+データを開く
-基本情報
登録情報 | データベース: EMDB / ID: EMD-29993 | |||||||||
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タイトル | CryoEM structure of beta-2-adrenergic receptor in complex with GTP-bound Gs heterotrimer (transition intermediate #9 of 20) | |||||||||
マップデータ | Sharpened map | |||||||||
試料 |
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キーワード | GPCR / Adrenergic / Receptor / G protein / SIGNALING PROTEIN | |||||||||
機能・相同性 | 機能・相同性情報 beta2-adrenergic receptor activity / norepinephrine-epinephrine-mediated vasodilation involved in regulation of systemic arterial blood pressure / positive regulation of mini excitatory postsynaptic potential / positive regulation of cAMP-dependent protein kinase activity / positive regulation of AMPA receptor activity / norepinephrine binding / positive regulation of autophagosome maturation / heat generation / Adrenoceptors / activation of transmembrane receptor protein tyrosine kinase activity ...beta2-adrenergic receptor activity / norepinephrine-epinephrine-mediated vasodilation involved in regulation of systemic arterial blood pressure / positive regulation of mini excitatory postsynaptic potential / positive regulation of cAMP-dependent protein kinase activity / positive regulation of AMPA receptor activity / norepinephrine binding / positive regulation of autophagosome maturation / heat generation / Adrenoceptors / activation of transmembrane receptor protein tyrosine kinase activity / negative regulation of smooth muscle contraction / positive regulation of lipophagy / negative regulation of multicellular organism growth / negative regulation of G protein-coupled receptor signaling pathway / response to psychosocial stress / endosome to lysosome transport / adrenergic receptor signaling pathway / diet induced thermogenesis / positive regulation of protein kinase A signaling / neuronal dense core vesicle / PKA activation in glucagon signalling / adenylate cyclase binding / hair follicle placode formation / developmental growth / smooth muscle contraction / D1 dopamine receptor binding / intracellular transport / renal water homeostasis / bone resorption / Hedgehog 'off' state / potassium channel regulator activity / positive regulation of bone mineralization / brown fat cell differentiation / adenylate cyclase-activating adrenergic receptor signaling pathway / activation of adenylate cyclase activity / regulation of sodium ion transport / cellular response to glucagon stimulus / adenylate cyclase activator activity / response to cold / regulation of insulin secretion / receptor-mediated endocytosis / trans-Golgi network membrane / negative regulation of inflammatory response to antigenic stimulus / bone development / clathrin-coated endocytic vesicle membrane / positive regulation of protein serine/threonine kinase activity / G-protein beta/gamma-subunit complex binding / Olfactory Signaling Pathway / adenylate cyclase-modulating G protein-coupled receptor signaling pathway / Activation of the phototransduction cascade / adenylate cyclase-activating G protein-coupled receptor signaling pathway / G beta:gamma signalling through PLC beta / Presynaptic function of Kainate receptors / Thromboxane signalling through TP receptor / G protein-coupled acetylcholine receptor signaling pathway / G protein activity / G-protein activation / platelet aggregation / Activation of G protein gated Potassium channels / Inhibition of voltage gated Ca2+ channels via Gbeta/gamma subunits / Prostacyclin signalling through prostacyclin receptor / Glucagon signaling in metabolic regulation / G beta:gamma signalling through CDC42 / cognition / G beta:gamma signalling through BTK / ADP signalling through P2Y purinoceptor 12 / Sensory perception of sweet, bitter, and umami (glutamate) taste / Synthesis, secretion, and inactivation of Glucagon-like Peptide-1 (GLP-1) / photoreceptor disc membrane / Glucagon-type ligand receptors / Adrenaline,noradrenaline inhibits insulin secretion / Vasopressin regulates renal water homeostasis via Aquaporins / G alpha (z) signalling events / Glucagon-like Peptide-1 (GLP1) regulates insulin secretion / cellular response to catecholamine stimulus / ADORA2B mediated anti-inflammatory cytokines production / sensory perception of taste / ADP signalling through P2Y purinoceptor 1 / G beta:gamma signalling through PI3Kgamma / adenylate cyclase-activating dopamine receptor signaling pathway / cellular response to amyloid-beta / Cooperation of PDCL (PhLP1) and TRiC/CCT in G-protein beta folding / GPER1 signaling / cellular response to prostaglandin E stimulus / Inactivation, recovery and regulation of the phototransduction cascade / G-protein beta-subunit binding / heterotrimeric G-protein complex / sensory perception of smell / G alpha (12/13) signalling events / extracellular vesicle / Cargo recognition for clathrin-mediated endocytosis / signaling receptor complex adaptor activity / Thrombin signalling through proteinase activated receptors (PARs) / GTPase binding / positive regulation of cold-induced thermogenesis / Clathrin-mediated endocytosis / retina development in camera-type eye / amyloid-beta binding / Ca2+ pathway / phospholipase C-activating G protein-coupled receptor signaling pathway 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: 3.1 Å | |||||||||
データ登録者 | Papasergi-Scott MM / Skiniotis G | |||||||||
資金援助 | 米国, 2件
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引用 | ジャーナル: Nature / 年: 2024 タイトル: Time-resolved cryo-EM of G-protein activation by a GPCR. 著者: Makaía M Papasergi-Scott / Guillermo Pérez-Hernández / Hossein Batebi / Yang Gao / Gözde Eskici / Alpay B Seven / Ouliana Panova / Daniel Hilger / Marina Casiraghi / Feng He / Luis Maul / ...著者: Makaía M Papasergi-Scott / Guillermo Pérez-Hernández / Hossein Batebi / Yang Gao / Gözde Eskici / Alpay B Seven / Ouliana Panova / Daniel Hilger / Marina Casiraghi / Feng He / Luis Maul / Peter Gmeiner / Brian K Kobilka / Peter W Hildebrand / Georgios Skiniotis / 要旨: G-protein-coupled receptors (GPCRs) activate heterotrimeric G proteins by stimulating guanine nucleotide exchange in the Gα subunit. To visualize this mechanism, we developed a time-resolved cryo-EM ...G-protein-coupled receptors (GPCRs) activate heterotrimeric G proteins by stimulating guanine nucleotide exchange in the Gα subunit. To visualize this mechanism, we developed a time-resolved cryo-EM approach that examines the progression of ensembles of pre-steady-state intermediates of a GPCR-G-protein complex. By monitoring the transitions of the stimulatory G protein in complex with the β-adrenergic receptor at short sequential time points after GTP addition, we identified the conformational trajectory underlying G-protein activation and functional dissociation from the receptor. Twenty structures generated from sequential overlapping particle subsets along this trajectory, compared to control structures, provide a high-resolution description of the order of main events driving G-protein activation in response to GTP binding. Structural changes propagate from the nucleotide-binding pocket and extend through the GTPase domain, enacting alterations to Gα switch regions and the α5 helix that weaken the G-protein-receptor interface. Molecular dynamics simulations with late structures in the cryo-EM trajectory support that enhanced ordering of GTP on closure of the α-helical domain against the nucleotide-bound Ras-homology domain correlates with α5 helix destabilization and eventual dissociation of the G protein from the GPCR. These findings also highlight the potential of time-resolved cryo-EM as a tool for mechanistic dissection of GPCR signalling events. | |||||||||
