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データを開く
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基本情報
| 登録情報 | ![]() | |||||||||
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| タイトル | Cryo-EM structure of the galanin-bound GALR1-miniGo complex | |||||||||
マップデータ | cryoEM map of the GALR1/Go/galanin complex | |||||||||
試料 |
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キーワード | GPCR / Galanin receptor 1 / miniGo / SIGNALING PROTEIN | |||||||||
| 機能・相同性 | 機能・相同性情報galanin receptor binding / type 1 galanin receptor binding / type 2 galanin receptor binding / type 3 galanin receptor binding / parental behavior / positive regulation of timing of catagen / positive regulation of cortisol secretion / regulation of glucocorticoid metabolic process / galanin receptor activity / negative regulation of lymphocyte proliferation ...galanin receptor binding / type 1 galanin receptor binding / type 2 galanin receptor binding / type 3 galanin receptor binding / parental behavior / positive regulation of timing of catagen / positive regulation of cortisol secretion / regulation of glucocorticoid metabolic process / galanin receptor activity / negative regulation of lymphocyte proliferation / response to peptide / : / drinking behavior / negative regulation of adenylate cyclase activity / neuropeptide hormone activity / mu-type opioid receptor binding / vesicle docking involved in exocytosis / corticotropin-releasing hormone receptor 1 binding / behavioral response to ethanol / neuropeptide binding / G protein-coupled dopamine receptor signaling pathway / insulin secretion / regulation of heart contraction / response to immobilization stress / parallel fiber to Purkinje cell synapse / peptide hormone binding / postsynaptic modulation of chemical synaptic transmission / adenylate cyclase-inhibiting serotonin receptor signaling pathway / G protein-coupled serotonin receptor binding / secretory granule / muscle contraction / Peptide ligand-binding receptors / neuropeptide signaling pathway / locomotory behavior / response to insulin / negative regulation of insulin secretion / response to estrogen / GABA-ergic synapse / adenylate cyclase-modulating G protein-coupled receptor signaling pathway / G-protein beta/gamma-subunit complex binding / adenylate cyclase-inhibiting G protein-coupled receptor signaling pathway / Olfactory Signaling Pathway / Activation of the phototransduction cascade / G protein-coupled acetylcholine receptor signaling pathway / G beta:gamma signalling through PLC beta / Presynaptic function of Kainate receptors / Thromboxane signalling through TP receptor / Activation of G protein gated Potassium channels / Inhibition of voltage gated Ca2+ channels via Gbeta/gamma subunits / G-protein activation / Glucagon signaling in metabolic regulation / G beta:gamma signalling through CDC42 / Prostacyclin signalling through prostacyclin receptor / G beta:gamma signalling through BTK / Synthesis, secretion, and inactivation of Glucagon-like Peptide-1 (GLP-1) / photoreceptor disc membrane / ADP signalling through P2Y purinoceptor 12 / Sensory perception of sweet, bitter, and umami (glutamate) taste / Glucagon-type ligand receptors / Adrenaline,noradrenaline inhibits insulin secretion / Vasopressin regulates renal water homeostasis via Aquaporins / Glucagon-like Peptide-1 (GLP1) regulates insulin secretion / G alpha (z) signalling events / cellular response to catecholamine stimulus / ADP signalling through P2Y purinoceptor 1 / ADORA2B mediated anti-inflammatory cytokines production / G beta:gamma signalling through PI3Kgamma / nervous system development / adenylate cyclase-activating dopamine receptor signaling pathway / Cooperation of PDCL (PhLP1) and TRiC/CCT in G-protein beta folding / GPER1 signaling / cellular response to prostaglandin E stimulus / heterotrimeric G-protein complex / G alpha (12/13) signalling events / Inactivation, recovery and regulation of the phototransduction cascade / G-protein beta-subunit binding / extracellular vesicle / sensory perception of taste / adenylate cyclase-activating G protein-coupled receptor signaling pathway / Thrombin signalling through proteinase activated receptors (PARs) / signaling receptor complex adaptor activity / positive regulation of cytosolic calcium ion concentration / retina development in camera-type eye / GTPase binding / cell body / G protein activity / presynaptic membrane / fibroblast proliferation / Ca2+ pathway / High laminar flow shear stress activates signaling by PIEZO1 and PECAM1:CDH5:KDR in endothelial cells / G alpha (i) signalling events / G alpha (s) signalling events / phospholipase C-activating G protein-coupled receptor signaling pathway / G alpha (q) signalling events / 加水分解酵素; 酸無水物に作用; GTPに作用・細胞または細胞小器官の運動に関与 / Ras protein signal transduction / postsynaptic membrane / cell population proliferation / Extra-nuclear estrogen signaling / positive regulation of apoptotic process 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: 3.3 Å | |||||||||
