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基本情報
| 登録情報 | データベース: PDB / ID: 6lz0 | ||||||
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| タイトル | Cryo-EM structure of human MCT1 in complex with Basigin-2 in the presence of lactate | ||||||
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キーワード | TRANSPORT PROTEIN / lactate transporter / MCT1 / Basigin-2 / Proton-coupled monocarboxylate transporter | ||||||
| 機能・相同性 | 機能・相同性情報mevalonate transmembrane transporter activity / mevalonate transport / behavioral response to nutrient / plasma membrane lactate transport / pyruvate transmembrane transport / lactate transmembrane transporter activity / lactate:proton symporter activity / Defective SLC16A1 causes symptomatic deficiency in lactate transport (SDLT) / Proton-coupled monocarboxylate transport / succinate transmembrane transport ...mevalonate transmembrane transporter activity / mevalonate transport / behavioral response to nutrient / plasma membrane lactate transport / pyruvate transmembrane transport / lactate transmembrane transporter activity / lactate:proton symporter activity / Defective SLC16A1 causes symptomatic deficiency in lactate transport (SDLT) / Proton-coupled monocarboxylate transport / succinate transmembrane transport / monocarboxylic acid transmembrane transporter activity / monocarboxylic acid transport / positive regulation of matrix metallopeptidase secretion / succinate transmembrane transporter activity / carboxylic acid transmembrane transport / carboxylic acid transmembrane transporter activity / dendrite self-avoidance / acrosomal membrane / cell-cell adhesion mediator activity / pyruvate catabolic process / endothelial tube morphogenesis / response to mercury ion / neural retina development / photoreceptor cell maintenance / centrosome cycle / Basigin interactions / response to food / Aspirin ADME / D-mannose binding / homophilic cell-cell adhesion / odontogenesis of dentin-containing tooth / decidualization / positive regulation of vascular endothelial growth factor production / lateral plasma membrane / photoreceptor outer segment / response to cAMP / Integrin cell surface interactions / transport across blood-brain barrier / Degradation of the extracellular matrix / neutrophil chemotaxis / photoreceptor inner segment / embryo implantation / positive regulation of endothelial cell migration / regulation of insulin secretion / axon guidance / basal plasma membrane / protein localization to plasma membrane / response to peptide hormone / sarcolemma / positive regulation of interleukin-6 production / lipid metabolic process / cell junction / melanosome / glucose homeostasis / signaling receptor activity / virus receptor activity / angiogenesis / basolateral plasma membrane / positive regulation of viral entry into host cell / cell surface receptor signaling pathway / endosome / apical plasma membrane / cadherin binding / Golgi membrane / axon / focal adhesion / intracellular membrane-bounded organelle / synapse / centrosome / endoplasmic reticulum membrane / mitochondrion / extracellular exosome / identical protein binding / membrane / plasma membrane 類似検索 - 分子機能 | ||||||
| 生物種 | Homo sapiens (ヒト) | ||||||
| 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: 3.3 Å | ||||||
データ登録者 | Wang, N. / Jiang, X. / Zhang, S. / Zhu, A. / Yuan, Y. / Lei, J. / Yan, C. | ||||||
