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データを開く
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基本情報
| 登録情報 | データベース: PDB / ID: 9d55 | ||||||
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| タイトル | Apo ACE full dimer 2 prepared by chameleon | ||||||
要素 | Angiotensin-converting enzyme | ||||||
キーワード | HYDROLASE / homodimer / zinc metalloprotease | ||||||
| 機能・相同性 | 機能・相同性情報mononuclear cell proliferation / cell proliferation in bone marrow / bradykinin receptor binding / exopeptidase activity / regulation of angiotensin metabolic process / substance P catabolic process / tripeptidyl-peptidase activity / peptidyl-dipeptidase A / regulation of renal output by angiotensin / negative regulation of gap junction assembly ...mononuclear cell proliferation / cell proliferation in bone marrow / bradykinin receptor binding / exopeptidase activity / regulation of angiotensin metabolic process / substance P catabolic process / tripeptidyl-peptidase activity / peptidyl-dipeptidase A / regulation of renal output by angiotensin / negative regulation of gap junction assembly / hormone catabolic process / bradykinin catabolic process / metallodipeptidase activity / regulation of smooth muscle cell migration / regulation of hematopoietic stem cell proliferation / neutrophil mediated immunity / hormone metabolic process / mitogen-activated protein kinase binding / mitogen-activated protein kinase kinase binding / chloride ion binding / arachidonate secretion / post-transcriptional regulation of gene expression / peptide catabolic process / heart contraction / positive regulation of systemic arterial blood pressure / regulation of heart rate by cardiac conduction / regulation of systemic arterial blood pressure by renin-angiotensin / antigen processing and presentation of peptide antigen via MHC class I / blood vessel remodeling / amyloid-beta metabolic process / hematopoietic stem cell differentiation / peptidyl-dipeptidase activity / regulation of vasoconstriction / Metabolism of Angiotensinogen to Angiotensins / angiotensin maturation / metallocarboxypeptidase activity / blood vessel diameter maintenance / angiotensin-activated signaling pathway / kidney development / regulation of synaptic plasticity / metalloendopeptidase activity / regulation of blood pressure / male gonad development / metallopeptidase activity / peptidase activity / actin binding / spermatogenesis / endopeptidase activity / calmodulin binding / lysosome / endosome / negative regulation of gene expression / external side of plasma membrane / proteolysis / extracellular space / extracellular exosome / extracellular region / zinc ion binding / 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: 3.15 Å | ||||||
データ登録者 | Mancl, J.M. / Tang, W.J. | ||||||
| 資金援助 | 米国, 1件
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引用 | ジャーナル: Elife / 年: 2025タイトル: Dimerization and dynamics of human angiotensin-I converting enzyme revealed by cryo-EM and MD simulations. 著者: Jordan M Mancl / Xiaoyang Wu / Minglei Zhao / Wei-Jen Tang / ![]() 要旨: Angiotensin-I converting enzyme (ACE) regulates the levels of disparate bioactive peptides, notably converting angiotensin-I to angiotensin-II and degrading amyloid beta. ACE is a heavily ...Angiotensin-I converting enzyme (ACE) regulates the levels of disparate bioactive peptides, notably converting angiotensin-I to angiotensin-II and degrading amyloid beta. ACE is a heavily glycosylated dimer, containing four analogous catalytic sites, and exists in membrane-bound and soluble (sACE) forms. ACE inhibition is a frontline, FDA-approved, therapy for cardiovascular diseases yet is associated with significant side