データ登録者 | Jiang W / Zheng S | |||||||||
| 資金援助 | 中国, 1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: Structural insights into galanin receptor signaling. 著者: Wentong Jiang / Sanduo Zheng / ![]() 要旨: Galanin is a biologically active neuropeptide, and functions through three distinct G protein–coupled receptors (GPCRs), namely GALR1, GALR2, and GALR3. GALR signaling plays important roles in ...Galanin is a biologically active neuropeptide, and functions through three distinct G protein–coupled receptors (GPCRs), namely GALR1, GALR2, and GALR3. GALR signaling plays important roles in regulating various physiological processes such as energy metabolism, neuropathic pain, epileptic activity, and sleep homeostasis. GALR1 and GALR3 signal through the Gi/o pathway, whereas GALR2 signals mainly through the Gq/11 pathway. However, the molecular basis for galanin recognition and G protein selectivity of GALRs remains poorly understood. Here, we report the cryoelectron microscopy structures of the GALR1-Go and the GALR2-Gq complexes bound to the endogenous ligand galanin or spexin. The galanin peptide mainly adopts an alpha helical structure, which binds at the extracellular vestibule of the receptors, nearly parallel to the membrane plane without penetrating deeply into the receptor core. Structural analysis combined with functional studies reveals important structural determinants for the G protein selectivity of GALRs as well as other class A GPCRs. In addition, we show that the zinc ion is a negative allosteric regulator of GALR1 but not GALR2. Our studies provide insight into the mechanisms of G protein selectivity of GPCRs and highlight a potential function of the neuromodulator zinc ion as a modulator of GPCR signaling in the central nervous system. | |||||||||
| 履歴 |
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構造の表示
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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_33229.map.gz | 20.9 MB | EMDBマップデータ形式 | |
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| ヘッダ (付随情報) | emd-33229-v30.xml emd-33229.xml | 24.3 KB 24.3 KB | 表示 表示 | EMDBヘッダ |
| 画像 | emd_33229.png | 29.3 KB | ||
| Filedesc metadata | emd-33229.cif.gz | 7.4 KB | ||
| その他 | emd_33229_half_map_1.map.gz emd_33229_half_map_2.map.gz | 20.6 MB 20.6 MB | ||
| アーカイブディレクトリ | http://ftp.pdbj.org/pub/emdb/structures/EMD-33229 ftp://ftp.pdbj.org/pub/emdb/structures/EMD-33229 | HTTPS FTP |
-関連構造データ
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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 |
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マップ
| ファイル | ダウンロード / ファイル: emd_33229.map.gz / 形式: CCP4 / 大きさ: 22.2 MB / タイプ: IMAGE STORED AS FLOATING POINT NUMBER (4 BYTES) | ||||||||||||||||||||||||||||||||||||
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| 注釈 | cryoEM map of the GALR1/Go/galanin complex | ||||||||||||||||||||||||||||||||||||
| 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: 1.087 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: half map of the GALR1/Go/galanin complex
| ファイル | emd_33229_half_map_1.map | ||||||||||||
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| 注釈 | half map of the GALR1/Go/galanin complex | ||||||||||||
| 投影像・断面図 |
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| 密度ヒストグラム |
-ハーフマップ: half map of the GALR1/Go/galanin complex
| ファイル | emd_33229_half_map_2.map | ||||||||||||
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| 注釈 | half map of the GALR1/Go/galanin complex | ||||||||||||
| 投影像・断面図 |
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| 密度ヒストグラム |
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試料の構成要素
-全体 : Galanin-bound Galanin receptor type 1 in complex with miniGalphao...
| 全体 | 名称: Galanin-bound Galanin receptor type 1 in complex with miniGalphao, Gbeta/gamma subunit and a single-chain variable fragment (scFv16) |
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| 要素 |
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-超分子 #1: Galanin-bound Galanin receptor type 1 in complex with miniGalphao...
| 超分子 | 名称: Galanin-bound Galanin receptor type 1 in complex with miniGalphao, Gbeta/gamma subunit and a single-chain variable fragment (scFv16) タイプ: complex / ID: 1 / 親要素: 0 / 含まれる分子: all |
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| 由来(天然) | 生物種: Homo sapiens (ヒト) |
-分子 #1: G protein subunit alpha o1,Guanine nucleotide-binding protein G(o...
