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基本情報
登録情報 | データベース: PDB / ID: 7mzz | ||||||
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タイトル | AUGbeta - FAM150A - ALKL1 60-128 | ||||||
![]() | ALK and LTK ligand 1 | ||||||
![]() | CYTOKINE / Anaplastic lymphoma kinase (ALK) activating ligand / FAM150B / ALKL2 77-152 | ||||||
機能・相同性 | ![]() positive regulation of ERK5 cascade / receptor signaling protein tyrosine kinase activator activity / transmembrane receptor protein tyrosine kinase activator activity / Signaling by LTK / Signaling by ALK / cell surface receptor protein tyrosine kinase signaling pathway / cytokine activity / positive regulation of neuron projection development / receptor tyrosine kinase binding / positive regulation of ERK1 and ERK2 cascade ...positive regulation of ERK5 cascade / receptor signaling protein tyrosine kinase activator activity / transmembrane receptor protein tyrosine kinase activator activity / Signaling by LTK / Signaling by ALK / cell surface receptor protein tyrosine kinase signaling pathway / cytokine activity / positive regulation of neuron projection development / receptor tyrosine kinase binding / positive regulation of ERK1 and ERK2 cascade / extracellular space / extracellular region / plasma membrane 類似検索 - 分子機能 | ||||||
生物種 | ![]() | ||||||
手法 | 溶液NMR / molecular dynamics | ||||||
![]() | Rossi, P. / Sowaileh, M. / Reshetnyak, A.V. / Kalodimos, C.G. | ||||||
資金援助 | ![]()
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![]() | ![]() タイトル: Mechanism for the activation of the anaplastic lymphoma kinase receptor. 著者: Andrey V Reshetnyak / Paolo Rossi / Alexander G Myasnikov / Munia Sowaileh / Jyotidarsini Mohanty / Amanda Nourse / Darcie J Miller / Irit Lax / Joseph Schlessinger / Charalampos G Kalodimos / ![]() 要旨: Anaplastic lymphoma kinase (ALK) is a receptor tyrosine kinase (RTK) that regulates important functions in the central nervous system. The ALK gene is a hotspot for chromosomal translocation events ...Anaplastic lymphoma kinase (ALK) is a receptor tyrosine kinase (RTK) that regulates important functions in the central nervous system. The ALK gene is a hotspot for chromosomal translocation events that result in several fusion proteins that cause a variety of human malignancies. Somatic and germline gain-of-function mutations in ALK were identified in paediatric neuroblastoma. ALK is composed of an extracellular region (ECR), a single transmembrane helix and an intracellular tyrosine kinase domain. ALK is activated by the binding of ALKAL1 and ALKAL2 ligands to its ECR, but the lack of structural information for the ALK-ECR or for ALKAL ligands has limited our understanding of ALK activation. Here we used cryo-electron microscopy, nuclear magnetic resonance and X-ray crystallography to determine the atomic details of human ALK dimerization and activation by ALKAL1 and ALKAL2. Our data reveal a mechanism of RTK activation that allows dimerization by either dimeric (ALKAL2) or monomeric (ALKAL1) ligands. This mechanism is underpinned by an unusual architecture of the receptor-ligand complex. The ALK-ECR undergoes a pronounced ligand-induced rearrangement and adopts an orientation parallel to the membrane surface. This orientation is further stabilized by an interaction between the ligand and the membrane. Our findings highlight the diversity in RTK oligomerization and activation mechanisms. | ||||||
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構造の表示
構造ビューア | 分子: ![]() ![]() |
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PDBx/mmCIF形式 | ![]() | 512.1 KB | 表示 | ![]() |
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PDB形式 | ![]() | 435.2 KB | 表示 | ![]() |
PDBx/mmJSON形式 | ![]() | ツリー表示 | ![]() | |
その他 | ![]() |
-検証レポート
アーカイブディレクトリ | ![]() ![]() | HTTPS FTP |
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-関連構造データ
関連構造データ | ![]() 7mzwC ![]() 7mzxC ![]() 7mzyC ![]() 7n00C C: 同じ文献を引用 ( |
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集合体
登録構造単位 | ![]()
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NMR アンサンブル |
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要素
#1: タンパク質 | 分子量: 8187.402 Da / 分子数: 1 / 断片: residues 60-129 / 由来タイプ: 組換発現 / 由来: (組換発現) ![]() ![]() ![]() |
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Has protein modification | Y |
-実験情報
-実験
実験 | 手法: 溶液NMR | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
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NMR実験 |
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試料調製
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試料 |
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試料状態 | イオン強度: 170 mM / Label: conditions_1 / pH: 7 / 圧: 1 atm / 温度: 298 K |
-NMR測定
NMRスペクトロメーター |
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解析
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精密化 | 手法: molecular dynamics / ソフトェア番号: 1 / 詳細: restrained MD in explicit H2O bath | ||||||||||||||||||||||||||||||||||||||||
代表構造 | 選択基準: lowest energy | ||||||||||||||||||||||||||||||||||||||||
NMRアンサンブル | コンフォーマー選択の基準: target function / 計算したコンフォーマーの数: 100 / 登録したコンフォーマーの数: 20 |