引用 | ジャーナル: Cell / 年: 2021タイトル: Structural basis of human monocarboxylate transporter 1 inhibition by anti-cancer drug candidates. 著者: Nan Wang / Xin Jiang / Shuo Zhang / Angqi Zhu / Yafei Yuan / Hanwen Xu / Jianlin Lei / Chuangye Yan / ![]() 要旨: Proton-coupled monocarboxylate transporters MCT1-4 catalyze the transmembrane movement of metabolically essential monocarboxylates and have been targeted for cancer treatment because of their ...Proton-coupled monocarboxylate transporters MCT1-4 catalyze the transmembrane movement of metabolically essential monocarboxylates and have been targeted for cancer treatment because of their enhanced expression in various tumors. Here, we report five cryo-EM structures, at resolutions of 3.0-3.3 Å, of human MCT1 bound to lactate or inhibitors in the presence of Basigin-2, a single transmembrane segment (TM)-containing chaperon. MCT1 exhibits similar outward-open conformations when complexed with lactate or the inhibitors BAY-8002 and AZD3965. In the presence of the inhibitor 7ACC2 or with the neutralization of the proton-coupling residue Asp309 by Asn, similar inward-open structures were captured. Complemented by structural-guided biochemical analyses, our studies reveal the substrate binding and transport mechanism of MCTs, elucidate the mode of action of three anti-cancer drug candidates, and identify the determinants for subtype-specific sensitivities to AZD3965 by MCT1 and MCT4. These findings lay out an important framework for structure-guided drug discovery targeting MCTs. | ||||||
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構造の表示
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| 構造ビューア | 分子: Molmil Jmol/JSmol |
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ダウンロードとリンク
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ダウンロード
| PDBx/mmCIF形式 | 6lz0.cif.gz | 111.9 KB | 表示 | PDBx/mmCIF形式 |
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| PDB形式 | pdb6lz0.ent.gz | 79.3 KB | 表示 | PDB形式 |
| PDBx/mmJSON形式 | 6lz0.json.gz | ツリー表示 | PDBx/mmJSON形式 | |
| その他 | その他のダウンロード |
-検証レポート
| アーカイブディレクトリ | https://data.pdbj.org/pub/pdb/validation_reports/lz/6lz0 ftp://data.pdbj.org/pub/pdb/validation_reports/lz/6lz0 | HTTPS FTP |
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-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
| #1: タンパク質 | 分子量: 53992.852 Da / 分子数: 1 / 由来タイプ: 組換発現 / 由来: (組換発現) Homo sapiens (ヒト) / 遺伝子: SLC16A1, MCT1発現宿主: ![]() 参照: UniProt: P53985 |
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| #2: タンパク質 | 分子量: 29254.938 Da / 分子数: 1 / 由来タイプ: 組換発現 / 由来: (組換発現) Homo sapiens (ヒト) / 遺伝子: BSG, UNQ6505/PRO21383発現宿主: ![]() 参照: UniProt: P35613 |
| #3: 化合物 | ChemComp-2OP / ( |
| 研究の焦点であるリガンドがあるか | Y |
-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: MCT1/Basigin-2 complex in the present of lactate / タイプ: COMPLEX / Entity ID: #1-#2 / 由来: RECOMBINANT |
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| 由来(天然) | 生物種: Homo sapiens (ヒト) |
| 由来(組換発現) | 生物種: ![]() |
| 緩衝液 | pH: 8 / 詳細: 25 mM Tris pH 8.0, 150 mM NaCl, and 0.02% (w/v) GDN |
| 試料 | 濃度: 5 mg/ml / 包埋: NO / シャドウイング: NO / 染色: NO / 凍結: YES |
| 急速凍結 | 凍結剤: ETHANE |
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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 |
| 電子銃 | 電子線源: FIELD EMISSION GUN / 加速電圧: 300 kV / 照射モード: FLOOD BEAM |
| 電子レンズ | モード: BRIGHT FIELD / Cs: 2.7 mm |
| 撮影 | 電子線照射量: 37.6 e/Å2 / フィルム・検出器のモデル: GATAN K3 (6k x 4k) |
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解析
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| CTF補正 | タイプ: NONE | ||||||||||||||||||||||||||||
| 対称性 | 点対称性: C1 (非対称) | ||||||||||||||||||||||||||||
| 3次元再構成 | 解像度: 3.3 Å / 解像度の算出法: FSC 0.143 CUT-OFF / 粒子像の数: 843599 / 対称性のタイプ: POINT | ||||||||||||||||||||||||||||
| 精密化 | 最高解像度: 3.3 Å |
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万見について




Homo sapiens (ヒト)
引用

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