+
データを開く
-
基本情報
登録情報 | ![]() | |||||||||
---|---|---|---|---|---|---|---|---|---|---|
タイトル | Structure of CXCR3 in the apo-state (Receptor focused map) | |||||||||
![]() | ||||||||||
![]() |
| |||||||||
![]() | GPCR / Arrestin / SIGNALING PROTEIN | |||||||||
機能・相同性 | ![]() regulation of leukocyte migration / chemokine binding / C-X-C chemokine binding / chemokine receptor activity / C-X-C chemokine receptor activity / positive regulation of chemotaxis / C-C chemokine receptor activity / C-C chemokine binding / T cell chemotaxis / negative regulation of execution phase of apoptosis ...regulation of leukocyte migration / chemokine binding / C-X-C chemokine binding / chemokine receptor activity / C-X-C chemokine receptor activity / positive regulation of chemotaxis / C-C chemokine receptor activity / C-C chemokine binding / T cell chemotaxis / negative regulation of execution phase of apoptosis / Chemokine receptors bind chemokines / negative regulation of endothelial cell proliferation / positive regulation of execution phase of apoptosis / regulation of cell adhesion / negative regulation of angiogenesis / positive regulation of release of sequestered calcium ion into cytosol / cell chemotaxis / calcium-mediated signaling / adenylate cyclase-activating G protein-coupled receptor signaling pathway / positive regulation of angiogenesis / chemotaxis / signaling receptor activity / positive regulation of cytosolic calcium ion concentration / angiogenesis / G alpha (i) signalling events / cell surface receptor signaling pathway / cell adhesion / immune response / G protein-coupled receptor signaling pathway / inflammatory response / external side of plasma membrane / positive regulation of cell population proliferation / apoptotic process / cell surface / positive regulation of transcription by RNA polymerase II / plasma membrane / cytoplasm 類似検索 - 分子機能 | |||||||||
生物種 | ![]() | |||||||||
手法 | 単粒子再構成法 / クライオ電子顕微鏡法 / 解像度: 3.68 Å | |||||||||
![]() | Sano FK / Saha S / Sharma S / Ganguly M / Shihoya W / Nureki O / Shukla AK / Banerjee R | |||||||||
資金援助 | ![]()
| |||||||||
![]() | ![]() タイトル: Structural visualization of small molecule recognition by CXCR3 uncovers dual-agonism in the CXCR3-CXCR7 system. 著者: Shirsha Saha / Fumiya K Sano / Saloni Sharma / Manisankar Ganguly / Annu Dalal / Sudha Mishra / Divyanshu Tiwari / Hiroaki Akasaka / Takaaki A Kobayashi / Nabarun Roy / Nashrah Zaidi / Yuzuru ...著者: Shirsha Saha / Fumiya K Sano / Saloni Sharma / Manisankar Ganguly / Annu Dalal / Sudha Mishra / Divyanshu Tiwari / Hiroaki Akasaka / Takaaki A Kobayashi / Nabarun Roy / Nashrah Zaidi / Yuzuru Itoh / Rob Leurs / Ramanuj Banerjee / Wataru Shihoya / Osamu Nureki / Arun K Shukla / ![]() ![]() ![]() 要旨: Chemokine receptors are critically involved in multiple physiological and pathophysiological processes related to immune response mechanisms. Most chemokine receptors are prototypical GPCRs although ...Chemokine receptors are critically involved in multiple physiological and pathophysiological processes related to immune response mechanisms. Most chemokine receptors are prototypical GPCRs although some also exhibit naturally-encoded signaling-bias toward β-arrestins (βarrs). C-X-C type chemokine receptors, namely CXCR3 and CXCR7, constitute a pair wherein the former is a prototypical GPCR while the latter exhibits selective coupling to βarrs despite sharing a common natural agonist: CXCL11. Moreover, CXCR3 and CXCR7 also recognize small molecule agonists suggesting a modular orthosteric ligand binding pocket. Here, we determine cryo-EM structures of CXCR3 in an Apo-state and in complex with small molecule agonists biased toward G-proteins or βarrs. These structural snapshots uncover an allosteric network bridging the ligand-binding pocket to intracellular side, driving the transducer-coupling bias at this receptor. Furthermore, structural topology of the orthosteric binding pocket also allows us to discover and validate that selected small molecule agonists of CXCR3 display robust agonism at CXCR7. Collectively, our study offers molecular insights into signaling-bias and dual agonism in the CXCR3-CXCR7 system with therapeutic implications. | |||||||||
履歴 |
|
-
構造の表示
-
ダウンロードとリンク
-EMDBアーカイブ
マップデータ | ![]() | 48.2 MB | ![]() | |
---|---|---|---|---|
ヘッダ (付随情報) | ![]() ![]() | 18.3 KB 18.3 KB | 表示 表示 | ![]() |
FSC (解像度算出) | ![]() | 7.9 KB | 表示 | ![]() |
画像 | ![]() | 24.9 KB | ||
Filedesc metadata | ![]() | 6.1 KB | ||
その他 | ![]() ![]() | 49 MB 49 MB | ||
アーカイブディレクトリ | ![]() ![]() | HTTPS FTP |
-検証レポート
文書・要旨 | ![]() | 857.8 KB | 表示 | ![]() |
---|---|---|---|---|
文書・詳細版 | ![]() | 857.4 KB | 表示 | |
XML形式データ | ![]() | 15.3 KB | 表示 | |
CIF形式データ | ![]() | 19.7 KB | 表示 | |
アーカイブディレクトリ | ![]() ![]() | HTTPS FTP |
-関連構造データ
-
リンク
EMDBのページ | ![]() ![]() |
---|---|
「今月の分子」の関連する項目 |
-
マップ
ファイル | ![]() | ||||||||||||||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
ボクセルのサイズ | X=Y=Z: 1.0375 Å | ||||||||||||||||||||
密度 |
| ||||||||||||||||||||
対称性 | 空間群: 1 | ||||||||||||||||||||
詳細 | EMDB XML:
|
-添付データ
-
試料の構成要素
-全体 : C-X-C chemokine receptor type 3 in complex with Go
全体 | 名称: C-X-C chemokine receptor type 3 in complex with Go |
---|---|
要素 |
|
-超分子 #1: C-X-C chemokine receptor type 3 in complex with Go
超分子 | 名称: C-X-C chemokine receptor type 3 in complex with Go / タイプ: complex / ID: 1 / 親要素: 0 / 含まれる分子: all |
---|---|
由来(天然) | 生物種: ![]() |
-分子 #1: C-X-C chemokine receptor type 3
分子 | 名称: C-X-C chemokine receptor type 3 / タイプ: protein_or_peptide / ID: 1 / コピー数: 1 / 光学異性体: LEVO |
---|---|
由来(天然) | 生物種: ![]() |
分子量 | 理論値: 46.597906 KDa |
組換発現 | 生物種: ![]() ![]() |
配列 | 文字列: MGKTIIALSY IFCLVFADYK DDDDAANFTP VNGSSGNQSV RLVTSSSLEV LFQGPGSVLE VSDHQVLNDA EVAALLENFS SSYDYGENE SDSCCTSPPC PQDFSLNFDR AFLPALYSLL FLLGLLGNGA VAAVLLSRRT ALSSTDTFLL HLAVADTLLV L TLPLWAVD ...文字列: MGKTIIALSY IFCLVFADYK DDDDAANFTP VNGSSGNQSV RLVTSSSLEV LFQGPGSVLE VSDHQVLNDA EVAALLENFS SSYDYGENE SDSCCTSPPC PQDFSLNFDR AFLPALYSLL FLLGLLGNGA VAAVLLSRRT ALSSTDTFLL HLAVADTLLV L TLPLWAVD AAVQWVFGSG LCKVAGALFN INFYAGALLL ACISFDRYLN IVHATQLYRR GPPARVTLTC LAVWGLCLLF AL PDFIFLS AHHDERLNAT HCQYNFPQVG RTALRVLQLV AGFLLPLLVM AYCYAHILAV LLVSRGQRRL RAMRLVVVVV VAF ALCWTP YHLVVLVDIL MDLGALARNC GRESRVDVAK SVTSGLGYMH CCLNPLLYAF VGVKFRERMW MLLLRLGCPN QRGL QRQPS SSRRDSSWSE TSEASYSGL UniProtKB: C-X-C chemokine receptor type 3 |
-実験情報
-構造解析
手法 | クライオ電子顕微鏡法 |
---|---|
![]() | 単粒子再構成法 |
試料の集合状態 | particle |
-
試料調製
緩衝液 | pH: 7.4 |
---|---|
凍結 | 凍結剤: ETHANE |
-
電子顕微鏡法
顕微鏡 | FEI TITAN KRIOS |
---|---|
撮影 | フィルム・検出器のモデル: GATAN K3 (6k x 4k) / 平均電子線量: 50.1 e/Å2 |
電子線 | 加速電圧: 300 kV / 電子線源: ![]() |
電子光学系 | 照射モード: FLOOD BEAM / 撮影モード: BRIGHT FIELD / Cs: 2.7 mm / 最大 デフォーカス(公称値): 1.6 µm / 最小 デフォーカス(公称値): 0.8 µm |
試料ステージ | 試料ホルダーモデル: FEI TITAN KRIOS AUTOGRID HOLDER ホルダー冷却材: NITROGEN |
実験機器 | ![]() モデル: Titan Krios / 画像提供: FEI Company |