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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 | Dimer of HIF-2a-ARNT Heterodimers Complexed on 51-bp HRE/HAS | ||||||||||||
マップデータ | |||||||||||||
試料 |
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キーワード | Complex / Hypoxia / Transcription / Cancer / Dimer / Higher-ordered / DNA BINDING PROTEIN | ||||||||||||
| 機能・相同性 | 機能・相同性情報myoblast fate commitment / nuclear aryl hydrocarbon receptor complex / positive regulation of hormone biosynthetic process / Aryl hydrocarbon receptor signalling / aryl hydrocarbon receptor complex / Cellular response to hypoxia / Transcriptional regulation of pluripotent stem cells / regulation of protein neddylation / PTK6 Expression / positive regulation of protein sumoylation ...myoblast fate commitment / nuclear aryl hydrocarbon receptor complex / positive regulation of hormone biosynthetic process / Aryl hydrocarbon receptor signalling / aryl hydrocarbon receptor complex / Cellular response to hypoxia / Transcriptional regulation of pluripotent stem cells / regulation of protein neddylation / PTK6 Expression / positive regulation of protein sumoylation / norepinephrine metabolic process / Xenobiotics / surfactant homeostasis / Phase I - Functionalization of compounds / epithelial cell maturation / positive regulation of vascular endothelial growth factor receptor signaling pathway / Regulation of gene expression by Hypoxia-inducible Factor / aryl hydrocarbon receptor binding / positive regulation of vascular endothelial growth factor production / blood vessel remodeling / Endogenous sterols / embryonic placenta development / cis-regulatory region sequence-specific DNA binding / NPAS4 regulates expression of target genes / positive regulation of endothelial cell proliferation / visual perception / regulation of heart rate / Pexophagy / lung development / positive regulation of erythrocyte differentiation / positive regulation of glycolytic process / erythrocyte differentiation / RNA polymerase II transcription regulatory region sequence-specific DNA binding / mitochondrion organization / mRNA transcription by RNA polymerase II / PPARA activates gene expression / Oxygen-dependent proline hydroxylation of Hypoxia-inducible Factor Alpha / multicellular organismal-level iron ion homeostasis / negative regulation of inflammatory response / RNA polymerase II transcription regulator complex / transcription coactivator binding / nuclear receptor activity / sequence-specific double-stranded DNA binding / positive regulation of cold-induced thermogenesis / Neddylation / cellular response to oxidative stress / response to oxidative stress / DNA-binding transcription activator activity, RNA polymerase II-specific / angiogenesis / transcription regulator complex / cellular response to hypoxia / sequence-specific DNA binding / RNA polymerase II-specific DNA-binding transcription factor binding / DNA-binding transcription factor activity, RNA polymerase II-specific / cell differentiation / response to hypoxia / nuclear speck / nuclear body / RNA polymerase II cis-regulatory region sequence-specific DNA binding / DNA-binding transcription factor activity / protein heterodimerization activity / regulation of transcription by RNA polymerase II / chromatin / signal transduction / protein homodimerization activity / positive regulation of transcription by RNA polymerase II / nucleoplasm / nucleus / cytoplasm / cytosol 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: 3.7 Å | ||||||||||||
