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基本情報
登録情報 | データベース: EMDB / ID: EMD-0140 | |||||||||
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タイトル | Single Particle Cryo-EM map of human Transferrin receptor 1 - H-Ferritin complex. | |||||||||
![]() | Map at 3.9 A of the human CD71 receptor and human H-Ferritin | |||||||||
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![]() | Transferrin Receptor 1 / Ferritin / Complex / Single Particle Cryo-EM / METAL BINDING PROTEIN | |||||||||
機能・相同性 | ![]() transferrin receptor activity / postsynaptic recycling endosome membrane / negative regulation of mitochondrial fusion / transferrin transport / Transferrin endocytosis and recycling / positive regulation of isotype switching / response to manganese ion / response to copper ion / Differentiation of Keratinocytes in Interfollicular Epidermis in Mammalian Skin / response to iron ion ...transferrin receptor activity / postsynaptic recycling endosome membrane / negative regulation of mitochondrial fusion / transferrin transport / Transferrin endocytosis and recycling / positive regulation of isotype switching / response to manganese ion / response to copper ion / Differentiation of Keratinocytes in Interfollicular Epidermis in Mammalian Skin / response to iron ion / iron ion sequestering activity / RND1 GTPase cycle / ferritin complex / RND2 GTPase cycle / Scavenging by Class A Receptors / negative regulation of ferroptosis / RHOB GTPase cycle / Golgi Associated Vesicle Biogenesis / ferroxidase / RHOC GTPase cycle / RHOJ GTPase cycle / RHOQ GTPase cycle / autolysosome / ferroxidase activity / CDC42 GTPase cycle / RHOH GTPase cycle / RHOG GTPase cycle / RHOA GTPase cycle / RAC2 GTPase cycle / RAC3 GTPase cycle / regulation of postsynaptic membrane neurotransmitter receptor levels / response to retinoic acid / transport across blood-brain barrier / negative regulation of fibroblast proliferation / clathrin-coated pit / positive regulation of B cell proliferation / positive regulation of T cell proliferation / RAC1 GTPase cycle / response to nutrient / Hsp70 protein binding / ferric iron binding / autophagosome / osteoclast differentiation / cellular response to leukemia inhibitory factor / acute-phase response / positive regulation of protein-containing complex assembly / clathrin-coated endocytic vesicle membrane / Iron uptake and transport / ferrous iron binding / HFE-transferrin receptor complex / recycling endosome / receptor internalization / multicellular organismal-level iron ion homeostasis / positive regulation of protein localization to nucleus / recycling endosome membrane / cellular response to xenobiotic stimulus / tertiary granule lumen / melanosome / Cargo recognition for clathrin-mediated endocytosis / extracellular vesicle / double-stranded RNA binding / Clathrin-mediated endocytosis / iron ion transport / virus receptor activity / cytoplasmic vesicle / basolateral plasma membrane / blood microparticle / ficolin-1-rich granule lumen / intracellular iron ion homeostasis / response to hypoxia / early endosome / positive regulation of canonical NF-kappaB signal transduction / endosome / endosome membrane / intracellular signal transduction / immune response / iron ion binding / external side of plasma membrane / negative regulation of cell population proliferation / intracellular membrane-bounded organelle / Neutrophil degranulation / positive regulation of gene expression / negative regulation of apoptotic process / protein-containing complex binding / protein kinase binding / perinuclear region of cytoplasm / glutamatergic synapse / cell surface / protein homodimerization activity / extracellular space / RNA binding / extracellular exosome / extracellular region / identical protein binding / nucleus / membrane / plasma membrane / cytosol / 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: 3.9 Å | |||||||||
![]() | Testi C / Montemiglio LC | |||||||||
![]() | ![]() タイトル: Cryo-EM structure of the human ferritin-transferrin receptor 1 complex. 著者: Linda Celeste Montemiglio / Claudia Testi / Pierpaolo Ceci / Elisabetta Falvo / Martina Pitea / Carmelinda Savino / Alessandro Arcovito / Giovanna Peruzzi / Paola Baiocco / Filippo Mancia / ...著者: Linda Celeste Montemiglio / Claudia Testi / Pierpaolo Ceci / Elisabetta Falvo / Martina Pitea / Carmelinda Savino / Alessandro Arcovito / Giovanna Peruzzi / Paola Baiocco / Filippo Mancia / Alberto Boffi / Amédée des Georges / Beatrice Vallone / ![]() ![]() 要旨: Human transferrin receptor 1 (CD71) guarantees iron supply by endocytosis upon binding of iron-loaded transferrin and ferritin. Arenaviruses and the malaria parasite exploit CD71 for cell invasion ...Human transferrin receptor 1 (CD71) guarantees iron supply by endocytosis upon binding of iron-loaded transferrin and ferritin. Arenaviruses and the malaria parasite exploit CD71 for cell invasion and epitopes on CD71 for interaction with transferrin and pathogenic hosts were identified. Here, we provide the molecular basis of the CD71 ectodomain-human ferritin interaction by determining the 3.9 Å resolution single-particle cryo-electron microscopy structure of their complex and by validating our structural findings in a cellular context. The contact surfaces between the heavy-chain ferritin and CD71 largely overlap with arenaviruses and Plasmodium vivax binding regions in the apical part of the receptor ectodomain. Our data account for transferrin-independent binding of ferritin to CD71 and suggest that select pathogens may have adapted to enter cells by mimicking the ferritin access gate. | |||||||||
履歴 |
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構造の表示
ムービー |
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構造ビューア | EMマップ: ![]() ![]() ![]() |
添付画像 |
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マップデータ | ![]() | 59.4 MB | ![]() | |
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ヘッダ (付随情報) | ![]() ![]() | 13.7 KB 13.7 KB | 表示 表示 | ![]() |
画像 | ![]() | 88.1 KB | ||
Filedesc metadata | ![]() | 6 KB | ||
アーカイブディレクトリ | ![]() ![]() | HTTPS FTP |
-検証レポート
文書・要旨 | ![]() | 673.1 KB | 表示 | ![]() |
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文書・詳細版 | ![]() | 672.6 KB | 表示 | |
XML形式データ | ![]() | 6.4 KB | 表示 | |
CIF形式データ | ![]() | 7.4 KB | 表示 | |
アーカイブディレクトリ | ![]() ![]() | HTTPS FTP |
-関連構造データ
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リンク
EMDBのページ | ![]() ![]() |
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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 | ![]() | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
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注釈 | Map at 3.9 A of the human CD71 receptor and human H-Ferritin | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
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: 1.33 Å | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
密度 |
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対称性 | 空間群: 1 | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
詳細 | EMDB XML:
CCP4マップ ヘッダ情報:
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-添付データ
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試料の構成要素
-全体 : Complex of the ectodomain of human Transferrin Receptor 1 and H-c...