履歴 |
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-構造の表示
添付画像 |
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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_29993.map.gz | 127.1 MB | EMDBマップデータ形式 | |
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ヘッダ (付随情報) | emd-29993-v30.xml emd-29993.xml | 25.6 KB 25.6 KB | 表示 表示 | EMDBヘッダ |
FSC (解像度算出) | emd_29993_fsc.xml | 10.8 KB | 表示 | FSCデータファイル |
画像 | emd_29993.png | 91.4 KB | ||
マスクデータ | emd_29993_msk_1.map | 134.6 MB | マスクマップ | |
Filedesc metadata | emd-29993.cif.gz | 7.7 KB | ||
その他 | emd_29993_additional_1.map.gz emd_29993_half_map_1.map.gz emd_29993_half_map_2.map.gz | 67.5 MB 124.8 MB 124.8 MB | ||
アーカイブディレクトリ | http://ftp.pdbj.org/pub/emdb/structures/EMD-29993 ftp://ftp.pdbj.org/pub/emdb/structures/EMD-29993 | HTTPS FTP |
-検証レポート
文書・要旨 | emd_29993_validation.pdf.gz | 1.1 MB | 表示 | EMDB検証レポート |
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文書・詳細版 | emd_29993_full_validation.pdf.gz | 1.1 MB | 表示 | |
XML形式データ | emd_29993_validation.xml.gz | 19.3 KB | 表示 | |
CIF形式データ | emd_29993_validation.cif.gz | 24.9 KB | 表示 | |
アーカイブディレクトリ | https://ftp.pdbj.org/pub/emdb/validation_reports/EMD-29993 ftp://ftp.pdbj.org/pub/emdb/validation_reports/EMD-29993 | HTTPS FTP |
-関連構造データ
関連構造データ | 8gg3MC 8gdzC 8ge1C 8ge2C 8ge3C 8ge4C 8ge5C 8ge6C 8ge7C 8ge8C 8ge9C 8geaC 8gebC 8gecC 8gedC 8geeC 8gefC 8gegC 8gehC 8geiC 8gejC 8gfvC 8gfwC 8gfxC 8gfyC 8gfzC 8gg0C 8gg1C 8gg2C 8gg4C 8gg5C 8gg6C 8gg7C 8gg8C 8gg9C 8ggaC 8ggbC 8ggcC 8ggeC 8ggfC 8ggiC 8ggjC 8ggkC 8gglC 8ggmC 8ggnC 8ggoC 8ggpC 8ggqC 8ggrC 8ggsC 8ggtC 8gguC 8ggvC 8ggwC 8ggxC 8ggyC 8ggzC 8gh0C 8gh1C 8unlC 8unmC 8unnC 8unoC 8unpC 8unqC 8unrC 8unsC 8untC 8unuC 8unvC 8unwC 8unxC 8unyC 8unzC 8uo0C 8uo1C 8uo2C 8uo3C 8uo4C M: このマップから作成された原子モデル C: 同じ文献を引用 (文献) |
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類似構造データ | 類似検索 - 機能・相同性F&H 検索 |
-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 |
-マップ
ファイル | ダウンロード / ファイル: emd_29993.map.gz / 形式: CCP4 / 大きさ: 134.6 MB / タイプ: IMAGE STORED AS FLOATING POINT NUMBER (4 BYTES) | ||||||||||||||||||||||||||||||||||||
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注釈 | Sharpened map | ||||||||||||||||||||||||||||||||||||
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: 0.8677 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
-マスク #1
ファイル | emd_29993_msk_1.map | ||||||||||||
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投影像・断面図 |
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密度ヒストグラム |
-追加マップ: Unsharpened map
ファイル | emd_29993_additional_1.map | ||||||||||||
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注釈 | Unsharpened map | ||||||||||||
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
ファイル | emd_29993_half_map_1.map | ||||||||||||
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注釈 | Half map | ||||||||||||
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
ファイル | emd_29993_half_map_2.map | ||||||||||||
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注釈 | Half map | ||||||||||||
投影像・断面図 |
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密度ヒストグラム |
-試料の構成要素
-全体 : Complex of beta-2 adrenergic receptor and Gs heterotrimer with GTP