データ登録者 | Closson JD / Xu X / Gardner KH | ||||||||||||
| 資金援助 | 米国, 3件
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引用 | ジャーナル: bioRxiv / 年: 2025タイトル: CONTEXT-DEPENDENT VARIABILITY OF HIF HETERODIMERS INFLUENCES INTERACTIONS WITH MACROMOLECULAR AND SMALL MOLECULE PARTNERS. 著者: Joseph D Closson / Xingjian Xu / Meiling Zhang / Tarsisius T Tiyani / Leandro Pimentel Marcelino / Eta A Isiorho / Jason S Nagati / Joseph A Garcia / Kevin H Gardner / ![]() 要旨: Hypoxia inducible factors (HIFs) are transcription factors that coordinate cellular responses to low oxygen levels, functioning as an α/β heterodimer which binds a short hypoxia response element ...Hypoxia inducible factors (HIFs) are transcription factors that coordinate cellular responses to low oxygen levels, functioning as an α/β heterodimer which binds a short hypoxia response element (HRE) DNA sequence. Prior studies suggest HIF/HRE complexes are augmented by the binding of additional factors nearby, but those interactions are not well understood. Here, we integrated structural and biochemical approaches to investigate several functionally relevant HIF assemblies with other protein, small molecule, and DNA partners. First, we used cryo-electron microscopy (cryo-EM) to establish HIF-1 and HIF-2 form novel "dimer-of-heterodimers" (DoHD) complexes on extended human EPO enhancer sequences, showing that one heterodimer bound at a canonical HRE site with the second binding in an inverted fashion to an HRE-adjacent sequence (HAS) 8 bp away. Consistent with ARNT PAS-B domains predominating interactions within a DoHD, we found HIF-1 and HIF-2 assemble mixed DoHD complexes on the same DNA. Second, we saw substantial variability among ligands for isolated ARNT or HIF-2α PAS-B domains to bind larger complexes: for example, the ARNT PAS-B binding KG-548 and KG-279 ligands both bound the simpler HIF-2 heterodimer but exhibited differential binding to a HIF-2 DoHD. Finally, we combined cryo-EM and hydrogen-deuterium exchange by mass spectrometry (HDX-MS) to show how HIF-1 and HIF-2 heterodimers engage the transforming acidic coiled-coil containing protein 3 (TACC3) coactivator via both ARNT and HIF-α subunits, though this was unseen in the larger DoHD. Our findings highlight the importance of both molecular context and dynamics in biomolecular complex formation, adding to the complexities of potential regulation. | ||||||||||||
| 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_70418.map.gz | 230.1 MB | EMDBマップデータ形式 | |
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| ヘッダ (付随情報) | emd-70418-v30.xml emd-70418.xml | 21.8 KB 21.8 KB | 表示 表示 | EMDBヘッダ |
| FSC (解像度算出) | emd_70418_fsc.xml | 13.3 KB | 表示 | FSCデータファイル |
| 画像 | emd_70418.png | 68.3 KB | ||