effects, including higher rates of lung cancer. To date, structural studies have been confined to individual domains or partially denatured cryo-EM structures. Here, we report the cryo-EM structure of the glycosylated full human sACE dimer. We resolved four structural states at 2.99 - 3.65 Å resolution which are primarily differentiated by varying degrees of solvent accessibility to the active sites and reveal the full dimerization interface. We also employed all-atom molecular dynamics (MD) simulations and heterogeneity analysis in cryoSPARC, cryoDRGN, and RECOVAR to elucidate the conformational dynamics of sACE and identify key regions mediating conformational change. We identify differences in the mechanisms governing the conformational dynamics of individual domains that have implications for the design of domain-specific sACE modulators. #1: ジャーナル: Elife / 年: 2025タイトル: Dimerization and dynamics of angiotensin-I converting enzyme revealed by cryoEM and MD simulations 著者: Mancl, J.M. / Wu, X. / Zhao, M. / Tang, W.J. | ||||||
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構造の表示
| 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 | 9d55.cif.gz | 502.3 KB | 表示 | PDBx/mmCIF形式 |
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| PDB形式 | pdb9d55.ent.gz | 405.9 KB | 表示 | PDB形式 |
| PDBx/mmJSON形式 | 9d55.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
| 文書・要旨 | 9d55_validation.pdf.gz | 2.1 MB | 表示 | wwPDB検証レポート |
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| 文書・詳細版 | 9d55_full_validation.pdf.gz | 2.1 MB | 表示 | |
| XML形式データ | 9d55_validation.xml.gz | 46.3 KB | 表示 | |
| CIF形式データ | 9d55_validation.cif.gz | 63.9 KB | 表示 | |
| アーカイブディレクトリ | https://data.pdbj.org/pub/pdb/validation_reports/d5/9d55 ftp://data.pdbj.org/pub/pdb/validation_reports/d5/9d55 | HTTPS FTP |
-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: 142804.797 Da / 分子数: 2 / 由来タイプ: 組換発現 / 由来: (組換発現) Homo sapiens (ヒト) / 遺伝子: ACE, DCP, DCP1 / Cell (発現宿主): HEK293 / 発現宿主: Homo sapiens (ヒト) / 参照: UniProt: P12821, peptidyl-dipeptidase A#2: 多糖 | #3: 多糖 | beta-D-mannopyranose-(1-4)-2-acetamido-2-deoxy-beta-D-glucopyranose-(1-4)-[alpha-L-fucopyranose-(1- ...beta-D-mannopyranose-(1-4)-2-acetamido-2-deoxy-beta-D-glucopyranose-(1-4)-[alpha-L-fucopyranose-(1-6)]2-acetamido-2-deoxy-beta-D-glucopyranose | #4: 多糖 | 2-acetamido-2-deoxy-beta-D-glucopyranose-(1-4)-2-acetamido-2-deoxy-beta-D-glucopyranose #5: 糖 | ChemComp-NAG / 研究の焦点であるリガンドがあるか | N | Has protein modification | Y | |
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-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: Angiotensin I converting enzyme homodimer / タイプ: COMPLEX / Entity ID: #1 / 由来: RECOMBINANT |
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| 分子量 | 実験値: NO |
| 由来(天然) | 生物種: Homo sapiens (ヒト) |
| 由来(組換発現) | 生物種: Homo sapiens (ヒト) / 細胞: HEK293 |
| 緩衝液 | pH: 5.5 |
| 試料 | 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 / 詳細: Grids prepared at NCCAT using Chameleon |
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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 / 最大 デフォーカス(公称値): 4000 nm / 最小 デフォーカス(公称値): 500 nm |
| 撮影 | 電子線照射量: 52.82 e/Å2 / フィルム・検出器のモデル: GATAN K3 (6k x 4k) |
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解析
| EMソフトウェア | 名称: PHENIX / カテゴリ: モデル精密化 | ||||||||||||||||||||||||
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| CTF補正 | タイプ: PHASE FLIPPING AND AMPLITUDE CORRECTION | ||||||||||||||||||||||||
| 3次元再構成 | 解像度: 3.15 Å / 解像度の算出法: FSC 0.143 CUT-OFF / 粒子像の数: 36947 / 対称性のタイプ: POINT | ||||||||||||||||||||||||
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万見について




Homo sapiens (ヒト)
米国, 1件
引用






PDBj





FIELD EMISSION GUN