全体 | 名称: Complex of beta-2 adrenergic receptor and Gs heterotrimer with GTP |
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要素 |
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-超分子 #1: Complex of beta-2 adrenergic receptor and Gs heterotrimer with GTP
超分子 | 名称: Complex of beta-2 adrenergic receptor and Gs heterotrimer with GTP タイプ: complex / ID: 1 / 親要素: 0 / 含まれる分子: #1-#4 詳細: Combined datasets of the protein complex from samples plunge frozen at 5 sec, 10 sec, or 17 sec after GTP addition to the sample. |
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由来(天然) | 生物種: Homo sapiens (ヒト) |
-分子 #1: Guanine nucleotide-binding protein G(s) subunit alpha isoforms short
分子 | 名称: Guanine nucleotide-binding protein G(s) subunit alpha isoforms short 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: 44.32616 KDa |
組換発現 | 生物種: Trichoplusia ni (イラクサキンウワバ) |
配列 | 文字列: MGCLGNSKTE DQRNEEKAQR EANKKIEKQL QKDKQVYRAT HRLLLLGAGE SGKSTIVKQM RILHVNGFNG DSEKATKVQD IKNNLKEAI ETIVAAMSNL VPPVELANPE NQFRVDYILS VMNVPDFDFP PEFYEHAKAL WEDEGVRACY ERSNEYQLID C AQYFLDKI ...文字列: MGCLGNSKTE DQRNEEKAQR EANKKIEKQL QKDKQVYRAT HRLLLLGAGE SGKSTIVKQM RILHVNGFNG DSEKATKVQD IKNNLKEAI ETIVAAMSNL VPPVELANPE NQFRVDYILS VMNVPDFDFP PEFYEHAKAL WEDEGVRACY ERSNEYQLID C AQYFLDKI DVIKQADYVP SDQDLLRCRV LTSGIFETKF QVDKVNFHMF DVGGQRDERR KWIQCFNDVT AIIFVVASSS YN MVIREDN QTNRLQEALN LFKSIWNNRW LRTISVILFL NKQDLLAEKV LAGKSKIEDY FPEFARYTTP EDATPEPGED PRV TRAKYF IRDEFLRIST ASGDGRHYCY PHFTCAVDTE NIRRVFNDCR DIIQRMHLRQ YELL UniProtKB: Guanine nucleotide-binding protein G(s) subunit alpha isoforms short |
-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: 37.573988 KDa |
組換発現 | 生物種: Trichoplusia ni (イラクサキンウワバ) |
配列 | 文字列: GSSGSELDQL RQEAEQLKNQ IRDARKACAD ATLSQITNNI DPVGRIQMRT RRTLRGHLAK IYAMHWGTDS RLLVSASQDG KLIIWDSYT TNKVHAIPLR SSWVMTCAYA PSGNYVACGG LDNICSIYNL KTREGNVRVS RELAGHTGYL SCCRFLDDNQ I VTSSGDTT ...文字列: GSSGSELDQL RQEAEQLKNQ IRDARKACAD ATLSQITNNI DPVGRIQMRT RRTLRGHLAK IYAMHWGTDS RLLVSASQDG KLIIWDSYT TNKVHAIPLR SSWVMTCAYA PSGNYVACGG LDNICSIYNL KTREGNVRVS RELAGHTGYL SCCRFLDDNQ I VTSSGDTT CALWDIETGQ QTTTFTGHTG DVMSLSLAPD TRLFVSGACD ASAKLWDVRE GMCRQTFTGH ESDINAICFF PN GNAFATG SDDATCRLFD LRADQELMTY SHDNIICGIT SVSFSKSGRL LLAGYDDFNC NVWDALKADR AGVLAGHDNR VSC LGVTDD GMAVATGSWD SFLKIWN UniProtKB: Guanine nucleotide-binding protein G(I)/G(S)/G(T) subunit beta-1 |
-分子 #3: 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: 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: 7.861143 KDa |
組換発現 | 生物種: Trichoplusia ni (イラクサキンウワバ) |
配列 | 文字列: MASNNTASIA QARKLVEQLK MEANIDRIKV SKAAADLMAY CEAHAKEDPL LTPVPASENP FREKKFFCAI L UniProtKB: Guanine nucleotide-binding protein G(I)/G(S)/G(O) subunit gamma-2 |
-分子 #4: Beta-2 adrenergic receptor
分子 | 名称: Beta-2 adrenergic receptor / 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: 51.767242 KDa |
組換発現 | 生物種: Spodoptera frugiperda (ツマジロクサヨトウ) |
配列 | 文字列: MKTIIALSYI FCLVFADYKD DDDAMGQPGN GSAFLLAPNR SHAPDHDVEN LYFQGTQQRD EVWVVGMGIV MSLIVLAIVF GNVLVITAI AKFERLQTVT NYFITSLACA DLVMGLAVVP FGAAHILTKT WTFGNFWCEF WTSIDVLCVT ASIETLCVIA V DRYFAITS ...文字列: MKTIIALSYI FCLVFADYKD DDDAMGQPGN GSAFLLAPNR SHAPDHDVEN LYFQGTQQRD EVWVVGMGIV MSLIVLAIVF GNVLVITAI AKFERLQTVT NYFITSLACA DLVMGLAVVP FGAAHILTKT WTFGNFWCEF WTSIDVLCVT ASIETLCVIA V DRYFAITS PFKYQSLLTK NKARVIILMV WIVSGLTSFL PIQMHWYRAT HQEAINCYAE ETCCDFFTNQ AYAIASSIVS FY VPLVIMV FVYSRVFQEA KRQLQKIDKS EGRFHVQNLS QVEQDGRTGH GLRRSSKFCL KEHKALKTLG IIMGTFTLCW LPF FIVNIV HVIQDNLIRK EVYILLNWIG YVNSGFNPLI YCRSPDFRIA FQELLCLRRS SLKAYGNGYS SNGNTGEQSG LEVL FQGPY HVEQEKENKL LAEDLPGTED FVGHQGTVPS DNIDSQGRNA STNDSLLETS QVAPA UniProtKB: Beta-2 adrenergic receptor |