| Filedesc metadata | emd-70418.cif.gz | 7.1 KB | ||
| その他 | emd_70418_half_map_1.map.gz emd_70418_half_map_2.map.gz | 226.8 MB 226.8 MB | ||
| アーカイブディレクトリ | http://ftp.pdbj.org/pub/emdb/structures/EMD-70418 ftp://ftp.pdbj.org/pub/emdb/structures/EMD-70418 | HTTPS FTP |
-検証レポート
| 文書・要旨 | emd_70418_validation.pdf.gz | 872.1 KB | 表示 | EMDB検証レポート |
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| 文書・詳細版 | emd_70418_full_validation.pdf.gz | 871.7 KB | 表示 | |
| XML形式データ | emd_70418_validation.xml.gz | 21.8 KB | 表示 | |
| CIF形式データ | emd_70418_validation.cif.gz | 28 KB | 表示 | |
| アーカイブディレクトリ | https://ftp.pdbj.org/pub/emdb/validation_reports/EMD-70418 ftp://ftp.pdbj.org/pub/emdb/validation_reports/EMD-70418 | 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_70418.map.gz / 形式: CCP4 / 大きさ: 244.1 MB / タイプ: IMAGE STORED AS FLOATING POINT NUMBER (4 BYTES) | ||||||||||||||||||||||||||||||||||||
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| 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: 0.844 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: #2
| ファイル | emd_70418_half_map_1.map | ||||||||||||
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| 投影像・断面図 |
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| 密度ヒストグラム |
-ハーフマップ: #1
| ファイル | emd_70418_half_map_2.map | ||||||||||||
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| 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 : Dimer of two HIF-2a-ARNT heterodimers complexed on 51-bp HRE
| 全体 | 名称: Dimer of two HIF-2a-ARNT heterodimers complexed on 51-bp HRE |
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| 要素 |
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-超分子 #1: Dimer of two HIF-2a-ARNT heterodimers complexed on 51-bp HRE
| 超分子 | 名称: Dimer of two HIF-2a-ARNT heterodimers complexed on 51-bp HRE 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) |
| 分子量 | 理論値: 202 KDa |
-分子 #1: 51-nt Hypoxia Response Element (Forward)
| 分子 | 名称: 51-nt Hypoxia Response Element (Forward) / タイプ: dna / ID: 1 / コピー数: 1 / 分類: DNA |
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| 由来(天然) | 生物種: Homo sapiens (ヒト) |
| 分子量 | 理論値: 15.82208 KDa |
| 配列 | 文字列: (DA)(DG)(DG)(DG)(DG)(DT)(DG)(DG)(DA)(DG) (DG)(DG)(DG)(DG)(DC)(DT)(DG)(DG)(DG)(DC) (DC)(DC)(DT)(DA)(DC)(DG)(DT)(DG)(DC) (DT)(DG)(DT)(DC)(DT)(DC)(DA)(DC)(DA)(DC) (DA) (DG)(DC)(DC)(DT)(DG) ...文字列: (DA)(DG)(DG)(DG)(DG)(DT)(DG)(DG)(DA)(DG) (DG)(DG)(DG)(DG)(DC)(DT)(DG)(DG)(DG)(DC) (DC)(DC)(DT)(DA)(DC)(DG)(DT)(DG)(DC) (DT)(DG)(DT)(DC)(DT)(DC)(DA)(DC)(DA)(DC) (DA) (DG)(DC)(DC)(DT)(DG)(DT)(DC)(DT) (DG)(DA)(DC) GENBANK: GENBANK: M11319.1 |
-分子 #2: 51-nt Hypoxia Response Element (Reverse)
| 分子 | 名称: 51-nt Hypoxia Response Element (Reverse) / タイプ: dna / ID: 2 / コピー数: 1 / 分類: DNA |
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| 由来(天然) | 生物種: Homo sapiens (ヒト) |
| 分子量 | 理論値: 15.608979 KDa |
| 配列 | 文字列: (DG)(DT)(DC)(DA)(DG)(DA)(DC)(DA)(DG)(DG) (DC)(DT)(DG)(DT)(DG)(DT)(DG)(DA)(DG)(DA) (DC)(DA)(DG)(DC)(DA)(DC)(DG)(DT)(DA) (DG)(DG)(DG)(DC)(DC)(DC)(DA)(DG)(DC)(DC) (DC) (DC)(DC)(DT)(DC)(DC) ...文字列: (DG)(DT)(DC)(DA)(DG)(DA)(DC)(DA)(DG)(DG) (DC)(DT)(DG)(DT)(DG)(DT)(DG)(DA)(DG)(DA) (DC)(DA)(DG)(DC)(DA)(DC)(DG)(DT)(DA) (DG)(DG)(DG)(DC)(DC)(DC)(DA)(DG)(DC)(DC) (DC) (DC)(DC)(DT)(DC)(DC)(DA)(DC)(DC) (DC)(DC)(DT) GENBANK: GENBANK: M11319.1 |