| 分子 | 名称: G protein subunit alpha o1,Guanine nucleotide-binding protein G(o) subunit alpha タイプ: protein_or_peptide / ID: 1 / コピー数: 1 / 光学異性体: LEVO |
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| 由来(天然) | 生物種: Homo sapiens (ヒト) |
| 分子量 | 理論値: 25.447115 KDa |
| 組換発現 | 生物種: Homo sapiens (ヒト) |
| 配列 | 文字列: MGCTLSAEER AALERSKAIE KNLKEDGISA AKDVKLLLLG ADNSGKSTIV KQMKIIHGGS GGSGGTTGIV ETHFTFKNLH FRLFDVGGQ RSERKKWIHC FEDVTAIIFC VDLSDYNRMH ESLMLFDSIC NNKFFIDTSI ILFLNKKDLF GEKIKKSPLT I CFPEYTGP ...文字列: MGCTLSAEER AALERSKAIE KNLKEDGISA AKDVKLLLLG ADNSGKSTIV KQMKIIHGGS GGSGGTTGIV ETHFTFKNLH FRLFDVGGQ RSERKKWIHC FEDVTAIIFC VDLSDYNRMH ESLMLFDSIC NNKFFIDTSI ILFLNKKDLF GEKIKKSPLT I CFPEYTGP NTYEDAAAYI QAQFESKNRS PNKEIYCHMT CATDTNNAQV IFDAVTDIII ANNLRGCGLY UniProtKB: G protein subunit alpha o1, Guanine nucleotide-binding protein G(o) subunit alpha, Guanine nucleotide-binding protein G(o) subunit alpha |
-分子 #2: Guanine nucleotide-binding protein G(I)/G(S)/G(T) subunit beta-1
| 分子 | 名称: Guanine nucleotide-binding protein G(I)/G(S)/G(T) subunit beta-1 タイプ: protein_or_peptide / ID: 2 / コピー数: 1 / 光学異性体: LEVO |
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| 由来(天然) | 生物種: Homo sapiens (ヒト) |
| 分子量 | 理論値: 37.41693 KDa |
| 組換発現 | 生物種: ![]() |
| 配列 | 文字列: MSELDQLRQE AEQLKNQIRD ARKACADATL SQITNNIDPV GRIQMRTRRT LRGHLAKIYA MHWGTDSRLL VSASQDGKLI IWDSYTTNK VHAIPLRSSW VMTCAYAPSG NYVACGGLDN ICSIYNLKTR EGNVRVSREL AGHTGYLSCC RFLDDNQIVT S SGDTTCAL ...文字列: MSELDQLRQE AEQLKNQIRD ARKACADATL SQITNNIDPV GRIQMRTRRT LRGHLAKIYA MHWGTDSRLL VSASQDGKLI IWDSYTTNK VHAIPLRSSW VMTCAYAPSG NYVACGGLDN ICSIYNLKTR EGNVRVSREL AGHTGYLSCC RFLDDNQIVT S SGDTTCAL WDIETGQQTT TFTGHTGDVM SLSLAPDTRL FVSGACDASA KLWDVREGMC RQTFTGHESD INAICFFPNG NA FATGSDD ATCRLFDLRA DQELMTYSHD NIICGITSVS FSKSGRLLLA GYDDFNCNVW DALKADRAGV LAGHDNRVSC LGV TDDGMA VATGSWDSFL KIWN UniProtKB: Guanine nucleotide-binding protein G(I)/G(S)/G(T) subunit beta-1 |
-分子 #3: Galanin
| 分子 | 名称: Galanin / タイプ: protein_or_peptide / ID: 3 / コピー数: 1 / 光学異性体: LEVO |
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| 由来(天然) | 生物種: Homo sapiens (ヒト) |
| 分子量 | 理論値: 3.161446 KDa |
| 配列 | 文字列: GWTLNSAGYL LGPHAVGNHR SFSDKNGLTS UniProtKB: Galanin peptides |
-分子 #4: Galanin receptor type 1
| 分子 | 名称: Galanin receptor type 1 / タイプ: protein_or_peptide / ID: 4 / コピー数: 1 / 光学異性体: LEVO |
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| 由来(天然) | 生物種: Homo sapiens (ヒト) |
| 分子量 | 理論値: 38.38293 KDa |
| 組換発現 | 生物種: Homo sapiens (ヒト) |
| 配列 | 文字列: DYKDDDDKGS MELAVGNLSE GNASWPEPPA PEPGPLFGIG VENFVTLVVF GLIFALGVLG NSLVITVLAR SKPGKPRSTT NLFILNLSI ADLAYLLFCI PFQATVYALP TWVLGAFICK FIHYFFTVSM LVSIFTLAAM SVDRYVAIVH SRRSSSLRVS R NALLGVGC ...文字列: DYKDDDDKGS MELAVGNLSE GNASWPEPPA PEPGPLFGIG VENFVTLVVF GLIFALGVLG NSLVITVLAR SKPGKPRSTT NLFILNLSI ADLAYLLFCI PFQATVYALP TWVLGAFICK FIHYFFTVSM LVSIFTLAAM SVDRYVAIVH SRRSSSLRVS R NALLGVGC IWALSIAMAS PVAYHQGLFH PRASNQTFCW EQWPDPRHKK AYVVCTFVFG YLLPLLLICF CYAKVLNHLH KK LKNMSKK SEASKKKTAQ TVLVVVVVFG ISWLPHHIIH LWAEFGVFPL TPASFLFRIT AHCLAYSNSS VNPIIYAFLS ENF RKAYKQ VFKCHIGGGG GGAGALEVLF Q UniProtKB: Galanin receptor type 1 |