-分子 #5: GUANOSINE-5'-TRIPHOSPHATE
分子 | 名称: GUANOSINE-5'-TRIPHOSPHATE / タイプ: ligand / ID: 5 / コピー数: 1 / 式: GTP |
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分子量 | 理論値: 523.18 Da |
Chemical component information | ChemComp-GTP: |
-分子 #6: (5R,6R)-6-(methylamino)-5,6,7,8-tetrahydronaphthalene-1,2,5-triol
分子 | 名称: (5R,6R)-6-(methylamino)-5,6,7,8-tetrahydronaphthalene-1,2,5-triol タイプ: ligand / ID: 6 / コピー数: 1 / 式: G1I |
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分子量 | 理論値: 209.242 Da |
Chemical component information | ChemComp-G1I: |
-分子 #7: water
分子 | 名称: water / タイプ: ligand / ID: 7 / コピー数: 6 / 式: HOH |
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分子量 | 理論値: 18.015 Da |
Chemical component information | ChemComp-HOH: |
-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 |
-試料調製
緩衝液 | pH: 7.5 詳細: GTP was added just prior to freezing at 5 sec, 10 sec, or 17 sec before plunging. |
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グリッド | モデル: UltrAuFoil R1.2/1.3 / 支持フィルム - 材質: GOLD / 支持フィルム - トポロジー: HOLEY |
凍結 | 凍結剤: ETHANE / チャンバー内湿度: 100 % / チャンバー内温度: 277.15 K / 装置: FEI VITROBOT MARK IV 詳細: GTP was added just prior to freezing at 5 sec, 10 sec, or 17 sec before plunging.. |
-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 (6k x 4k) / 検出モード: COUNTING / 平均電子線量: 50.0 e/Å2 詳細: The map is the result of combining multiple datasets: cryo-EM imaging of the beta-2AR-Gs + GTP (5 sec) complex was performed on a Titan Krios electron microscope equipped with a K3 Summit ...詳細: The map is the result of combining multiple datasets: cryo-EM imaging of the beta-2AR-Gs + GTP (5 sec) complex was performed on a Titan Krios electron microscope equipped with a K3 Summit direct electron detector (Gatan). The microscope was operated at 300 kV accelerating voltage, with a nominal magnification of 105,000x in counting mode resulting in a magnified pixel size of 0.8677 Angstrom. A total exposure of 60.48 electrons/ Angstrom^2 over 63 frames with defocus ranging from -1.0 - -2.0 micrometers was used. Cryo-EM imaging of beta-2AR-Gs + GTP (10 sec) complex was performed on four separate grids over three collection sessions. The microscope was operated at 300 kV accelerating voltage, with a magnification at the camera of 58,679x in counting mode resulting in a magnified pixel size of 0.8521 Angstrom. For the first and second grids, movies were obtained at an exposure rate of 21.13 electrons/Angstrum^2/sec with defocus ranging from -0.4 - -2.0 micrometers. The total exposure time was 2.717 sec over 77 frames per movie stack. For an additional collection of the first grid, movies were obtained at an exposure rate of 20.95 electrons/ Angstrum^2/sec with defocus ranging from -0.4 -2.0 micrometers. The total exposure time was 2.717 sec over 77 frames per movie stack. For the third and fourth grids, movies were obtained at an exposure rate of 30.71 electrons/ Angstrum^2/sec with defocus ranging from -0.5 - -1.6 micrometers. The total exposure time was 2.008 sec over 79 frames per movie stack. Cryo-EM imaging of beta-2AR-Gs + GTP (17 sec) was performed on a Titan Krios equipped with a post-column energy filter, with a magnification of 105,000x in counting mode resulting in a magnified pixel size of 0.8677 Angstrom. Movies were obtained at an exposure rate of 32.46 electrons/Angstrum^2/sec with defocus ranging from -0.4 - -0.9 micrometers. The total exposure time was 1.999 sec over 79 frames per movie stack. |
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): 2.0 µm / 最小 デフォーカス(公称値): 0.4 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 |