-分子 #3: Endothelial PAS domain-containing protein 1
| 分子 | 名称: Endothelial PAS domain-containing protein 1 / タイプ: protein_or_peptide / ID: 3 詳細: N-terminal 21 residues (MGSSHHHHHHSQDPGKEKKRS) are vector-derived コピー数: 2 / 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: 42.684453 KDa |
| 組換発現 | 生物種: ![]() |
| 配列 | 文字列: MGSSHHHHHH SQDPGKEKKR SSSERRKEKS RDAARCRRSK ETEVFYELAH ELPLPHSVSS HLDKASIMRL AISFLRTHKL LSSVCSENE SEAEADQQMD NLYLKALEGF IAVVTQDGDM IFLSENISKF MGLTQVELTG HSIFDFTHPC DHEEIRENLS L KNGSGFGK ...文字列: MGSSHHHHHH SQDPGKEKKR SSSERRKEKS RDAARCRRSK ETEVFYELAH ELPLPHSVSS HLDKASIMRL AISFLRTHKL LSSVCSENE SEAEADQQMD NLYLKALEGF IAVVTQDGDM IFLSENISKF MGLTQVELTG HSIFDFTHPC DHEEIRENLS L KNGSGFGK KSKDMSTERD FFMRMKCTVT NRGRTVNLKS ATWKVLHCTG QVKVYNNCPP HNSLCGYKEP LLSCLIIMCE PI QHPSHMD IPLDSKTFLS RHSMDMKFTY CDDRITELIG YHPEELLGRS AYEFYHALDS ENMTKSHQNL CTKGQVVSGQ YRM LAKHGG YVWLETQGTV IYNPRNLQPQ CIMCVNYVLS EIEKNDVVFS MDQTES UniProtKB: Endothelial PAS domain-containing protein 1 |
-分子 #4: Aryl hydrocarbon receptor nuclear translocator
| 分子 | 名称: Aryl hydrocarbon receptor nuclear translocator / タイプ: protein_or_peptide / ID: 4 / コピー数: 2 / 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: 43.06182 KDa |
| 組換発現 | 生物種: ![]() |
| 配列 | 文字列: MRENHSEIER RRRNKMTAYI TELSDMVPTC SALARKPDKL TILRMAVSHM KSLRGTGNTS TDGSYKPSFL TDQELKHLIL EAADGFLFI VSCETGRVVY VSDSVTPVLN QPQSEWFGST LYDQVHPDDV DKLREQLSTS ENALTGRILD LKTGTVKKEG Q QSSMRMCM ...文字列: MRENHSEIER RRRNKMTAYI TELSDMVPTC SALARKPDKL TILRMAVSHM KSLRGTGNTS TDGSYKPSFL TDQELKHLIL EAADGFLFI VSCETGRVVY VSDSVTPVLN QPQSEWFGST LYDQVHPDDV DKLREQLSTS ENALTGRILD LKTGTVKKEG Q QSSMRMCM GSRRSFICRM RCGSSSVDPV SVNRLSFVRN RCRNGLGSVK DGEPHFVVVH CTGYIKAWPP AGVSLPDDDP EA GQGSKFC LVAIGRLQVT SSPNCTDMSN VCQPTEFISR HNIEGIFTFV DHRCVATVGY QPQELLGKNI VEFCHPEDQQ LLR DSFQQV VKLKGQVLSV MFRFRSKNQE WLWMRTSSFT FQNPYSDEIE YIICTNTNVK NSSQE UniProtKB: Aryl hydrocarbon receptor nuclear translocator |
-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 | 4.2 mg/mL | ||||||||||||
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| 緩衝液 | pH: 7.4 構成要素:
詳細: 50mM HEPES, 150mM NaCl, 5mM MgCl2 | ||||||||||||
| 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: CONTINUOUS / 支持フィルム - Film thickness: 2 / 前処理 - タイプ: PLASMA CLEANING / 前処理 - 時間: 30 sec. / 前処理 - 雰囲気: OTHER | ||||||||||||
| 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 II |
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電子顕微鏡法
| 顕微鏡 | TFS KRIOS |
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| 撮影 | フィルム・検出器のモデル: GATAN K3 (6k x 4k) / 撮影したグリッド数: 3 / 実像数: 10910 / 平均電子線量: 58.94 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 / Cs: 2.7 mm / 最大 デフォーカス(公称値): 4.0 µm / 最小 デフォーカス(公称値): 0.3 µm |
| 実験機器 | ![]() モデル: Titan Krios / 画像提供: FEI Company |
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コントローラー
万見について




キーワード
Homo sapiens (ヒト)
データ登録者
米国, 3件
引用

















Z (Sec.)
Y (Row.)
X (Col.)





































解析
FIELD EMISSION GUN