-分子 #5: Guanine nucleotide-binding protein G(I)/G(S)/G(O) subunit gamma-2
| 分子 | 名称: Guanine nucleotide-binding protein G(I)/G(S)/G(O) subunit gamma-2 タイプ: protein_or_peptide / ID: 5 / コピー数: 1 / 光学異性体: LEVO |
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| 由来(天然) | 生物種: Homo sapiens (ヒト) |
| 分子量 | 理論値: 7.845078 KDa |
| 組換発現 | 生物種: ![]() |
| 配列 | 文字列: MASNNTASIA QARKLVEQLK MEANIDRIKV SKAAADLMAY CEAHAKEDPL LTPVPASENP FREKKFFSAI L UniProtKB: Guanine nucleotide-binding protein G(I)/G(S)/G(O) subunit gamma-2 |
-分子 #6: single Fab chain (svFv16)
| 分子 | 名称: single Fab chain (svFv16) / タイプ: protein_or_peptide / ID: 6 / コピー数: 1 / 光学異性体: LEVO |
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| 由来(天然) | 生物種: Homo sapiens (ヒト) |
| 分子量 | 理論値: 31.857369 KDa |
| 組換発現 | 生物種: ![]() |
| 配列 | 文字列: PDVQLVESGG GLVQPGGSRK LSCSASGFAF SSFGMHWVRQ APEKGLEWVA YISSGSGTIY YADTVKGRFT ISRDDPKNTL FLQMTSLRS EDTAMYYCVR SIYYYGSSPF DFWGQGTTLT VSSGGGGSGG GGSGGGGSDI VMTQATSSVP VTPGESVSIS C RSSKSLLH ...文字列: PDVQLVESGG GLVQPGGSRK LSCSASGFAF SSFGMHWVRQ APEKGLEWVA YISSGSGTIY YADTVKGRFT ISRDDPKNTL FLQMTSLRS EDTAMYYCVR SIYYYGSSPF DFWGQGTTLT VSSGGGGSGG GGSGGGGSDI VMTQATSSVP VTPGESVSIS C RSSKSLLH SNGNTYLYWF LQRPGQSPQL LIYRMSNLAS GVPDRFSGSG SGTAFTLTIS RLEAEDVGVY YCMQHLEYPL TF GAGTKLE LKAAAGAPLE VLFQGPGAWS HPQFEKGAED QVDPRLIDGK GAAHHHHHHH H |
-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 |
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試料調製
| 濃度 | 5.1 mg/mL | ||||||||||
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| 緩衝液 | pH: 7.4 構成要素:
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| グリッド | モデル: Quantifoil R1.2/1.3 / 材質: GOLD / メッシュ: 300 / 支持フィルム - 材質: CARBON / 支持フィルム - トポロジー: HOLEY / 前処理 - タイプ: GLOW DISCHARGE / 前処理 - 時間: 40 sec. / 前処理 - 雰囲気: AIR / 前処理 - 気圧: 101.325 kPa | ||||||||||
| 凍結 | 凍結剤: ETHANE / チャンバー内湿度: 100 % / チャンバー内温度: 281.15 K |
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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 BIOQUANTUM (6k x 4k) 平均電子線量: 50.0 e/Å2 |
| 電子線 | 加速電圧: 300 kV / 電子線源: FIELD EMISSION GUN |
| 電子光学系 | 照射モード: FLOOD BEAM / 撮影モード: BRIGHT FIELD / 最大 デフォーカス(公称値): 2.2 µm / 最小 デフォーカス(公称値): 1.0 µm |
| 実験機器 | ![]() モデル: Titan Krios / 画像提供: FEI Company |
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画像解析
-原子モデル構築 1
| 精密化 | プロトコル: RIGID BODY FIT |
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| 得られたモデル | ![]() PDB-7xjj: |
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万見について




キーワード
Homo sapiens (ヒト)
データ登録者
中国, 1件
引用




























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FIELD EMISSION GUN