全体 | 名称: Complex of the ectodomain of human Transferrin Receptor 1 and H-chain Ferritin |
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要素 |
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-超分子 #1: Complex of the ectodomain of human Transferrin Receptor 1 and H-c...
超分子 | 名称: Complex of the ectodomain of human Transferrin Receptor 1 and H-chain Ferritin タイプ: complex / ID: 1 / 親要素: 0 / 含まれる分子: all |
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-超分子 #2: C H-chain Ferritin
超分子 | 名称: C H-chain Ferritin / タイプ: complex / ID: 2 / 親要素: 1 / 含まれる分子: #1 |
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由来(天然) | 生物種: ![]() |
-超分子 #3: Ectodomain of human Transferrin Receptor 1
超分子 | 名称: Ectodomain of human Transferrin Receptor 1 / タイプ: complex / ID: 3 / 親要素: 1 / 含まれる分子: #2 |
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由来(天然) | 生物種: ![]() |
-分子 #1: Ferritin heavy chain
分子 | 名称: Ferritin heavy chain / タイプ: protein_or_peptide / ID: 1 / コピー数: 24 / 光学異性体: LEVO / EC番号: ferroxidase |
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由来(天然) | 生物種: ![]() |
分子量 | 理論値: 20.116547 KDa |
組換発現 | 生物種: ![]() ![]() |
配列 | 文字列: TSQVRQNYHQ DSEAAINRQI NLELYASYVY LSMSYYFDRD DVALKNFAKY FLHQSHEERE HAEKLMKLQN QRGGRIFLQD IKKPDCDDW ESGLNAMECA LHLEKNVNQS LLELHKLATD KNDPHLCDFI ETHYLNEQVK AIKELGDHVT NLRKMGAPES G LAEYLFDK HTLG UniProtKB: Ferritin heavy chain |
-分子 #2: Transferrin receptor protein 1
分子 | 名称: Transferrin receptor protein 1 / タイプ: protein_or_peptide / ID: 2 / コピー数: 2 / 光学異性体: LEVO |
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由来(天然) | 生物種: ![]() |
分子量 | 理論値: 71.807258 KDa |
組換発現 | 生物種: ![]() |
配列 | 文字列: RLYWDDLKRK LSEKLDSTDF TSTIKLLNEN SYVPREAGSQ KDENLALYVE NQFREFKLSK VWRDQHFVKI QVKDSAQNSV IIVDKNGRL VYLVENPGGY VAYSKAATVT GKLVHANFGT KKDFEDLYTP VNGSIVIVRA GKITFAEKVA NAESLNAIGV L IYMDQTKF ...文字列: RLYWDDLKRK LSEKLDSTDF TSTIKLLNEN SYVPREAGSQ KDENLALYVE NQFREFKLSK VWRDQHFVKI QVKDSAQNSV IIVDKNGRL VYLVENPGGY VAYSKAATVT GKLVHANFGT KKDFEDLYTP VNGSIVIVRA GKITFAEKVA NAESLNAIGV L IYMDQTKF PIVNAELSFF GHAHLGTGDP YTPGFPSFNH TQFPPSRSSG LPNIPVQTIS RAAAEKLFGN MEGDCPSDWK TD STCRMVT SESKNVKLTV SNVLKEIKIL NIFGVIKGFV EPDHYVVVGA QRDAWGPGAA KSGVGTALLL KLAQMFSDMV LKD GFQPSR SIIFASWSAG DFGSVGATEW LEGYLSSLHL KAFTYINLDK AVLGTSNFKV SASPLLYTLI EKTMQNVKHP VTGQ FLYQD SNWASKVEKL TLDNAAFPFL AYSGIPAVSF CFCEDTDYPY LGTTMDTYKE LIERIPELNK VARAAAEVAG QFVIK LTHD VELNLDYERY NSQLLSFVRD LNQYRADIKE MGLSLQWLYS ARGDFFRATS RLTTDFGNAE KTDRFVMKKL NDRVMR VEY HFLSPYVSPK ESPFRHVFWG SGSHTLPALL ENLKLRKQNN GAFNETLFRN QLALATWTIQ GAANALSGDV WDIDNEF UniProtKB: Transferrin receptor protein 1 |
-実験情報
-構造解析
手法 | クライオ電子顕微鏡法 |
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![]() | 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 | 0.2 mg/mL |
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緩衝液 | pH: 7.2 |
凍結 | 凍結剤: ETHANE / チャンバー内湿度: 100 % / チャンバー内温度: 277 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 K2 SUMMIT (4k x 4k) 平均電子線量: 40.0 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: OTHER / 撮影モード: OTHER |
実験機器 | ![]() モデル: Titan Krios / 画像提供: FEI Company |