来: (組換発現) ![]() ![]() ![]() ![]() |
-糖 , 1種, 5分子 ![](data/chem/img/NAG.gif)
#7: 糖 | ChemComp-NAG / |
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-非ポリマー , 8種, 77分子 ![](data/chem/img/Y01.gif)
![](data/chem/img/AV0.gif)
![](data/chem/img/NA.gif)
![](data/chem/img/6OE.gif)
![](data/chem/img/CA.gif)
![](data/chem/img/ZN.gif)
![](data/chem/img/SO4.gif)
![](data/chem/img/HOH.gif)
![](data/chem/img/AV0.gif)
![](data/chem/img/NA.gif)
![](data/chem/img/6OE.gif)
![](data/chem/img/CA.gif)
![](data/chem/img/ZN.gif)
![](data/chem/img/SO4.gif)
![](data/chem/img/HOH.gif)
#3: 化合物 | ChemComp-Y01 / #4: 化合物 | #5: 化合物 | #6: 化合物 | ChemComp-6OE / ( | #8: 化合物 | #9: 化合物 | ChemComp-ZN / | #10: 化合物 | ChemComp-SO4 / | #11: 水 | ChemComp-HOH / | |
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-詳細
研究の焦点であるリガンドがあるか | Y |
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-実験情報
-実験
実験 | 手法: 電子顕微鏡法 |
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EM実験 | 試料の集合状態: PARTICLE / 3次元再構成法: 単粒子再構成法 |
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試料調製
構成要素 | 名称: Dispatched protein complexed with Sonic hedgehog 26-189 タイプ: COMPLEX / Entity ID: #1-#2 / 由来: RECOMBINANT | |||||||||||||||||||||||||||||||||||
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分子量 | 値: 0.15191493 MDa / 実験値: NO | |||||||||||||||||||||||||||||||||||
由来(天然) | 生物種: ![]() ![]() | |||||||||||||||||||||||||||||||||||
由来(組換発現) | 生物種: ![]() | |||||||||||||||||||||||||||||||||||
緩衝液 | pH: 7.5 | |||||||||||||||||||||||||||||||||||
緩衝液成分 |
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試料 | 濃度: 1.56 mg/ml / 包埋: NO / シャドウイング: NO / 染色: NO / 凍結: YES | |||||||||||||||||||||||||||||||||||
試料支持 | グリッドの材料: GOLD / グリッドのサイズ: 300 divisions/in. / グリッドのタイプ: Quantifoil R1.2/1.3 | |||||||||||||||||||||||||||||||||||
急速凍結 | 装置: FEI VITROBOT MARK IV / 凍結剤: ETHANE / 湿度: 100 % / 凍結前の試料温度: 281 K 詳細: Wait time 20 seconds, blot time 4 seconds, blotting force 0 |
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電子顕微鏡撮影
実験機器 | ![]() モデル: Titan Krios / 画像提供: FEI Company |
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顕微鏡 | モデル: FEI TITAN KRIOS 詳細: Automated data collection in SerialEM using 3x3 image shift pattern (one shot per hole), using beam tilt compensation. |
電子銃 | 電子線源: ![]() |
電子レンズ | モード: BRIGHT FIELD / 倍率(公称値): 105000 X / 倍率(補正後): 59880 X / 最大 デフォーカス(公称値): 1500 nm / 最小 デフォーカス(公称値): 500 nm / Cs: 2.7 mm / C2レンズ絞り径: 100 µm / アライメント法: COMA FREE |
試料ホルダ | 凍結剤: NITROGEN 試料ホルダーモデル: FEI TITAN KRIOS AUTOGRID HOLDER |
撮影 | 電子線照射量: 66.7 e/Å2 フィルム・検出器のモデル: GATAN K3 BIOQUANTUM (6k x 4k) 撮影したグリッド数: 1 / 実像数: 1687 |
電子光学装置 | エネルギーフィルター名称: GIF Bioquantum / エネルギーフィルタースリット幅: 20 eV |
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解析
EMソフトウェア |
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CTF補正 | タイプ: PHASE FLIPPING AND AMPLITUDE CORRECTION | |||||||||||||||||||||||||||||||||
粒子像の選択 | 選択した粒子像数: 1406648 | |||||||||||||||||||||||||||||||||
対称性 | 点対称性: C1 (非対称) | |||||||||||||||||||||||||||||||||
3次元再構成 | 解像度: 2.7 Å / 解像度の算出法: FSC 0.143 CUT-OFF / 粒子像の数: 204786 / アルゴリズム: FOURIER SPACE / クラス平均像の数: 1 / 対称性のタイプ: POINT | |||||||||||||||||||||||||||||||||
原子モデル構築 | B value: 69.9 / プロトコル: FLEXIBLE FIT / 空間: REAL |